bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 06c27ff56b460864b5195bc0668d1d582df3cbf8
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c4f52967f0c5ff99ce556594132e5eed07574f5dc880a2acec827af0225b19f8
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: crashed: general protection fault in kobject_uevent
run #18: OK
run #19: OK
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c9255591ba8126ea003ccfde3746704af9315febbe9522c796bf1d8b2aa50fcb
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m48.319274841s (build: 14m44.819565615s, test: 14m38.401837584s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout