syzbot


KASAN: slab-out-of-bounds Read in j1939_tp_txtimer
Status: upstream: reported C repro on 2019/12/23 14:45
Reported-by: syzbot+11d6c5c51b583bea8575@syzkaller.appspotmail.com
First crash: 59d, last: 11d

Cause bisection: introduced by (bisect log):

commit 9d71dd0c70099914fcd063135da3c580865e924c
Author: The j1939 authors <linux-can@vger.kernel.org>
Date: Mon Oct 8 09:48:36 2018 +0000

  can: add support of SAE J1939 protocol

Crash: KASAN: use-after-free Read in j1939_session_deactivate (log)
Repro: C syz .config

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-root 2020/02/01 22:36 upstream 94f2630b e30cbdae .config log report syz C
Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2019/12/20 14:15 upstream 7e0165b2 e30cbdae .config log report syz C davem@davemloft.net, kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net
ci-upstream-kasan-gce 2019/12/20 01:09 upstream 4a94c433 36650b4b .config log report syz C davem@davemloft.net, kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net
ci-upstream-linux-next-kasan-gce-root 2020/01/02 02:48 linux-next 7ddd09fc 25a0186e .config log report syz davem@davemloft.net, kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net
ci-upstream-kasan-gce 2020/02/05 13:54 upstream 6992ca0d 662cf49a .config log report davem@davemloft.net, kernel@pengutronix.de, kuba@kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net