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linux/net/rxrpc
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Eric Dumazet 2ca4f6ca45 rxrpc: use rcu protection while reading sk->sk_user_data 
We need to extend the rcu_read_lock() section in rxrpc_error_report()
and use rcu_dereference_sk_user_data() instead of plain access
to sk->sk_user_data to make sure all rules are respected.

The compiler wont reload sk->sk_user_data at will, and RCU rules
prevent memory beeing freed too soon.

Fixes: f0308fb070 ("rxrpc: Fix possible NULL pointer access in ICMP handling")
Fixes: 17926a7932 ("[AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-16 12:20:17 -07:00
..
af_rxrpc.c rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2] 2019-08-30 15:06:52 -07:00
ar-internal.h rxrpc: Fix call crypto state cleanup 2019-10-07 11:05:05 +01:00
call_accept.c rxrpc: Fix call crypto state cleanup 2019-10-07 11:05:05 +01:00
call_event.c rxrpc: Use the tx-phase skb flag to simplify tracing 2019-08-27 10:04:18 +01:00
call_object.c rxrpc: Fix call crypto state cleanup 2019-10-07 11:05:05 +01:00
conn_client.c rxrpc: Fix call crypto state cleanup 2019-10-07 11:05:05 +01:00
conn_event.c rxrpc: Use the tx-phase skb flag to simplify tracing 2019-08-27 10:04:18 +01:00
conn_object.c rxrpc: Fix trace-after-put looking at the put connection record 2019-10-07 11:05:05 +01:00
conn_service.c rxrpc: Fix trace-after-put looking at the put connection record 2019-10-07 11:05:05 +01:00
input.c rxrpc: Fix misplaced traceline 2019-09-05 00:24:58 +02:00
insecure.c rxrpc: Fix -Wframe-larger-than= warnings from on-stack crypto 2019-07-30 10:32:35 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
key.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
local_event.c rxrpc: Use the tx-phase skb flag to simplify tracing 2019-08-27 10:04:18 +01:00
local_object.c rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2] 2019-08-30 15:06:52 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
misc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
net_ns.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
output.c rxrpc: Use the tx-phase skb flag to simplify tracing 2019-08-27 10:04:18 +01:00
peer_event.c rxrpc: use rcu protection while reading sk->sk_user_data 2019-10-16 12:20:17 -07:00
peer_object.c rxrpc: rxrpc_peer needs to hold a ref on the rxrpc_local record 2019-10-07 11:05:05 +01:00
proc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
protocol.h rxrpc: Improve jumbo packet counting 2019-08-27 09:48:37 +01:00
recvmsg.c rxrpc: Fix call crypto state cleanup 2019-10-07 11:05:05 +01:00
rxkad.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-02 11:20:17 -07:00
security.c Keyrings namespacing 2019-07-08 19:36:47 -07:00
sendmsg.c rxrpc: Fix call crypto state cleanup 2019-10-07 11:05:05 +01:00
skbuff.c rxrpc: Use skb_unshare() rather than skb_cow_data() 2019-08-27 10:13:46 +01:00
sysctl.c proc/sysctl: add shared variables for range check 2019-07-18 17:08:07 -07:00
utils.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00