bisecting fixing commit since b0cdffaa546e24acf92ab3b0d4e917a51aff6a82
building syzkaller on 4c04afaa19a16e90d8b495cc3795fd4ed21df4df
testing commit b0cdffaa546e24acf92ab3b0d4e917a51aff6a82
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2542515077088e69cb2aa30fa00b81450c4bd60a9c99129d15d9da97b61b4561
all runs: crashed: general protection fault in ipt_init_target
testing current HEAD 964f3712e6a7447d9d3203f2be3f6c50e78ea179
testing commit 964f3712e6a7447d9d3203f2be3f6c50e78ea179
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1441ee512071a6d0e54331fb3bc4660441b8579b47695f4baade4e0c7318ff2c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m22.348165716s (build: 20m54.689642035s, test: 6m18.632319934s)
the crash still happens on HEAD
commit msg: Linux 4.14.240
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1