bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on 1508f45368a309a3b1196a342b3d64ce7be4cc43
testing commit a844dc4c544291470aa69edbe2434b040794e269
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2f49cfb915aa341d483cc0b4781a1c70fc1bd2c9634fb8540ad8798cfc375389
run #0: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #1: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #2: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #3: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #4: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #5: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #6: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #7: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #8: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #9: crashed: KASAN: null-ptr-deref in llcp_sock_getname
run #10: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #11: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #12: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #13: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #14: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #15: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #16: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #17: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #18: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
run #19: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
testing current HEAD 21ad423fe5210f5aa50bd43f9ae99b655090a227
testing commit 21ad423fe5210f5aa50bd43f9ae99b655090a227
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0c71481cc7c575846b677f382de903a0612ad69000859c150683839c8f5fef1f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m0.387689001s (build: 23m28.200616732s, test: 6m38.202477846s)
the crash still happens on HEAD
commit msg: Linux 4.14.265
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