ci2 starts bisection 2023-01-28 11:30:47.429789354 +0000 UTC m=+423738.410372745
bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
building syzkaller on feb5635181eb12a6e3516172a3f5af06a3bc93e1
ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6

testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7c9b8ae548b76ca57d403ceb258140edd9ba8c02c8dad346a7b25ca0f36d8195
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8
testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bc8062e2562065d483b3867a37f488913bdcd66d1d4d0cd273592259d5b5313e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m35.403914542s (build: 20m17.323950381s, test: 6m33.658449829s)
the crash still happens on HEAD
commit msg: Linux 4.14.304
crash: unregister_netdevice: waiting for DEV to become free
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
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1