Commit 83230351 authored by Xiaoke Wang's avatar Xiaoke Wang Committed by Mimi Zohar
Browse files

integrity: check the return value of audit_log_start() 



audit_log_start() returns audit_buffer pointer on success or NULL on
error, so it is better to check the return value of it.

Fixes: 3323eec9 ("integrity: IMA as an integrity service provider")
Signed-off-by: default avatarXiaoke Wang <xkernel.wang@foxmail.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: default avatarPaul Moore <paul@paul-moore.com>
Signed-off-by: default avatarMimi Zohar <zohar@linux.ibm.com>
parent 926fd9f2

security/integrity/integrity_audit.c

+2 −0
Original line number Diff line number Diff line
@@ -45,6 +45,8 @@ void integrity_audit_message(int audit_msgno, struct inode *inode, 
		return;



	ab = audit_log_start(audit_context(), GFP_KERNEL, audit_msgno);

	if (!ab)

		return;

	audit_log_format(ab, "pid=%d uid=%u auid=%u ses=%u",

			 task_pid_nr(current),

			 from_kuid(&init_user_ns, current_uid()),