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glibc
_service:tar_scm:sparc-Fix-sparc64-memmove-leng...
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File _service:tar_scm:sparc-Fix-sparc64-memmove-length-comparison-BZ-31266.patch of Package glibc
From aac57faf5425b472a72132b09f4b3a2aa1f77a63 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Thu, 18 Jan 2024 10:52:18 -0300 Subject: [PATCH 5/6] sparc: Fix sparc64 memmove length comparison (BZ 31266) The small counts copy bytes comparsion should be unsigned (as the memmove size argument). It fixes string/tst-memmove-overflow on sparcv9, where the input size triggers an invalid code path. Checked on sparc64-linux-gnu and sparcv9-linux-gnu. (cherry picked from commit 926a4bdbb5fc8955570208b5571b2d04c6ffbd1d) --- sysdeps/sparc/sparc64/memmove.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sysdeps/sparc/sparc64/memmove.S b/sysdeps/sparc/sparc64/memmove.S index db6f4f0e84..62b19ebc1b 100644 --- a/sysdeps/sparc/sparc64/memmove.S +++ b/sysdeps/sparc/sparc64/memmove.S @@ -38,7 +38,7 @@ ENTRY(memmove) /* * normal, copy forwards */ -2: ble %XCC, .Ldbytecp +2: bleu %XCC, .Ldbytecp andcc %o1, 3, %o5 /* is src word aligned */ bz,pn %icc, .Laldst cmp %o5, 2 /* is src half-word aligned */ -- 2.33.0
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