From: Pavel Begunkov <[email protected]>
To: syzbot <[email protected]>,
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected]
Subject: Re: WARNING in io_disable_sqo_submit
Date: Fri, 15 Jan 2021 23:18:16 +0000 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 15/01/2021 23:08, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 7c53f6b6 Linux 5.11-rc3
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12a76f70d00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=c60c9ff9cc916cbc
> dashboard link: https://syzkaller.appspot.com/bug?extid=2f5d1785dc624932da78
> compiler: gcc (GCC) 10.1.0-syz 20200507
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
>
> ------------[ cut here ]------------
> WARNING: CPU: 1 PID: 9094 at fs/io_uring.c:8884 io_disable_sqo_submit+0x106/0x130 fs/io_uring.c:8884
This one is a false positive warn_once, I'll fix it up
> Modules linked in:
> CPU: 1 PID: 9094 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
> RIP: 0010:io_disable_sqo_submit+0x106/0x130 fs/io_uring.c:8884
> Code: b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1d 83 8b 14 01 00 00 01 48 89 ef 5b 5d e9 ef bc 23 07 e8 5a e5 9a ff <0f> 0b e9 35 ff ff ff e8 3e a1 dd ff eb dc e8 67 a1 dd ff e9 65 ff
> RSP: 0018:ffffc9000188fea0 EFLAGS: 00010212
> RAX: 0000000000000044 RBX: ffff888079dbe000 RCX: ffffc90013b54000
> RDX: 0000000000040000 RSI: ffffffff81d7e466 RDI: ffff888079dbe0d0
> RBP: ffff8880201c0c80 R08: 0000000000000000 R09: 00000000278d0001
> R10: ffffffff81d7e705 R11: 0000000000000001 R12: ffff888079dbe000
> R13: ffff8880278d0001 R14: ffff888079dbe040 R15: ffff888079dbe0d0
> FS: 00007fe461a71700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000000000000080 CR3: 0000000011fd1000 CR4: 0000000000350ee0
> Call Trace:
> io_uring_flush+0x28b/0x3a0 fs/io_uring.c:9099
> filp_close+0xb4/0x170 fs/open.c:1280
> close_fd+0x5c/0x80 fs/file.c:626
> __do_sys_close fs/open.c:1299 [inline]
> __se_sys_close fs/open.c:1297 [inline]
> __x64_sys_close+0x2f/0xa0 fs/open.c:1297
> do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
> entry_SYSCALL_64_after_hwframe+0x44/0xa9
> RIP: 0033:0x45e219
> Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
> RSP: 002b:00007fe461a70c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
> RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045e219
> RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
> RBP: 000000000119bfb0 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
> R13: 00007ffc626b58ff R14: 00007fe461a719c0 R15: 000000000119bf8c
--
Pavel Begunkov
next prev parent reply other threads:[~2021-01-15 23:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 23:08 WARNING in io_disable_sqo_submit syzbot
2021-01-15 23:18 ` Pavel Begunkov [this message]
2021-01-18 4:27 ` syzbot
2021-01-18 12:26 ` Pavel Begunkov
2021-01-18 12:46 ` syzbot
2021-02-01 11:04 ` Pavel Begunkov
2021-02-01 15:30 ` syzbot
2021-02-01 15:32 ` Pavel Begunkov
2021-01-18 8:09 ` syzbot
2021-01-22 14:42 ` syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox