[S390] CVE-2008-1514: prevent ptrace padding area read/write in 31-bit mode

[karo-tx-linux.git] / arch / s390 / kernel / compat_ptrace.h

diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h
index cde81fa64f89bf17bc586dce3f973e77f55985e8..a2be3a978d5c43281e3cf3115e2dfb19d473307f 100644 (file)
--- a/arch/s390/kernel/compat_ptrace.h
+++ b/arch/s390/kernel/compat_ptrace.h
@@ -42,6 +42,7 @@ struct user_regs_struct32
        u32 gprs[NUM_GPRS];
        u32 acrs[NUM_ACRS];
        u32 orig_gpr2;
+       /* nb: there's a 4-byte hole here */
        s390_fp_regs fp_regs;
        /*
         * These per registers are in here so that gdb can modify them