bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 095323de32085efcca90b6005aff96d1172367d186fc2cbf068f5fb52b1089dc
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 mgmt_set_connectable_complete
run #5: crashed: BUG: soft lockup in hci_sock_release
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 hci_sock_release
run #9: crashed: BUG: soft lockup in hci_sock_release
run #10: crashed: BUG: soft lockup in hci_sock_release
run #11: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #12: crashed: BUG: soft lockup in mgmt_set_connectable_complete
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 mgmt_set_connectable_complete
run #18: crashed: BUG: soft lockup in hci_sock_release
run #19: crashed: BUG: soft lockup in hci_sock_release
testing current HEAD ed2e96e119365437d6aa26a8a13eb39f77a43542
testing commit ed2e96e119365437d6aa26a8a13eb39f77a43542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e37e0041c72c31f487dee9c32d7082c797d5f8bc84247770ee753ec61d8fdd3b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 20m8.296362833s (build: 12m31.97289486s, test: 7m4.252143948s)
the crash still happens on HEAD
commit msg: Linux 4.14.286
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout