[Bug 54770] New: missing check of malloc in loader/main.c

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54770

            Bug ID: 54770
           Summary: missing check of malloc in loader/main.c
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: loader
          Assignee: wine-bugs(a)winehq.org
          Reporter: void0red(a)gmail.com
      Distribution: ---

we put a fault injection fuzzing on wine,
and find two potential bugs in loader/main.c.
it may miss a malloc check before memcpy

the call stack looks like this:

main ->
        load_ntdll ->
                get_self_exe ->
                        build_path ->
                                memcpy

main ->
        load_ntdll ->
                remove_tail ->
                        memcpy

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