[Bugs] [Bug 1734692] brick process coredump while running bug-1432542-mpx-restart-crash.t in a virtual machine

bugzilla at redhat.com bugzilla at redhat.com
Wed Jul 31 09:15:43 UTC 2019


--- Comment #1 from ziyi cheng <chengziyi at estor.com.cn> ---
>From the backtrace of the core file,
we can see that in function r00t(),
after conf=THIS->private, conf == NULL, so it crashed when return
the reason, i guess :
iot_worker call_rerume GF_FOP_GETXATTR ,it wind to posix_acl_getxattr,
in the meantime, fini() has been executed, so this->private = NULL and conf has
been free.
in this situation, i think we should check if conf is NULL before return
conf->super_uid in r00t()

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