bisecting fixing commit since 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79
building syzkaller on 4c37c133e4bf703d023995535f1e264d8658e08e
testing commit 3242aa3a635c0958671ee1e4b0958dcc7c4e5c79 with gcc (GCC) 8.4.1 20210217
kernel signature: 3d36078624cb2d2b6cb4928c6cb6f0e05b58d1fbfb871df8a77ac40d98330b40
run #0: crashed: SYZFAIL: wrong response packet
run #1: crashed: SYZFAIL: wrong response packet
run #2: crashed: SYZFAIL: mmap of data segment failed
run #3: crashed: SYZFAIL: wrong response packet
run #4: crashed: SYZFAIL: clone failed
run #5: crashed: SYZFAIL: clone failed
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: crashed: SYZFAIL: clone failed
run #11: OK
run #12: crashed: SYZFAIL: wrong response packet
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 96afcb20f36f07683aaa342e592ea8ec76fd1fa6
testing commit 96afcb20f36f07683aaa342e592ea8ec76fd1fa6 with gcc (GCC) 8.4.1 20210217
kernel signature: 3e44e0a063a332de2b4e8015b51fc86dff48bf55187cc06a72e15753b318df4d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 34m29.774483492s (build: 21m27.645642673s, test: 12m38.14827203s)
the crash still happens on HEAD
commit msg: Linux 4.14.233
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout