bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on f54a5c0916af7d798b204eb70c484f154d69e0a3
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 with gcc (GCC) 8.4.1 20210217
kernel signature: 7e5dfe3e543b8248faa3c70d533252cc906e3ebeb6e9feb0f003cebc2cb51125
run #0: crashed: kernel BUG in llc_sap_action_send_xid_c
run #1: crashed: kernel BUG in llc_sap_action_send_xid_c
run #2: crashed: kernel BUG in llc_sap_action_send_xid_c
run #3: crashed: kernel BUG in llc_sap_action_send_xid_c
run #4: crashed: kernel BUG in llc_sap_action_send_xid_c
run #5: crashed: kernel BUG in llc_sap_action_send_xid_c
run #6: crashed: kernel BUG in llc_sap_action_send_xid_c
run #7: crashed: kernel BUG in llc_sap_action_send_xid_c
run #8: crashed: kernel BUG in corrupted
run #9: crashed: kernel BUG in llc_sap_action_send_xid_c
run #10: crashed: kernel BUG in llc_sap_action_send_xid_c
run #11: crashed: kernel BUG in llc_sap_action_send_xid_c
run #12: crashed: kernel BUG in llc_sap_action_send_xid_c
run #13: crashed: kernel BUG in llc_sap_action_send_xid_c
run #14: crashed: kernel BUG in llc_sap_action_send_xid_c
run #15: crashed: kernel BUG in llc_sap_action_send_xid_c
run #16: crashed: kernel BUG in llc_sap_action_send_xid_c
run #17: crashed: kernel BUG in llc_sap_action_send_xid_c
run #18: crashed: kernel BUG in llc_sap_action_send_xid_c
run #19: crashed: kernel BUG in llc_sap_action_send_xid_c
testing current HEAD cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 with gcc (GCC) 8.4.1 20210217
kernel signature: 1704f5ae3492e780bd5ccc9d7ecaab4aa6b167f8b889da369b6503ff13337ac2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m39.936235518s (build: 21m57.206077699s, test: 6m11.945511854s)
the crash still happens on HEAD
commit msg: Linux 4.14.237
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout