bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 with gcc (GCC) 8.4.1 20210217
kernel signature: 14105f98dc258a4487bbb384af1874cf9f03fb4ee364dcfe022374cf65dd5446
run #0: crashed: BUG: soft lockup in hci_sock_release
run #1: crashed: BUG: soft lockup in hci_sock_release
run #2: crashed: BUG: soft lockup in hci_sock_release
run #3: crashed: BUG: soft lockup in hci_sock_release
run #4: crashed: BUG: soft lockup in socket
run #5: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #6: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #7: crashed: BUG: soft lockup in socket
run #8: crashed: BUG: soft lockup in mgmt_set_connectable_complete
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 hci_sock_release
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 hci_sock_release
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 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: 74d63a1f5bfb7ae5ca7533fa64ac036fd8babe872b802f4f2db0008400218c74
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m13.477672062s (build: 15m5.859116853s, test: 6m40.785514423s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
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: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout