bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on ad61f3714f0a5e8f7ce062d54f310df1f5e0d351
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f18d9fc508d577c33092330202c451b65ef7b9633e385163a2e2dff91748dcf3
run #0: crashed: SYZFAIL: mmap of input file failed
run #1: crashed: SYZFAIL: mmap of input file failed
run #2: crashed: SYZFAIL: mmap of input file failed
run #3: crashed: SYZFAIL: mmap of input file failed
run #4: crashed: SYZFAIL: mmap of input file failed
run #5: crashed: SYZFAIL: mmap of input file failed
run #6: crashed: SYZFAIL: mmap of input file failed
run #7: crashed: SYZFAIL: mmap of input file failed
run #8: crashed: SYZFAIL: mmap of input file failed
run #9: crashed: SYZFAIL: mmap of input file failed
run #10: crashed: SYZFAIL: mmap of input file failed
run #11: crashed: SYZFAIL: mmap of input file failed
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 690285a9380d183e6d286d90e458fa7c3f97eca2
testing commit 690285a9380d183e6d286d90e458fa7c3f97eca2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b281315598874b5a6418e9a00504bbf7f80863d36fa12ed7dd388f1eac080933
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 32m52.142275854s (build: 20m12.403753258s, test: 12m12.647909863s)
the crash still happens on HEAD
commit msg: Linux 4.14.279
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: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout