ci2 starts bisection 2023-02-25 12:31:45.334395876 +0000 UTC m=+94730.010583496
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: 6fb5cb39edb87048bdd5100fd71fc3dc11cc4ccdfa798646a0100c5cd330c8d9
run #0: crashed: INFO: task hung in lo_release
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 corrupted
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_release
run #8: crashed: INFO: task hung in lo_open
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_release
run #13: crashed: INFO: task hung in loop_control_ioctl
run #14: crashed: INFO: task hung in __blkdev_get
run #15: crashed: INFO: task hung in loop_control_ioctl
run #16: crashed: INFO: task hung in lo_release
run #17: crashed: INFO: task hung in lo_open
run #18: crashed: INFO: task hung in lo_release
run #19: crashed: INFO: task hung in lo_open
testing current HEAD 7878a41b6cc1ada4bb804eee96beb2c54322806c
testing commit 7878a41b6cc1ada4bb804eee96beb2c54322806c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: eeffe2997ef68332142de2ba9caada34085bfb2ccc5b8a4d1c6e8f1d3d378549
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 32m44.832465845s (build: 20m4.010574853s, test: 10m13.225778791s)
the crash still happens on HEAD
commit msg: Linux 4.14.307
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1