bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 06c27ff56b460864b5195bc0668d1d582df3cbf8
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 with gcc (GCC) 8.4.1 20210217
kernel signature: 7d4fc852eec8f60967620d00632562a74fd8f997b1c90ce16a7df76c09b76ab0
run #0: crashed: general protection fault in kobject_uevent
run #1: crashed: general protection fault in kobject_uevent
run #2: crashed: general protection fault in kobject_uevent
run #3: crashed: general protection fault in kobject_uevent
run #4: crashed: general protection fault in kobject_uevent
run #5: crashed: general protection fault in kobject_uevent
run #6: crashed: general protection fault in kobject_uevent
run #7: crashed: general protection fault in kobject_uevent
run #8: crashed: general protection fault in kobject_uevent
run #9: crashed: general protection fault in kobject_uevent
run #10: crashed: general protection fault in kobject_uevent
run #11: crashed: general protection fault in kobject_uevent
run #12: crashed: general protection fault in kobject_uevent
run #13: crashed: general protection fault in kobject_uevent
run #14: crashed: general protection fault in kobject_uevent
run #15: crashed: general protection fault in kobject_uevent
run #16: crashed: general protection fault in kobject_uevent
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: 2013d9a908bb6b7d594a66cc1e7682b4c420501ffe07270bad6b437ac9a1cfd1
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m45.535180806s (build: 16m41.967133869s, test: 14m39.068231063s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout