| Message ID | 36cefa8b-3441-91b4-1f8c-51c4d7004141@schaufler-ca.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 658f5d8..463af86 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1915,7 +1915,7 @@ static int smack_file_receive(struct file *file) smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH); smk_ad_setfield_u_fs_path(&ad, file->f_path); - if (S_ISSOCK(inode->i_mode)) { + if (inode->i_sb->s_magic == SOCKFS_MAGIC) { sock = SOCKET_I(inode); ssp = sock->sk->sk_security; tsp = current_security();
Subject: [PATCH] Smack: Safer check for a socket in file_receive The check of S_ISSOCK() in smack_file_receive() is not appropriate if the passed descriptor is a socket. Reported-by: Stephen Smalley <sds@tyco.nsa.gov> Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> --- security/smack/smack_lsm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html