ci2 starts bisection 2023-01-19 22:02:57.238802385 +0000 UTC m=+10094.597855396 bisecting fixing commit since 5b7a52cd2eef952cee8a72512ef370bcdef46636 building syzkaller on be6b1582e9ce6f1ac5d8978e70a6a9f91113f238 ensuring issue is reproducible on original commit 5b7a52cd2eef952cee8a72512ef370bcdef46636 testing commit 5b7a52cd2eef952cee8a72512ef370bcdef46636 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 40e11c11fb276d1d67892010f4756f90216ae8cf13f447d12f37f46e36b0191b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in rhashtable_free_and_destroy testing current HEAD 97205fccccdc5c145b77c434135ee8429b03ed98 testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b61e425a6fa0620b9a9a04a5da9c1ec438a54e11acc4007af75b7b82035f5abd all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 24m45.433239148s (build: 16m24.294202653s, test: 6m53.865269372s) the crash still happens on HEAD commit msg: Linux 4.14.303 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout syz-executor.0 (7274) used greatest stack depth: 24488 bytes left can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 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