syzbot


KASAN: use-after-free Write in paging32_walk_addr_generic
Status: upstream: reported C repro on 2020/08/17 18:02
Reported-by: syzbot+47665dbce263479409c8@syzkaller.appspotmail.com
First crash: 247d, last: 153d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 7ba31c3f2f1ee095d8126f4d3757fc3b2bc3c838
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed Jan 29 18:15:11 2020 +0000

  Merge tag 'staging-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Crash: INFO: rcu detected stall in kvm_vcpu_ioctl (log)
Repro: C syz .config

Fix bisection: failed (bisect log)

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/08/18 10:22 upstream 06a4ec1d 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/17 12:17 upstream 9123e3a7 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/16 22:48 upstream 2cc3c4b3 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/16 20:54 upstream 2cc3c4b3 424dd8e7 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/20 13:04 linux-next 605cbf3d ed282a3a .config log report syz C
ci-upstream-kasan-gce-root 2020/08/16 20:30 upstream 2cc3c4b3 424dd8e7 .config log report