bisecting fixing commit since 958e517f4e16952e9a2e2d58fd32d28ae4e23dda
building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9
testing commit 958e517f4e16952e9a2e2d58fd32d28ae4e23dda
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 43510e86c1790689ca5f0bc01803d82481a3748242bc8e04d89b6fe4e1d11fbe
run #0: crashed: KASAN: use-after-free Read in __queue_work
run #1: crashed: WARNING: ODEBUG bug in bt_host_release
run #2: crashed: KASAN: use-after-free Read in __queue_work
run #3: crashed: general protection fault in __queue_work
run #4: crashed: WARNING: ODEBUG bug in bt_host_release
run #5: OK
run #6: OK
run #7: OK
run #8: crashed: WARNING: ODEBUG bug in bt_host_release
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: crashed: general protection fault in __queue_work
run #19: OK
reproducer seems to be flaky
testing current HEAD c9fcc1545c3bb19f4e04b1c82bf5c2856fef39bd
testing commit c9fcc1545c3bb19f4e04b1c82bf5c2856fef39bd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: dbc4685d655787bdee3a16e71f1acfc4ec2b058f16a2b91ac6c91e7314acc19b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 29m22.245665538s (build: 15m54.466259415s, test: 12m51.148376098s)
the crash still happens on HEAD
commit msg: Linux 4.14.270
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout