From: syzbot <syzbot+4e21d5f67b886a692b55@syzkaller.appspotmail.com>
To: brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
viro@zeniv.linux.org.uk
Subject: [syzbot] [fs?] BUG: corrupted list in remove_wait_queue (2)
Date: Wed, 22 Jan 2025 15:27:20 -0800 [thread overview]
Message-ID: <67917ed8.050a0220.15cac.02eb.GAE@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: fda5e3f28400 Merge tag 'trace-v6.13-rc7-2' of git://git.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1117e024580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f5e182416a4b418f
dashboard link: https://syzkaller.appspot.com/bug?extid=4e21d5f67b886a692b55
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=177959df980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1288d1f8580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/cd46ddd4b381/disk-fda5e3f2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f7cf021f77f5/vmlinux-fda5e3f2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/12cb03ba7d7e/bzImage-fda5e3f2.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4e21d5f67b886a692b55@syzkaller.appspotmail.com
list_del corruption. prev->next should be ffffc90003377b98, but was ffff88802a2585c8. (prev=ffff88802a2585c8)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:62!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 9290 Comm: syz-executor367 Not tainted 6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__list_del_entry_valid_or_report+0x12c/0x1c0 lib/list_debug.c:62
Code: e8 19 db da fc 90 0f 0b 48 89 ca 48 c7 c7 00 a0 b1 8b e8 07 db da fc 90 0f 0b 48 89 c2 48 c7 c7 60 a0 b1 8b e8 f5 da da fc 90 <0f> 0b 48 89 d1 48 c7 c7 e0 a0 b1 8b 48 89 c2 e8 e0 da da fc 90 0f
RSP: 0018:ffffc90003377880 EFLAGS: 00010086
RAX: 000000000000006d RBX: ffffc90003377b80 RCX: ffffffff8178e449
RDX: 0000000000000000 RSI: ffffffff81798bd6 RDI: 0000000000000005
RBP: ffff88802a258588 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000001 R12: 0000000000000286
R13: ffffc90003377b98 R14: ffffc90003377ba0 R15: ffffc90003377b70
FS: 0000555578a00380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f687b8542b0 CR3: 0000000073a90000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__list_del_entry_valid include/linux/list.h:124 [inline]
__list_del_entry include/linux/list.h:215 [inline]
list_del include/linux/list.h:229 [inline]
__remove_wait_queue include/linux/wait.h:207 [inline]
remove_wait_queue+0x30/0x180 kernel/sched/wait.c:55
free_poll_entry fs/select.c:132 [inline]
poll_freewait+0xd5/0x250 fs/select.c:141
do_sys_poll+0x6f7/0xde0 fs/select.c:1010
__do_sys_poll fs/select.c:1074 [inline]
__se_sys_poll fs/select.c:1062 [inline]
__x64_sys_poll+0x1a8/0x450 fs/select.c:1062
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f687b7d8809
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdb8bb93f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00307276642f3072 RCX: 00007f687b7d8809
RDX: 0000000000000106 RSI: 0000000000000005 RDI: 0000000020000080
RBP: 0000000000000000 R08: 00007ffdb8bb8f60 R09: 00007ffdb8bb8f60
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdb8bb941c
R13: 00007ffdb8bb9430 R14: 00007ffdb8bb9470 R15: 0000000000000359
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x12c/0x1c0 lib/list_debug.c:62
Code: e8 19 db da fc 90 0f 0b 48 89 ca 48 c7 c7 00 a0 b1 8b e8 07 db da fc 90 0f 0b 48 89 c2 48 c7 c7 60 a0 b1 8b e8 f5 da da fc 90 <0f> 0b 48 89 d1 48 c7 c7 e0 a0 b1 8b 48 89 c2 e8 e0 da da fc 90 0f
RSP: 0018:ffffc90003377880 EFLAGS: 00010086
RAX: 000000000000006d RBX: ffffc90003377b80 RCX: ffffffff8178e449
RDX: 0000000000000000 RSI: ffffffff81798bd6 RDI: 0000000000000005
RBP: ffff88802a258588 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000001 R12: 0000000000000286
R13: ffffc90003377b98 R14: ffffc90003377ba0 R15: ffffc90003377b70
FS: 0000555578a00380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f687b8542b0 CR3: 0000000073a90000 CR4: 00000000003526f0
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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next reply other threads:[~2025-01-22 23:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-22 23:27 syzbot [this message]
2025-02-17 7:26 ` [syzbot] Re: [syzbot] [fs?] BUG: corrupted list in remove_wait_queue (2) syzbot
2025-07-07 9:30 ` syzbot
2025-07-07 11:26 ` Hillf Danton
2025-07-07 11:43 ` syzbot
2026-01-15 23:32 ` syzbot
[not found] <20250217072635.2581421-1-lizhi.xu@windriver.com>
2025-02-17 7:49 ` syzbot
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