bisecting fixing commit since b98aebd298246df37b472c52a2ee1023256d02e3
building syzkaller on 5ea87a6638e52a94361b26b8576a1605585815fb
testing commit b98aebd298246df37b472c52a2ee1023256d02e3 with gcc (GCC) 8.4.1 20210217
kernel signature: b9b6aa855a7b5c607a49d583c04d6b58d5f91f60332a7b54243b4c6b5c104977
run #0: crashed: general protection fault in kernfs_kill_sb
run #1: crashed: general protection fault in kernfs_kill_sb
run #2: crashed: general protection fault in kernfs_kill_sb
run #3: crashed: general protection fault in kernfs_kill_sb
run #4: crashed: general protection fault in kernfs_kill_sb
run #5: crashed: general protection fault in kernfs_kill_sb
run #6: crashed: general protection fault in kernfs_kill_sb
run #7: crashed: general protection fault in kernfs_kill_sb
run #8: crashed: general protection fault in kernfs_kill_sb
run #9: crashed: general protection fault in kernfs_kill_sb
run #10: crashed: general protection fault in kernfs_kill_sb
run #11: crashed: general protection fault in kernfs_kill_sb
run #12: crashed: general protection fault in corrupted
run #13: crashed: general protection fault in kernfs_kill_sb
run #14: crashed: general protection fault in kernfs_kill_sb
run #15: crashed: general protection fault in corrupted
run #16: crashed: general protection fault in kernfs_kill_sb
run #17: crashed: general protection fault in kernfs_kill_sb
run #18: crashed: general protection fault in kernfs_kill_sb
run #19: crashed: general protection fault in kernfs_kill_sb
testing current HEAD 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85
testing commit 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85 with gcc (GCC) 8.4.1 20210217
kernel signature: 31105f16dbe480aacb066adc690da5c8aac9295e247989615e4bc1f023571a79
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m26.517607052s (build: 16m26.017122703s, test: 6m19.912788338s)
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