diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
| commit | b907a8622e39eecfc4b243f3be3ad26559d1faee (patch) | |
| tree | b99ead386fccde5ea8252b5b5ebff8ffd83cd03d /arch/sparc/kernel/sigutil_32.c | |
| parent | 68f052d01b53b858897d80beb0095920abe5868e (diff) | |
Linux-libre 4.6.3-gnupck-4.6.3-gnu
Diffstat (limited to 'arch/sparc/kernel/sigutil_32.c')
| -rw-r--r-- | arch/sparc/kernel/sigutil_32.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c index 0f6eebe71..e5fe8cef9 100644 --- a/arch/sparc/kernel/sigutil_32.c +++ b/arch/sparc/kernel/sigutil_32.c @@ -48,6 +48,10 @@ int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) { int err; + + if (((unsigned long) fpu) & 3) + return -EFAULT; + #ifdef CONFIG_SMP if (test_tsk_thread_flag(current, TIF_USEDFPU)) regs->psr &= ~PSR_EF; @@ -97,7 +101,10 @@ int restore_rwin_state(__siginfo_rwin_t __user *rp) struct thread_info *t = current_thread_info(); int i, wsaved, err; - __get_user(wsaved, &rp->wsaved); + if (((unsigned long) rp) & 3) + return -EFAULT; + + get_user(wsaved, &rp->wsaved); if (wsaved > NSWINS) return -EFAULT; |