ci2 starts bisection 2023-02-04 19:57:58.410643852 +0000 UTC m=+21643.008966356 bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7104d17c1bb9e965a873cc350941d0c232893551cfe13a8b55553198aa117f84 all runs: crashed: unregister_netdevice: waiting for DEV to become free testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8 testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 8148ffcc429b5f22eb006d217be77dc7dbd05eeb8b3536e55e45b226e2578e86 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 1h17m2.96073334s (build: 38m23.800349698s, test: 6m46.922345275s) the crash still happens on HEAD commit msg: Linux 4.14.304 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout