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perf tools: Ensure sscanf does not overrun the "mem" field
authorAlan Cox <alan@linux.intel.com>
Mon, 20 Jan 2014 18:10:11 +0000 (19:10 +0100)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Mon, 20 Jan 2014 19:19:08 +0000 (16:19 -0300)
commita761a2d8a7175b7b4e8525e0672e1a8d3c051001
tree6b5abffcec6275081ba411e04fdd3a993a7b1ac4
parent8a398897ff21f73cb8b15a19514660f032926882
perf tools: Ensure sscanf does not overrun the "mem" field

Make the parsing robust.

(perf has some other assumptions that BUFSIZE <= MAX_PATH which are
 not touched here)

Reported-by: Jackie Chang
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-g2uoiwbrpiimb63rx32qv8ne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/header.c