Doron Roberts-Kedes 7c5aba211d strparser: Do not call mod_delayed_work with a timeout of LONG_MAX ... 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: 43a0c6751a ("strparser: Stream parser for messages") Reviewed-by: Tejun Heo <tj@kernel.org> Signed-off-by: Doron Roberts-Kedes <doronrk@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-04-22 21:09:16 -04:00
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strparser.c	strparser: Do not call mod_delayed_work with a timeout of LONG_MAX	2018-04-22 21:09:16 -04:00