ci2 starts bisection 2023-01-26 21:01:06.152284788 +0000 UTC m=+285157.132868226
bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
building syzkaller on 16a9c9e0fe35ce296944c5682f4a54d52bd67e71
ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6

testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5cdf8b7bc7fcf7f17fc7fe8e107ff0b786f7ce7e48108b13254a48591dd27464
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: f805677c73e46b2da9ae89746c80060965de53f97900fb06501553071a3f12c1
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m16.546649013s (build: 20m58.506285386s, test: 6m44.994448986s)
the crash still happens on HEAD
commit msg: Linux 4.14.304
crash: unregister_netdevice: waiting for DEV to become free
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