ci2 starts bisection 2022-09-19 15:57:40.234850581 +0000 UTC m=+14884.600711250 bisecting fixing commit since 5b7a52cd2eef952cee8a72512ef370bcdef46636 building syzkaller on 94942294277bf7550b12322d282159551521258b testing commit 5b7a52cd2eef952cee8a72512ef370bcdef46636 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f5f8e116a60af721ae9c9a27bdc9bc87db7f0d1e48cfeedeb98e093f81e3e42c run #0: crashed: possible deadlock in __get_super run #1: crashed: possible deadlock in blkdev_put run #2: crashed: possible deadlock in blkdev_put 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 __get_super run #7: crashed: possible deadlock in blkdev_put 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 blkdev_put run #13: crashed: possible deadlock in __get_super run #14: crashed: possible deadlock in __get_super run #15: crashed: possible deadlock in blkdev_put run #16: crashed: possible deadlock in __get_super run #17: crashed: possible deadlock in blkdev_put run #18: crashed: INFO: task hung in blkdev_put run #19: crashed: INFO: task hung in blkdev_put testing current HEAD 5df8b473517762e16c5a97c25941897640926a63 testing commit 5df8b473517762e16c5a97c25941897640926a63 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ff42d985d69b2b001dd15a0d17c5dfcdfdb5c0c0022de276adb3895f749d5d81 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 34m11.630068738s (build: 22m51.975588113s, test: 10m50.696278262s) the crash still happens on HEAD commit msg: Linux 4.14.293 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 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: hci0 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout