ci2 starts bisection 2023-02-17 00:03:00.514678164 +0000 UTC m=+7659.010216224
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: 705802847ca57df52db7abcd14830b8e03a6eb72b5248bbdc3b669ffa7dbd0a4
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: 8b26372ff084724c842603d47dea71947a4d3ffea1b8261c995dd9d6f1a53366
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 35m8.24363266s (build: 19m23.608541852s, test: 6m24.214939331s)
the crash still happens on HEAD
commit msg: Linux 4.14.305
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