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PR/43903 CVS commit: [netbsd-6] src

The following reply was made to PR port-amd64/43903; it has been noted by GNATS.

From: "Jeff Rizzo" <>
Subject: PR/43903 CVS commit: [netbsd-6] src
Date: Mon, 21 May 2012 15:26:00 +0000

 Module Name:   src
 Committed By:  riz
 Date:          Mon May 21 15:25:59 UTC 2012
 Modified Files:
        src/distrib/sets/lists/tests [netbsd-6]: mi
        src/lib/libc/sys [netbsd-6]: _lwp_create.2
        src/sys/arch/alpha/alpha [netbsd-6]: machdep.c
        src/sys/arch/amd64/amd64 [netbsd-6]: machdep.c netbsd32_machdep.c
        src/sys/arch/amd64/include [netbsd-6]: mcontext.h
        src/sys/arch/arm/arm [netbsd-6]: sig_machdep.c
        src/sys/arch/hppa/hppa [netbsd-6]: hppa_machdep.c
        src/sys/arch/i386/i386 [netbsd-6]: machdep.c
        src/sys/arch/m68k/m68k [netbsd-6]: sig_machdep.c
        src/sys/arch/mips/mips [netbsd-6]: cpu_subr.c netbsd32_machdep.c
        src/sys/arch/powerpc/powerpc [netbsd-6]: sig_machdep.c
        src/sys/arch/sh3/sh3 [netbsd-6]: sh3_machdep.c
        src/sys/arch/sparc/sparc [netbsd-6]: machdep.c
        src/sys/arch/sparc64/sparc64 [netbsd-6]: machdep.c netbsd32_machdep.c
        src/sys/arch/vax/vax [netbsd-6]: machdep.c
        src/sys/compat/netbsd32 [netbsd-6]: netbsd32_lwp.c
        src/sys/compat/sys [netbsd-6]: ucontext.h
        src/sys/kern [netbsd-6]: sys_lwp.c
        src/sys/sys [netbsd-6]: lwp.h ucontext.h
        src/tests/lib/libc/sys [netbsd-6]: Makefile
 Added Files:
        src/tests/lib/libc/sys [netbsd-6]: t_lwp_create.c
 Log Message:
 Pull up following revision(s) (requested by martin in ticket #274):
        sys/arch/amd64/amd64/process_machdep.c: revision 1.20
        sys/kern/sys_lwp.c: revision 1.54
        sys/arch/sparc64/sparc64/machdep.c: revision 1.267
        sys/arch/mips/mips/cpu_subr.c: revision 1.16
        sys/arch/vax/vax/machdep.c: revision 1.188
        sys/sys/lwp.h: revision 1.161
        sys/arch/sparc64/sparc64/netbsd32_machdep.c: revision 1.98
        sys/arch/alpha/alpha/machdep.c: revision 1.339
        sys/compat/sys/ucontext.h: revision 1.6
        sys/arch/hppa/hppa/hppa_machdep.c: revision 1.28
        distrib/sets/lists/tests/mi: revision 1.469
        sys/arch/powerpc/powerpc/sig_machdep.c: revision 1.42
        tests/lib/libc/sys/t_lwp_create.c: revision 1.1
        tests/lib/libc/sys/Makefile: revision 1.23
        sys/arch/arm/arm/sig_machdep.c: revision 1.42
        sys/arch/amd64/include/mcontext.h: revision 1.15
        sys/arch/amd64/amd64/machdep.c: revision 1.183
        sys/arch/sh3/sh3/sh3_machdep.c: revision 1.99
        sys/arch/i386/i386/machdep.c: revision 1.727
        sys/compat/netbsd32/netbsd32_lwp.c: revision 1.13
        sys/arch/sparc/sparc/machdep.c: revision 1.319
        sys/arch/amd64/amd64/netbsd32_machdep.c: revision 1.76
        sys/arch/m68k/m68k/sig_machdep.c: revision 1.49
        sys/sys/ucontext.h: revision 1.16
        sys/arch/mips/mips/netbsd32_machdep.c: revision 1.9
        lib/libc/sys/_lwp_create.2: revision 1.5
 Calling _lwp_create() with a bogus ucontext could trigger a kernel
 assertion failure (and thus a crash in DIAGNOSTIC kernels). Independently
 discovered by YAMAMOTO Takashi and Joel Sing.
 To avoid this, introduce a cpu_mcontext_validate() function and move all
 sanity checks from cpu_setmcontext() there. Also untangle the netbsd32
 compat mess slightly and add a cpu_mcontext32_validate() cousin there.
 Add an exhaustive atf test case, based partly on code from Joel Sing.
 Should finally fix the remaining open part of PR kern/43903.
 To generate a diff of this commit:
 cvs rdiff -u -r1.439 -r1.439.2.1 src/distrib/sets/lists/tests/mi
 cvs rdiff -u -r1.4 -r1.4.24.1 src/lib/libc/sys/_lwp_create.2
 cvs rdiff -u -r1.337 -r1.337.2.1 src/sys/arch/alpha/alpha/machdep.c
 cvs rdiff -u -r1.175.2.4 -r1.175.2.5 src/sys/arch/amd64/amd64/machdep.c
 cvs rdiff -u -r1.74 -r1.74.10.1 src/sys/arch/amd64/amd64/netbsd32_machdep.c
 cvs rdiff -u -r1.19 -r1.19.2.1 src/sys/arch/amd64/amd64/process_machdep.c
 cvs rdiff -u -r1.14 -r1.14.10.1 src/sys/arch/amd64/include/mcontext.h
 cvs rdiff -u -r1.41 -r1.41.2.1 src/sys/arch/arm/arm/sig_machdep.c
 cvs rdiff -u -r1.26 -r1.26.2.1 src/sys/arch/hppa/hppa/hppa_machdep.c
 cvs rdiff -u -r1.717.2.6 -r1.717.2.7 src/sys/arch/i386/i386/machdep.c
 cvs rdiff -u -r1.47 -r1.47.2.1 src/sys/arch/m68k/m68k/sig_machdep.c
 cvs rdiff -u -r1.14 -r1.14.8.1 src/sys/arch/mips/mips/cpu_subr.c
 cvs rdiff -u -r1.7 -r1.7.10.1 src/sys/arch/mips/mips/netbsd32_machdep.c
 cvs rdiff -u -r1.41 -r1.41.8.1 src/sys/arch/powerpc/powerpc/sig_machdep.c
 cvs rdiff -u -r1.97 -r1.97.2.1 src/sys/arch/sh3/sh3/sh3_machdep.c
 cvs rdiff -u -r1.316 -r1.316.2.1 src/sys/arch/sparc/sparc/machdep.c
 cvs rdiff -u -r1.265 -r1.265.2.1 src/sys/arch/sparc64/sparc64/machdep.c
 cvs rdiff -u -r1.96 -r1.96.2.1 \
 cvs rdiff -u -r1.185 -r1.185.2.1 src/sys/arch/vax/vax/machdep.c
 cvs rdiff -u -r1.12 -r1.12.10.1 src/sys/compat/netbsd32/netbsd32_lwp.c
 cvs rdiff -u -r1.4 -r1.4.10.1 src/sys/compat/sys/ucontext.h
 cvs rdiff -u -r1.52 -r1.52.14.1 src/sys/kern/sys_lwp.c
 cvs rdiff -u -r1.159 -r1.159.2.1 src/sys/sys/lwp.h
 cvs rdiff -u -r1.13 -r1.13.10.1 src/sys/sys/ucontext.h
 cvs rdiff -u -r1.20 -r1.20.2.1 src/tests/lib/libc/sys/Makefile
 cvs rdiff -u -r0 -r1.1.2.2 src/tests/lib/libc/sys/t_lwp_create.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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