bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on 7e2b734bac96c22086fedd1b18135da06d5e4054
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 with gcc (GCC) 8.4.1 20210217
kernel signature: 0660ff4c4664c9125cb5734fc92562884660193799f54fd3a16e3f16d5d4473d
run #0: crashed: SYZFAIL: failed to mkdtemp
run #1: crashed: SYZFAIL: failed to mkdtemp
run #2: crashed: SYZFAIL: failed to mkdtemp
run #3: OK
run #4: OK
run #5: OK
run #6: crashed: SYZFAIL: failed to mkdtemp
run #7: OK
run #8: OK
run #9: crashed: SYZFAIL: failed to mkdtemp
run #10: OK
run #11: OK
run #12: OK
run #13: crashed: SYZFAIL: failed to mkdtemp
run #14: crashed: SYZFAIL: failed to mkdtemp
run #15: OK
run #16: OK
run #17: crashed: SYZFAIL: failed to mkdir
run #18: crashed: SYZFAIL: failed to mkdir
run #19: OK
reproducer seems to be flaky
testing current HEAD 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: b07b7ddb09e9394fe32fb5a3c7f29f5ea7a13fbf725b8a3fae616fb516605bab
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 24m4.717773268s (build: 16m7.030939302s, test: 7m25.609193028s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 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: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 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: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout