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Alexey Kodanev dd5684ecae dccp: don't restart ccid2_hc_tx_rto_expire() if sk in closed state ... ccid2_hc_tx_rto_expire() timer callback always restarts the timer again and can run indefinitely (unless it is stopped outside), and after commit 120e9dabaf ("dccp: defer ccid_hc_tx_delete() at dismantle time"), which moved ccid_hc_tx_delete() (also includes sk_stop_timer()) from dccp_destroy_sock() to sk_destruct(), this started to happen quite often. The timer prevents releasing the socket, as a result, sk_destruct() won't be called. Found with LTP/dccp_ipsec tests running on the bonding device, which later couldn't be unloaded after the tests were completed: unregister_netdevice: waiting for bond0 to become free. Usage count = 148 Fixes: 2a91aa3967 ("[DCCP] CCID2: Initial CCID2 (TCP-Like) implementation") Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		History 2018-01-26 11:15:00 -05:00
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lib	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2017-11-04 09:26:51 +09:00
ccid2.c	dccp: don't restart ccid2_hc_tx_rto_expire() if sk in closed state	2018-01-26 11:15:00 -05:00
ccid2.h	net: dccp: Convert timers to use timer_setup()	2017-10-25 12:59:19 +09:00
ccid3.c	net: dccp: Convert timers to use timer_setup()	2017-10-25 12:59:19 +09:00
ccid3.h	net: dccp: Convert timers to use timer_setup()	2017-10-25 12:59:19 +09:00
Kconfig	net/dccp/ccids: remove depends on CONFIG_EXPERIMENTAL	2013-01-11 11:39:33 -08:00