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v6.6.99
linux-yocto/net/rxrpc
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David Howells efc1b2b7c1 rxrpc: Fix oops due to non-existence of prealloc backlog struct 
commit 880a88f318 upstream.

If an AF_RXRPC service socket is opened and bound, but calls are
preallocated, then rxrpc_alloc_incoming_call() will oops because the
rxrpc_backlog struct doesn't get allocated until the first preallocation is
made.

Fix this by returning NULL from rxrpc_alloc_incoming_call() if there is no
backlog struct.  This will cause the incoming call to be aborted.

Reported-by: Junvyyang, Tencent Zhuque Lab <zhuque@tencent.com>
Suggested-by: Junvyyang, Tencent Zhuque Lab <zhuque@tencent.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: LePremierHomme <kwqcheii@proton.me>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: Willy Tarreau <w@1wt.eu>
cc: Simon Horman <horms@kernel.org>
cc: linux-afs@lists.infradead.org
Link: https://patch.msgid.link/20250708211506.2699012-3-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-07-17 18:35:11 +02:00
..
af_rxrpc.c rxrpc: Improve setsockopt() handling of malformed user input 2024-12-09 10:32:35 +01:00
ar-internal.h rxrpc: Fix call state set to not include the SERVER_SECURING state 2025-02-17 09:40:14 +01:00
call_accept.c rxrpc: Fix oops due to non-existence of prealloc backlog struct 2025-07-17 18:35:11 +02:00
call_event.c
call_object.c rxrpc: Fix call state set to not include the SERVER_SECURING state 2025-02-17 09:40:14 +01:00
call_state.c
conn_client.c rxrpc: Fix missing locking causing hanging calls 2024-11-14 13:19:32 +01:00
conn_event.c rxrpc: Fix call state set to not include the SERVER_SECURING state 2025-02-17 09:40:14 +01:00
conn_object.c rxrpc: Fix the rxrpc_connection attend queue handling 2025-02-17 09:40:13 +01:00
conn_service.c
input.c rxrpc: Fix call state set to not include the SERVER_SECURING state 2025-02-17 09:40:14 +01:00
insecure.c
io_thread.c
Kconfig
key.c
local_event.c
local_object.c
Makefile
misc.c
net_ns.c
output.c
peer_event.c
peer_object.c
proc.c
protocol.h
recvmsg.c
rtt.c
rxkad.c
rxperf.c rxrpc: rxperf: Fix missing decoding of terminal magic cookie 2025-03-07 16:45:38 +01:00
security.c
sendmsg.c rxrpc: Fix call state set to not include the SERVER_SECURING state 2025-02-17 09:40:14 +01:00
server_key.c
skbuff.c
sysctl.c
txbuf.c
utils.c