bisecting fixing commit since fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
building syzkaller on 0ecb9746a701be4544b845514a31a21cce92cc79
testing commit fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9054d50fc2fd8d6bd1bfed0be716439a4726e33d27dcc8b790b764aec94164e5
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 corrupted
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 gsmld_close
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 cdev_del
run #17: crashed: general protection fault in gsmld_close
run #18: crashed: general protection fault in cdev_del
run #19: crashed: general protection fault in cdev_del
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 61465565fbdd212629104256f940bf903a4a4647bc82be1accba69289feea531
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m30.00295996s (build: 17m25.924786426s, test: 7m10.385291651s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
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