ci2 starts bisection 2022-08-05 02:42:12.254014766 +0000 UTC m=+200021.071591000
bisecting fixing commit since 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
building syzkaller on c885789257c76ea4479ea36282f5e0a2c7861e26
testing commit 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a5bb18650f31aaca8e1b9f90b6fab1f7f3616991e7bea8bf20481f8aa71af36e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD b641242202ed8c52030f7b6d8cf15886d3c4fc82
testing commit b641242202ed8c52030f7b6d8cf15886d3c4fc82
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 67f574e4ea9859b2754552021c0c95c26388a8625070d18c63c707429b55cf13
run #0: crashed: unregister_netdevice: waiting for DEV to become free
run #1: crashed: unregister_netdevice: waiting for DEV to become free
run #2: crashed: unregister_netdevice: waiting for DEV to become free
run #3: crashed: unregister_netdevice: waiting for DEV to become free
run #4: crashed: unregister_netdevice: waiting for DEV to become free
run #5: crashed: unregister_netdevice: waiting for DEV to become free
run #6: crashed: unregister_netdevice: waiting for DEV to become free
run #7: crashed: unregister_netdevice: waiting for DEV to become free
run #8: crashed: unregister_netdevice: waiting for DEV to become free
run #9: boot failed: can't ssh into the instance
revisions tested: 2, total time: 36m19.160400344s (build: 21m40.123919787s, test: 14m10.393526462s)
the crash still happens on HEAD
commit msg: Linux 4.14.290
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