syzbot


KASAN: global-out-of-bounds Write in record_print_text
Status: upstream: reported C repro on 2021/01/25 21:14
Reported-by: syzbot+db1faa35484efb6a54ea@syzkaller.appspotmail.com
First crash: 270d, last: 265d

Cause bisection: introduced by (bisect log) :
commit f0e386ee0c0b71ea6f7238506a4d0965a2dbef11
Author: John Ogness <john.ogness@linutronix.de>
Date: Thu Jan 14 17:04:12 2021 +0000

  printk: fix buffer overflow potential for print_text()

Crash: WARNING: bad unlock balance in ip6_output (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) [no-op commit]:
commit 38d26b244367e84ed657ac4f5093ae9e71c8a7a2
Author: Michael Walle <michael@walle.cc>
Date: Mon Dec 28 13:00:31 2020 +0000

  enetc: drop unneeded indirection

similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: slab-out-of-bounds Write in record_print_text C done unreliable 17 264d 266d 21/22 fixed on 2021/03/10 01:48

Sample crash report:

Crashes (45):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/01/23 04:57 upstream 83d09ad4b950 4080af96 .config log report syz C KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/23 04:25 upstream 83d09ad4b950 4080af96 .config log report syz C KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/21 21:25 linux-next bc085f8fc88f d4f4eca5 .config log report syz C KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/25 12:21 upstream 6ee1d745b7c9 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/25 04:10 upstream e68061375f79 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/25 04:10 upstream e68061375f79 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/24 17:32 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/24 17:32 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/24 16:58 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/24 16:58 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/24 16:53 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/24 16:52 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/24 10:16 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/24 01:44 upstream e1ae4b0be158 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/23 21:14 upstream fe75a21824e7 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/23 21:14 upstream fe75a21824e7 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/23 21:14 upstream fe75a21824e7 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/23 21:08 upstream fe75a21824e7 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/23 21:07 upstream fe75a21824e7 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/23 21:07 upstream fe75a21824e7 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/23 03:10 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/23 00:41 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/23 00:38 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/23 00:34 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/23 00:34 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/23 00:33 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/23 00:31 upstream 83d09ad4b950 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/22 10:08 upstream 9f29bd8b2e71 d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-selinux-root 2021/01/22 06:26 upstream 9f29bd8b2e71 d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/22 06:24 upstream 9f29bd8b2e71 d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-root 2021/01/22 05:13 upstream 9f29bd8b2e71 d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-smack-root 2021/01/22 03:16 upstream 9f29bd8b2e71 d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-kasan-gce-386 2021/01/22 04:44 upstream 9f29bd8b2e71 d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/27 02:22 linux-next bc085f8fc88f 55a7d4df .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/26 10:22 linux-next bc085f8fc88f 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/24 16:52 linux-next bc085f8fc88f 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/24 16:52 linux-next bc085f8fc88f 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/23 21:23 linux-next bc085f8fc88f 52e37319 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/23 00:42 linux-next bc085f8fc88f 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/23 00:33 linux-next bc085f8fc88f 4080af96 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/21 21:08 linux-next bc085f8fc88f d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/21 21:05 linux-next bc085f8fc88f d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text
ci-upstream-linux-next-kasan-gce-root 2021/01/21 21:05 linux-next bc085f8fc88f d4f4eca5 .config log report info KASAN: global-out-of-bounds Write in record_print_text