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David Howells c56289ec58 rxrpc: Fix trace-after-put looking at the put connection record 
[ Upstream commit 4c1295dccc ]

rxrpc_put_*conn() calls trace_rxrpc_conn() after they have done the
decrement of the refcount - which looks at the debug_id in the connection
record.  But unless the refcount was reduced to zero, we no longer have the
right to look in the record and, indeed, it may be deleted by some other
thread.

Fix this by getting the debug_id out before decrementing the refcount and
then passing that into the tracepoint.

Fixes: 363deeab6d ("rxrpc: Add connection tracepoint and client conn state tracepoint")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-27 14:51:16 +01:00
..
af_rxrpc.c rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2] 2020-01-27 14:51:07 +01:00
ar-internal.h rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2] 2020-01-27 14:51:07 +01:00
call_accept.c rxrpc: Fix trace-after-put looking at the put connection record 2020-01-27 14:51:16 +01:00
call_event.c rxrpc: Fix lockup due to no error backoff after ack transmit error 2018-11-23 08:17:07 +01:00
call_object.c rxrpc: Fix net namespace cleanup 2019-05-05 14:42:38 +02:00
conn_client.c rxrpc: Fix trace-after-put looking at the put connection record 2020-01-27 14:51:16 +01:00
conn_event.c rxrpc: Fix connection-level abort handling 2018-10-08 22:42:04 +01:00
conn_object.c rxrpc: Fix trace-after-put looking at the put connection record 2020-01-27 14:51:16 +01:00
conn_service.c rxrpc: Fix trace-after-put looking at the put connection record 2020-01-27 14:51:16 +01:00
input.c rxrpc: Fix detection of out of order acks 2020-01-27 14:50:38 +01:00
insecure.c rxrpc: Trace protocol errors in received packets 2017-04-06 11:09:39 +01:00
Kconfig
key.c rxrpc: Use correct timestamp from Kerberos 5 ticket 2017-08-29 10:55:06 +01:00
local_event.c rxrpc: Trace packet transmission 2018-08-01 13:28:23 +01:00
local_object.c rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2] 2020-01-27 14:51:07 +01:00
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 rxrpc: Fix call timeouts 2017-11-24 10:18:41 +00:00
net_ns.c rxrpc: Fix the keepalive generator [ver #2] 2018-08-08 19:10:26 -07:00
output.c rxrpc: Fix uninitialized error code in rxrpc_send_data_packet() 2020-01-27 14:50:59 +01:00
peer_event.c rxrpc: Fix possible NULL pointer access in ICMP handling 2020-01-09 10:19:08 +01:00
peer_object.c rxrpc: Fix trace-after-put looking at the put peer record 2019-11-06 13:06:24 +01:00
proc.c rxrpc: Remove set but not used variable 'nowj' 2018-08-02 10:18:20 -07:00
protocol.h rxrpc: Improve up-front incoming packet checking 2018-09-28 10:32:31 +01:00
recvmsg.c rxrpc: bad unlock balance in rxrpc_recvmsg 2019-02-12 19:47:22 +01:00
rxkad.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-09 11:52:36 -07:00
security.c rxrpc: remove unused static variables 2018-03-30 21:04:44 +01:00
sendmsg.c rxrpc: Fix call ref leak 2019-11-06 13:06:23 +01:00
skbuff.c net: convert sk_buff.users from atomic_t to refcount_t 2017-07-01 07:39:07 -07:00
sysctl.c rxrpc: remove redundant static int 'zero' 2018-08-11 11:25:18 -07:00
utils.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00