bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on 79264ae39c1ef4b4875ab67d6f0c8c3e75aa6a34
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: db5ffba4da209b20c8cf399671a54fa997750bb44dca2edad2317cdad7166014
run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #1: crashed: WARNING in corrupted
run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #3: crashed: WARNING in process_one_work
run #4: crashed: WARNING in corrupted
run #5: crashed: WARNING in corrupted
run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #9: crashed: WARNING in corrupted
run #10: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #11: crashed: WARNING in process_one_work
run #12: crashed: WARNING in corrupted
run #13: crashed: WARNING in process_one_work
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 74766a973637a02c32c04c1c6496e114e4855239
testing commit 74766a973637a02c32c04c1c6496e114e4855239
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c989453d1efc97688ac34199710ad4de443112dc5d5728f69f26a6321c466076
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 35m19.187524997s (build: 19m53.336249321s, test: 14m19.975872922s)
the crash still happens on HEAD
commit msg: Linux 4.14.275
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f 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: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout