From df5ad1681cfc5c27df853299c5d8bfea5448bcca Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Fri, 14 Nov 2014 12:38:12 +0100 Subject: [PATCH] libdwfl: dwfl_module_getdwarf.c don't use symtab with bogus sh_entsize. Signed-off-by: Mark Wielaard --- libdwfl/ChangeLog | 5 +++++ libdwfl/dwfl_module_getdwarf.c | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog index 78314c4a3..22bc783d6 100644 --- a/libdwfl/ChangeLog +++ b/libdwfl/ChangeLog @@ -1,3 +1,8 @@ +2014-11-14 Mark Wielaard + + * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have + a zero sh_entsize. + 2014-11-10 Mark Wielaard * dwfl_module_getdwarf.c (find_dynsym): New inner function diff --git a/libdwfl/dwfl_module_getdwarf.c b/libdwfl/dwfl_module_getdwarf.c index adb94b4c5..a20875b53 100644 --- a/libdwfl/dwfl_module_getdwarf.c +++ b/libdwfl/dwfl_module_getdwarf.c @@ -575,6 +575,8 @@ load_symtab (struct dwfl_file *file, struct dwfl_file **symfile, switch (shdr->sh_type) { case SHT_SYMTAB: + if (shdr->sh_entsize == 0) + break; symtab = true; *symscn = scn; *symfile = file; @@ -589,6 +591,8 @@ load_symtab (struct dwfl_file *file, struct dwfl_file **symfile, if (symtab) break; /* Use this if need be, but keep looking for SHT_SYMTAB. */ + if (shdr->sh_entsize == 0) + break; *symscn = scn; *symfile = file; *strshndx = shdr->sh_link; -- 2.47.2