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* [newlib-cygwin] Fix memcpy bug that reads past end of buffer.
@ 2016-01-28 22:09 Steve Ellcey
0 siblings, 0 replies; only message in thread
From: Steve Ellcey @ 2016-01-28 22:09 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=4792146a0f20d23be523b5b57be6f037c0c9c00d
commit 4792146a0f20d23be523b5b57be6f037c0c9c00d
Author: Steve Ellcey <sellcey@imgtec.com>
Date: Thu Jan 28 14:08:35 2016 -0800
Fix memcpy bug that reads past end of buffer.
* libc/machine/mips/memcpy.S (memcpy): Fix read past end of
input.
Diff:
---
newlib/libc/machine/mips/memcpy.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/newlib/libc/machine/mips/memcpy.S b/newlib/libc/machine/mips/memcpy.S
index 3130f6e..21bd3b4 100644
--- a/newlib/libc/machine/mips/memcpy.S
+++ b/newlib/libc/machine/mips/memcpy.S
@@ -581,11 +581,11 @@ L(lastw):
#ifdef USE_DOUBLE
andi t8,a2,3 /* a2 is the remainder past 4 byte chunks. */
beq t8,a2,L(lastb)
+ move a2,t8
lw REG3,0(a1)
sw REG3,0(a0)
PTR_ADDIU a0,a0,4
PTR_ADDIU a1,a1,4
- move a2,t8
#endif
/* Copy the last 8 (or 16) bytes */
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2016-01-28 22:09 [newlib-cygwin] Fix memcpy bug that reads past end of buffer Steve Ellcey
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