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diff -u linux/arch/x86_64/ia32/ptrace32.c-PTRACE linux/arch/x86_64/ia32/ptrace32.c
--- linux/arch/x86_64/ia32/ptrace32.c-PTRACE 2003-06-16 13:03:58.000000000 +0200
+++ linux/arch/x86_64/ia32/ptrace32.c 2004-01-07 18:04:43.000000000 +0100
@@ -25,6 +25,10 @@
#include <asm/fpu32.h>
#include <linux/mm.h>
+/* determines which flags the user has access to. */
+/* 1 = access 0 = no access */
+#define FLAG_MASK 0x44dd5UL
+
#define R32(l,q) \
case offsetof(struct user32, regs.l): stack[offsetof(struct pt_regs, q)/8] = val; break
@@ -69,9 +73,12 @@
R32(eip, rip);
R32(esp, rsp);
- case offsetof(struct user32, regs.eflags):
- stack[offsetof(struct pt_regs, eflags)/8] = val & 0x44dd5;
+ case offsetof(struct user32, regs.eflags): {
+ __u64 *flags = &stack[offsetof(struct pt_regs, eflags)/8];
+ val &= FLAG_MASK;
+ *flags = val | (*flags & ~FLAG_MASK);
break;
+ }
case offsetof(struct user32, u_debugreg[4]):
case offsetof(struct user32, u_debugreg[5]):
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