syzbot


BUG: unable to handle kernel NULL pointer dereference in mem_serial_out
Status: closed as invalid on 2020/01/07 17:02
Reported-by: syzbot+f4f1e871965064ae689e@syzkaller.appspotmail.com
First crash: 731d, last: 718d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: no output from test machine (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
BUG: unable to handle kernel NULL pointer dereference in mem16_serial_out C done 4 718d 729d 0/22 closed as dup on 2019/12/13 09:05
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in mem_serial_out C error 3 450d 733d 0/1 upstream: reported C repro on 2019/12/05 04:54
linux-4.14 BUG: unable to handle kernel NULL pointer dereference in mem_serial_out C inconclusive 3 547d 733d 0/1 upstream: reported C repro on 2019/12/05 02:21

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 2019/12/11 00:04 upstream 6794862a16ef 5a5826a1 .config log report syz C
ci-upstream-kasan-gce-root 2019/12/10 13:50 upstream 6794862a16ef 4b83c8fb .config log report syz C
ci-upstream-kasan-gce-root 2019/12/07 02:23 upstream 7ada90eb9c7a 85f26751 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/12/07 02:15 upstream 7ada90eb9c7a 85f26751 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/19 01:34 linux-next b9c5ef25038d 79b211f7 .config log report syz C
ci-upstream-kasan-gce-root 2019/12/17 13:42 upstream ea200dec5128 d13d7958 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/20 01:54 linux-next 9f8535c5f75f 36650b4b .config log report