ci2 starts bisection 2023-01-20 07:24:37.394661883 +0000 UTC m=+43794.753714893 bisecting fixing commit since 5b7a52cd2eef952cee8a72512ef370bcdef46636 building syzkaller on 94942294277bf7550b12322d282159551521258b ensuring issue is reproducible on original commit 5b7a52cd2eef952cee8a72512ef370bcdef46636 testing commit 5b7a52cd2eef952cee8a72512ef370bcdef46636 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: a33982d74280fbea7737bd5db25c7ec622186e87b58d9e43f90cd82e76c3a5a7 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 blkdev_put run #4: crashed: possible deadlock in __get_super run #5: crashed: possible deadlock in blkdev_put run #6: crashed: possible deadlock in __get_super 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: INFO: task hung in blkdev_put run #19: crashed: INFO: task hung in blkdev_put testing current HEAD 97205fccccdc5c145b77c434135ee8429b03ed98 testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 9359c8feddfee08f4f7970992a985d42e82bd9687117426dd64e5f1aed1a4585 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 27m44.67661568s (build: 15m9.085954195s, test: 10m26.790604471s) the crash still happens on HEAD commit msg: Linux 4.14.303 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 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: hci3 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci0 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 Bluetooth: hci1 command 0x0419 tx timeout