Commit 74f430cd authored by Sasha Levin's avatar Sasha Levin Committed by Kees Cook
Browse files

Yama: use atomic allocations when reporting 



Access reporting often happens from atomic contexes. Avoid
lockups when allocating memory for command lines.

Fixes: 8a56038c ("Yama: consolidate error reporting")
Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
parent 470bf1f2

security/yama/yama_lsm.c

+2 −2
Original line number Diff line number Diff line
@@ -47,8 +47,8 @@ static void report_access(const char *access, struct task_struct *target, 
{

	char *target_cmd, *agent_cmd;



	target_cmd = kstrdup_quotable_cmdline(target, GFP_KERNEL);

	agent_cmd = kstrdup_quotable_cmdline(agent, GFP_KERNEL);

	target_cmd = kstrdup_quotable_cmdline(target, GFP_ATOMIC);

	agent_cmd = kstrdup_quotable_cmdline(agent, GFP_ATOMIC);



	pr_notice_ratelimited(

		"ptrace %s of \"%s\"[%d] was attempted by \"%s\"[%d]\n",