bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 3cd800e43d452c348a66ba475143831d94969a24
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c58aeb7dfbf397c2b2f90d5189706d3e512d86c9af7f77fb0b27793b5d40c1bf
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD eb045674aab31aa55a4f9aec27cce36e3d946a21
testing commit eb045674aab31aa55a4f9aec27cce36e3d946a21
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: acb8befff7b7a980e2cf5852baae420b80c205b235c8ba057f3567ca71b02c65
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m33.885038396s (build: 19m24.487120156s, test: 6m46.299923364s)
the crash still happens on HEAD
commit msg: Linux 4.14.272
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1