syzbot


KASAN: use-after-free Read in get_work_pool
Status: fixed on 2020/04/03 09:27
Reported-by: syzbot+6b501c1f0090a00786d1@syzkaller.appspotmail.com
Fix commit: b9eb60a0ef39 vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
First crash: 897d, last: 807d

Fix bisection: fixed by (bisect log) :
commit b9eb60a0ef3971101c94f9cddb09708c2f900b35
Author: Eric Biggers <ebiggers@google.com>
Date: Sun Mar 22 03:43:04 2020 +0000

  vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in get_work_pool (2) C done 2 803d 892d 0/22 closed as dup on 2020/02/24 18:36
upstream KASAN: use-after-free Read in get_work_pool syz 8 1644d 1666d 4/22 fixed on 2018/03/23 18:14

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/12/05 00:35 linux-4.14.y fbc5fe7a54d0 b2088328 .config log report syz C