ci2 starts bisection 2022-11-19 07:55:07.798340566 +0000 UTC m=+103676.125078030
bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
ensuring issue is reproducible on original commit 6b6446efedb27c2766745a04f9b5d4449f51391d

testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e3fbe18d3d57f6633983bfac3c5ea9aedeb36c595e828584eb5a24abf90bd506
run #0: crashed: possible deadlock in __get_super
run #1: crashed: possible deadlock in blkdev_put
run #2: crashed: possible deadlock in __get_super
run #3: crashed: possible deadlock in __get_super
run #4: crashed: possible deadlock in blkdev_put
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: INFO: task hung in blkdev_put
run #17: crashed: INFO: task hung in blkdev_put
run #18: crashed: INFO: task hung in blkdev_put
run #19: crashed: INFO: task hung in blkdev_put
testing current HEAD e911713e40ca73142b455ccfde2d7c0b0984c008
testing commit e911713e40ca73142b455ccfde2d7c0b0984c008 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 76cc062c33196d11d70e9422eda72af6a1b3bf3e15e18cbfff43ee8290a6ef7c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m28.288517291s (build: 19m36.584644963s, test: 10m2.344693333s)
the crash still happens on HEAD
commit msg: Linux 4.14.299
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout