linux-kernel - Re: BUG: corrupted list in insert

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Message-ID: <000000000000c518d505e6556ed8@google.com>
Date:   Mon, 15 Aug 2022 22:58:08 -0700
From:   syzbot <syzbot+e42ae441c3b10acf9e9d@...kaller.appspotmail.com>
To:     andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        brauner@...nel.org, cgroups@...r.kernel.org, daniel@...earbox.net,
        dvyukov@...gle.com, hannes@...xchg.org, hdanton@...a.com,
        john.fastabend@...il.com, kafai@...com, kpsingh@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        lizefan.x@...edance.com, lkp@...el.com, lkp@...ts.01.org,
        mkoutny@...e.com, netdev@...r.kernel.org, oliver.sang@...el.com,
        songliubraving@...com, stable@...r.kernel.org,
        syzkaller-android-bugs@...glegroups.com,
        syzkaller-bugs@...glegroups.com, tadeusz.struk@...aro.org,
        tj@...nel.org, yhs@...com
Subject: Re: BUG: corrupted list in insert_work

syzbot suspects this issue was fixed by commit:

commit d007f49ab789bee8ed76021830b49745d5feaf61
Author: Al Viro <viro@...iv.linux.org.uk>
Date:   Wed May 18 06:13:40 2022 +0000

    percpu_ref_init(): clean ->percpu_count_ref on failure

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10c66b6b080000
start commit:   ebc9fb07d294 ANDROID: random: fix CRC issues with the merge
git tree:       android12-5.10-lts
kernel config:  https://syzkaller.appspot.com/x/.config?x=32c952ff4a8ff8c1
dashboard link: https://syzkaller.appspot.com/bug?extid=e42ae441c3b10acf9e9d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=172a9074080000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10456caa080000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: percpu_ref_init(): clean ->percpu_count_ref on failure

For information about bisection process see: https://goo.gl/tpsmEJ#bisection