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From: syzbot <syzbot+c8ae65286134dd1b800d@syzkaller.appspotmail.com>
To: airlied@linux.ie, christian.koenig@amd.com,
	daniel.vetter@ffwll.ch,  daniel.vetter@intel.com,
	daniel@ffwll.ch, dri-devel@lists.freedesktop.org,
	 linaro-mm-sig-owner@lists.linaro.org,
	linaro-mm-sig@lists.linaro.org,  linux-kernel@vger.kernel.org,
	linux-media@vger.kernel.org,  maarten.lankhorst@linux.intel.com,
	mripard@kernel.org,  sumit.semwal@linaro.org,
	syzkaller-bugs@googlegroups.com, tzimmermann@suse.de
Subject: Re: [syzbot] KASAN: use-after-free Read in drm_gem_object_release_handle
Date: Sun, 19 Dec 2021 07:57:07 -0800	[thread overview]
Message-ID: <000000000000ff1c4105d381d24f@google.com> (raw)
In-Reply-To: <000000000000685c4605d0e47dad@google.com>

syzbot has bisected this issue to:

commit 45d9c8dde4cd8589f9180309ec60f0da2ce486e4
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Aug 12 13:14:12 2021 +0000

    drm/vgem: use shmem helpers

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=147953cbb00000
start commit:   3f667b5d4053 Merge tag 'tty-5.16-rc6' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=167953cbb00000
console output: https://syzkaller.appspot.com/x/log.txt?x=127953cbb00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa556098924b78f0
dashboard link: https://syzkaller.appspot.com/bug?extid=c8ae65286134dd1b800d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16fd41ebb00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1483c7d5b00000

Reported-by: syzbot+c8ae65286134dd1b800d@syzkaller.appspotmail.com
Fixes: 45d9c8dde4cd ("drm/vgem: use shmem helpers")

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

      parent reply	other threads:[~2021-12-20  8:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-16  9:24 [syzbot] KASAN: use-after-free Read in drm_gem_object_release_handle syzbot
2021-12-18 20:09 ` syzbot
2021-12-19 15:57 ` syzbot [this message]

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