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Yama: use atomic allocations when reporting

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

Fixes: 8a56038c2a ("Yama: consolidate error reporting")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
This commit is contained in:
Sasha Levin 2016-05-04 10:18:15 -04:00 committed by Kees Cook
parent 470bf1f27a
commit 74f430cd0f
1 changed files with 2 additions and 2 deletions
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4
security/yama/yama_lsm.c
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@ -47,8 +47,8 @@ static void report_access(const char *access, struct task_struct *target,
{ {
char *target_cmd, *agent_cmd; char *target_cmd, *agent_cmd;
target_cmd = kstrdup_quotable_cmdline(target, GFP_KERNEL); target_cmd = kstrdup_quotable_cmdline(target, GFP_ATOMIC);
agent_cmd = kstrdup_quotable_cmdline(agent, GFP_KERNEL); agent_cmd = kstrdup_quotable_cmdline(agent, GFP_ATOMIC);
pr_notice_ratelimited( pr_notice_ratelimited(
"ptrace %s of \"%s\"[%d] was attempted by \"%s\"[%d]\n", "ptrace %s of \"%s\"[%d] was attempted by \"%s\"[%d]\n",