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To: glibc-bugs@sourceware.org
Subject: [Bug libc/28770] Unexpected return value from realpath() for too
 long results (CVE-2021-3998)
Date: Mon, 24 Jan 2022 16:11:39 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28770

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Siddhesh Poyarekar
<siddhesh@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D84d2d0fe20bdf94feed=
82b21b4d7d136db471f03

commit 84d2d0fe20bdf94feed82b21b4d7d136db471f03
Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
Date:   Mon Jan 24 21:36:41 2022 +0530

    realpath: Avoid overwriting preexisting error (CVE-2021-3998)

    Set errno and failure for paths that are too long only if no other error
    occurred earlier.

    Related: BZ #28770

    Reviewed-by: Andreas Schwab <schwab@linux-m68k.org>
    Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

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