ci2 starts bisection 2022-09-22 02:56:07.120729072 +0000 UTC m=+17453.060858966
bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on ed7d41c582d6f194ff35353d8bfdf7681dc0718e
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 905cec428e4a136ff159b05d125adc31109147dc4d885d237810a7838828b06a
run #0: crashed: INFO: task hung in lo_open
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_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 blkdev_reread_part
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_open
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_open
run #18: crashed: INFO: task hung in loop_control_ioctl
run #19: crashed: INFO: task hung in lo_open
testing current HEAD 4edbf74132a4c9b78dc2ee61d31abef15200a781
testing commit 4edbf74132a4c9b78dc2ee61d31abef15200a781 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: efb9d05250e1757dc46b26306d58251aeafdd6dd6de112350d866a55a255c2f2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 32m3.645734768s (build: 20m41.960877657s, test: 10m51.856389191s)
the crash still happens on HEAD
commit msg: Linux 4.14.294
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 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: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 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