* [PATCH] libdwfl: Close ar members when they cannot be processed.
@ 2022-03-18 15:08 Mark Wielaard
0 siblings, 0 replies; only message in thread
From: Mark Wielaard @ 2022-03-18 15:08 UTC (permalink / raw)
To: elfutils-devel; +Cc: david korczynski, Mark Wielaard
When reporting ar members they should be closed when they cannot
be processed. A comment in offline.c said that process_file called
elf_end if it returned NULL. But this is incorrect. And other places
that call process_file do call elf_end explicitly when it returns
NULL.
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
libdwfl/ChangeLog | 5 +++++
libdwfl/offline.c | 8 ++++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog
index b2588b12..182f4e34 100644
--- a/libdwfl/ChangeLog
+++ b/libdwfl/ChangeLog
@@ -1,3 +1,8 @@
+2022-02-18 Mark Wielaard <mark@klomp.org>
+
+ * offline.c (process_archive_member): Close member if process_file
+ failed.
+
2022-01-03 Mark Wielaard <mark@klomp.org>
* link_map.c (dwfl_link_map_report): Only declare d32 and d64 before
diff --git a/libdwfl/offline.c b/libdwfl/offline.c
index d8697cf2..58ba4c36 100644
--- a/libdwfl/offline.c
+++ b/libdwfl/offline.c
@@ -1,5 +1,6 @@
/* Recover relocatibility for addresses computed from debug information.
Copyright (C) 2005-2009, 2012 Red Hat, Inc.
+ Copyright (C) 2022 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
@@ -233,8 +234,11 @@ process_archive_member (Dwfl *dwfl, const char *name, const char *file_name,
free (member_name);
free (module_name);
- if (*mod == NULL) /* process_file called elf_end. */
- return ELF_C_NULL;
+ if (*mod == NULL)
+ {
+ elf_end (member);
+ return ELF_C_NULL;
+ }
/* Advance the archive-reading offset for the next iteration. */
return elf_next (member);
--
2.18.4
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2022-03-18 15:08 [PATCH] libdwfl: Close ar members when they cannot be processed Mark Wielaard
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