From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Date: Wed, 25 Dec 2019 15:26:00 +0000 Subject: Re: KASAN: use-after-free Read in fb_mode_is_equal Message-Id: <000000000000c6e365059a88e032@google.com> List-Id: In-Reply-To: <0000000000001b2f4605991a4cc0@google.com> References: <0000000000001b2f4605991a4cc0@google.com> In-Reply-To: <0000000000001b2f4605991a4cc0@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: b.zolnierkie@samsung.com, daniel.vetter@ffwll.ch, daniel.vetter@intel.com, dri-devel@lists.freedesktop.org, hdanton@sina.com, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mojha@codeaurora.org, sam@ravnborg.org, shile.zhang@linux.alibaba.com, syzkaller-bugs@googlegroups.com syzbot has bisected this bug to: commit 13ff178ccd6d3b8074c542a911300b79c4eec255 Author: Daniel Vetter Date: Tue May 28 09:02:53 2019 +0000 fbcon: Call fbcon_mode_deleted/new_modelist directly bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1737c63ee00000 start commit: 46cf053e Linux 5.5-rc3 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14b7c63ee00000 console output: https://syzkaller.appspot.com/x/log.txt?x=10b7c63ee00000 kernel config: https://syzkaller.appspot.com/x/.config?x=ED9d672709340e35 dashboard link: https://syzkaller.appspot.com/bug?extid=F11cda116c57db68c227 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12bf72c6e00000 Reported-by: syzbot+f11cda116c57db68c227@syzkaller.appspotmail.com Fixes: 13ff178ccd6d ("fbcon: Call fbcon_mode_deleted/new_modelist directly") For information about bisection process see: https://goo.gl/tpsmEJ#bisection