bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on 7e2b734bac96c22086fedd1b18135da06d5e4054
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9756e6177c32b6aa8a5714c5cc31e43414cb67b5028649e53b7150c01aabd136
run #0: OK
run #1: crashed: SYZFAIL: failed to mkdtemp
run #2: OK
run #3: crashed: SYZFAIL: failed to mkdtemp
run #4: OK
run #5: OK
run #6: crashed: SYZFAIL: failed to mkdtemp
run #7: OK
run #8: OK
run #9: OK
run #10: crashed: SYZFAIL: failed to mkdtemp
run #11: OK
run #12: crashed: SYZFAIL: failed to mkdtemp
run #13: OK
run #14: OK
run #15: OK
run #16: crashed: SYZFAIL: failed to mkdir
run #17: crashed: SYZFAIL: failed to mkdir
run #18: OK
run #19: crashed: SYZFAIL: failed to mkdir
reproducer seems to be flaky
testing current HEAD ed99bf0e81b558df39f7db2fa96d0228be4198c6
testing commit ed99bf0e81b558df39f7db2fa96d0228be4198c6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 107055c2d89b6bb26977f1d66e0ca98c8b85836e70bd811f3e3e80ae507d13b6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 25m24.573006963s (build: 17m16.797857819s, test: 7m37.277976759s)
the crash still happens on HEAD
commit msg: Linux 4.14.250
crash: unregister_netdevice: waiting for DEV to become free
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: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b 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: hci1 command 0x041b tx timeout
Bluetooth: hci1 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: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 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: hci1 command 0x0419 tx timeout