* Re: [syzbot] [fs?] WARNING: bad unlock balance in query_matching_vma
[not found] ` <687628be.a00a0220.3af5df.0002.GAE@google.com>
@ 2025-07-16 0:08 ` Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2025-07-16 0:08 UTC (permalink / raw)
To: syzbot
Cc: andrii, david, hdanton, linux-fsdevel, linux-kernel,
lorenzo.stoakes, surenb, syzkaller-bugs, linux-mm
On Tue, 15 Jul 2025 03:09:02 -0700 syzbot <syzbot+d4316c39e84f412115c9@syzkaller.appspotmail.com> wrote:
> syzbot has bisected this issue to:
>
> commit fb8a9ee1f05345b1fae37902d32d954d2150437b
> Author: Suren Baghdasaryan <surenb@google.com>
> Date: Fri Jul 4 06:07:26 2025 +0000
>
> fs/proc/task_mmu: execute PROCMAP_QUERY ioctl under per-vma locks
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=171c27d4580000
> start commit: a62b7a37e6fc Add linux-next specific files for 20250711
> git tree: linux-next
> final oops: https://syzkaller.appspot.com/x/report.txt?x=149c27d4580000
> console output: https://syzkaller.appspot.com/x/log.txt?x=109c27d4580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=bb4e3ec360fcbd0f
> dashboard link: https://syzkaller.appspot.com/bug?extid=d4316c39e84f412115c9
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ad50f0580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1173018c580000
>
> Reported-by: syzbot+d4316c39e84f412115c9@syzkaller.appspotmail.com
Thanks.
This email (and the original bug report) lacked a cc:linux-mm@kvack.org.
> Fixes: fb8a9ee1f053 ("fs/proc/task_mmu: execute PROCMAP_QUERY ioctl under per-vma locks")
Could I suggest that your scripts be altered to parse the fb8a9ee1f053
changelog for its Link:, fetch the submitter's original email and from
that, figure out which mailing list(s) were cc'ed?
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
Suren, I'll drop the v6 series from mm-new. Links which I have
accumulated are:
https://lkml.kernel.org/r/6871f94b.a00a0220.26a83e.0070.GAE@google.com
https://lkml.kernel.org/r/f532558b-b19a-40ea-b594-94d1ba92188d@lucifer.local
https://lkml.kernel.org/r/687628be.a00a0220.3af5df.0002.GAE@google.com
https://lkml.kernel.org/r/687628be.a00a0220.3af5df.0002.GAE@google.com
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