bisecting fixing commit since 004bfaafc45ccc95366b37c9b9e7844cd5156368
building syzkaller on 89bc860804252dbacb8c2bea60b9204859f4afd7
testing commit 004bfaafc45ccc95366b37c9b9e7844cd5156368
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a76115c11a3600602c80808b13e8c4a200254e032831c918fbea050b182f5da6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26
testing commit 424a46ea058e160ae6fdd0693092ba79da533f26
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 566eee3b7eeb86434178222813dba186e83af482d4885564b6566e27e4f052e0
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m41.676235481s (build: 17m35.481863706s, test: 6m37.176203949s)
the crash still happens on HEAD
commit msg: Linux 4.14.288
crash: unregister_netdevice: waiting for DEV to become free
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
syz-executor.0 (7969) used greatest stack depth: 23912 bytes left
can: request_module (can-proto-0) failed.
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
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout