glibc/glibc-fedora-__libc_multiple_libcs.patch
Florian Weimer a2f7bb7876 Resolves: #1462820
Auto-sync with upstream release/2.25/master

Upstream commit: adc7e06fb412a2a1ee52f8cb788caf436335b9f3

- CVE-2017-1000366: Avoid large allocas in the dynamic linker (#1462820)
- Ignore and remove LD_HWCAP_MASK for AT_SECURE programs (swbz#21209)
- Correct collation rules for Malayalam (swbz#19922, swbz#19919)
- fork: Remove bogus parent PID assertions (swbz#21386)
2017-06-20 06:33:51 +02:00

83 lines
2.5 KiB
Diff

#
# Upstream discussions:
# https://sourceware.org/ml/libc-alpha/2014-02/msg00580.html
#
# Based on the following commit:
#
# From 16552c01a66633c9e412984d9d92616bd4e5303c Mon Sep 17 00:00:00 2001
# From: Andreas Schwab <schwab@redhat.com>
# Date: Fri, 11 Jun 2010 11:04:11 +0200
# Subject: [PATCH] Properly set __libc_multiple_libcs
#
# * elf/rtld.c (_dl_starting_up): Always define.
# (dl_main): Always set _dl_starting_up.
# * elf/dl-support.c (_dl_starting_up): Always define.
# * elf/dl-init.c (_dl_init): Always clear _dl_starting_up.
#
# ---
# ChangeLog | 7 +++++++
# elf/dl-init.c | 4 ----
# elf/dl-support.c | 2 --
# elf/rtld.c | 4 ----
# 4 files changed, 7 insertions(+), 10 deletions(-)
#
Index: b/elf/dl-init.c
===================================================================
--- a/elf/dl-init.c
+++ b/elf/dl-init.c
@@ -119,8 +119,6 @@ _dl_init (struct link_map *main_map, int
while (i-- > 0)
call_init (main_map->l_initfini[i], argc, argv, env);
-#ifndef HAVE_INLINED_SYSCALLS
/* Finished starting up. */
_dl_starting_up = 0;
-#endif
}
Index: b/elf/dl-support.c
===================================================================
--- a/elf/dl-support.c
+++ b/elf/dl-support.c
@@ -117,10 +117,8 @@ struct r_scope_elem _dl_initial_searchli
.r_nlist = 1,
};
-#ifndef HAVE_INLINED_SYSCALLS
/* Nonzero during startup. */
int _dl_starting_up = 1;
-#endif
/* Random data provided by the kernel. */
void *_dl_random;
Index: b/elf/rtld.c
===================================================================
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -214,7 +214,6 @@ audit_list_iter_next (struct audit_list_
return iter->previous->name;
}
-#ifndef HAVE_INLINED_SYSCALLS
/* Set nonzero during loading and initialization of executable and
libraries, cleared before the executable's entry point runs. This
must not be initialized to nonzero, because the unused dynamic
@@ -224,7 +223,6 @@ audit_list_iter_next (struct audit_list_
never be called. */
int _dl_starting_up = 0;
rtld_hidden_def (_dl_starting_up)
-#endif
/* This is the structure which defines all variables global to ld.so
(except those which cannot be added for some reason). */
@@ -898,10 +896,8 @@ dl_main (const ElfW(Phdr) *phdr,
/* Process the environment variable which control the behaviour. */
process_envvars (&mode);
-#ifndef HAVE_INLINED_SYSCALLS
/* Set up a flag which tells we are just starting. */
_dl_starting_up = 1;
-#endif
if (*user_entry == (ElfW(Addr)) ENTRY_POINT)
{