syzbot


possible deadlock in usb_deregister_dev (2)
Status: upstream: reported C repro on 2019/09/16 16:09
Reported-by: syzbot+f9549f5ee8a5416f0b95@syzkaller.appspotmail.com
Fix commit: 33a78132 USB: legousbtower: fix deadlock on disconnect
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-kmsan-gce ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce]
First crash: 36d, last: 8d07h
duplicates (1):
Title Repro Bisected Count Last Reported Patched Status
possible deadlock in tower_open 928 8d08h 36d 0/14 closed as dup on 2019/09/19 08:24
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream possible deadlock in usb_deregister_dev C 82 71d 78d 13/14 fixed on 2019/09/06 20:45

Sample crash report:

Crashes (956):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-upstream-usb 2019/09/16 21:41 https://github.com/google/kasan.git usb-fuzzer f0df5c1b 51ca0454 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/09/26 21:42 https://github.com/google/kasan.git usb-fuzzer 2994c077 2f1548bc .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/09/26 21:05 https://github.com/google/kasan.git usb-fuzzer 2994c077 2f1548bc .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/09/21 05:09 https://github.com/google/kasan.git usb-fuzzer e0bd8d79 d96e88f3 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/09/17 01:34 https://github.com/google/kasan.git usb-fuzzer f0df5c1b 51ca0454 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/09/16 22:41 https://github.com/google/kasan.git usb-fuzzer f0df5c1b 51ca0454 .config log report syz C gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/09/16 11:23 https://github.com/google/kasan.git usb-fuzzer f0df5c1b 55c50e70 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 11:21 https://github.com/google/kasan.git usb-fuzzer 58d5f26a a6aef847 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 09:11 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 07:20 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 04:38 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 02:53 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 01:46 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/14 00:35 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 22:30 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 20:42 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 19:24 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 16:56 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 15:55 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 12:52 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 10:17 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 2f661ec4 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 08:23 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 04:35 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 02:54 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/13 01:12 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 22:54 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 21:59 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 20:04 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 18:07 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 14:54 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 12:20 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 11:03 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 09:53 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 07:46 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 06:34 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 05:23 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/12 01:24 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 23:17 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 18:07 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 16:05 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 426631dd .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 12:38 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 10:54 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 08:46 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 06:42 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 04:37 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 02:43 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 01:40 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/11 00:06 https://github.com/google/kasan.git usb-fuzzer 58d5f26a 1a3bad90 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 20:20 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 18:06 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 17:06 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 15:21 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 14:07 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 12:41 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb 2019/10/10 10:15 https://github.com/google/kasan.git usb-fuzzer 58d5f26a d52eff28 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu