ci2 starts bisection 2023-01-25 02:49:12.33511473 +0000 UTC m=+133243.315698121 bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207 building syzkaller on ed7d41c582d6f194ff35353d8bfdf7681dc0718e ensuring issue is reproducible on original commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b936656597ddcf61f58286928ab2b1365321f1ae6c9ebd12a69203152805f549 run #0: crashed: INFO: task hung in __blkdev_get run #1: crashed: INFO: task hung in blkdev_reread_part run #2: crashed: INFO: task hung in __blkdev_get run #3: crashed: INFO: task hung in lo_open run #4: crashed: INFO: task hung in lo_open run #5: crashed: INFO: task hung in lo_open run #6: crashed: INFO: task hung in lo_open run #7: crashed: INFO: task hung in lo_open run #8: crashed: INFO: task hung in lo_release run #9: crashed: INFO: task hung in lo_release 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_open run #15: crashed: INFO: task hung in lo_open run #16: crashed: INFO: task hung in lo_open run #17: crashed: INFO: task hung in lo_open run #18: crashed: INFO: task hung in lo_open run #19: crashed: INFO: task hung in lo_open testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8 testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7acdd2b580d0fe1044aa36478fc2976df6de77b64e47f22866b4ea8bac4d9ed4 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 30m12.636640758s (build: 16m51.006996439s, test: 10m12.637931267s) the crash still happens on HEAD commit msg: Linux 4.14.304 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout