linux32_rt_sendsig: Memset zero before copyout.
Not sure if there's any padding here, but it's a pretty big structure, fairly likely, so let's be rather safe than sorry. XXX pullup-8 XXX pullup-9 XXX pullup-10
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@ -1,4 +1,4 @@
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/* $NetBSD: linux32_machdep.c,v 1.47 2021/11/01 05:07:16 thorpej Exp $ */
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/* $NetBSD: linux32_machdep.c,v 1.48 2023/06/20 15:22:15 riastradh Exp $ */
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/*-
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* Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
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@ -31,7 +31,7 @@
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: linux32_machdep.c,v 1.47 2021/11/01 05:07:16 thorpej Exp $");
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__KERNEL_RCSID(0, "$NetBSD: linux32_machdep.c,v 1.48 2023/06/20 15:22:15 riastradh Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_user_ldt.h"
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@ -195,6 +195,7 @@ linux32_rt_sendsig(const ksiginfo_t *ksi, const sigset_t *mask)
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fp--;
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/* Build stack frame for signal trampoline. */
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memset(&frame, 0, sizeof(frame));
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NETBSD32PTR32(frame.sf_handler, catcher);
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frame.sf_sig = native_to_linux32_signo[sig];
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NETBSD32PTR32(frame.sf_sip, &fp->sf_si);
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