Message-ID: <6749aac3.050a0220.253251.00b0.GAE@google.com>
Date: Fri, 29 Nov 2024 03:51:31 -0800
From: syzbot <syzbot+3344d668bbbc12996d46@...kaller.appspotmail.com>
To: alex.aring@...il.com, davem@...emloft.net, edumazet@...gle.com, 
	horms@...nel.org, kuba@...nel.org, linux-kernel@...r.kernel.org, 
	linux-wpan@...r.kernel.org, miquel.raynal@...tlin.com, netdev@...r.kernel.org, 
	pabeni@...hat.com, stefan@...enfreihafen.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wpan?] WARNING in __dev_change_net_namespace (3)

Hello,

syzbot found the following issue on:

HEAD commit:    9f16d5e6f220 Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14e6775f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fb680913ee293bcc
dashboard link: https://syzkaller.appspot.com/bug?extid=3344d668bbbc12996d46
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-9f16d5e6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/15be8a79f63a/vmlinux-9f16d5e6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/82d8dde32162/bzImage-9f16d5e6.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3344d668bbbc12996d46@...kaller.appspotmail.com

FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:53 [inline]
 should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154
 should_failslab+0xac/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4038 [inline]
 slab_alloc_node mm/slub.c:4114 [inline]
 __do_kmalloc_node mm/slub.c:4263 [inline]
 __kmalloc_noprof+0xd8/0x400 mm/slub.c:4276
 kmalloc_noprof include/linux/slab.h:883 [inline]
 kobject_rename+0xf2/0x410 lib/kobject.c:495
 device_rename+0x16a/0x200 drivers/base/core.c:4577
 __dev_change_net_namespace+0x11fb/0x1820 net/core/dev.c:11736
 dev_change_net_namespace include/linux/netdevice.h:4018 [inline]
 cfg802154_switch_netns+0xc5/0x3d0 net/ieee802154/core.c:230
 nl802154_wpan_phy_netns+0x13d/0x210 net/ieee802154/nl802154.c:1292
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2541
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:726
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583
 ___sys_sendmsg net/socket.c:2637 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2669
 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: 0033:0x7fd56a57e819
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd56b299038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd56a735fa0 RCX: 00007fd56a57e819
RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000004
RBP: 00007fd56b299090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007fd56a735fa0 R15: 00007ffe74561238
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5337 at net/core/dev.c:11738 __dev_change_net_namespace+0x16ed/0x1820 net/core/dev.c:11738
Modules linked in:
CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__dev_change_net_namespace+0x16ed/0x1820 net/core/dev.c:11738
Code: 01 90 48 c7 c7 a0 b6 0e 8d 48 c7 c6 80 b6 0e 8d ba 6f 2d 00 00 e8 33 28 b8 f7 90 0f 0b 90 90 e9 89 ea ff ff e8 14 82 f7 f7 90 <0f> 0b 90 e9 3a fb ff ff e8 06 82 f7 f7 90 0f 0b 90 e9 bc fe ff ff
RSP: 0018:ffffc9000d2fef80 EFLAGS: 00010293
RAX: ffffffff899e5dfc RBX: dffffc0000000000 RCX: ffff88801f1c2440
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffffc9000d2ff3b8 R08: ffffffff899e592c R09: 1ffffffff2863f12
R10: dffffc0000000000 R11: fffffbfff2863f13 R12: ffff888035e841a8
R13: 1ffff92001a5fe61 R14: ffff888035e84724 R15: 00000000fffffff4
FS:  00007fd56b2996c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056434e74f468 CR3: 0000000040842000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dev_change_net_namespace include/linux/netdevice.h:4018 [inline]
 cfg802154_switch_netns+0xc5/0x3d0 net/ieee802154/core.c:230
 nl802154_wpan_phy_netns+0x13d/0x210 net/ieee802154/nl802154.c:1292
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2541
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:726
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583
 ___sys_sendmsg net/socket.c:2637 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2669
 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: 0033:0x7fd56a57e819
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd56b299038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd56a735fa0 RCX: 00007fd56a57e819
RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000004
RBP: 00007fd56b299090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007fd56a735fa0 R15: 00007ffe74561238
 </TASK>


---
This report is generated by a bot. It may contain errors.
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