syzbot


KASAN: use-after-free Read in refcount_sub_and_test_checked (2)
Status: upstream: reported syz repro on 2019/01/02 11:26
Reported-by: syzbot+b0775615fa4c4479b691@syzkaller.appspotmail.com
First crash: 1023d, last: 613d

Cause bisection: introduced by (bisect log) :
commit cd67d3272768aa3f44c0f7cc71b82a112dce01fa
Author: Aisheng Dong <aisheng.dong@nxp.com>
Date: Thu Jan 24 13:22:49 2019 +0000

  clk: imx: scu: add fallback compatible string support

Crash: KASAN: use-after-free Write in _free_event (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in refcount_sub_and_test_checked 3 1172d 1174d 9/22 fixed on 2018/08/08 18:10

Sample crash report:

Crashes (10):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2019/04/19 03:44 upstream 6d906f998179 b0e8efcb .config log report syz
ci-upstream-net-this-kasan-gce 2019/02/20 15:49 net 1765f5dcd009 c95f0707 .config log report
ci-upstream-net-this-kasan-gce 2019/01/31 05:53 net e15aa3b2b138 aa432daf .config log report
ci-upstream-net-kasan-gce 2019/03/03 02:15 net-next cf29576fee60 1c0e457a .config log report
ci-upstream-net-kasan-gce 2019/02/14 13:29 net-next d4b242a7884f 6a46f448 .config log report
ci-upstream-net-kasan-gce 2019/01/27 11:21 net-next a4b829949326 c73f090a .config log report
ci-upstream-net-kasan-gce 2019/01/26 10:32 net-next f859a4484703 c73f090a .config log report
ci-upstream-net-kasan-gce 2019/01/19 09:29 net-next f04d402f2f00 2103a236 .config log report
ci-upstream-net-kasan-gce 2018/12/30 21:00 net-next b71acb0e3721 9942de5f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/15 16:59 linux-next 7a92eb7cc1dc f6f233c0 .config log report