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From: syzbot <syzbot+19e6dd9943972fa1c58a@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, axelrasmussen@google.com,
	davem@davemloft.net, dsahern@kernel.org,
	gregkh@linuxfoundation.org, kuba@kernel.org,
	linux-kernel@vger.kernel.org, liuhangbin@gmail.com,
	netdev@vger.kernel.org, sfr@canb.auug.org.au,
	syzkaller-bugs@googlegroups.com, tj@kernel.org, vbabka@suse.cz
Subject: Re: KASAN: use-after-free Write in kernfs_path_from_node_locked
Date: Mon, 30 Nov 2020 05:08:12 -0800	[thread overview]
Message-ID: <000000000000d0f2fb05b552b3f3@google.com> (raw)
In-Reply-To: <000000000000b8a70905b54ef5ca@google.com>

syzbot has bisected this issue to:

commit 0f818c4bc1f3dc0d6d0ea916e0ab30cf5e75f4c0
Author: Axel Rasmussen <axelrasmussen@google.com>
Date:   Tue Nov 24 05:37:42 2020 +0000

    mm: mmap_lock: add tracepoints around lock acquisition

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1626291d500000
start commit:   6174f052 Add linux-next specific files for 20201127
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1526291d500000
console output: https://syzkaller.appspot.com/x/log.txt?x=1126291d500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=79c69cf2521bef9c
dashboard link: https://syzkaller.appspot.com/bug?extid=19e6dd9943972fa1c58a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12c3351d500000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14c28809500000

Reported-by: syzbot+19e6dd9943972fa1c58a@syzkaller.appspotmail.com
Fixes: 0f818c4bc1f3 ("mm: mmap_lock: add tracepoints around lock acquisition")

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

  reply	other threads:[~2020-11-30 13:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-30  8:40 KASAN: use-after-free Write in kernfs_path_from_node_locked syzbot
2020-11-30 13:08 ` syzbot [this message]
2020-11-30 18:02   ` Axel Rasmussen

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