syzbot


general protection fault in put_pid
Status: fixed on 2019/11/08 07:00
Reported-by: syzbot+1145ec2e23165570c3ac@syzkaller.appspotmail.com
Fix commit: a8e911d13540 x86_64: increase stack size for KASAN_EXTRA
First crash: 1148d, last: 1079d

Cause bisection: introduced by (bisect log) :
commit b9b8a41adeff5666b402996020b698504c927353
Author: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon Aug 20 08:25:33 2018 +0000

  btrfs: use after free in btrfs_quota_enable

Crash: kernel panic: corrupted stack end in wb_workfn (log)
Repro: syz .config

Fix bisection: fixed by (bisect log) :
commit a8e911d13540487942d53137c156bd7707f66e5d
Author: Qian Cai <cai@lca.pw>
Date: Fri Feb 1 22:20:20 2019 +0000

  x86_64: increase stack size for KASAN_EXTRA


Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2018/12/11 18:50 upstream f5d582777bcb 7795ae03 .config log report syz
ci-upstream-kasan-gce 2018/12/21 10:18 upstream 9097a058d49e 2b497001 .config log report
ci-upstream-kasan-gce 2018/10/13 10:09 upstream bab5c80b2110 caf12900 .config log report