diff options
| author | Philip Guenthe <guenther@cvs.openbsd.org> | 2011-07-05 04:48:03 +0000 |
|---|---|---|
| committer | Philip Guenthe <guenther@cvs.openbsd.org> | 2011-07-05 04:48:03 +0000 |
| commit | 0e36778a06f5746ef60cadc41c445d6f5b6cc647 (patch) | |
| tree | 28f4fa5e7600b312b1d6084db8548e11c7f9d783 /sys/arch/m88k | |
| parent | a7942e7ec8d68c52b4e9833fffb6c7810fde7f15 (diff) | |
Recommit the reverted sigacts change now that the NFS use-after-free
problem has been tracked down. This fixes the sharing of the signal
handling state: shared bits go in sigacts, per-rthread bits goes in
struct proc.
ok deraadt@
Diffstat (limited to 'sys/arch/m88k')
| -rw-r--r-- | sys/arch/m88k/m88k/sig_machdep.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/arch/m88k/m88k/sig_machdep.c b/sys/arch/m88k/m88k/sig_machdep.c index 49954336de8..4e3e88b2f91 100644 --- a/sys/arch/m88k/m88k/sig_machdep.c +++ b/sys/arch/m88k/m88k/sig_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sig_machdep.c,v 1.12 2011/04/18 21:44:55 guenther Exp $ */ +/* $OpenBSD: sig_machdep.c,v 1.13 2011/07/05 04:48:01 guenther Exp $ */ /* * Copyright (c) 1998, 1999, 2000, 2001 Steve Murphree, Jr. * Copyright (c) 1996 Nivas Madhur @@ -95,7 +95,7 @@ sendsig(sig_t catcher, int sig, int mask, unsigned long code, int type, vaddr_t addr; tf = p->p_md.md_tf; - oonstack = psp->ps_sigstk.ss_flags & SS_ONSTACK; + oonstack = p->p_sigstk.ss_flags & SS_ONSTACK; /* * Allocate and validate space for the signal handler * context. Note that if the stack is in data space, the @@ -104,12 +104,12 @@ sendsig(sig_t catcher, int sig, int mask, unsigned long code, int type, * the space with a `brk'. */ fsize = sizeof(struct sigframe); - if ((psp->ps_flags & SAS_ALTSTACK) && - (psp->ps_sigstk.ss_flags & SS_ONSTACK) == 0 && + if ((p->p_sigstk.ss_flags & SS_DISABLE) == 0 && + (p->p_sigstk.ss_flags & SS_ONSTACK) == 0 && (psp->ps_sigonstack & sigmask(sig))) { - fp = (struct sigframe *)(psp->ps_sigstk.ss_sp + - psp->ps_sigstk.ss_size - fsize); - psp->ps_sigstk.ss_flags |= SS_ONSTACK; + fp = (struct sigframe *)(p->p_sigstk.ss_sp + + p->p_sigstk.ss_size - fsize); + p->p_sigstk.ss_flags |= SS_ONSTACK; } else fp = (struct sigframe *)(tf->tf_r[31] - fsize); @@ -222,9 +222,9 @@ sys_sigreturn(struct proc *p, void *v, register_t *retval) * Restore the user supplied information */ if (scp->sc_onstack & SS_ONSTACK) - p->p_sigacts->ps_sigstk.ss_flags |= SS_ONSTACK; + p->p_sigstk.ss_flags |= SS_ONSTACK; else - p->p_sigacts->ps_sigstk.ss_flags &= ~SS_ONSTACK; + p->p_sigstk.ss_flags &= ~SS_ONSTACK; p->p_sigmask = scp->sc_mask & ~sigcantmask; /* |