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PR26446 UBSAN: tc-csky.c:2618,4022 index out of bounds

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PR 26446
	* csky-opc.h (MAX_OPRND_NUM): Define to 5.
	(union csky_operand): Use MAX_OPRND_NUM to size oprnds array.
This commit is contained in:
Alan Modra
2020-08-29 11:10:54 +09:30
parent 8a267ea847
commit 0c0577f6a8
2 changed files with 8 additions and 2 deletions
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6
opcodes/ChangeLog
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@ -1,3 +1,9 @@
2020-08-29 Alan Modra <amodra@gmail.com>
PR 26446
* csky-opc.h (MAX_OPRND_NUM): Define to 5.
(union csky_operand): Use MAX_OPRND_NUM to size oprnds array.
2020-08-28 Alan Modra <amodra@gmail.com> 2020-08-28 Alan Modra <amodra@gmail.com>
PR 26449 PR 26449

4
opcodes/csky-opc.h
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@ -22,7 +22,7 @@
#include "opcode/csky.h" #include "opcode/csky.h"
#define OP_TABLE_NUM 2 #define OP_TABLE_NUM 2
#define MAX_OPRND_NUM 4 #define MAX_OPRND_NUM 5
enum operand_type enum operand_type
{ {
@ -222,7 +222,7 @@ struct soperand
union csky_operand union csky_operand
{ {
struct operand oprnds[5]; struct operand oprnds[MAX_OPRND_NUM];
struct suboperand1 struct suboperand1
{ {
struct operand oprnd; struct operand oprnd;