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From: syzbot <syzbot+0442e6e2f7e1e33b1037@syzkaller.appspotmail.com>
To: asmadeus@codewreck.org, davem@davemloft.net,
	dominique.martinet@cea.fr, ericvh@gmail.com,
	jiangyiwen@huwei.com, linux-kernel@vger.kernel.org,
	lucho@ionkov.net, netdev@vger.kernel.org, rminnich@sandia.gov,
	syzkaller-bugs@googlegroups.com, tomasbortoli@gmail.com,
	v9fs-developer@lists.sourceforge.net
Subject: Re: KASAN: use-after-free Read in p9_fd_poll
Date: Thu, 07 Nov 2019 05:42:05 -0800	[thread overview]
Message-ID: <000000000000baac070596c1d4ae@google.com> (raw)
In-Reply-To: <000000000000afbebb0570be9bf3@google.com>

syzbot suspects this bug was fixed by commit:

commit 430ac66eb4c5b5c4eb846b78ebf65747510b30f1
Author: Tomas Bortoli <tomasbortoli@gmail.com>
Date:   Fri Jul 20 09:27:30 2018 +0000

     net/9p/trans_fd.c: fix race-condition by flushing workqueue before the  
kfree()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1646690c600000
start commit:   d72e90f3 Linux 4.18-rc6
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=68af3495408deac5
dashboard link: https://syzkaller.appspot.com/bug?extid=0442e6e2f7e1e33b1037
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1569b51c400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16e7a978400000

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

#syz fix: net/9p/trans_fd.c: fix race-condition by flushing workqueue  
before the kfree()

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

      parent reply	other threads:[~2019-11-07 13:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-11 19:54 KASAN: use-after-free Read in p9_fd_poll syzbot
2018-07-23 19:41 ` syzbot
2019-11-07 13:42 ` syzbot [this message]

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