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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-10 10:59:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-10 10:59:39 -0700 |
| commit | d90d2c385d4d832428d1e51c2a7edeef39c822f5 (patch) | |
| tree | 979edd96372170564f8b0f9b2e230dc0cde85794 /arch/powerpc/kernel/signal_64.c | |
| parent | 128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff) | |
| parent | 133dda1e4f757e036fa838cba6804d0344931c4a (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[PATCH] powerpc: Fix cell blade detection
[PATCH] powerpc: Fix call to ibm,client-architecture-support
powerpc: Fix machine check problem on 32-bit kernels
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 27f65b95184..c2db642f4cd 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, err |= __get_user(msr, &sc->gp_regs[PT_MSR]); if (err) return err; + if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128))) + return -EFAULT; /* Copy 33 vec registers (vr0..31 and vscr) from the stack */ if (v_regs != 0 && (msr & MSR_VEC) != 0) err |= __copy_from_user(current->thread.vr, v_regs, |