diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/kernel/ptrace.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c index 892212161a..60dc9b9895 100644 --- a/arch/x86_64/kernel/ptrace.c +++ b/arch/x86_64/kernel/ptrace.c | |||
| @@ -257,13 +257,13 @@ static int putreg(struct task_struct *child, | |||
| 257 | value &= 0xffff; | 257 | value &= 0xffff; |
| 258 | return 0; | 258 | return 0; |
| 259 | case offsetof(struct user_regs_struct,fs_base): | 259 | case offsetof(struct user_regs_struct,fs_base): |
| 260 | if (!((value >> 48) == 0 || (value >> 48) == 0xffff)) | 260 | if (value >= TASK_SIZE) |
| 261 | return -EIO; | 261 | return -EIO; |
| 262 | child->thread.fs = value; | 262 | child->thread.fs = value; |
| 263 | return 0; | 263 | return 0; |
| 264 | case offsetof(struct user_regs_struct,gs_base): | 264 | case offsetof(struct user_regs_struct,gs_base): |
| 265 | if (!((value >> 48) == 0 || (value >> 48) == 0xffff)) | 265 | if (value >= TASK_SIZE) |
| 266 | return -EIO; | 266 | return -EIO; |
| 267 | child->thread.gs = value; | 267 | child->thread.gs = value; |
| 268 | return 0; | 268 | return 0; |
| 269 | case offsetof(struct user_regs_struct, eflags): | 269 | case offsetof(struct user_regs_struct, eflags): |