x86_64, entry: Fix out of bounds read on sysenter

[karo-tx-linux.git] / arch / x86 / ia32 / ia32entry.S

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 8ffba18395c8bb0a93c6a9dc65cfd8739a5937f3..ffe71228fc10c3080795c576b1ffae6b62160d7f 100644 (file)
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -157,7 +157,7 @@ ENTRY(ia32_sysenter_target)
         * ourselves.  To save a few cycles, we can check whether
         * NT was set instead of doing an unconditional popfq.
         */
-       testl $X86_EFLAGS_NT,EFLAGS(%rsp)       /* saved EFLAGS match cpu */
+       testl $X86_EFLAGS_NT,EFLAGS-ARGOFFSET(%rsp)
        jnz sysenter_fix_flags
 sysenter_flags_fixed: