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Message-ID: <913828ac-9fc6-4261-883a-06ac87d86aa6@kernel.org>
Date: Mon, 28 Oct 2024 19:37:48 +0100
From: Jesper Dangaard Brouer <hawk@...nel.org>
To: syzbot <syzbot+d121e098da06af416d23@...kaller.appspotmail.com>,
akpm@...ux-foundation.org, davem@...emloft.net, edumazet@...gle.com,
ilias.apalodimas@...aro.org, kuba@...nel.org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org, netdev@...r.kernel.org, pabeni@...hat.com,
syzkaller-bugs@...glegroups.com, Mina Almasry <almasrymina@...gle.com>,
Toke Høiland-Jørgensen <toke@...nel.org>,
David Hildenbrand <david@...hat.com>
Subject: Re: [syzbot] [net?] BUG: Bad page state in bpf_test_run_xdp_live
Cc. Toke (I see page_pool used from xdp_test_run_batch)
Cc. Mina (as I see page_pool_alloc_netmem() below)
On 28/10/2024 00.42, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 6d858708d465 Merge branch 'net-ethernet-freescale-use-pa-t..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=15d6a65f980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=e7f0cac6eaefe81d
> dashboard link: https://syzkaller.appspot.com/bug?extid=d121e098da06af416d23
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=156b48a7980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144db640580000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/88c678a36ec8/disk-6d858708.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/b19b4fbbd593/vmlinux-6d858708.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/18fef9c3fe20/bzImage-6d858708.xz
>
> The issue was bisected to:
>
> commit dba1b8a7ab6853a84bf3afdbeac1c2f2370d3444
$ git describe --contains dba1b8a7ab6853a84bf3afdbeac1c2f2370d3444
v6.8-rc1~131^2~268
> Author: Jesper Dangaard Brouer <hawk@...nel.org>
> Date: Fri Nov 24 10:16:52 2023 +0000
>
> mm/page_pool: catch page_pool memory leaks
>
Bisect is likely wrong, as this patch simply catch page_pool memory leaks.
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1578f640580000
> final oops: https://syzkaller.appspot.com/x/report.txt?x=1778f640580000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1378f640580000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+d121e098da06af416d23@...kaller.appspotmail.com
> Fixes: dba1b8a7ab68 ("mm/page_pool: catch page_pool memory leaks")
>
> BUG: Bad page state in process syz-executor203 pfn:278e1
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e1dc0 pfn:0x278e1
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
dead000000000040 == PP_SIGNATURE
> raw: ffff8880278e1dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
I'm unfamiliar with "page_owner" system?
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248414468, free_ts 71048141035
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Not tainted 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
(no more comment below, but kept remaining email intact)
> BUG: Bad page state in process syz-executor203 pfn:278e2
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e2dc0 pfn:0x278e2
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff8880278e2dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248403197, free_ts 71048146269
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:278e3
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e3dc0 pfn:0x278e3
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff8880278e3dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248392499, free_ts 71048151461
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:278e4
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e4dc0 pfn:0x278e4
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff8880278e4dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248381341, free_ts 71048156641
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:278e5
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e5dc0 pfn:0x278e5
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff8880278e5dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248370083, free_ts 71048161843
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:278e6
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e6dc0 pfn:0x278e6
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff8880278e6dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248358846, free_ts 71048190667
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:278e7
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880278e7dc0 pfn:0x278e7
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff8880278e7dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248347054, free_ts 71048196073
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:6a1f0
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806a1f0dc0 pfn:0x6a1f0
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff88806a1f0dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248335775, free_ts 71048201729
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:6a1f1
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806a1f1dc0 pfn:0x6a1f1
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff88806a1f1dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248324385, free_ts 71048206965
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:6a1f2
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806a1f2dc0 pfn:0x6a1f2
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff88806a1f2dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248313104, free_ts 71048212188
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:6a1f3
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806a1f3dc0 pfn:0x6a1f3
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff88806a1f3dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248301669, free_ts 71048217415
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inline]
> skb_free_head net/core/skbuff.c:1096 [inline]
> skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
> skb_release_all net/core/skbuff.c:1190 [inline]
> __kfree_skb net/core/skbuff.c:1204 [inline]
> sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
> kfree_skb_reason include/linux/skbuff.h:1262 [inline]
> __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5642
> __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5743
> __netif_receive_skb_list net/core/dev.c:5810 [inline]
> netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5901
> netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5953
> xdp_recv_frames net/bpf/test_run.c:279 [inline]
> xdp_test_run_batch net/bpf/test_run.c:360 [inline]
> bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7effeb162d19
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007effeb0f4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
> RAX: ffffffffffffffda RBX: 00007effeb1e5338 RCX: 00007effeb162d19
> RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
> RBP: 00007effeb1e5330 R08: 00007effeb0f46c0 R09: 00007effeb0f46c0
> R10: 00007effeb0f46c0 R11: 0000000000000246 R12: 00007effeb1b21bc
> R13: 2caa1414ac000000 R14: 656c6c616b7a7973 R15: 00007ffc0d3b6078
> </TASK>
> BUG: Bad page state in process syz-executor203 pfn:6a1f4
> page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806a1f4dc0 pfn:0x6a1f4
> flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
> raw: 00fff00000000000 dead000000000040 ffff888026a8f000 0000000000000000
> raw: ffff88806a1f4dc0 0000000000000001 00000000ffffffff 0000000000000000
> page dumped because: page_pool leak
> page_owner tracks the page as allocated
> page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 5947, tgid 5944 (syz-executor203), ts 71248290591, free_ts 71048222589
> set_page_owner include/linux/page_owner.h:32 [inline]
> post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
> prep_new_page mm/page_alloc.c:1545 [inline]
> get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457
> __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
> alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
> alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
> __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
> page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
> page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
> page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
> xdp_test_run_batch net/bpf/test_run.c:305 [inline]
> bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
> bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
> bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247
> __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652
> __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
> __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
> __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> page last free pid 5938 tgid 5938 stack trace:
> reset_page_owner include/linux/page_owner.h:25 [inline]
> free_pages_prepare mm/page_alloc.c:1108 [inline]
> free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
> discard_slab mm/slub.c:2677 [inline]
> __put_partials+0xeb/0x130 mm/slub.c:3145
> put_cpu_partial+0x17c/0x250 mm/slub.c:3220
> __slab_free+0x2ea/0x3d0 mm/slub.c:4449
> qlink_free mm/kasan/quarantine.c:163 [inline]
> qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
> kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
> __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
> kasan_slab_alloc include/linux/kasan.h:247 [inline]
> slab_post_alloc_hook mm/slub.c:4085 [inline]
> slab_alloc_node mm/slub.c:4134 [inline]
> kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
> taskstats_tgid_alloc kernel/taskstats.c:582 [inline]
> taskstats_exit+0x360/0xa60 kernel/taskstats.c:621
> do_exit+0x9ad/0x28e0 kernel/exit.c:924
> do_group_exit+0x207/0x2c0 kernel/exit.c:1088
> __do_sys_exit_group kernel/exit.c:1099 [inline]
> __se_sys_exit_group kernel/exit.c:1097 [inline]
> __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
> x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
> do_syscall_x64 arch/x86/entry/common.c:52 [inline]
> do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> Modules linked in:
> CPU: 1 UID: 0 PID: 5947 Comm: syz-executor203 Tainted: G B 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
> Tainted: [B]=BAD_PAGE
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
> bad_page+0x166/0x1b0 mm/page_alloc.c:501
> free_page_is_bad mm/page_alloc.c:918 [inline]
> free_pages_prepare mm/page_alloc.c:1100 [inline]
> free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
> skb_free_frag include/linux/skbuff.h:3405 [inl
>
> ---
> This report is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@...glegroups.com.
>
> syzbot will keep track of this issue. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> If the report is already addressed, let syzbot know by replying with:
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>
> If you want syzbot to run the reproducer, reply with:
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