From: Mark Wielaard <mark@klomp.org>
To: elfutils-devel@sourceware.org
Cc: David Malcolm <dmalcolm@redhat.com>, Mark Wielaard <mark@klomp.org>
Subject: [PATCH 7/7] libcpu: Free unused new bitfield on error in i386_parse.y new_bitfield.
Date: Sun, 10 May 2020 21:53:40 +0200 [thread overview]
Message-ID: <20200510195339.37191-8-mark@klomp.org> (raw)
In-Reply-To: <20200510195339.37191-1-mark@klomp.org>
GCC10 -fanalyzer detected we didn't free the newly created bitfield
on error. Make sure to free it before returning.
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
libcpu/ChangeLog | 4 ++++
libcpu/i386_parse.y | 1 +
2 files changed, 5 insertions(+)
diff --git a/libcpu/ChangeLog b/libcpu/ChangeLog
index a8b2b951..a342b7f6 100644
--- a/libcpu/ChangeLog
+++ b/libcpu/ChangeLog
@@ -1,3 +1,7 @@
+2020-05-09 Mark Wielaard <mark@klomp.org>
+
+ * i386_parse.y (new_bitfield): Call free newp on error.
+
2020-04-16 Mark Wielaard <mark@klomp.org>
* i386_disasm.c (i386_disasm): Replace assert with goto invalid_op
diff --git a/libcpu/i386_parse.y b/libcpu/i386_parse.y
index 910d5458..90c7bd93 100644
--- a/libcpu/i386_parse.y
+++ b/libcpu/i386_parse.y
@@ -579,6 +579,7 @@ new_bitfield (char *name, unsigned long int num)
error (0, 0, "%d: duplicated definition of bitfield '%s'",
i386_lineno, name);
free (name);
+ free (newp);
return;
}
--
2.20.1
next prev parent reply other threads:[~2020-05-10 20:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-10 19:53 Some more GCC10 -fanalyzer inspired patches Mark Wielaard
2020-05-10 19:53 ` [PATCH 1/7] libdwfl: Cleanup user_core resources on failure in dwfl_core_file_report Mark Wielaard
2020-05-10 19:53 ` [PATCH 2/7] tests: Make sure to not call memcmp with NULL arguments Mark Wielaard
2020-05-10 19:53 ` [PATCH 3/7] libelf: Check __gelf_getehdr_rdlock call doesn't fail in elf_getdata Mark Wielaard
2020-05-10 19:53 ` [PATCH 4/7] libelf: Check for NULL shdr in elf_strptr Mark Wielaard
2020-05-10 19:53 ` [PATCH 5/7] src: Check ebl_openbackend result before using ebl handle Mark Wielaard
2020-05-10 19:53 ` [PATCH 6/7] libdwfl: Return failure from dwfl_standard_find_debuginfo for NULL module Mark Wielaard
2020-05-10 19:53 ` Mark Wielaard [this message]
2020-05-14 12:44 ` Some more GCC10 -fanalyzer inspired patches Mark Wielaard
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