diff options
| author | Mark Wielaard <mjw@redhat.com> | 2015-05-24 00:07:33 +0200 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2015-05-27 23:15:11 +0200 |
| commit | e115bda377091bc211a786cdc7474337dd5508b6 (patch) | |
| tree | 212dc6203775cf044974fd355d5a5529fe62a11e /libdwfl | |
| parent | 712f3c8930a372345b94270ede67233f94a7263b (diff) | |
| download | elfutils-e115bda377091bc211a786cdc7474337dd5508b6.tar.gz | |
libdwfl: Check mod is not NULL in check_module.
check_module is called from dwfl_module_relocate_address and from
dwfl_module_address_section. Both could take a NULL Dwfl_Module if
an earlier error had occured. Make check_module return immediately
indicating an issue in that case.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
Diffstat (limited to 'libdwfl')
| -rw-r--r-- | libdwfl/ChangeLog | 4 | ||||
| -rw-r--r-- | libdwfl/derelocate.c | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog index 90fc0f30..dec3405b 100644 --- a/libdwfl/ChangeLog +++ b/libdwfl/ChangeLog @@ -1,3 +1,7 @@ +2015-05-24 Mark Wielaard <mjw@redhat.com> + + * derelocate.c (check_module): Check mod is not NULL. + 2015-05-22 Mark Wielaard <mjw@redhat.com> * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with diff --git a/libdwfl/derelocate.c b/libdwfl/derelocate.c index 2889fe41..48f81935 100644 --- a/libdwfl/derelocate.c +++ b/libdwfl/derelocate.c @@ -285,6 +285,9 @@ dwfl_module_relocation_info (Dwfl_Module *mod, unsigned int idx, static bool check_module (Dwfl_Module *mod) { + if (mod == NULL) + return true; + if (INTUSE(dwfl_module_getsymtab) (mod) < 0) { Dwfl_Error error = dwfl_errno (); |