From: Pavel Begunkov <asml.silence@gmail.com>
To: syzbot <syzbot+cf285a028ffba71b2ef5@syzkaller.appspotmail.com>,
axboe@kernel.dk, io-uring@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [io-uring?] WARNING: refcount bug in io_send_zc_cleanup (2)
Date: Sat, 22 Mar 2025 09:04:58 +0000 [thread overview]
Message-ID: <fde4a18e-0376-4c3f-9b27-b644c211618e@gmail.com> (raw)
In-Reply-To: <67de616f.050a0220.31a16b.002b.GAE@google.com>
On 3/22/25 07:06, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: d07de43e3f05 Merge tag 'io_uring-6.14-20250321' of git://g..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=14223004580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=620facf12ff15d10
> dashboard link: https://syzkaller.appspot.com/bug?extid=cf285a028ffba71b2ef5
> 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=16be1c4c580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12223004580000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/a241563b93db/disk-d07de43e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/6c435395db14/vmlinux-d07de43e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/59fc4b510cae/bzImage-d07de43e.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+cf285a028ffba71b2ef5@syzkaller.appspotmail.com
#syz test: https://github.com/isilence/linux.git syz/sendzc-cleanup
--
Pavel Begunkov
next prev parent reply other threads:[~2025-03-22 9:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-22 7:06 [syzbot] [io-uring?] WARNING: refcount bug in io_send_zc_cleanup (2) syzbot
2025-03-22 9:04 ` Pavel Begunkov [this message]
2025-03-22 9:28 ` syzbot
2025-03-22 14:21 ` 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 \
--in-reply-to=fde4a18e-0376-4c3f-9b27-b644c211618e@gmail.com \
--to=asml.silence@gmail.com \
--cc=axboe@kernel.dk \
--cc=io-uring@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=syzbot+cf285a028ffba71b2ef5@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
/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