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linux/net/rxrpc
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David Howells 01644a1f98 rxrpc: Fix wrong error return in rxrpc_connect_call() 
Fix rxrpc_connect_call() to return -ENOMEM rather than 0 if it fails to
look up a peer.

This generated a smatch warning:
        net/rxrpc/call_object.c:303 rxrpc_connect_call() warn: missing error code 'ret'

I think this also fixes a syzbot-found bug:

        rxrpc: Assertion failed - 1(0x1) == 11(0xb) is false
        ------------[ cut here ]------------
        kernel BUG at net/rxrpc/call_object.c:645!

where the call being put is in the wrong state - as would be the case if we
failed to clear up correctly after the error in rxrpc_connect_call().

Fixes: 9d35d880e0 ("rxrpc: Move client call connection to the I/O thread")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Reported-and-tested-by: syzbot+4bb6356bb29d6299360e@syzkaller.appspotmail.com
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/202301111153.9eZRYLf1-lkp@intel.com/
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://lore.kernel.org/r/2438405.1673460435@warthog.procyon.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-12 21:51:55 -08:00
..
af_rxrpc.c
rxrpc: Fix incoming call setup race
2023-01-07 09:30:26 +00:00
ar-internal.h
rxrpc: Fix incoming call setup race
2023-01-07 09:30:26 +00:00
call_accept.c
rxrpc: Fix incoming call setup race
2023-01-07 09:30:26 +00:00
call_event.c
rxrpc: Remove call->state_lock
2023-01-06 09:43:33 +00:00
call_object.c
rxrpc: Fix wrong error return in rxrpc_connect_call()
2023-01-12 21:51:55 -08:00
call_state.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
conn_client.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
conn_event.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
conn_object.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
conn_service.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
input.c
rxrpc: Remove call->state_lock
2023-01-06 09:43:33 +00:00
insecure.c
rxrpc: Tidy up abort generation infrastructure
2023-01-06 09:43:32 +00:00
io_thread.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
Kconfig
rxrpc: Implement an in-kernel rxperf server for testing purposes
2022-12-01 13:36:37 +00:00
key.c
rxrpc: Drop rxrpc_conn_parameters from rxrpc_connection and rxrpc_bundle
2022-12-01 13:36:38 +00:00
local_event.c
rxrpc: Make the I/O thread take over the call and local processor work
2022-12-01 13:36:42 +00:00
local_object.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
Makefile
rxrpc: Split out the call state changing functions into their own file
2023-01-06 09:43:32 +00:00
misc.c
rxrpc: Get rid of the Rx ring
2022-11-08 16:42:28 +00:00
net_ns.c
rxrpc: Move the client conn cache management to the I/O thread
2023-01-06 09:43:33 +00:00
output.c
rxrpc: Remove call->state_lock
2023-01-06 09:43:33 +00:00
peer_event.c
rxrpc: Fix locking issues in rxrpc_put_peer_locked()
2022-12-19 09:51:31 +00:00
peer_object.c
rxrpc: Stash the network namespace pointer in rxrpc_local
2023-01-06 09:43:31 +00:00
proc.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
protocol.h
rxrpc: Clone received jumbo subpackets and queue separately
2022-11-08 16:42:28 +00:00
recvmsg.c
rxrpc: Move call state changes from recvmsg to I/O thread
2023-01-06 09:43:33 +00:00
rtt.c
rxrpc: Fix _usecs_to_jiffies() by using usecs_to_jiffies()
2021-09-24 14:18:34 +01:00
rxkad.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
rxperf.c
rxrpc: Tidy up abort generation infrastructure
2023-01-06 09:43:32 +00:00
security.c
rxrpc: Fix incoming call setup race
2023-01-07 09:30:26 +00:00
sendmsg.c
rxrpc: Move client call connection to the I/O thread
2023-01-06 09:43:33 +00:00
server_key.c
rxrpc: Implement an in-kernel rxperf server for testing purposes
2022-12-01 13:36:37 +00:00
skbuff.c
rxrpc: trace: Don't use __builtin_return_address for sk_buff tracing
2022-12-01 13:36:39 +00:00
sysctl.c
rxrpc: Get rid of the Rx ring
2022-11-08 16:42:28 +00:00
txbuf.c
rxrpc: Transmit ACKs at the point of generation
2022-12-01 13:36:43 +00:00
utils.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00