ci2 starts bisection 2022-07-21 19:24:03.173612595 +0000 UTC m=+42860.058955327 bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892 building syzkaller on 3cd800e43d452c348a66ba475143831d94969a24 testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 5b6b1022532efb3a406225f94b7b7beff76c4119e7d863542a474ad81f7ab77b all runs: crashed: unregister_netdevice: waiting for DEV to become free testing current HEAD 9c3bf9cf362ffbe802784ab907bee7a6445df1b9 testing commit 9c3bf9cf362ffbe802784ab907bee7a6445df1b9 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 51d5f20cf5539ecaeec4809a286600e83536bb7e6e928023901884838f451b08 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 25m49.330463013s (build: 18m15.153342573s, test: 7m0.21218552s) the crash still happens on HEAD commit msg: Linux 4.14.289 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout