syzbot


UBSAN: array-index-out-of-bounds in decode_data
Status: closed as dup on 2021/07/19 20:22
Reported-by: syzbot+70ba6cae2f44c82dcb76@syzkaller.appspotmail.com
First crash: 188d, last: 15d

Cause bisection: introduced by (bisect log) [release commit]:
commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Sep 15 21:19:32 2019 +0000

  Linux 5.3

Crash: UBSAN: undefined-behaviour in decode_data (log)
Repro: syz .config
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
KASAN: slab-out-of-bounds Write in decode_data C done error 7 446d 602d

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/07/13 18:18 upstream 7fef2edf7cc7 d4f4eca5 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/06/13 17:45 upstream 8ecfa36cd4db d4f4eca5 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/05/14 01:36 upstream 315d99318179 d4f4eca5 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/04/13 03:51 upstream 89698becf06d d4f4eca5 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/03/13 11:55 upstream f296bfd5cd04 d4f4eca5 .config log report syz
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/01/21 18:30 upstream 9791581c049c d4f4eca5 .config log report syz UBSAN: array-index-out-of-bounds in decode_data
ci-upstream-kasan-gce-selinux-root 2021/01/21 17:11 upstream 9791581c049c d4f4eca5 .config log report info UBSAN: array-index-out-of-bounds in decode_data