From: Doron Roberts-Kedes <doro...@fb.com>
Date: Fri, 20 Apr 2018 12:11:11 -0700
> struct sock's sk_rcvtimeo is initialized to
> LONG_MAX/MAX_SCHEDULE_TIMEOUT in sock_init_data. Calling
> mod_delayed_work with a timeout of LONG_MAX causes spurious execution of
> the work function. timer->expires is set equal to jiffies + LONG_MAX.
> When timer_base->clk falls behind the current value of jiffies,
> the delta between timer_base->clk and jiffies + LONG_MAX causes the
> expiration to be in the past. Returning early from strp_start_timer if
> timeo == LONG_MAX solves this problem.
>
> Found while testing net/tls_sw recv path.
>
> Fixes: 43a0c6751a322847 ("strparser: Stream parser for messages")
> Reviewed-by: Tejun Heo <t...@kernel.org>
> Signed-off-by: Doron Roberts-Kedes <doro...@fb.com>
Applied and queued up for -stable, thanks.
