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From: syzbot <syzbot+eaeb616d85c9a0afec7d@syzkaller.appspotmail.com>
To: cmetcalf@ezchip.com, coreteam@netfilter.org, davem@davemloft.net,
	dvyukov@google.com, gang.chen.5i5j@gmail.com, kaber@trash.net,
	kadlec@blackhole.kfki.hu, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	netfilter-devel@vger.kernel.org, pablo@netfilter.org,
	syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk
Subject: Re: KASAN: use-after-free Read in blkdev_get
Date: Sun, 24 Nov 2019 11:07:00 -0800	[thread overview]
Message-ID: <0000000000000beff305981c5ac6@google.com> (raw)
In-Reply-To: <000000000000e59aab056e8873ae@google.com>

syzbot has bisected this bug to:

commit 77ef8f5177599efd0cedeb52c1950c1bd73fa5e3
Author: Chris Metcalf <cmetcalf@ezchip.com>
Date:   Mon Jan 25 20:05:34 2016 +0000

     tile kgdb: fix bug in copy to gdb regs, and optimize memset

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1131bc0ee00000
start commit:   f5b7769e Revert "debugfs: inode: debugfs_create_dir uses m..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1331bc0ee00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1531bc0ee00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=709f8187af941e84
dashboard link: https://syzkaller.appspot.com/bug?extid=eaeb616d85c9a0afec7d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=177f898f800000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=147eb85f800000

Reported-by: syzbot+eaeb616d85c9a0afec7d@syzkaller.appspotmail.com
Fixes: 77ef8f517759 ("tile kgdb: fix bug in copy to gdb regs, and optimize  
memset")

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

  parent reply	other threads:[~2019-11-24 19:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-13 16:27 KASAN: use-after-free Read in blkdev_get syzbot
2018-12-05 19:50 ` Dmitry Vyukov
2019-11-24 19:07 ` syzbot [this message]
2019-11-24 19:30   ` Al Viro
2019-11-30 11:06     ` Duncan Roe
2019-11-30 15:53       ` Dmitry Vyukov
2019-12-01  0:04         ` Duncan Roe
2019-12-02  6:47           ` Dmitry Vyukov
2019-12-02  9:31             ` Duncan Roe

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