ci2 starts bisection 2023-03-04 20:05:14.991920436 +0000 UTC m=+258929.930609760
bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c
building syzkaller on ab32d50881df9f96f2af301aadca62ad00b7e099
ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c

testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 61486eb0b6600275120619190bbd3a3790a307469d6023a99ed4b5966e19e65c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 7878a41b6cc1ada4bb804eee96beb2c54322806c
testing commit 7878a41b6cc1ada4bb804eee96beb2c54322806c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 873bfee603ce58216950c8111bd902471eb52b0d4f52d6316998597094504b6f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m23.799051925s (build: 15m38.060832567s, test: 6m34.418404978s)
the crash still happens on HEAD
commit msg: Linux 4.14.307
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