[Bug stdio/26215] printf_fp memory leak

[jsm28 at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=26215

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
   Target Milestone|---                         |2.32
         Resolution|---                         |FIXED

--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.32.

commit 90663e9c814a919fa1fb41a878c06ef2fae58ed2
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Thu Jul 9 21:52:24 2020 +0000

    Fix memory leak in __printf_fp_l (bug 26215).

    __printf_fp_l has a memory leak in the case of some I/O errors, where
    both buffer and wbuffer have been malloced but the handling of I/O
    errors only frees wbuffer.  This patch fixes this by moving the
    declaration of buffer to an outer scope and ensuring that it is freed
    when wbuffer is freed.

    Tested for x86_64 and x86.

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