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Date: Wed, 1 Nov 2006 04:47:44 +0300
From: Alexey Dobriyan <adobriyan@...il.com>
To: Andrew Morton <akpm@...l.org>
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH] fs/*: trivial vsnprintf() conversion
It would very lame to get buffer overflow via one of the following.
Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
fs/adfs/super.c | 2 +-
fs/affs/amigaffs.c | 4 ++--
fs/jfs/super.c | 2 +-
fs/ocfs2/super.c | 4 ++--
fs/udf/super.c | 4 ++--
fs/ufs/super.c | 6 +++---
6 files changed, 11 insertions(+), 11 deletions(-)
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -36,7 +36,7 @@ void __adfs_error(struct super_block *sb
va_list args;
va_start(args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk(KERN_CRIT "ADFS-fs error (device %s)%s%s: %s\n",
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -445,7 +445,7 @@ affs_error(struct super_block *sb, const
va_list args;
va_start(args,fmt);
- vsprintf(ErrorBuffer,fmt,args);
+ vsnprintf(ErrorBuffer,sizeof(ErrorBuffer),fmt,args);
va_end(args);
printk(KERN_CRIT "AFFS error (device %s): %s(): %s\n", sb->s_id,
@@ -461,7 +461,7 @@ affs_warning(struct super_block *sb, con
va_list args;
va_start(args,fmt);
- vsprintf(ErrorBuffer,fmt,args);
+ vsnprintf(ErrorBuffer,sizeof(ErrorBuffer),fmt,args);
va_end(args);
printk(KERN_WARNING "AFFS warning (device %s): %s(): %s\n", sb->s_id,
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -93,7 +93,7 @@ void jfs_error(struct super_block *sb, c
va_list args;
va_start(args, function);
- vsprintf(error_buf, function, args);
+ vsnprintf(error_buf, sizeof(error_buf), function, args);
va_end(args);
printk(KERN_ERR "ERROR: (device %s): %s\n", sb->s_id, error_buf);
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1674,7 +1674,7 @@ void __ocfs2_error(struct super_block *s
va_list args;
va_start(args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
/* Not using mlog here because we want to show the actual
@@ -1695,7 +1695,7 @@ void __ocfs2_abort(struct super_block* s
va_list args;
va_start(args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk(KERN_CRIT "OCFS2: abort (device %s): %s: %s\n",
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1709,7 +1709,7 @@ void udf_error(struct super_block *sb, c
sb->s_dirt = 1;
}
va_start(args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n",
sb->s_id, function, error_buf);
@@ -1721,7 +1721,7 @@ void udf_warning(struct super_block *sb,
va_list args;
va_start (args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk(KERN_WARNING "UDF-fs warning (device %s): %s: %s\n",
sb->s_id, function, error_buf);
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -224,7 +224,7 @@ void ufs_error (struct super_block * sb,
sb->s_flags |= MS_RDONLY;
}
va_start (args, fmt);
- vsprintf (error_buf, fmt, args);
+ vsnprintf (error_buf, sizeof(error_buf), fmt, args);
va_end (args);
switch (UFS_SB(sb)->s_mount_opt & UFS_MOUNT_ONERROR) {
case UFS_MOUNT_ONERROR_PANIC:
@@ -255,7 +255,7 @@ void ufs_panic (struct super_block * sb,
sb->s_dirt = 1;
}
va_start (args, fmt);
- vsprintf (error_buf, fmt, args);
+ vsnprintf (error_buf, sizeof(error_buf), fmt, args);
va_end (args);
sb->s_flags |= MS_RDONLY;
printk (KERN_CRIT "UFS-fs panic (device %s): %s: %s\n",
@@ -268,7 +268,7 @@ void ufs_warning (struct super_block * s
va_list args;
va_start (args, fmt);
- vsprintf (error_buf, fmt, args);
+ vsnprintf (error_buf, sizeof(error_buf), fmt, args);
va_end (args);
printk (KERN_WARNING "UFS-fs warning (device %s): %s: %s\n",
sb->s_id, function, error_buf);
-
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