linux-kernel - Re: KASAN: use-after-free Write in afs_manage

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Message-ID: <00000000000005d94d05b4118980@google.com>
Date:   Sat, 14 Nov 2020 05:58:09 -0800
From:   syzbot <syzbot+f59c67285cb61166a0cf@...kaller.appspotmail.com>
To:     dhowells@...hat.com, foxhlchen@...il.com, hdanton@...a.com,
        linux-afs@...ts.infradead.org, linux-cachefs-bounces@...hat.com,
        linux-cachefs@...hat.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: KASAN: use-after-free Write in afs_manage_cell

syzbot suspects this issue was fixed by commit:

commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
Author: David Howells <dhowells@...hat.com>
Date:   Fri Oct 16 12:21:14 2020 +0000

    afs: Fix cell removal

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15b78dba500000
start commit:   da690031 Merge branch 'i2c/for-current' of git://git.kerne..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7
dashboard link: https://syzkaller.appspot.com/bug?extid=f59c67285cb61166a0cf
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10960a8b900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17e938cf900000

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

#syz fix: afs: Fix cell removal

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