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Message-ID: <6732e4aa.050a0220.5088e.0007.GAE@google.com>
Date: Mon, 11 Nov 2024 21:16:26 -0800
From: syzbot <syzbot+f525fd79634858f478e7@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org, muchun.song@...ux.dev, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [mm?] kernel BUG in resv_map_release (3)
Hello,
syzbot found the following issue on:
HEAD commit: 906bd684e4b1 Merge tag 'spi-fix-v6.12-rc6' of git://git.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=146cc0c0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=20d60fe605153ebe
dashboard link: https://syzkaller.appspot.com/bug?extid=f525fd79634858f478e7
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ae035f980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=126cc0c0580000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-906bd684.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/34d4b570061f/vmlinux-906bd684.xz
kernel image: https://storage.googleapis.com/syzbot-assets/08ae18992ed1/bzImage-906bd684.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f525fd79634858f478e7@...kaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:1131!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 16399 Comm: syz-executor416 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #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:resv_map_release mm/hugetlb.c:1131 [inline]
RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1116
Code: a4 ff 48 85 db 75 1d e8 ab 1b a4 ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e3 ea fa ff e8 8e 1b a4 ff 90 <0f> 0b 4c 89 ef e8 83 a6 05 00 e9 3d ff ff ff 48 89 ef e8 86 a5 05
RSP: 0018:ffffc9002634f900 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e95f9b
RDX: ffff888020d6c880 RSI: ffffffff81e95fc2 RDI: 0000000000000007
RBP: ffff88802b289860 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802b289860
R13: ffff88802b289860 R14: ffff888033f4ed88 R15: dead000000000100
FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9bfa142b8 CR3: 000000000df7c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
kref_put include/linux/kref.h:65 [inline]
hugetlb_vm_op_close+0x4a7/0x5b0 mm/hugetlb.c:5075
remove_vma+0xa8/0x1a0 mm/vma.c:330
exit_mmap+0x4e0/0xb30 mm/mmap.c:1937
__mmput+0x12a/0x480 kernel/fork.c:1348
mmput+0x62/0x70 kernel/fork.c:1370
exit_mm kernel/exit.c:571 [inline]
do_exit+0x9bf/0x2d70 kernel/exit.c:926
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc9bf9be159
Code: Unable to access opcode bytes at 0x7fc9bf9be12f.
RSP: 002b:00007fc9bf957178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fc9bfa48338 RCX: 00007fc9bf9be159
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc9bfa48338
RBP: 00007fc9bfa48330 R08: 00007fc9bf9576c0 R09: 00007fc9bf9576c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9bfa4833c
R13: 000000000000000b R14: 00007ffda7c51e30 R15: 00007ffda7c51f18
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:resv_map_release mm/hugetlb.c:1131 [inline]
RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1116
Code: a4 ff 48 85 db 75 1d e8 ab 1b a4 ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e3 ea fa ff e8 8e 1b a4 ff 90 <0f> 0b 4c 89 ef e8 83 a6 05 00 e9 3d ff ff ff 48 89 ef e8 86 a5 05
RSP: 0018:ffffc9002634f900 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e95f9b
RDX: ffff888020d6c880 RSI: ffffffff81e95fc2 RDI: 0000000000000007
RBP: ffff88802b289860 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802b289860
R13: ffff88802b289860 R14: ffff888033f4ed88 R15: dead000000000100
FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda7c52014 CR3: 00000000325ae000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
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