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| author | Miklos Szeredi <mszeredi@redhat.com> | 2018-10-04 14:49:10 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-10-04 14:49:10 +0200 |
| commit | 1a8f8d2a443ef9ad9a3065ba8c8119df714240fa (patch) | |
| tree | 3abb9da74ff7da89a3a700710a6611a39c61ebf9 /fs/overlayfs | |
| parent | ovl: fix access beyond unterminated strings (diff) | |
| download | linux-1a8f8d2a443ef9ad9a3065ba8c8119df714240fa.tar.xz linux-1a8f8d2a443ef9ad9a3065ba8c8119df714240fa.zip | |
ovl: fix format of setxattr debug
Format has a typo: it was meant to be "%.*s", not "%*s". But at some point
callers grew nonprintable values as well, so use "%*pE" instead with a
maximized length.
Reported-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 3a1e819b4e80 ("ovl: store file handle of lower inode on copy up")
Cc: <stable@vger.kernel.org> # v4.12
Diffstat (limited to 'fs/overlayfs')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index f61839e1054c..a3c0d9584312 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -152,8 +152,8 @@ static inline int ovl_do_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags) { int err = vfs_setxattr(dentry, name, value, size, flags); - pr_debug("setxattr(%pd2, \"%s\", \"%*s\", 0x%x) = %i\n", - dentry, name, (int) size, (char *) value, flags, err); + pr_debug("setxattr(%pd2, \"%s\", \"%*pE\", %zu, 0x%x) = %i\n", + dentry, name, min((int)size, 48), value, size, flags, err); return err; } |