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[PATCH] readelf: Correct overflow check for length in print_debug_aranges_section.
- From: Mark Wielaard <mjw at redhat dot com>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Tue, 16 Dec 2014 16:31:30 +0100
- Subject: [PATCH] readelf: Correct overflow check for length in print_debug_aranges_section.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
---
src/ChangeLog | 1 +
src/readelf.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/ChangeLog b/src/ChangeLog
index 1dc1957..7960496 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -2,6 +2,7 @@
* readelf.c (print_debug_line_section): Correct overflow check for
unit_length.
+ (print_debug_aranges_section): Correct overflow check for length.
2014-12-16 Mark Wielaard <mjw@redhat.com>
diff --git a/src/readelf.c b/src/readelf.c
index 3c686d5..9c62853 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -4711,7 +4711,7 @@ print_debug_aranges_section (Dwfl_Module *dwflmod __attribute__ ((unused)),
printf (gettext ("\n Length: %6" PRIu64 "\n"),
(uint64_t) length);
- if (unlikely ((ptrdiff_t) length > readendp - readp))
+ if (unlikely (length > (size_t) (readendp - readp)))
goto invalid_data;
if (length == 0)
--
1.8.3.1