github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-04 20:46:48 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ext4: fix diagnostic printf formats

Browse Source 
The formats for non-terminated names should be "%.*s" not "%*.s".
The kernel currently treats "%*.s" as equivalent to "%*s" whereas
userspace requires it be equivalent to "%*.0s".
Neither is correct here.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
Link: https://patch.msgid.link/20260326201804.3881-1-david.laight.linux@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
David Laight 2026-03-26 20:18:04 +00:00 committed by Theodore Ts'o
parent 52b4fea162
commit 6ea3b34d86
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/ext4/namei.c
View File

@ -647,7 +647,7 @@ static struct stats dx_show_leaf(struct inode *dir,
/* Directory is not encrypted */
(void) ext4fs_dirhash(dir, de->name,
de->name_len, &h);
printk("%*.s:(U)%x.%u ", len,
printk("%.*s:(U)%x.%u ", len,
name, h.hash,
(unsigned) ((char *) de
- base));
@ -683,7 +683,7 @@ static struct stats dx_show_leaf(struct inode *dir,
(void) ext4fs_dirhash(dir,
de->name,
de->name_len, &h);
printk("%*.s:(E)%x.%u ", len, name,
printk("%.*s:(E)%x.%u ", len, name,
h.hash, (unsigned) ((char *) de
- base));
fscrypt_fname_free_buffer(
@ -694,7 +694,7 @@ static struct stats dx_show_leaf(struct inode *dir,
char *name = de->name;
(void) ext4fs_dirhash(dir, de->name,
de->name_len, &h);
printk("%*.s:%x.%u ", len, name, h.hash,
printk("%.*s:%x.%u ", len, name, h.hash,
(unsigned) ((char *) de - base));
#endif
}