bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3 testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 64a2eb05833b68ab1b53835841974b97ef567afbcbd2736c8bf4b6519eb61c9e run #0: crashed: BUG: soft lockup in hci_sock_release run #1: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #2: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #3: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #4: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #5: crashed: BUG: soft lockup in socket run #6: crashed: BUG: soft lockup in hci_sock_release run #7: crashed: BUG: soft lockup in hci_sock_release run #8: crashed: BUG: soft lockup in hci_sock_release run #9: crashed: BUG: soft lockup in hci_sock_release run #10: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #11: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #12: crashed: BUG: soft lockup in socket run #13: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #14: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #15: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #16: crashed: BUG: soft lockup in mgmt_set_connectable_complete run #17: crashed: BUG: soft lockup in hci_sock_release run #18: crashed: BUG: soft lockup in hci_sock_release run #19: crashed: BUG: soft lockup in mgmt_set_connectable_complete testing current HEAD 74766a973637a02c32c04c1c6496e114e4855239 testing commit 74766a973637a02c32c04c1c6496e114e4855239 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 9f4323cd9a02e9d1e1dfc2ef3c0486b853cc80a65677980eb1f375283aecb016 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 26m53.067894519s (build: 19m41.258165061s, test: 6m42.658170368s) the crash still happens on HEAD commit msg: Linux 4.14.275 crash: unregister_netdevice: waiting for DEV to become free 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: hci4 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout