bisecting fixing commit since 0cc244011f40280b78fc344d5c2aac5a0c659f77 building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9 testing commit 0cc244011f40280b78fc344d5c2aac5a0c659f77 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d1059e795d2b42772d6ecc69c02a01aafaf0cfab72ff4af833a93e0bdbafd14e run #0: crashed: general protection fault in try_to_wake_up run #1: crashed: general protection fault in try_to_wake_up run #2: crashed: general protection fault in try_to_wake_up run #3: crashed: general protection fault in try_to_wake_up run #4: crashed: general protection fault in try_to_wake_up run #5: crashed: general protection fault in try_to_wake_up run #6: crashed: general protection fault in try_to_wake_up run #7: crashed: general protection fault in try_to_wake_up run #8: crashed: general protection fault in try_to_wake_up run #9: crashed: general protection fault in try_to_wake_up run #10: crashed: general protection fault in try_to_wake_up run #11: crashed: general protection fault in try_to_wake_up run #12: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor282207343" "root@10.128.10.32:./syz-executor282207343"] run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK testing current HEAD 162b95d01320370b80cb2d5724cea4ae538ac740 testing commit 162b95d01320370b80cb2d5724cea4ae538ac740 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e3564b0764a73d9db519093b82eab271c474351e9b8d29f9d54d80e7cebe3748 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 35m7.641587454s (build: 19m48.087083855s, test: 14m49.354702428s) the crash still happens on HEAD commit msg: Linux 4.14.244 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout