diff options
| author | maxv <maxv@NetBSD.org> | 2014-02-21 07:53:53 +0000 |
|---|---|---|
| committer | maxv <maxv@NetBSD.org> | 2014-02-21 07:53:53 +0000 |
| commit | d91ba50b1f2201f6aece5635388d036fdcd2b58b (patch) | |
| tree | ca42f6492c658263510e0dd53a3feca5b772e243 /sys/compat/linux/common/linux_exec_elf32.c | |
| parent | 2c728e7209ae0e0fe3fcf7b24c2a60499f85e66c (diff) | |
Increase LINUX32_ELF_AUX_ENTRIES to avoid overrun in linux32/. Also,
add comments and KASSERTs to make sure people don't forget to increase
XX_AUX_ENTRIES's when adding vectors.
Reported by martin@ (CV), with suggestions from chs@.
ok martin@ chs@
Diffstat (limited to 'sys/compat/linux/common/linux_exec_elf32.c')
| -rw-r--r-- | sys/compat/linux/common/linux_exec_elf32.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/compat/linux/common/linux_exec_elf32.c b/sys/compat/linux/common/linux_exec_elf32.c index 1d368e307c6..d1565017c0e 100644 --- a/sys/compat/linux/common/linux_exec_elf32.c +++ b/sys/compat/linux/common/linux_exec_elf32.c @@ -1,4 +1,4 @@ -/* $NetBSD: linux_exec_elf32.c,v 1.88 2014/02/09 16:41:42 chs Exp $ */ +/* $NetBSD: linux_exec_elf32.c,v 1.89 2014/02/21 07:53:53 maxv Exp $ */ /*- * Copyright (c) 1995, 1998, 2000, 2001 The NetBSD Foundation, Inc. @@ -35,7 +35,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: linux_exec_elf32.c,v 1.88 2014/02/09 16:41:42 chs Exp $"); +__KERNEL_RCSID(0, "$NetBSD: linux_exec_elf32.c,v 1.89 2014/02/21 07:53:53 maxv Exp $"); #ifndef ELFSIZE /* XXX should die */ @@ -495,6 +495,7 @@ ELFNAME2(linux,copyargs)(struct lwp *l, struct exec_package *pack, *stackp += len; len = (a - ai) * sizeof(AuxInfo); + KASSERT(len <= LINUX_ELF_AUX_ENTRIES); if ((error = copyout(ai, *stackp, len)) != 0) return error; *stackp += len; |
