bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on 79264ae39c1ef4b4875ab67d6f0c8c3e75aa6a34
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2be58541f1a7aeaa486a1abfacac24235483dd8f0a7466fcc3287bfc5a54a92a
run #0: crashed: WARNING in process_one_work
run #1: crashed: WARNING in corrupted
run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #3: crashed: WARNING in corrupted
run #4: crashed: WARNING in corrupted
run #5: crashed: WARNING in corrupted
run #6: crashed: WARNING in corrupted
run #7: crashed: WARNING in corrupted
run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #9: crashed: WARNING in corrupted
run #10: crashed: WARNING in corrupted
run #11: crashed: WARNING in corrupted
run #12: crashed: WARNING in corrupted
run #13: crashed: WARNING in corrupted
run #14: crashed: WARNING in corrupted
run #15: crashed: WARNING in corrupted
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD f11944f1aa1cda3fd8b4edc71e3cf9dceb40234f
testing commit f11944f1aa1cda3fd8b4edc71e3cf9dceb40234f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2e4c821ed6ca938236f55fc199c2fd134b0af379c7abaa7feee6476c54ea302f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m0.257376457s (build: 15m22.833286308s, test: 14m58.314795034s)
the crash still happens on HEAD
commit msg: Linux 4.14.248
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 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