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: 204d, last: 10d

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 2020/05/20 22:52 upstream b85051e7 e30cbdae .config log report syz C
ci-upstream-kasan-gce-root 2020/04/20 22:15 upstream ae83d0b4 e30cbdae .config log report syz C
ci-upstream-kasan-gce-root 2020/03/16 08:54 upstream fb33c651 e30cbdae .config log report syz C
ci-upstream-kasan-gce-root 2020/02/01 22:36 upstream 94f2630b e30cbdae .config log report syz C
Crashes (7):
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-kasan-gce-smack-root 2020/03/21 21:40 upstream 5ad0ec0b 4288d95e .config log report syz 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
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-smack-root 2020/06/30 09:29 upstream 4e99b321 a2cdad9d .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
ci-upstream-kasan-gce-root 2020/06/27 23:51 upstream 1590a2e1 ffec44b5 .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
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