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fs/romfs: fix string overflow when the length of rn_name exceeds NAME_MAX + 1

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Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
This commit is contained in:
Jiuzhu Dong
2022-04-01 11:03:56 +08:00
committed by Petro Karashchenko
parent b5fb93aefb
commit 8a80a853b7
1 changed files with 2 additions and 1 deletions
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fs/romfs/fs_romfs.c
+2 -1
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@@ -870,7 +870,8 @@ static int romfs_readdir(FAR struct inode *mountpt,
#ifdef CONFIG_FS_ROMFS_CACHE_NODE #ifdef CONFIG_FS_ROMFS_CACHE_NODE
next = (*dir->u.romfs.fr_currnode)->rn_next; next = (*dir->u.romfs.fr_currnode)->rn_next;
strcpy(dir->fd_dir.d_name, (*dir->u.romfs.fr_currnode)->rn_name); strlcpy(dir->fd_dir.d_name, (*dir->u.romfs.fr_currnode)->rn_name,
sizeof(dir->fd_dir.d_name));
dir->u.romfs.fr_currnode++; dir->u.romfs.fr_currnode++;
#else #else
/* Parse the directory entry */ /* Parse the directory entry */