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  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 15 Mar 2012 17:07:32 -0700
From:	Joe Perches <joe@...ches.com>
To:	"Theodore Ts'o" <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>
Cc:	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/9] ext4: Add no_printk argument validation, fix fallout

Add argument validation to debug functions.
Use ##__VA_ARGS__.

Fix format and argument mismatches.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 fs/ext4/ext4.h         |    2 +-
 fs/ext4/ext4_extents.h |    4 ++--
 fs/ext4/inode.c        |    2 +-
 fs/ext4/xattr.c        |   13 ++++++++-----
 4 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 30d32e2..2aaf549 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -50,7 +50,7 @@
 	pr_debug("DEBUG (%s, %d): %s:" fmt,				\
 		 __FILE__, __LINE__, __func__, ##__VA_ARGS__)
 #else
-#define ext4_debug(f, a...)	do {} while (0)
+#define ext4_debug(fmt, ...)	no_printk(fmt, ##__VA_ARGS__)
 #endif
 
 #define EXT4_ERROR_INODE(inode, fmt, a...) \
diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index a52db3a..0f58b86 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -47,9 +47,9 @@
  */
 #define EXT_DEBUG__
 #ifdef EXT_DEBUG
-#define ext_debug(a...)		printk(a)
+#define ext_debug(fmt, ...)	printk(fmt, ##__VA_ARGS__)
 #else
-#define ext_debug(a...)
+#define ext_debug(fmt, ...)	no_printk(fmt, ##__VA_ARGS__)
 #endif
 
 /*
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c67be80..a2a1ae4 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2766,7 +2766,7 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
 		goto out;
 
 	ext_debug("ext4_end_io_dio(): io_end 0x%p "
-		  "for inode %lu, iocb 0x%p, offset %llu, size %llu\n",
+		  "for inode %lu, iocb 0x%p, offset %llu, size %zd\n",
  		  iocb->private, io_end->inode->i_ino, iocb, offset,
 		  size);
 
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index a8674d2..5bc718c 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -78,8 +78,8 @@ do {									\
 		 (unsigned long)bh->b_blocknr, ##__VA_ARGS__);		\
 } while (0)
 #else
-# define ea_idebug(f...)
-# define ea_bdebug(f...)
+# define ea_idebug(inode, fmt, ...)	no_printk(fmt, ##__VA_ARGS__)
+# define ea_bdebug(bh, fmt, ...)	no_printk(fmt, ##__VA_ARGS__)
 #endif
 
 static void ext4_xattr_cache_insert(struct buffer_head *);
@@ -213,7 +213,8 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
 	error = -ENODATA;
 	if (!EXT4_I(inode)->i_file_acl)
 		goto cleanup;
-	ea_idebug(inode, "reading block %u", EXT4_I(inode)->i_file_acl);
+	ea_idebug(inode, "reading block %llu",
+		  (unsigned long long)EXT4_I(inode)->i_file_acl);
 	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	if (!bh)
 		goto cleanup;
@@ -356,7 +357,8 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size)
 	error = 0;
 	if (!EXT4_I(inode)->i_file_acl)
 		goto cleanup;
-	ea_idebug(inode, "reading block %u", EXT4_I(inode)->i_file_acl);
+	ea_idebug(inode, "reading block %llu",
+		  (unsigned long long)EXT4_I(inode)->i_file_acl);
 	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	error = -EIO;
 	if (!bh)
@@ -828,7 +830,8 @@ inserted:
 			if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 				BUG_ON(block > EXT4_MAX_BLOCK_FILE_PHYS);
 
-			ea_idebug(inode, "creating block %d", block);
+			ea_idebug(inode, "creating block %llu",
+				  (unsigned long long)block);
 
 			new_bh = sb_getblk(sb, block);
 			if (!new_bh) {
-- 
1.7.8.111.gad25c.dirty

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists