[Wayland-bugs] [Bug 91356] Dereference a pointer after null check

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91356

            Bug ID: 91356
           Summary: Dereference a pointer after null check
           Product: Wayland
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: wayland
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: ashim.shah at samsung.com

Overview:
---------
Dereference a pointer after null check


Description:
-----------

File: http://cgit.freedesktop.org/wayland/wayland/tree/src/wayland-server.c
Line: 783

client->display_resource is NULL and client is passed as argument as below
wl_client_post_no_memory(client);

Line: 515
client->display_resource (NULL) is passed as argument
wl_resource_post_error(client->display_resource, WL_DISPLAY_ERROR_NO_MEMORY,
"no memory");

Line: 210
struct wl_client *client = resource->client;
resource is NULL so dereferencing a NULL pointer.

Expected:
--------
NULL checking required before dereferencing

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