Attachment 154319 Details for Bug 225531 – patch to fix the issue

[patch] patch to fix the issue

ptrace-225531.patch (text/plain), 1.84 KB, created by Luming Yu on 2007-05-08 08:55:48 UTC

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Creator: Luming Yu

Created: 2007-05-08 08:55:48 UTC

Size: 1.84 KB

patch

obsolete

>--- kernel-2.6.18/linux-2.6.18.ia64/kernel/ptrace.c	2007-05-08 12:43:19.000000000 -0400
>+++ linux-2.6.18-ptrace-225531/kernel/ptrace.c	2007-05-08 12:44:38.000000000 -0400
>@@ -682,7 +682,7 @@
> 			 * This is a no-op/zero-fill portion of struct user.
> 			 */
> 			ret = 0;
>-			if (!write) {
>+			if (!write && seg->offset == 0) {
> 				if (kdata)
> 					memset(kdata, 0, n);
> 				else if (clear_user(udata, n))
>--- kernel-2.6.18/linux-2.6.18.ia64/arch/ia64/kernel/ptrace.c	2007-05-08 12:43:06.000000000 -0400
>+++ linux-2.6.18-ptrace-225531/arch/ia64/kernel/ptrace.c	2007-05-08 12:45:27.000000000 -0400
>@@ -1562,22 +1563,26 @@
> 	{WORD(cfm, 1),			0,	ELF_CFM_OFFSET},
> 	{WORD(cr_ipsr, 1),		0,	ELF_CR_IPSR_OFFSET},
> 	{WORD(pr, 1),			0,	ELF_PR_OFFSET},
>-	{WORD(gr[0], 32),		0,	ELF_GR_OFFSET(0)},
>+	{WORD(gr[0], 1),		-1,	-1},
>+	{WORD(gr[1], 31),		0,	ELF_GR_OFFSET(1)},
> 	{WORD(br[0], 8),		0, 	ELF_BR_OFFSET(0)},
>-	{WORD(ar[0], 16),		-1,	0},
>+	{WORD(ar[0], 16),		-1,	-1},
> 	{WORD(ar[PT_AUR_RSC], 4),	0,	ELF_AR_RSC_OFFSET},
>-	{WORD(ar[PT_AUR_RNAT+1], 12),	-1,	0},
>+	{WORD(ar[PT_AUR_RNAT+1], 12),	-1,	-1},
> 	{WORD(ar[PT_AUR_CCV], 1),	0,	ELF_AR_CCV_OFFSET},
>-	{WORD(ar[PT_AUR_CCV+1], 3),	-1,	0},
>+	{WORD(ar[PT_AUR_CCV+1], 3),	-1,	-1},
> 	{WORD(ar[PT_AUR_UNAT], 1), 	0,	ELF_AR_UNAT_OFFSET},
>-	{WORD(ar[PT_AUR_UNAT+1], 3),	-1,	0},
>+	{WORD(ar[PT_AUR_UNAT+1], 3),	-1,	-1},
> 	{WORD(ar[PT_AUR_FPSR], 1), 	0,	ELF_AR_FPSR_OFFSET},
>-	{WORD(ar[PT_AUR_FPSR+1], 24), 	-1,	0},
>+	{WORD(ar[PT_AUR_FPSR+1], 23), 	-1,	-1},
> 	{WORD(ar[PT_AUR_PFS], 3),  	0,	ELF_AR_PFS_OFFSET},
>-	{WORD(ar[PT_AUR_EC+1], 62),	-1,	0},
>+	{WORD(ar[PT_AUR_EC+1], 62),	-1,	-1},
> 	{offsetof(struct pt_all_user_regs, fr[0]),
>+	 offsetof(struct pt_all_user_regs, fr[2]),
>+	 -1, -1},
>+	{offsetof(struct pt_all_user_regs, fr[2]),
> 	 offsetof(struct pt_all_user_regs, fr[128]),
>-	 1, 0},
>+	 1, 2 * sizeof(elf_fpreg_t)},
> 	{0, 0, -1, 0}
> };
> #undef WORD

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Attachments on bug 225531: 147002 | 154319