mirror-linux/net/core
Kuniyuki Iwashima 2100bbf55e af_unix: Fix data race around sk->sk_err.
[ Upstream commit b192812905 ]

As with sk->sk_shutdown shown in the previous patch, sk->sk_err can be
read locklessly by unix_dgram_sendmsg().

Let's use READ_ONCE() for sk_err as well.

Note that the writer side is marked by commit cc04410af7 ("af_unix:
annotate lockless accesses to sk->sk_err").

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-19 12:28:02 +02:00
..
Makefile devlink: move code to a dedicated directory 2023-08-30 16:11:00 +02:00
bpf_sk_storage.c bpf: Add length check for SK_DIAG_BPF_STORAGE_REQ_MAP_FD parsing 2023-08-11 12:08:12 +02:00
datagram.c net: datagram: fix data-races in datagram_poll() 2023-05-24 17:32:32 +01:00
dev.c net: sched: add rcu annotations around qdisc->qdisc_sleeping 2023-06-14 11:15:21 +02:00
dev.h
dev_addr_lists.c
dev_addr_lists_test.c
dev_ioctl.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
drop_monitor.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
dst.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
dst_cache.c
failover.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
fib_notifier.c
fib_rules.c
filter.c bpf: reject unhashed sockets in bpf_sk_assign 2023-09-13 09:42:31 +02:00
flow_dissector.c net/ipv6: SKB symmetric hash should incorporate transport ports 2023-09-19 12:27:54 +02:00
flow_offload.c flow_offload: Introduce flow_match_l2tpv3 2022-09-20 09:13:38 +02:00
gen_estimator.c
gen_stats.c net: sched: fix misuse of qcpu->backlog in gnet_stats_add_queue_cpu 2022-08-16 19:38:20 -07:00
gro.c skb: Do mix page pool and page referenced frags in GRO 2023-02-09 11:28:05 +01:00
gro_cells.c net: drop the weight argument from netif_napi_add 2022-09-28 18:57:14 -07:00
hwbm.c
link_watch.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
lwt_bpf.c lwt: Fix return values of BPF xmit ops 2023-09-13 09:42:33 +02:00
lwtunnel.c xfrm: lwtunnel: squelch kernel warning in case XFRM encap type is not available 2022-10-12 10:45:51 +02:00
neighbour.c neighbour: delete neigh_lookup_nodev as not used 2023-06-21 16:01:03 +02:00
net-procfs.c
net-sysfs.c net-sysfs: Convert to use sysfs_emit() APIs 2022-09-30 12:27:44 +01:00
net-sysfs.h
net-traces.c
net_namespace.c net: fix UaF in netns ops registration error path 2023-02-01 08:34:43 +01:00
netclassid_cgroup.c core: Variable type completion 2022-08-31 09:40:34 +01:00
netevent.c
netpoll.c net: don't let netpoll invoke NAPI if in xmit context 2023-04-13 16:55:21 +02:00
netprio_cgroup.c
of_net.c
page_pool.c page_pool: fix inconsistency for page_pool_ring_[un]lock() 2023-06-05 09:26:20 +02:00
pktgen.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
ptp_classifier.c
request_sock.c
rtnetlink.c rtnetlink: Reject negative ifindexes in RTM_NEWLINK 2023-08-30 16:11:04 +02:00
scm.c scm: add user copy checks to put_cmsg() 2023-03-10 09:33:54 +01:00
secure_seq.c tcp: Fix data-races around sysctl knobs related to SYN option. 2022-07-20 10:14:49 +01:00
selftests.c
skbuff.c net: deal with integer overflows in kmalloc_reserve() 2023-09-19 12:27:58 +02:00
skmsg.c bpf, sockmap: Fix skb refcnt race after locking changes 2023-09-19 12:28:02 +02:00
sock.c af_unix: Fix data race around sk->sk_err. 2023-09-19 12:28:02 +02:00
sock_destructor.h
sock_diag.c
sock_map.c bpf, sockmap: Fix map type error in sock_map_del_link 2023-08-16 18:27:26 +02:00
sock_reuseport.c soreuseport: Fix socket selection for SO_INCOMING_CPU. 2022-12-31 13:32:04 +01:00
stream.c net: deal with most data-races in sk_wait_event() 2023-05-24 17:32:32 +01:00
sysctl_net_core.c net: sysctl: remove unused variable long_max 2022-09-07 15:31:19 +01:00
timestamping.c
tso.c
utils.c
xdp.c xdp: improve page_pool xdp_return performance 2022-09-26 11:28:19 -07:00