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From: syzbot <syzbot+48135e34de22e3a82c99@syzkaller.appspotmail.com>
To: applications@thinkbigglobal.in, davem@davemloft.net,
	gustavo@padovan.org, johan.hedberg@gmail.com,
	linux-bluetooth@vger.kernel.org, linux-kbuild@vger.kernel.org,
	linux-kernel@vger.kernel.org, marcel@holtmann.org,
	mingo@redhat.com, mmarek@suse.com, netdev@vger.kernel.org,
	peterz@infradead.org, syzkaller-bugs@googlegroups.com,
	torvalds@linux-foundation.org, will@kernel.org
Subject: Re: [syzbot] KASAN: use-after-free Read in corrupted (4)
Date: Sun, 22 May 2022 16:01:21 -0700	[thread overview]
Message-ID: <000000000000b6b4eb05dfa1b325@google.com> (raw)
In-Reply-To: <000000000000c1925305ac997812@google.com>

syzbot has found a reproducer for the following issue on:

HEAD commit:    eaea45fc0e7b Merge tag 'perf-tools-fixes-for-v5.18-2022-05..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1315c161f00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=902c5209311d387c
dashboard link: https://syzkaller.appspot.com/bug?extid=48135e34de22e3a82c99
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14a076d6f00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12f76a3df00000

The issue was bisected to:

commit c470abd4fde40ea6a0846a2beab642a578c0b8cd
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Feb 19 22:34:00 2017 +0000

    Linux 4.10

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=128bb53a900000
final oops:     https://syzkaller.appspot.com/x/report.txt?x=118bb53a900000
console output: https://syzkaller.appspot.com/x/log.txt?x=168bb53a900000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+48135e34de22e3a82c99@syzkaller.appspotmail.com
Fixes: c470abd4fde4 ("Linux 4.10")

traps: syz-executor229[3615] general protection fault ip:7feb96eb56a1 sp:20000fd0 error:0 in syz-executor2295634012[7feb96e75000+84000]


       reply	other threads:[~2022-05-22 23:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <000000000000c1925305ac997812@google.com>
2022-05-22 23:01 ` syzbot [this message]
2022-05-23  3:56   ` [syzbot] KASAN: use-after-free Read in corrupted (4) Linus Torvalds
2022-06-01 13:51     ` Aleksandr Nogikh

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