bisecting fixing commit since fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
building syzkaller on 0ecb9746a701be4544b845514a31a21cce92cc79
testing commit fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f with gcc (GCC) 8.4.1 20210217
kernel signature: e884e6bf21bce04277aca22e5b246f3ac31062802f098d6cb1fc5257f756638c
run #0: crashed: general protection fault in cdev_del
run #1: crashed: general protection fault in cdev_del
run #2: crashed: general protection fault in cdev_del
run #3: crashed: general protection fault in cdev_del
run #4: crashed: general protection fault in corrupted
run #5: crashed: general protection fault in cdev_del
run #6: crashed: general protection fault in cdev_del
run #7: crashed: general protection fault in cdev_del
run #8: crashed: general protection fault in cdev_del
run #9: crashed: general protection fault in cdev_del
run #10: crashed: general protection fault in cdev_del
run #11: crashed: general protection fault in cdev_del
run #12: crashed: general protection fault in cdev_del
run #13: crashed: general protection fault in cdev_del
run #14: crashed: general protection fault in cdev_del
run #15: crashed: general protection fault in cdev_del
run #16: crashed: general protection fault in corrupted
run #17: crashed: general protection fault in cdev_del
run #18: crashed: general protection fault in gsmld_close
run #19: crashed: general protection fault in corrupted
testing current HEAD cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 with gcc (GCC) 8.4.1 20210217
kernel signature: 1ab2cc3960276023ca5a8effa333a68973c63264e22b5292f1d7cb25a934e524
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m45.519938313s (build: 15m44.747551204s, test: 6m21.308410551s)
the crash still happens on HEAD
commit msg: Linux 4.14.237
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