syzbot


KASAN: use-after-free Write in __vb2_cleanup_fileio
Status: upstream: reported C repro on 2019/10/06 01:28
Reported-by: syzbot+e76a7c3ee3b39853689e@syzkaller.appspotmail.com
First crash: 177d, last: 17d
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Write in __vb2_cleanup_fileio C cause+fix 2 515d 518d 14/17 fixed on 2019/11/07 18:45
linux-4.19 KASAN: use-after-free Write in __vb2_cleanup_fileio 2 250d 288d 0/1 auto-closed as invalid on 2019/11/21 17:15

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-14 2020/03/13 11:19 linux-4.14.y 12cd844a af5c522d .config log report syz C
ci2-linux-4-14 2020/02/12 10:50 linux-4.14.y e0f8b8a6 af5c522d .config log report syz C
ci2-linux-4-14 2020/01/13 10:10 linux-4.14.y 6d0c334a af5c522d .config log report syz C
ci2-linux-4-14 2019/12/14 09:42 linux-4.14.y a844dc4c af5c522d .config log report syz C
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/11/05 15:22 linux-4.14.y ddef1e8e af5c522d .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci2-linux-4-14 2019/10/06 00:27 linux-4.14.y db189223 f3f7d9c8 .config log report kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com