bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 439856dbee87e0e51f5528210f2438cddd947c22a130441b163a3ab27e3090fa
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 hci_sock_release
run #6: crashed: BUG: soft lockup in hci_sock_release
run #7: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #8: crashed: BUG: soft lockup in hci_sock_release
run #9: crashed: BUG: soft lockup in mgmt_set_connectable_complete
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 hci_sock_release
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 hci_sock_release
testing current HEAD ed99bf0e81b558df39f7db2fa96d0228be4198c6
testing commit ed99bf0e81b558df39f7db2fa96d0228be4198c6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1cd780152c3cd366dfffa179234e35e263ba2f38abe42321415ebf88fb27a58a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m23.086202276s (build: 17m27.732906158s, test: 7m23.197863141s)
the crash still happens on HEAD
commit msg: Linux 4.14.250
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout