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Date: Thu, 26 Nov 2015 15:27:28 +0000 From: Al Viro <viro@...IV.linux.org.uk> To: Theodore Ts'o <tytso@....edu> Cc: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] fix an endianness bug in ext4_encrypted_follow_link() applying le32_to_cpu() to 16bit value is a bad idea... Cc: stable@...r.kernel.org # v4.1+ Signed-off-by: Al Viro <viro@...iv.linux.org.uk> --- diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index abe2401..e8e7af6 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -52,7 +52,7 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook /* Symlink is encrypted */ sd = (struct ext4_encrypted_symlink_data *)caddr; cstr.name = sd->encrypted_path; - cstr.len = le32_to_cpu(sd->len); + cstr.len = le16_to_cpu(sd->len); if ((cstr.len + sizeof(struct ext4_encrypted_symlink_data) - 1) > max_size) { -- 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
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