syzbot


KASAN: slab-out-of-bounds Write in decode_data
Status: upstream: reported C repro on 2019/12/05 06:35
Reported-by: syzbot+fc8cd9a673d4577fb2e4@syzkaller.appspotmail.com
First crash: 609d, last: 454d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING: ODEBUG bug in corrupted (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
UBSAN: array-index-out-of-bounds in decode_data syz unreliable 2 22d 196d 0/22 closed as dup on 2021/07/19 20:22
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: slab-out-of-bounds Write in decode_data C 1 13d 529d 0/1 upstream: reported C repro on 2020/02/23 06:53
linux-4.14 KASAN: slab-out-of-bounds Write in decode_data C inconclusive 2 440d 530d 0/1 upstream: reported C repro on 2020/02/22 08:09
Patch testing requests:
Created Duration User Patch Repo Result
2021/07/19 20:20 16m paskripkin@gmail.com patch upstream OK
2021/04/24 00:14 10m alaaemadhossney.ae@gmail.com upstream report log
2021/04/15 14:08 9m alaaemadhossney.ae@gmail.com upstream report log
2020/10/11 21:05 10m anant.thazhemadam@gmail.com upstream report log

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/02/27 14:36 upstream f8788d86ab28 59b57593 .config log report syz C
ci-upstream-kasan-gce-root 2020/02/26 17:43 upstream f8788d86ab28 59b57593 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/12/07 02:42 upstream 7ada90eb9c7a 85f26751 .config log report syz C
ci-upstream-kasan-gce-root 2019/12/04 23:27 upstream 63de37476ebd b2088328 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/03/09 11:11 linux-next 770fbb32d34e 2e9971bb .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/19 02:00 linux-next b9c5ef25038d 79b211f7 .config log report syz C
ci-upstream-kasan-gce-root 2019/12/04 22:44 upstream 63de37476ebd b2088328 .config log report