forked from rpms/glibc
31 lines
1.3 KiB
Diff
31 lines
1.3 KiB
Diff
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From 3322ecbfe29a16e74c4f584d661b0b8018bb4031 Mon Sep 17 00:00:00 2001
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From: Raphael Moreira Zinsly <rzinsly@linux.ibm.com>
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Date: Mon, 14 Sep 2020 11:59:24 -0300
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Subject: [PATCH] powerpc: Protect dl_powerpc_cpu_features on INIT_ARCH() [BZ
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#26615]
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dl_powerpc_cpu_features also needs to be protected by __GLRO to check
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for the _rtld_global_ro realocation before accessing it.
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Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
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---
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sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h b/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h
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index 17ddfcf528..c8fa07fadc 100644
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--- a/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h
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+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h
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@@ -38,7 +38,7 @@
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unsigned long int hwcap = __GLRO(dl_hwcap); \
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unsigned long int __attribute__((unused)) hwcap2 = __GLRO(dl_hwcap2); \
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bool __attribute__((unused)) use_cached_memopt = \
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- GLRO(dl_powerpc_cpu_features).use_cached_memopt; \
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+ __GLRO(dl_powerpc_cpu_features.use_cached_memopt); \
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if (hwcap & PPC_FEATURE_ARCH_2_06) \
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hwcap |= PPC_FEATURE_ARCH_2_05 | \
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PPC_FEATURE_POWER5_PLUS | \
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--
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2.27.0
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