linux-ext4 - [PATCH 2/4] e2fsck: use size_t instead of int in string

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri,  5 Jun 2020 10:14:40 +0200
From:   Lukas Czerner <lczerner@...hat.com>
To:     linux-ext4@...r.kernel.org
Subject: [PATCH 2/4] e2fsck: use size_t instead of int in string_copy()

len argument in string_copy() is int, but it is used with malloc(),
strlen(), strncpy() and some callers use sizeof() to pass value in. So
it really ought to be size_t rather than int. Fix it.

Signed-off-by: Lukas Czerner <lczerner@...hat.com>
---
 e2fsck/e2fsck.h | 2 +-
 e2fsck/util.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/e2fsck/e2fsck.h b/e2fsck/e2fsck.h
index 9b2b9ce8..85f953b2 100644
--- a/e2fsck/e2fsck.h
+++ b/e2fsck/e2fsck.h
@@ -627,7 +627,7 @@ extern void log_err(e2fsck_t ctx, const char *fmt, ...)
 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
 extern void preenhalt(e2fsck_t ctx);
-extern char *string_copy(e2fsck_t ctx, const char *str, int len);
+extern char *string_copy(e2fsck_t ctx, const char *str, size_t len);
 extern int fs_proc_check(const char *fs_name);
 extern int check_for_modules(const char *fs_name);
 #ifdef RESOURCE_TRACK
diff --git a/e2fsck/util.c b/e2fsck/util.c
index d98b8e47..88e0ea8a 100644
--- a/e2fsck/util.c
+++ b/e2fsck/util.c
@@ -135,7 +135,7 @@ void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
 }
 
 char *string_copy(e2fsck_t ctx EXT2FS_ATTR((unused)),
-		  const char *str, int len)
+		  const char *str, size_t len)
 {
 	char	*ret;
 
-- 
2.21.3