Date: Sat, 25 Feb 2012 01:33:39 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r232143 - head/sys/i386/linux Message-ID: <201202250133.q1P1XdO6093077@svn.freebsd.org>
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Author: kib Date: Sat Feb 25 01:33:39 2012 New Revision: 232143 URL: http://svn.freebsd.org/changeset/base/232143 Log: Do not write to the user address directly, use suword(). Reported by: Bengt Ahlgren <bengta sics se> MFC after: 1 week Modified: head/sys/i386/linux/linux_sysvec.c Modified: head/sys/i386/linux/linux_sysvec.c ============================================================================== --- head/sys/i386/linux/linux_sysvec.c Sat Feb 25 01:20:53 2012 (r232142) +++ head/sys/i386/linux/linux_sysvec.c Sat Feb 25 01:33:39 2012 (r232143) @@ -227,11 +227,11 @@ linux_fixup(register_t **stack_base, str argv = *stack_base; envp = *stack_base + (imgp->args->argc + 1); (*stack_base)--; - **stack_base = (intptr_t)(void *)envp; + suword(*stack_base, (intptr_t)(void *)envp); (*stack_base)--; - **stack_base = (intptr_t)(void *)argv; + suword(*stack_base, (intptr_t)(void *)argv); (*stack_base)--; - **stack_base = imgp->args->argc; + suword(*stack_base, imgp->args->argc); return (0); } @@ -286,7 +286,7 @@ elf_linux_fixup(register_t **stack_base, imgp->auxargs = NULL; (*stack_base)--; - **stack_base = (register_t)imgp->args->argc; + suword(*stack_base, (register_t)imgp->args->argc); return (0); }
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