bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on 1508f45368a309a3b1196a342b3d64ce7be4cc43
testing commit a844dc4c544291470aa69edbe2434b040794e269 with gcc (GCC) 8.4.1 20210217
kernel signature: da62a084ac582e05677c1873d277eea0ef6a267aa1209f592098fb743fa0d00c
all runs: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
testing current HEAD 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: 20366d12962efa6775c8bfe28ceb25520a0fcb92a387e65af40782e8295c6656
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m33.391650236s (build: 15m41.898423143s, test: 6m12.229153575s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
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