syzbot


KASAN: use-after-free Read in ext4_xattr_set_entry
Status: upstream: reported on 2020/02/07 21:52
Reported-by: syzbot+1f3e2a866557e7c87db9@syzkaller.appspotmail.com
First crash: 58d, last: 55d
similar bugs (8):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 KASAN: use-after-free Read in ext4_xattr_set_entry (2) 6 158d 213d 0/1 auto-closed as invalid on 2020/02/28 13:35
linux-4.14 KASAN: use-after-free Read in ext4_xattr_set_entry (2) 1 14d 14d 0/1 upstream: reported on 2020/03/23 03:20
upstream KASAN: use-after-free Read in ext4_xattr_set_entry 1 619d 619d 0/17 closed as invalid on 2018/07/29 11:55
android-414 KASAN: use-after-free Read in ext4_xattr_set_entry 4 465d 358d 0/1 auto-closed as invalid on 2019/06/26 01:15
upstream KASAN: use-after-free Read in ext4_xattr_set_entry (3) 1 29d 28d 0/17 upstream: reported on 2020/03/09 05:43
linux-4.19 KASAN: use-after-free Read in ext4_xattr_set_entry syz fix 10 37d 285d 1/1 fixed on 2020/03/30 09:03
upstream KASAN: use-after-free Read in ext4_xattr_set_entry (2) C cause 19 112d 521d 16/17 fixed on 2020/02/14 01:19
linux-4.14 KASAN: use-after-free Read in ext4_xattr_set_entry C fix 9 66d 158d 1/1 fixed on 2020/03/01 21:06

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-android-5-4-kasan 2020/02/11 02:27 android-5.4 2d40d7b3 d9e55b05 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci2-android-5-4-kasan 2020/02/07 21:51 android-5.4 9204f620 06150bf1 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu