3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
commit f15838e9cac8f78f0cc506529bb9d3b9fa589c1f upstream.
Since binutils 2.26 BFD is doing suffix merging on STRTAB sections. But
dedotify modifies the symbol names in place, which can also modify
unrelated symbols with a name that matches a suffix of a dotted name. To
remove the leading dot of a symbol name we can just increment the pointer
into the STRTAB section instead.
Backport to all stables to avoid breakage when people update their
binutils - mpe.
Signed-off-by: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/module_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -192,7 +192,7 @@ static void dedotify(Elf64_Sym *syms, un
if (syms[i].st_shndx == SHN_UNDEF) {
char *name = strtab + syms[i].st_name;
if (name[0] == '.')
- memmove(name, name+1, strlen(name));
+ syms[i].st_name++;
}
}
}
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