ci2 starts bisection 2022-08-20 12:51:00.202518739 +0000 UTC m=+146654.081357667 bisecting fixing commit since 5b7a52cd2eef952cee8a72512ef370bcdef46636 building syzkaller on 94942294277bf7550b12322d282159551521258b testing commit 5b7a52cd2eef952cee8a72512ef370bcdef46636 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6122765782678a93feb22f6bdac46d756b7d352e468f8886b6cc867c9eba04a6 run #0: crashed: possible deadlock in __get_super run #1: crashed: possible deadlock in __get_super run #2: crashed: possible deadlock in __get_super run #3: crashed: possible deadlock in __get_super run #4: crashed: possible deadlock in __get_super run #5: crashed: possible deadlock in __get_super run #6: crashed: possible deadlock in blkdev_put run #7: crashed: possible deadlock in __get_super run #8: crashed: possible deadlock in __get_super run #9: crashed: possible deadlock in __get_super run #10: crashed: possible deadlock in __get_super run #11: crashed: possible deadlock in __get_super run #12: crashed: possible deadlock in __get_super run #13: crashed: possible deadlock in __get_super run #14: crashed: possible deadlock in __get_super run #15: crashed: possible deadlock in __get_super run #16: crashed: possible deadlock in __get_super run #17: crashed: possible deadlock in __get_super run #18: crashed: possible deadlock in __get_super run #19: crashed: INFO: task hung in blkdev_put testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82 testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: fb3eb4698b3c4e4094adee0a7e1ec232929a8a29e44cad6cc686ac3833410d43 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 25m26.148248767s (build: 15m3.758702037s, test: 9m56.944280858s) the crash still happens on HEAD commit msg: Linux 4.14.290 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout