ci2 starts bisection 2023-02-06 18:45:40.971731274 +0000 UTC m=+19418.864162263
bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c

testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0ee53f2449845896110a9b9dcbf63e3e8770783cfcd955fa3e05be143d6f77a2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD a8ad60f2af5884921167e8cede5784c7849884b2
testing commit a8ad60f2af5884921167e8cede5784c7849884b2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4164d0c9b30f4d4edd3ffb5822660b4c05e246ed56b0e9753624f90e23cc144a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m4.827679187s (build: 19m7.09292673s, test: 6m46.905203296s)
the crash still happens on HEAD
commit msg: Linux 4.14.305
crash: unregister_netdevice: waiting for DEV to become free
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
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
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout