syzbot


WARNING: bad unlock balance in ucma_destroy_id
Status: upstream: reported syz repro on 2018/08/28 15:20
Reported-by: syzbot+4b628fcc748474003457@syzkaller.appspotmail.com
Fix commit: 7c119107 RDMA/ucma: Put a lock around every call to the rdma_cm layer
Patched on: [ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 588d, last: 33d

Cause bisection: introduced by (bisect log):

commit e1c30298ccab87151a0c4241fc5985c591598361
Author: Yishai Hadas <yishaih@mellanox.com>
Date: Thu Aug 13 15:32:07 2015 +0000

  IB/ucma: HW Device hot-removal support

Crash: BUG: bad unlock balance in mutex_unlock (log)
Repro: syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 WARNING: bad unlock balance in ucma_destroy_id syz 4 18d 284d 0/1 upstream: reported syz repro on 2019/06/27 11:05
linux-4.14 WARNING: bad unlock balance in ucma_destroy_id syz 5 19d 280d 0/1 upstream: reported syz repro on 2019/07/01 17:24

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-selinux-root 2020/02/12 08:21 upstream 359c92c0 3a75be00 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/01/13 07:58 upstream b3a987b0 3a75be00 .config log report syz
ci-upstream-kasan-gce 2019/11/09 19:30 upstream 00aff683 758cd203 .config log report syz
ci-upstream-kasan-gce 2019/08/22 22:41 upstream 5b394b2d 758cd203 .config log report syz
Crashes (44):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/02/20 19:04 upstream ca7e1fd1 81230308 .config log report syz alexandre.belloni@bootlin.com, bhelgaas@google.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux@roeck-us.net, willy@infradead.org
ci-upstream-kasan-gce-smack-root 2020/02/18 17:47 upstream b1da3acc 012fbc32 .config log report syz bhelgaas@google.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, logang@deltatee.com, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/11/30 20:04 upstream 81b6b964 3a75be00 .config log report syz danitg@mellanox.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, monis@mellanox.com, willy@infradead.org
ci-upstream-kasan-gce-smack-root 2019/11/30 15:01 upstream 81b6b964 3a75be00 .config log report syz bhelgaas@google.com, danitg@mellanox.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, willy@infradead.org
ci-upstream-kasan-gce-root 2019/11/30 09:18 upstream 81b6b964 3a75be00 .config log report syz danitg@mellanox.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, willy@infradead.org
ci-upstream-kasan-gce 2019/11/29 23:19 upstream 81b6b964 d29b9e84 .config log report syz alexandre.belloni@bootlin.com, danitg@mellanox.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, willy@infradead.org
ci-upstream-kasan-gce 2019/02/18 16:29 upstream 2fee036a 59f36113 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-selinux-root 2019/02/18 16:26 upstream 2fee036a 59f36113 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-root 2019/02/18 16:26 upstream 2fee036a 59f36113 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-smack-root 2019/02/18 16:14 upstream 2fee036a 59f36113 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-selinux-root 2019/01/04 18:28 upstream 96d4f267 0127e3ba .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-root 2019/01/04 02:57 upstream 645ff1e8 7da23925 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/01/04 02:47 upstream 645ff1e8 7da23925 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-smack-root 2019/01/04 02:11 upstream 645ff1e8 7da23925 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-smack-root 2018/10/22 04:39 upstream 467e050e ecb386fe .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2018/10/21 14:47 upstream 23469de6 ecb386fe .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-selinux-root 2018/10/20 18:05 upstream 270b77a0 ecb386fe .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2018/08/27 19:26 upstream 5b394b2d 758cd203 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com
ci-upstream-kasan-gce-root 2018/08/27 19:03 upstream 5b394b2d 758cd203 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com
ci-upstream-kasan-gce-386 2020/02/18 09:54 upstream 11a48a5a 1ce142dc .config log report syz dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux@roeck-us.net, logang@deltatee.com, willy@infradead.org
ci-upstream-kasan-gce-386 2019/11/30 14:13 upstream 81b6b964 3a75be00 .config log report syz bhelgaas@google.com, danitg@mellanox.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, logang@deltatee.com, willy@infradead.org
ci-upstream-kasan-gce-386 2019/02/18 16:16 upstream a3b22b9f 59f36113 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-386 2019/01/04 07:04 upstream 645ff1e8 7da23925 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-386 2018/10/21 06:15 upstream b0d04fb5 ecb386fe .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-386 2018/08/27 19:41 upstream 5b394b2d 758cd203 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com
ci-upstream-linux-next-kasan-gce-root 2020/03/04 09:04 linux-next c99b17ac c88c7b75 .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/12/14 07:38 linux-next 32b8acf8 5b2ca5da .config log report syz danitg@mellanox.com, dledford@redhat.com, enric.balletbo@collabora.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux@roeck-us.net, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/02/18 16:27 linux-next cb916fc5 59f36113 .config log report syz danitg@mellanox.com, dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/04 18:09 linux-next a4983672 0127e3ba .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-linux-next-kasan-gce-root 2018/10/21 20:08 linux-next 8c60c36d ecb386fe .config log report syz dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-selinux-root 2019/06/26 06:52 upstream 249155c2 0a8d1a96 .config log report danitg@mellanox.com, dledford@redhat.com, enric.balletbo@collabora.com, gustavo@embeddedor.com, jannh@google.com, jgg@ziepe.ca, kirr@nexedi.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, monis@mellanox.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-smack-root 2019/03/23 17:56 upstream a5ed1e96 a2cef203 .config log report danitg@mellanox.com, dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, shamir.rabinovitch@oracle.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-root 2019/03/17 01:05 upstream 9c7dc824 bab43553 .config log report chien.tin.tung@intel.com, danitg@mellanox.com, dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, shamir.rabinovitch@oracle.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/03/12 14:40 upstream ea295481 a71bfb62 .config log report danitg@mellanox.com, dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, shamir.rabinovitch@oracle.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/03/07 10:44 upstream f90d6448 8c085c5e .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/03/04 21:43 upstream 736706be 7c693b52 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/02/26 10:54 upstream 7d762d69 a36ecd98 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/02/22 20:48 upstream 8a61716f 6a5fcca4 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/02/11 04:41 upstream aadaa806 b4f792e4 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/02/09 17:04 upstream 46c291e2 d75f7686 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce 2019/02/01 04:20 upstream 9f789567 0e8ea0a3 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-smack-root 2019/01/04 01:24 upstream 645ff1e8 7da23925 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-root 2018/08/27 18:32 upstream 5b394b2d 758cd203 .config log report dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, parav@mellanox.com, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com
ci-upstream-linux-next-kasan-gce-root 2019/02/16 22:08 linux-next 7a92eb7c f42dee6d .config log report danitg@mellanox.com, dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, roland@purestorage.com, sean.hefty@intel.com, swise@opengridcomputing.com, xiyou.wangcong@gmail.com