bisecting fixing commit since 84f5ad468100f86d70096799e4ee716a17c2962f
building syzkaller on ddc3e85997efdad885e208db6a98bca86e5dd52f
testing commit 84f5ad468100f86d70096799e4ee716a17c2962f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e05949499ef7d48f782ea025e078ce0147d51372cb5efea51640ae4904d72f27
all runs: crashed: general protection fault in hsr_check_carrier_and_operstate
testing current HEAD 8ea4f73cfa7e0555dc03aedde52db54a6587ab43
testing commit 8ea4f73cfa7e0555dc03aedde52db54a6587ab43
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7a5856539bcb079d778cda948da1baadbf97ad691abe043521fdc24139f14af9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m48.036668929s (build: 22m41.259826287s, test: 6m51.352325778s)
the crash still happens on HEAD
commit msg: Linux 4.14.247
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1