syzbot


KASAN: user-memory-access Read in insert_char
Status: closed as dup on 2020/08/16 01:40
Reported-by: syzbot+6ff38b320aa51ebe17e6@syzkaller.appspotmail.com
First crash: 718d, last: 578d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in insert_char (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in do_con_write C done 10703 489d 725d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: user-memory-access Read in insert_char C done 2 505d 718d 1/1 fixed on 2020/08/10 10:36
linux-4.14 KASAN: user-memory-access Read in insert_char C error 1 538d 718d 0/1 upstream: reported C repro on 2019/12/10 18:41

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/12/11 13:28 upstream 6794862a16ef 101194eb .config log report syz C
ci-upstream-kasan-gce-root 2019/12/11 07:24 upstream 6794862a16ef 101194eb .config log report syz C
ci-upstream-kasan-gce 2019/12/10 17:59 upstream 6794862a16ef 5a5826a1 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/23 14:58 linux-next 7ddd09fc4b74 be5c2c81 .config log report syz C
ci-upstream-kasan-gce 2020/04/28 19:55 upstream 3f777e19d171 e3ecea2e .config log report
ci-upstream-kasan-gce-root 2020/01/16 13:17 upstream f5ae2ea6347a 3de7aabb .config log report
ci-upstream-kasan-gce-root 2020/01/14 20:14 upstream e033e7d4a808 fa12bd3c .config log report
ci-upstream-kasan-gce 2019/12/17 17:20 upstream ea200dec5128 a6bc9c88 .config log report
ci-upstream-kasan-gce 2019/12/16 17:24 upstream 510c9788991c b80769fc .config log report
ci-upstream-kasan-gce 2019/12/14 09:54 upstream e31736d9fae8 eef6e580 .config log report
ci-upstream-kasan-gce 2019/12/14 09:34 upstream e31736d9fae8 eef6e580 .config log report
ci-upstream-kasan-gce 2019/12/10 15:37 upstream 6794862a16ef 5a5826a1 .config log report