bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on 1508f45368a309a3b1196a342b3d64ce7be4cc43
testing commit a844dc4c544291470aa69edbe2434b040794e269 with gcc (GCC) 8.4.1 20210217
kernel signature: ea6f8f579dc428509bf2c2ea889bc3be7efd56bfb44b4ed9a4234181e722e0b6
all runs: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
testing current HEAD 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85
testing commit 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85 with gcc (GCC) 8.4.1 20210217
kernel signature: 66bf5fd86bd49f0c5994a898affb58caf8f879e070a77f73c78a74150fc77159
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m27.948571269s (build: 15m39.280793176s, test: 6m8.059055792s)
the crash still happens on HEAD
commit msg: Linux 4.14.236
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1