From: Jens Axboe <axboe@kernel.dk>
To: syzbot <syzbot+b1fc199a40b65d601b65@syzkaller.appspotmail.com>,
asml.silence@gmail.com, bigeasy@linutronix.de,
brauner@kernel.org, clrkwllms@kernel.org,
io-uring@vger.kernel.org, jack@suse.cz,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rt-devel@lists.linux.dev, rostedt@goodmis.org,
syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk
Subject: Re: [syzbot] [fs?] [io-uring?] WARNING: locking bug in eventfd_signal_mask
Date: Mon, 30 Dec 2024 14:19:16 -0700 [thread overview]
Message-ID: <616118a2-e440-45c6-a548-a1cdb1b586f2@kernel.dk> (raw)
In-Reply-To: <67710fe0.050a0220.226966.00bd.GAE@google.com>
On 12/29/24 2:01 AM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 9b2ffa6148b1 Merge tag 'mtd/fixes-for-6.13-rc5' of git://g..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=128f74c4580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=d269ef41b9262400
> dashboard link: https://syzkaller.appspot.com/bug?extid=b1fc199a40b65d601b65
> 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=1469890f980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154b22f8580000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/9015cc2b19ac/disk-9b2ffa61.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/3ddeabd5e7eb/vmlinux-9b2ffa61.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/36e13b0305d0/bzImage-9b2ffa61.xz
>
> The issue was bisected to:
>
> commit 020b40f3562495f3c703a283ece145ffec19e82d
> Author: Jens Axboe <axboe@kernel.dk>
> Date: Tue Dec 17 15:21:46 2024 +0000
>
> io_uring: make ctx->timeout_lock a raw spinlock
#syz test: git://git.kernel.dk/linux io_uring-6.13
--
Jens Axboe
next prev parent reply other threads:[~2024-12-30 21:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-29 9:01 [syzbot] [fs?] [io-uring?] WARNING: locking bug in eventfd_signal_mask syzbot
2024-12-30 21:19 ` Jens Axboe [this message]
2024-12-30 23:19 ` syzbot
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