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authorDan Carpenter <dan.carpenter@oracle.com>2019-03-07 08:41:22 +0300
committerJuergen Gross <jgross@suse.com>2019-03-08 19:58:14 +0300
commit201676095dda7e5b31a5e1d116d10fc22985075e (patch)
tree813e414ea824d48f18cf89c805fba00dd7831fb8 /fs/utimes.c
parentb1ddd406cd1e9bb51fa90d03ee562c832e38eb52 (diff)
downloadlinux-201676095dda7e5b31a5e1d116d10fc22985075e.tar.xz
xen, cpu_hotplug: Prevent an out of bounds access
The "cpu" variable comes from the sscanf() so Smatch marks it as untrusted data. We can't pass a higher value than "nr_cpu_ids" to cpu_possible() or it results in an out of bounds access. Fixes: d68d82afd4c8 ("xen: implement CPU hotplugging") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'fs/utimes.c')
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