ci2 starts bisection 2022-08-23 02:19:41.678598363 +0000 UTC m=+367975.557437260 bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on ed7d41c582d6f194ff35353d8bfdf7681dc0718e testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3760e419049d31450040873bfa8e941f31431c037a2f2cdf0125e114bb2316a3 run #0: crashed: INFO: task hung in lo_release run #1: crashed: INFO: task hung in lo_open run #2: crashed: INFO: task hung in lo_open run #3: crashed: INFO: task hung in lo_release run #4: crashed: INFO: task hung in lo_release run #5: crashed: INFO: task hung in lo_release run #6: crashed: INFO: task hung in lo_release run #7: crashed: INFO: task hung in lo_open run #8: crashed: INFO: task hung in lo_open run #9: crashed: INFO: task hung in lo_open run #10: crashed: INFO: task hung in lo_open run #11: crashed: INFO: task hung in lo_open run #12: crashed: INFO: task hung in lo_open run #13: crashed: INFO: task hung in lo_open run #14: crashed: INFO: task hung in lo_release run #15: crashed: INFO: task hung in lo_release run #16: crashed: INFO: task hung in lo_open run #17: crashed: INFO: task hung in lo_release run #18: crashed: INFO: task hung in lo_open run #19: crashed: INFO: task hung in lo_open testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82 testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: fa33e897a91cc0f5d9fd5129cef0412461284173992a1aefcd8293fbdf220ea7 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 32m24.678042888s (build: 21m11.113165696s, test: 10m26.574557994s) the crash still happens on HEAD commit msg: Linux 4.14.290 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout