diff options
Diffstat (limited to 'arch/powerpc/kernel/signal_64.c')
| -rw-r--r-- | arch/powerpc/kernel/signal_64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 27f65b95184d..c2db642f4cdd 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c | |||
| @@ -182,6 +182,8 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig, | |||
| 182 | err |= __get_user(msr, &sc->gp_regs[PT_MSR]); | 182 | err |= __get_user(msr, &sc->gp_regs[PT_MSR]); |
| 183 | if (err) | 183 | if (err) |
| 184 | return err; | 184 | return err; |
| 185 | if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128))) | ||
| 186 | return -EFAULT; | ||
| 185 | /* Copy 33 vec registers (vr0..31 and vscr) from the stack */ | 187 | /* Copy 33 vec registers (vr0..31 and vscr) from the stack */ |
| 186 | if (v_regs != 0 && (msr & MSR_VEC) != 0) | 188 | if (v_regs != 0 && (msr & MSR_VEC) != 0) |
| 187 | err |= __copy_from_user(current->thread.vr, v_regs, | 189 | err |= __copy_from_user(current->thread.vr, v_regs, |