bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on bc5434be1a615eca6d901c20b026712bd9697fd4
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 24bc3719972001fe9868cd6cda69165961329c73ec6d0742b07990d08aee07eb
run #0: OK
run #1: crashed: SYZFAIL: failed to mkdtemp
run #2: crashed: SYZFAIL: failed to mkdtemp
run #3: OK
run #4: OK
run #5: crashed: SYZFAIL: failed to mkdtemp
run #6: crashed: SYZFAIL: failed to mkdtemp
run #7: OK
run #8: crashed: SYZFAIL: failed to mkdtemp
run #9: crashed: SYZFAIL: failed to mkdtemp
run #10: OK
run #11: crashed: SYZFAIL: failed to mkdtemp
run #12: crashed: SYZFAIL: failed to mkdtemp
run #13: OK
run #14: crashed: SYZFAIL: failed to mkdir
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 60838685d004ffa8ffc63dbaa3a4fb02ba55cd31a744da05ed0602cdadf05897
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 22m37.832941459s (build: 14m39.266036366s, test: 7m38.027428594s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
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: hci0 command 0x0409 tx timeout
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 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout