bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6414db307513b0ffc5a82bfe3558273ab72621fb1a233c3abb56aeb10eacf9d8
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 mgmt_set_connectable_complete
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 hci_sock_release
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 mgmt_set_connectable_complete
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 hci_sock_release
run #18: crashed: BUG: soft lockup in mgmt_set_connectable_complete
run #19: crashed: BUG: soft lockup in hci_sock_release
testing current HEAD bfdef05c8da46b022172695aa493cff7ac667a4b
testing commit bfdef05c8da46b022172695aa493cff7ac667a4b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0234e864e8976d483da95ea998e4cda6d0544b3db493ee863629f70413e3264e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m55.28592512s (build: 19m13.557559164s, test: 6m56.233240362s)
the crash still happens on HEAD
commit msg: Linux 4.14.261
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout