sctp: limit maximum autoclose setsockopt value
To avoid overflowing the maximum timer interval when transforming the autoclose interval from seconds to jiffies, limit the maximum autoclose value to MAX_SCHEDULE_TIMEOUT/HZ. Signed-off-by: Andrei Pelinescu-Onciul <andrei@iptel.org> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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@ -2086,6 +2086,9 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
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return -EINVAL;
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if (copy_from_user(&sp->autoclose, optval, optlen))
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return -EFAULT;
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/* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
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if (sp->autoclose > (MAX_SCHEDULE_TIMEOUT / HZ) )
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sp->autoclose = MAX_SCHEDULE_TIMEOUT / HZ ;
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return 0;
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}
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