On Thu, 08 Mar 2012 01:02:33 +0100, Dave Jones <davej@xxxxxxxxxx> wrote:
On Thu, Mar 08, 2012 at 12:48:08AM +0100, Michal Nazarewicz wrote:
> > static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
> > struct mem_cgroup *memcg, const nodemask_t *nodemask)
> > {
> > + char gfp_string[80];
>
> For ~0, the string will be 256 characters followed by a NUL byte byte at the end.
> This combination may make no sense, but the point is that you need to take length
> of the buffer into account, probably by using snprintf() and a counter.
alternatively, we could just use a bigger buffer here.
Allocating 257 bytes on stack does not seem like a good idea especially inside of
OOM killer, where probably quite a bit of the stack was already consumed prior to
reaching this function.
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michał “mina86” Nazarewicz (o o)
ooo +----<email/xmpp: mpn@xxxxxxxxxx>--------------ooO--(_)--Ooo--
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href