syzbot


WARNING: bad unlock balance in ucma_destroy_id
Status: upstream: reported syz repro on 2019/07/01 17:24
Reported-by: syzbot+22956fa835c831577177@syzkaller.appspotmail.com
First crash: 368d, last: 17d
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 17d 373d 0/1 upstream: reported syz repro on 2019/06/27 11:05
upstream WARNING: bad unlock balance in ucma_destroy_id syz cause 44 122d 676d 17/17 fixed on 2020/05/10 10:42

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-14 2020/06/16 17:15 linux-4.14.y b850307b 72bfa6f2 .config log report syz
ci2-linux-4-14 2020/05/17 16:27 linux-4.14.y ab9dfda2 72bfa6f2 .config log report syz
ci2-linux-4-14 2020/04/17 15:54 linux-4.14.y c10b57a5 72bfa6f2 .config log report syz
ci2-linux-4-14 2020/03/18 15:25 linux-4.14.y 12cd844a 72bfa6f2 .config log report syz
ci2-linux-4-14 2020/01/28 23:45 linux-4.14.y 9a95f252 4f7e1d0f .config log report syz
ci2-linux-4-14 2019/12/29 23:12 linux-4.14.y e1f7d50a 4f7e1d0f .config log report syz
Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2020/02/17 14:57 linux-4.14.y 98db2bf2 72bfa6f2 .config log report syz dledford@redhat.com, hal.rosenstock@gmail.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, sean.hefty@intel.com
ci2-linux-4-14 2019/11/29 22:32 linux-4.14.y 43598c57 4f7e1d0f .config log report syz dledford@redhat.com, hal.rosenstock@gmail.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, sean.hefty@intel.com
ci2-linux-4-14 2019/07/01 16:23 linux-4.14.y f4cc0ed9 907bf746 .config log report syz alexander.levin@microsoft.com, dledford@redhat.com, gregkh@linuxfoundation.org, gustavo@embeddedor.com, hal.rosenstock@gmail.com, jannh@google.com, jgg@mellanox.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, sean.hefty@intel.com, xiyou.wangcong@gmail.com
ci2-linux-4-14 2020/02/17 12:37 linux-4.14.y 98db2bf2 72bfa6f2 .config log report dledford@redhat.com, hal.rosenstock@gmail.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, sean.hefty@intel.com
ci2-linux-4-14 2019/11/29 20:52 linux-4.14.y 43598c57 4f7e1d0f .config log report dledford@redhat.com, hal.rosenstock@gmail.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, sean.hefty@intel.com