bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 77e2b66864e69c17416614228723a1ebd3581ddc
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 with gcc (GCC) 8.4.1 20210217
kernel signature: a77ea36c80680e24e58e220f67cf3d7930d9a0ecd5b5d6a25add3ebf766f854b
run #0: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #1: OK
run #2: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #3: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #4: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #5: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #6: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #7: OK
run #8: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #9: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #10: OK
run #11: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: crashed: WARNING: ODEBUG bug in batadv_nc_mesh_free
run #18: OK
run #19: OK
testing current HEAD cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 with gcc (GCC) 8.4.1 20210217
kernel signature: 66dc39cea092d78e93130c8b4787bec18ee8f9211e95e3bb72e661569226e718
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m13.607873942s (build: 14m56.582270872s, test: 11m56.242195124s)
the crash still happens on HEAD
commit msg: Linux 4.14.237
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 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 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f 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
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout