bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 37be5039698d8ab39a1a263c3203f14bb7cd8bb9feff3f726a539950480d110f
run #0: crashed: BUG: soft lockup in mgmt_set_connectable_complete
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 socket
run #4: crashed: BUG: soft lockup in mgmt_set_connectable_complete
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 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 mgmt_set_connectable_complete
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 hci_sock_release
run #15: crashed: BUG: soft lockup in hci_sock_release
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 0447aa205abe1c0c016b4f7fa9d7c08d920b5c8e
testing commit 0447aa205abe1c0c016b4f7fa9d7c08d920b5c8e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1ee43f903ee208d1bd4edf72449e491e0fcc156cf072f5b0ebbaf7bc3d76382a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m16.20518938s (build: 15m4.20560651s, test: 6m38.13662489s)
the crash still happens on HEAD
commit msg: Linux 4.14.254
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout