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sparc: Fix user_regset 'n' field values.

As noticed by Russell King, we were not setting this properly
to the number of entries, but rather the total size.

This results in the core dumping code allocating waayyyy too
much memory.

Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller 17 년 전
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7d4ee289d1
2개의 변경된 파일6개의 추가작업 그리고 6개의 파일을 삭제
  1. 2 2
      arch/sparc/kernel/ptrace.c
  2. 4 4
      arch/sparc64/kernel/ptrace.c

+ 2 - 2
arch/sparc/kernel/ptrace.c

@@ -288,7 +288,7 @@ static const struct user_regset sparc32_regsets[] = {
 	 */
 	[REGSET_GENERAL] = {
 		.core_note_type = NT_PRSTATUS,
-		.n = 38 * sizeof(u32),
+		.n = 38,
 		.size = sizeof(u32), .align = sizeof(u32),
 		.get = genregs32_get, .set = genregs32_set
 	},
@@ -304,7 +304,7 @@ static const struct user_regset sparc32_regsets[] = {
 	 */
 	[REGSET_FP] = {
 		.core_note_type = NT_PRFPREG,
-		.n = 99 * sizeof(u32),
+		.n = 99,
 		.size = sizeof(u32), .align = sizeof(u32),
 		.get = fpregs32_get, .set = fpregs32_set
 	},

+ 4 - 4
arch/sparc64/kernel/ptrace.c

@@ -443,7 +443,7 @@ static const struct user_regset sparc64_regsets[] = {
 	 */
 	[REGSET_GENERAL] = {
 		.core_note_type = NT_PRSTATUS,
-		.n = 36 * sizeof(u64),
+		.n = 36,
 		.size = sizeof(u64), .align = sizeof(u64),
 		.get = genregs64_get, .set = genregs64_set
 	},
@@ -455,7 +455,7 @@ static const struct user_regset sparc64_regsets[] = {
 	 */
 	[REGSET_FP] = {
 		.core_note_type = NT_PRFPREG,
-		.n = 35 * sizeof(u64),
+		.n = 35,
 		.size = sizeof(u64), .align = sizeof(u64),
 		.get = fpregs64_get, .set = fpregs64_set
 	},
@@ -801,7 +801,7 @@ static const struct user_regset sparc32_regsets[] = {
 	 */
 	[REGSET_GENERAL] = {
 		.core_note_type = NT_PRSTATUS,
-		.n = 38 * sizeof(u32),
+		.n = 38,
 		.size = sizeof(u32), .align = sizeof(u32),
 		.get = genregs32_get, .set = genregs32_set
 	},
@@ -817,7 +817,7 @@ static const struct user_regset sparc32_regsets[] = {
 	 */
 	[REGSET_FP] = {
 		.core_note_type = NT_PRFPREG,
-		.n = 99 * sizeof(u32),
+		.n = 99,
 		.size = sizeof(u32), .align = sizeof(u32),
 		.get = fpregs32_get, .set = fpregs32_set
 	},