syzbot


KASAN: use-after-free Write in __ext4_expand_extra_isize
Status: upstream: reported on 2019/07/23 02:57
Reported-by: syzbot+ae92ca7e152af41e7cf9@syzkaller.appspotmail.com
First crash: 114d, last: 3d07h
similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Write in __ext4_expand_extra_isize C 95 199d 591d 13/14 fixed on 2019/06/14 18:22
linux-4.19 KASAN: use-after-free Write in __ext4_expand_extra_isize 6 5d00h 52d 0/1 upstream: reported on 2019/09/23 06:27
upstream KASAN: use-after-free Write in __ext4_expand_extra_isize (2) 14 7d11h 24d 0/14 upstream: reported on 2019/10/21 05:23
android-414 KASAN: use-after-free Write in __ext4_expand_extra_isize 60 4d22h 215d 0/1 public: reported on 2019/04/13 00:01

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/07/23 01:56 linux-4.14.y ff33472c 55e0c077 .config log report
ci2-linux-4-14 2019/11/11 14:12 linux-4.14.y c9fda4f2 dc438b91 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/10/19 15:26 linux-4.14.y b98aebd2 8c88c9c1 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/10/18 04:38 linux-4.14.y b98aebd2 8c88c9c1 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/10/14 03:27 linux-4.14.y e132c8d7 2f661ec4 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/10/04 22:52 linux-4.14.y f6e27dbb c86336cf .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/10/02 09:09 linux-4.14.y f6e27dbb b7a87a83 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/09/30 04:16 linux-4.14.y f6e27dbb c1ad5441 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/09/15 16:52 linux-4.14.y e2cd24b6 32d59357 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/09/10 09:04 linux-4.14.y 414510bc a60cb4cd .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-linux-4-14 2019/09/04 03:06 linux-4.14.y 01fd1694 526709ff .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu