From: Christian Brauner <brauner@kernel.org>
To: syzbot <syzbot+1957b26299cf3ff7890c@syzkaller.appspotmail.com>
Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org,
anna-maria@linutronix.de, bpf@vger.kernel.org,
bsegall@google.com, cgroups@vger.kernel.org, david@redhat.com,
dietmar.eggemann@arm.com, frederic@kernel.org,
hannes@cmpxchg.org, jack@suse.cz, jsavitz@redhat.com,
juri.lelli@redhat.com, kees@kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-security-module@vger.kernel.org,
lorenzo.stoakes@oracle.com, mgorman@suse.de, mhocko@suse.com,
mingo@redhat.com, mjguzik@gmail.com, mkoutny@suse.com,
oleg@redhat.com, paul@paul-moore.com, peterz@infradead.org,
rostedt@goodmis.org, rppt@kernel.org, sergeh@kernel.org,
surenb@google.com, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de, tj@kernel.org, vbabka@suse.cz,
vincent.guittot@linaro.org, viro@zeniv.linux.org.uk,
vschneid@redhat.com
Subject: Re: [syzbot] [fs?] WARNING in destroy_super_work
Date: Sun, 9 Nov 2025 14:39:18 +0100 [thread overview]
Message-ID: <20251109-lesung-erkaufen-476f6fb00b1b@brauner> (raw)
In-Reply-To: <690da04f.a70a0220.22f260.0027.GAE@google.com>
On Thu, Nov 06, 2025 at 11:31:27PM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 982312090977 Add linux-next specific files for 20251103
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=17b2932f980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=43cc0e31558cb527
> dashboard link: https://syzkaller.appspot.com/bug?extid=1957b26299cf3ff7890c
> compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1347817c580000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/40058f8a830c/disk-98231209.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/1d7f42e8639f/vmlinux-98231209.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/d8bb0284f393/bzImage-98231209.xz
>
> The issue was bisected to:
>
> commit 3c9820d5c64aeaadea7ffe3a6bb99d019a5ff46a
> Author: Christian Brauner <brauner@kernel.org>
> Date: Wed Oct 29 12:20:24 2025 +0000
>
> ns: add active reference count
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=101e9bcd980000
> final oops: https://syzkaller.appspot.com/x/report.txt?x=121e9bcd980000
> console output: https://syzkaller.appspot.com/x/log.txt?x=141e9bcd980000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+1957b26299cf3ff7890c@syzkaller.appspotmail.com
> Fixes: 3c9820d5c64a ("ns: add active reference count")
#syz test: https://github.com/brauner/linux.git namespace-6.19.fixes
next prev parent reply other threads:[~2025-11-09 13:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-07 7:31 syzbot
2025-11-09 13:39 ` Christian Brauner [this message]
2025-11-09 14:11 ` syzbot
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