bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on 7e2b734bac96c22086fedd1b18135da06d5e4054
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6a15c7ac517e246ee2e431842573a2aadf274fd21b2e840c9dee45e812f04f55
run #0: crashed: SYZFAIL: failed to mkdtemp
run #1: OK
run #2: OK
run #3: crashed: SYZFAIL: failed to mkdtemp
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: crashed: SYZFAIL: failed to mkdtemp
run #9: crashed: SYZFAIL: failed to mkdir
run #10: crashed: SYZFAIL: failed to mkdir
run #11: OK
run #12: OK
run #13: OK
run #14: crashed: SYZFAIL: failed to mkdir
run #15: crashed: SYZFAIL: failed to mkdir
run #16: OK
run #17: OK
run #18: crashed: SYZFAIL: failed to mkdir
run #19: crashed: SYZFAIL: failed to mkdir
reproducer seems to be flaky
testing current HEAD fa33f9094f36943ea32f7fbe323293b62e96151d
testing commit fa33f9094f36943ea32f7fbe323293b62e96151d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b56bf72c4edad7d913322ad578fd793e4b3f3eacc6793616f8a02eed875f4077
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 23m46.659385637s (build: 15m39.640410105s, test: 7m31.074213218s)
the crash still happens on HEAD
commit msg: Linux 4.14.268
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout