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Commit 9ea74f06 authored by David Woodhouse's avatar David Woodhouse
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AUDIT: Round up audit skb expansion to AUDIT_BUFSIZ. 



Otherwise, we will be repeatedly reallocating, even if we're only
adding a few bytes at a time. Pointed out by Steve Grubb.

Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent add67141

kernel/audit.c

+1 −1
Original line number Diff line number Diff line
@@ -670,7 +670,7 @@ static void audit_log_vformat(struct audit_buffer *ab, const char *fmt, 
		/* The printk buffer is 1024 bytes long, so if we get

		 * here and AUDIT_BUFSIZ is at least 1024, then we can

		 * log everything that printk could have logged. */

		avail = audit_expand(ab, 1+len-avail);

		avail = audit_expand(ab, max_t(AUDIT_BUFSIZ, 1+len-avail));

		if (!avail)

			goto out;

		len = vsnprintf(skb->tail, avail, fmt, args2);