bisecting fixing commit since 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79
building syzkaller on 4c37c133e4bf703d023995535f1e264d8658e08e
testing commit 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 83aed7b43cc585f324a53dacc1c3b90e9368dff22108e3bbe4005bb49708ee93
run #0: OK
run #1: crashed: SYZFAIL: clone failed
run #2: crashed: SYZFAIL: wrong response packet
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD bbb957e1bd4a337c0d10d599d284a7475bca47cb
testing commit bbb957e1bd4a337c0d10d599d284a7475bca47cb
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: cdf4cd2455b20fa133b1adcf0343db1a754af3679f8d4aef4ae508a58fa9fcfa
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 27m59.062930823s (build: 15m6.792193911s, test: 12m27.388795953s)
the crash still happens on HEAD
commit msg: Linux 4.14.263
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout