17 Oct, 2007
1 commit
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include/asm-powerpc/elf.h has 6 entries in ARCH_DLINFO. fs/binfmt_elf.c
has 14 unconditional NEW_AUX_ENT entries and 2 conditional NEW_AUX_ENT
entries. So in the worst case, saved_auxv does not get an AT_NULL entry at
the end.The saved_auxv array must be terminated with an AT_NULL entry. Make the
size of mm_struct->saved_auxv arch dependend, based on the number of
ARCH_DLINFO entries.Signed-off-by: Olaf Hering
Cc: Roland McGrath
Cc: Jakub Jelinek
Cc: Richard Henderson
Cc: Ivan Kokshaysky
Cc: "Luck, Tony"
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Paul Mundt
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
14 Jan, 2006
1 commit
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On PowerPC, we want to be able to provide an AT_PLATFORM aux table
entry to userspace, so that glibc can choose optimized libraries for
the processor we're running on. Unfortunately that would be the 21st
aux table entry on powerpc, meaning that the aux table including the
terminating null entry would overflow the mm->saved_auxv[] array,
leading to userland programs segfaulting.This increases the size of the mm->saved_auxv array to be large enough
to accommodate an AT_PLATFORM entry on powerpc.Signed-off-by: Paul Mackerras
Signed-off-by: Linus Torvalds
08 Sep, 2005
1 commit
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The size of auxiliary vector is fixed at 42 in linux/sched.h. But it isn't
very obvious when looking at linux/elf.h. This patch adds AT_VECTOR_SIZE
so that we can change it if necessary when a new vector is added.Because of include file ordering problems, doing this necessitated the
extraction of the AT_* symbols into a standalone header file.Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
