bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c3d07c7e5851ef8024dfc4ef489e2d04d7c46e581275121ebceeec872b901907
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 socket
run #4: crashed: BUG: soft lockup in hci_sock_release
run #5: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #6: crashed: BUG: soft lockup in socket
run #7: crashed: BUG: soft lockup in hci_sock_release
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 hci_sock_release
run #12: crashed: BUG: soft lockup in hci_sock_release
run #13: crashed: BUG: soft lockup in hci_sock_release
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 socket
run #18: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #19: crashed: BUG: soft lockup in mgmt_set_connectable_complete
testing current HEAD c01d4d1b885d96a7c8c27d629abeb918ca897dbe
testing commit c01d4d1b885d96a7c8c27d629abeb918ca897dbe
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d07559a0bc86686845d32f8097f627d642d50be5d1ffb2d9bf5a30b9942c87c7
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m10.811426782s (build: 18m46.198242751s, test: 6m53.531381189s)
the crash still happens on HEAD
commit msg: Linux 4.14.257
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout