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| author | Mark Wielaard <mjw@redhat.com> | 2014-11-14 12:38:12 +0100 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2014-11-14 12:38:12 +0100 |
| commit | df5ad1681cfc5c27df853299c5d8bfea5448bcca (patch) | |
| tree | 378fe28f6ceee689f813c12b427114006c50e4ec | |
| parent | ad87d27664c982887ebbc88cf1a1fb431255d709 (diff) | |
| download | elfutils-df5ad1681cfc5c27df853299c5d8bfea5448bcca.tar.gz | |
libdwfl: dwfl_module_getdwarf.c don't use symtab with bogus sh_entsize.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
| -rw-r--r-- | libdwfl/ChangeLog | 5 | ||||
| -rw-r--r-- | libdwfl/dwfl_module_getdwarf.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog index 78314c4a..22bc783d 100644 --- a/libdwfl/ChangeLog +++ b/libdwfl/ChangeLog @@ -1,3 +1,8 @@ +2014-11-14 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have + a zero sh_entsize. + 2014-11-10 Mark Wielaard <mjw@redhat.com> * dwfl_module_getdwarf.c (find_dynsym): New inner function diff --git a/libdwfl/dwfl_module_getdwarf.c b/libdwfl/dwfl_module_getdwarf.c index adb94b4c..a20875b5 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; |