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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/28340] ld.so crashes while loading a DSO with a
 read-only dynamic section
Date: Tue, 19 Oct 2021 13:41:40 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28340

--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by H.J. Lu <hjl@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D2ec99d8c42b2ff1a123=
1e4df462a0910a9b7fdef

commit 2ec99d8c42b2ff1a1231e4df462a0910a9b7fdef
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Sep 23 09:06:49 2021 -0700

    ld.so: Initialize bootstrap_map.l_ld_readonly [BZ #28340]

    1. Define DL_RO_DYN_SECTION to initalize bootstrap_map.l_ld_readonly
    before calling elf_get_dynamic_info to get dynamic info in bootstrap_ma=
p,
    2. Define a single

    static inline bool
    dl_relocate_ld (const struct link_map *l)
    {
      /* Don't relocate dynamic section if it is readonly  */
      return !(l->l_ld_readonly || DL_RO_DYN_SECTION);
    }

    This updates BZ #28340 fix.

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