bisecting fixing commit since 8ee0807eedf3bc60c8a47a7dd95387102bcfd063
building syzkaller on 6caa12e443d9f79aa2df67d44cdc6163eaa1e97f
testing commit 8ee0807eedf3bc60c8a47a7dd95387102bcfd063
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5d4c48ef35ef865aa91fbe2b277c7d23f9717763ca03e99c0e35331b3262f263
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD a35d65bedfbc38cffe2701798cd6810bbdf07892
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0ea3607a3e38d0db5b0fd88a4c2ca8e171882e5b62992910ef94378b6481e1a9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m14.922178977s (build: 14m30.828687925s, test: 6m20.415573623s)
the crash still happens on HEAD
commit msg: Linux 4.14.267
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1