bisecting fixing commit since 7f2c5eb458b8855655a19c44cd0043f7f83c595f
building syzkaller on 80a0690249dc4dbbbed95ba197192b99c73694c5
testing commit 7f2c5eb458b8855655a19c44cd0043f7f83c595f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0dab8d448820f946ce7fb19f64e662605a7151048ee6931c6da1f167d51427eb
run #0: crashed: WARNING in cgroup_apply_control_disable
run #1: crashed: WARNING in cgroup_apply_control_disable
run #2: crashed: WARNING in cgroup_apply_control_disable
run #3: crashed: WARNING in cgroup_apply_control_disable
run #4: crashed: WARNING in cgroup_apply_control_disable
run #5: crashed: WARNING in cgroup_apply_control_disable
run #6: crashed: WARNING in cgroup_apply_control_disable
run #7: crashed: WARNING in cgroup_apply_control_disable
run #8: crashed: WARNING in cgroup_apply_control_disable
run #9: crashed: WARNING in cgroup_apply_control_disable
run #10: crashed: WARNING in cgroup_apply_control_disable
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD cd529693461026636f76d0395a42cb2439bbd368
testing commit cd529693461026636f76d0395a42cb2439bbd368
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5e0329662cabc2b7909bfaee76c56a950141f4f2f7b117064ab9fe09c00d4939
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m53.501549173s (build: 15m27.002715292s, test: 11m57.972278015s)
the crash still happens on HEAD
commit msg: Linux 4.14.253
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