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apparmor: fix arg_size computation for when setprocattr is null terminated

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Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen 2016-07-09 23:46:33 -07:00
parent e89b808132
commit d4d03f74a7
1 changed files with 1 additions and 1 deletions
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2
security/apparmor/lsm.c
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@ -529,7 +529,7 @@ static int apparmor_setprocattr(struct task_struct *task, char *name,
if (!*args) if (!*args)
goto out; goto out;
arg_size = size - (args - (char *) value); arg_size = size - (args - (largs ? largs : (char *) value));
if (strcmp(name, "current") == 0) { if (strcmp(name, "current") == 0) {
if (strcmp(command, "changehat") == 0) { if (strcmp(command, "changehat") == 0) {
error = aa_setprocattr_changehat(args, arg_size, error = aa_setprocattr_changehat(args, arg_size,