syzbot


KASAN: null-ptr-deref Read in refcount_sub_and_test_checked (2)
Status: upstream: reported C repro on 2018/11/14 07:18
Reported-by: syzbot+0468b73bdbb243217224@syzkaller.appspotmail.com
First crash: 224d, last: 22d

Bisection: the bug happens on the oldest tested release (bisect log)
Tree: upstream
Crash: BUG: unable to handle kernel NULL pointer dereference in vb2_vmalloc_put (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: null-ptr-deref Read in refcount_sub_and_test_checked C 31 232d 264d 12/13 fixed on 2018/11/12 21:25

Sample crash report:

All crashes (916):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce 2018/11/13 14:41 upstream ccda4af0 5f5f6d14 .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-selinux-root 2018/11/13 14:40 upstream ccda4af0 5f5f6d14 .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-root 2018/11/13 14:38 upstream ccda4af0 5f5f6d14 .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-smack-root 2018/11/13 14:38 upstream ccda4af0 5f5f6d14 .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-386 2018/11/13 16:30 upstream ccda4af0 5f5f6d14 .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-linux-next-kasan-gce-root 2018/11/13 13:54 linux-next 442b8cea 5f5f6d14 .config log report syz C kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce 2018/12/23 00:34 upstream 23203e3f e3bd7ab8 .config log report kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-selinux-root 2018/12/21 07:26 upstream 9097a058 2b497001 .config log report kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-smack-root 2018/12/13 07:49 upstream f5d58277 02613a41 .config log report kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-kasan-gce-root 2018/12/10 08:56 upstream 0844895a 96cc4c50 .config log report linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org
ci-upstream-kasan-gce-386 2018/12/19 06:33 upstream ddfbab46 4edaba93 .config log report kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-net-this-kasan-gce 2019/06/03 20:46 net afa0925c 63bf051f .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2019/06/03 19:44 net afa0925c 63bf051f .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, tglx@linutronix.de, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/06/03 00:44 net 8c268598 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, stefan@datenfreihafen.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2019/06/02 20:22 net e8d67fa5 53c81ea5 .config log report allison@lohutok.net, andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2019/06/02 17:56 net e8d67fa5 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, tglx@linutronix.de, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/06/02 15:05 net e8d67fa5 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2019/06/01 17:12 net e8d67fa5 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, tglx@linutronix.de, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/06/01 07:20 net e8d67fa5 53c81ea5 .config log report allison@lohutok.net, andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2019/06/01 05:26 net e8d67fa5 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2019/05/31 16:08 net 100f6d8e 142ce681 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/31 05:00 net 4b280531 d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/31 01:57 net 4b280531 d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2019/05/30 17:12 net 58e8b370 d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/30 15:23 net 58e8b370 d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/29 22:31 net a6cd0d2d 5457ef34 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/29 20:23 net a6cd0d2d 5457ef34 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, stefan@datenfreihafen.org
ci-upstream-net-this-kasan-gce 2019/05/29 08:31 net a6cd0d2d 6bd61501 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/29 02:29 net d484e06e 6bd61501 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/28 09:17 net 3e66b7cc 6bd61501 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2019/05/28 06:35 net 3e66b7cc 6bd61501 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/28 04:28 net 3e66b7cc 6bd61501 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/27 23:11 net 3e66b7cc 6bd61501 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/27 19:50 net 3e66b7cc 562efd79 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/27 18:09 net 3e66b7cc 562efd79 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/27 08:11 net 33403121 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/27 05:59 net 33403121 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/26 14:08 net f4bcf14e 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-net-this-kasan-gce 2019/05/26 12:40 net f4bcf14e 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2019/05/26 08:17 net f4bcf14e 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2019/05/26 00:12 net 4097e9d2 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2019/05/25 23:02 net 4097e9d2 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-this-kasan-gce 2019/05/25 13:25 net ce8d24f9 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2019/05/25 07:37 net ce8d24f9 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-this-kasan-gce 2019/05/24 21:45 net ce8d24f9 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-net-this-kasan-gce 2019/05/24 13:17 net b5730061 0dadcd9d .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-net-this-kasan-gce 2019/05/24 07:14 net b5730061 0dadcd9d .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com
ci-upstream-net-kasan-gce 2019/06/01 12:03 net-next c9bb6165 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2019/06/01 08:29 net-next c9bb6165 53c81ea5 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org, willemb@google.com
ci-upstream-net-kasan-gce 2019/05/31 10:08 net-next 517f4c49 d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, stefan@datenfreihafen.org
ci-upstream-net-kasan-gce 2019/05/30 20:13 net-next 517f4c49 d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-net-kasan-gce 2019/05/30 10:24 net-next 7da33a8f d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-kasan-gce 2019/05/30 09:20 net-next 7da33a8f d9aaf3c2 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-kasan-gce 2019/05/29 18:42 net-next 36f18439 5457ef34 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, mkl@pengutronix.de, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-kasan-gce 2019/05/26 16:50 net-next 22942498 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, willemb@google.com
ci-upstream-net-kasan-gce 2019/05/25 21:46 net-next 22942498 85c57315 .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, nhorman@tuxdriver.com, stefan@datenfreihafen.org
ci-upstream-net-kasan-gce 2019/05/24 09:36 net-next 16fa1cf1 0dadcd9d .config log report andrew.hendry@gmail.com, arnd@arndb.de, davem@davemloft.net, edumazet@google.com, linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, ms@dev.tdt.de, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-linux-next-kasan-gce-root 2018/11/13 11:16 linux-next 442b8cea 5f5f6d14 .config log report kyungmin.park@samsung.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, m.szyprowski@samsung.com, mchehab@kernel.org, pawel@osciak.com
ci-upstream-linux-next-kasan-gce-root 2018/12/07 03:47 linux-next 442b8cea dcf836b1 .config log report linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org