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From: syzbot <syzbot+9b64b619f10f19d19a7c@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, bp@alien8.de, coreteam@netfilter.org,
	davem@davemloft.net, gustavoars@kernel.org, hpa@zytor.com,
	john.stultz@linaro.org, kaber@trash.net,
	kadlec@blackhole.kfki.hu, keescook@chromium.org,
	linux-kernel@vger.kernel.org, mingo@redhat.com,
	netdev@vger.kernel.org, netfilter-devel@vger.kernel.org,
	pablo@netfilter.org, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de, torvalds@linux-foundation.org,
	wang.yi59@zte.com.cn, x86@kernel.org
Subject: Re: UBSAN: array-index-out-of-bounds in arch_uprobe_analyze_insn
Date: Mon, 21 Sep 2020 21:20:07 -0700	[thread overview]
Message-ID: <0000000000002cd54805afdf483f@google.com> (raw)
In-Reply-To: <00000000000082559e05afc6b97a@google.com>

syzbot has bisected this issue to:

commit 4b2bd5fec007a4fd3fc82474b9199af25013de4c
Author: John Stultz <john.stultz@linaro.org>
Date:   Sat Oct 8 00:02:33 2016 +0000

    proc: fix timerslack_ns CAP_SYS_NICE check when adjusting self

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1697348d900000
start commit:   325d0eab Merge branch 'akpm' (patches from Andrew)
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1597348d900000
console output: https://syzkaller.appspot.com/x/log.txt?x=1197348d900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b12e84189082991c
dashboard link: https://syzkaller.appspot.com/bug?extid=9b64b619f10f19d19a7c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1573a8ad900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=164ee6c5900000

Reported-by: syzbot+9b64b619f10f19d19a7c@syzkaller.appspotmail.com
Fixes: 4b2bd5fec007 ("proc: fix timerslack_ns CAP_SYS_NICE check when adjusting self")

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

  parent reply	other threads:[~2020-09-22  4:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-20 23:02 UBSAN: array-index-out-of-bounds in arch_uprobe_analyze_insn syzbot
2020-09-21  0:13 ` syzbot
2020-09-22  4:20 ` syzbot [this message]
2020-12-02  0:48   ` Kees Cook
2020-12-02  6:12     ` Masami Hiramatsu

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