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authorThorsten Blum <thorsten.blum@linux.dev>2024-11-05 11:18:14 +0100
committerTheodore Ts'o <tytso@mit.edu>2024-11-13 18:56:48 +0100
commitde183b2baf90f0acc1854a3998c14b8b228f9643 (patch)
treee05f6ed8caf2a394a11085750ef6c5825abbcb43 /fs/ext4
parentjbd2: avoid dozens of -Wflex-array-member-not-at-end warnings (diff)
downloadlinux-de183b2baf90f0acc1854a3998c14b8b228f9643.tar.xz
linux-de183b2baf90f0acc1854a3998c14b8b228f9643.zip
ext4: annotate struct fname with __counted_by()
Add the __counted_by compiler attribute to the flexible array member name to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://patch.msgid.link/20241105101813.10864-2-thorsten.blum@linux.dev Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index ef6a3c8f3a9a..233479647f1b 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -418,7 +418,7 @@ struct fname {
__u32 inode;
__u8 name_len;
__u8 file_type;
- char name[];
+ char name[] __counted_by(name_len);
};
/*