syzbot


KASAN: use-after-free Read in ext4_xattr_set_entry (3)
Status: upstream: reported on 2020/03/09 05:43
Reported-by: syzbot+15fbdaa8666ea08754f4@syzkaller.appspotmail.com
First crash: 148d, last: 30d
similar bugs (9):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 KASAN: use-after-free Read in ext4_xattr_set_entry (2) 6 277d 333d 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 134d 134d 0/1 auto-closed as invalid on 2020/07/21 03:20
linux-4.19 KASAN: use-after-free Read in ext4_xattr_set_entry (2) 2 43d 53d 0/1 upstream: reported on 2020/06/11 12:57
upstream KASAN: use-after-free Read in ext4_xattr_set_entry 1 738d 738d 0/17 closed as invalid on 2018/07/29 11:55
android-414 KASAN: use-after-free Read in ext4_xattr_set_entry 4 585d 478d 0/1 auto-closed as invalid on 2019/06/26 01:15
linux-4.19 KASAN: use-after-free Read in ext4_xattr_set_entry syz fix 10 157d 405d 1/1 fixed on 2020/03/30 09:03
upstream KASAN: use-after-free Read in ext4_xattr_set_entry (2) C cause 19 231d 640d 16/17 fixed on 2020/02/14 01:19
android-54 KASAN: use-after-free Read in ext4_xattr_set_entry 5 32d 178d 0/1 upstream: reported on 2020/02/07 21:52
linux-4.14 KASAN: use-after-free Read in ext4_xattr_set_entry C fix 9 185d 277d 1/1 fixed on 2020/03/01 21:06

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2020/07/05 08:31 upstream 7cc2a8ea 51095195 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-selinux-root 2020/06/29 19:26 upstream 4e99b321 a2cdad9d .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-smack-root 2020/04/28 06:57 upstream 51184ae3 0ce7569e .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-root 2020/03/08 14:27 upstream c2003765 2e9971bb .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu