diff options
Diffstat (limited to 'sys-kernel/vanilla-prepatch-sources/files/vanilla-prepatch-sources.CAN-2004-0001.patch')
| -rw-r--r-- | sys-kernel/vanilla-prepatch-sources/files/vanilla-prepatch-sources.CAN-2004-0001.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sys-kernel/vanilla-prepatch-sources/files/vanilla-prepatch-sources.CAN-2004-0001.patch b/sys-kernel/vanilla-prepatch-sources/files/vanilla-prepatch-sources.CAN-2004-0001.patch new file mode 100644 index 000000000000..bb51f9aa9a62 --- /dev/null +++ b/sys-kernel/vanilla-prepatch-sources/files/vanilla-prepatch-sources.CAN-2004-0001.patch @@ -0,0 +1,29 @@ +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]): |