bisecting fixing commit since 8ee0807eedf3bc60c8a47a7dd95387102bcfd063
building syzkaller on 6caa12e443d9f79aa2df67d44cdc6163eaa1e97f
testing commit 8ee0807eedf3bc60c8a47a7dd95387102bcfd063
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c35603e6489a1487883806c69d3c00c7e7ed51f6efbffd69f657170b41afc6c5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9bad80627c7cfe2218c21a0e6b135adab9afb04409d08b04e1a6340d103ed3c4
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m40.354181661s (build: 17m30.513937238s, test: 6m39.575316658s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
block nbd0: shutting down sockets
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1