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Eric Dumazet c5df581389 inet: make sure to grab rcu_read_lock before using ireq->ireq_opt ... [ Upstream commit 2ab2ddd301a22ca3c5f0b743593e4ad2953dfa53 ] Timer handlers do not imply rcu_read_lock(), so my recent fix triggered a LOCKDEP warning when SYNACK is retransmit. Lets add rcu_read_lock()/rcu_read_unlock() pairs around ireq->ireq_opt usages instead of guessing what is done by callers, since it is not worth the pain. Get rid of ireq_opt_deref() helper since it hides the logic without real benefit, since it is now a standard rcu_dereference(). Fixes: 1ad98e9d1bdf ("tcp/dccp: fix lockdep issue when SYN is backlogged") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		6 years ago
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ccids	dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart()	7 years ago
Kconfig	…
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ackvec.c	…
ackvec.h	…
ccid.c	…
ccid.h	…
dccp.h	…
diag.c	…
feat.c	dccp: fix a memleak for dccp_feat_init err process	8 years ago
feat.h	…
input.c	tcp/dccp: fix lockdep issue when SYN is backlogged	6 years ago
ipv4.c	inet: make sure to grab rcu_read_lock before using ireq->ireq_opt	6 years ago
ipv6.c	dccp: initialize ireq->ir_mark	7 years ago
ipv6.h	…
minisocks.c	tcp/dccp: block bh before arming time_wait timer	7 years ago
options.c	networking: make skb_push & __skb_push return void pointers	8 years ago
output.c	…
probe.c	…
proto.c	dccp: don't free ccid2_hc_tx_sock struct in dccp_disconnect()	7 years ago
qpolicy.c	…
sysctl.c	…
timer.c	dccp: fix tasklet usage	7 years ago