Messages in this thread Patch in this message | | | Date | Tue, 05 Sep 2006 17:08:55 +0400 | From | Kirill Korotaev <> | Subject | Re: [PATCH] IA64,sparc: local DoS with corrupted ELFs |
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Andrew, Kyle,
> On Mon, Sep 04, 2006 at 04:17:00PM +0400, Kirill Korotaev wrote: > >>--- a/include/asm-generic/mman.h >>+++ b/include/asm-generic/mman.h >>@@ -39,4 +39,10 @@ #define MADV_DOFORK 11 /* do inherit ac >>#define MAP_ANON MAP_ANONYMOUS >>#define MAP_FILE 0 >> >>+#ifdef __KERNEL__ >>+#ifndef arch_mmap_check >>+#define arch_mmap_check(addr, len, flags) (0) >>+#endif >>+#endif >>+ >>#endif > > > This breaks all arches that don't use asm-generic/mman.h, and that you > didn't add arch_mmap_check to asm/mman.h for.
oops... You are right.
is define #define arch_mmap_check(addr, len, flags) (0) ok for you in such mman.h headers which do not include asm-generic/mman.h? If yes, the following patch should help.
Though I didn't get the idea of include/asm-um/mman.h: #include "asm/arch/mman.h"
This patch adds define of arch_mmap_check() to archs which do not include include/asm-generic/mman.h
---
diff --git a/include/asm-alpha/mman.h b/include/asm-alpha/mman.h index 5f24c75..51cf354 100644 --- a/include/asm-alpha/mman.h +++ b/include/asm-alpha/mman.h @@ -52,4 +52,10 @@ #define MADV_DOFORK 11 /* do inherit ac #define MAP_ANON MAP_ANONYMOUS #define MAP_FILE 0 +#ifdef __KERNEL__ +#ifndef arch_mmap_check +#define arch_mmap_check(addr, len, flags) (0) +#endif +#endif + #endif /* __ALPHA_MMAN_H__ */ diff --git a/include/asm-mips/mman.h b/include/asm-mips/mman.h index 046cf68..f19e858 100644 --- a/include/asm-mips/mman.h +++ b/include/asm-mips/mman.h @@ -75,4 +75,10 @@ #define MADV_DOFORK 11 /* do inherit ac #define MAP_ANON MAP_ANONYMOUS #define MAP_FILE 0 +#ifdef __KERNEL__ +#ifndef arch_mmap_check +#define arch_mmap_check(addr, len, flags) (0) +#endif +#endif + #endif /* _ASM_MMAN_H */ diff --git a/include/asm-parisc/mman.h b/include/asm-parisc/mman.h index 0ef15ee..9829b31 100644 --- a/include/asm-parisc/mman.h +++ b/include/asm-parisc/mman.h @@ -59,4 +59,10 @@ #define MAP_ANON MAP_ANONYMOUS #define MAP_FILE 0 #define MAP_VARIABLE 0 +#ifdef __KERNEL__ +#ifndef arch_mmap_check +#define arch_mmap_check(addr, len, flags) (0) +#endif +#endif + #endif /* __PARISC_MMAN_H__ */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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