bisecting fixing commit since 98db2bf27b9ed2d5ed0b6c9c8a4bfcb127a19796
building syzkaller on 251aabb77ec4d86b9374b6f999fbb8e1ea70963f
testing commit 98db2bf27b9ed2d5ed0b6c9c8a4bfcb127a19796 with gcc (GCC) 8.4.1 20210217
kernel signature: 668248e8c3790f7ed3191af395216d1385deecdc08492ad9176f961b10f5426f
all runs: crashed: possible deadlock in rtnl_lock
testing current HEAD 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85
testing commit 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85 with gcc (GCC) 8.4.1 20210217
kernel signature: 138a9f8525c338dd6bdfa5cf1151ca2a3d7b2d111c390ac965e95e2a1cc9f40e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m43.470333386s (build: 20m18.556308453s, test: 6m30.094216862s)
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