bisecting fixing commit since fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
building syzkaller on 0ecb9746a701be4544b845514a31a21cce92cc79
testing commit fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 75a4a444345c11c85b244abcd76c1b8e517a2cb491a042a61a721713b9bbad7c
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 cdev_del
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 corrupted
run #11: crashed: general protection fault in cdev_del
run #12: crashed: general protection fault in corrupted
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 cdev_del
run #17: crashed: general protection fault in corrupted
run #18: crashed: general protection fault in cdev_del
run #19: crashed: general protection fault in cdev_del
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0b891e63a05c60721f5a40474b91f4a04c7ab1aef6e0a98cfd03e73ac47df92a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m21.815668762s (build: 18m3.297824095s, test: 6m34.850764522s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
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