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Nick Child cf1fe8ccb5 net: Catch invalid index in XPS mapping 
[ Upstream commit 5dd0dfd55baec0742ba8f5625a0dd064aca7db16 ]

When setting the XPS value of a TX queue, warn the user once if the
index of the queue is greater than the number of allocated TX queues.

Previously, this scenario went uncaught. In the best case, it resulted
in unnecessary allocations. In the worst case, it resulted in
out-of-bounds memory references through calls to `netdev_get_tx_queue(
dev, index)`. Therefore, it is important to inform the user but not
worth returning an error and risk downing the netdevice.

Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
Link: https://lore.kernel.org/r/20230321150725.127229-1-nnac123@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-24 17:32:37 +01:00
..
bpf_sk_storage.c net: Fix data-races around sysctl_optmem_max. 2022-08-24 13:46:57 +01:00
datagram.c net: datagram: fix data-races in datagram_poll() 2023-05-24 17:32:32 +01:00
dev.c net: Catch invalid index in XPS mapping 2023-05-24 17:32:37 +01:00
dev.h net: add skb_defer_max sysctl 2022-05-16 11:33:59 +01:00
dev_addr_lists.c net: extract a few internals from netdevice.h 2022-04-07 20:32:09 -07:00
dev_addr_lists_test.c net: kunit: add a test for dev_addr_lists 2021-11-20 12:25:57 +00:00
dev_ioctl.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
devlink.c devlink: protect devlink dump by the instance lock 2022-12-31 13:32:55 +01:00
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 wireguard: device: reset peer src endpoint when netns exits 2021-11-29 19:50:45 -08:00
failover.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
fib_notifier.c
fib_rules.c fib: expand fib_rule_policy 2021-12-16 07:18:35 -08:00
filter.c bpf: bpf_fib_lookup should not return neigh in NUD_FAILED state 2023-03-03 11:52:23 +01:00
flow_dissector.c netfilter: conntrack: Fix data-races around ct mark 2022-11-18 15:21:00 +01:00
flow_offload.c flow_offload: Introduce flow_match_l2tpv3 2022-09-20 09:13:38 +02:00
gen_estimator.c net: sched: Remove Qdisc::running sequence counter 2021-10-18 12:54:41 +01:00
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 bpf, lwt: Fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hook 2022-04-22 17:45:25 +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
Makefile net: skb: export skb drop reaons to user by TRACE_DEFINE_ENUM 2022-09-07 15:28:08 +01:00
neighbour.c neigh: make sure used and confirmed times are valid 2023-03-03 11:52:22 +01:00
net-procfs.c net: extract a few internals from netdevice.h 2022-04-07 20:32:09 -07:00
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 tcp: add tracepoint for checksum errors 2021-05-14 15:26:03 -07:00
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 net: core: Correct function name netevent_unregister_notifier() in the kerneldoc 2021-03-28 17:56:56 -07:00
netpoll.c net: don't let netpoll invoke NAPI if in xmit context 2023-04-13 16:55:21 +02:00
netprio_cgroup.c bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode 2021-09-13 16:35:58 -07:00
of_net.c Revert "of: net: support NVMEM cells with MAC in text format" 2022-01-12 14:14:36 +00:00
page_pool.c - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
pktgen.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
ptp_classifier.c ptp: Add generic PTP is_sync() function 2022-03-07 11:31:34 +00:00
request_sock.c
rtnetlink.c net: rtnetlink: Enslave device before bringing it up 2022-09-20 08:37:44 -07:00
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 net: core: constify mac addrs in selftests 2021-10-24 13:59:44 +01:00
skbuff.c net: skb_partial_csum_set() fix against transport header magic value 2023-05-24 17:32:31 +01:00
skmsg.c bpf, sockmap: Fix missing BPF_F_INGRESS flag when using apply_bytes 2022-12-31 13:32:20 +01:00
sock.c net: use indirect calls helpers for sk_exit_memory_pressure() 2023-03-17 08:50:24 +01:00
sock_destructor.h skb_expand_head() adjust skb->truesize incorrectly 2021-10-22 12:35:51 -07:00
sock_diag.c net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
sock_map.c bpf, sockmap: Revert buggy deadlock fix in the sockhash and sockmap 2023-05-11 23:03:22 +09:00
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 net: core: Use csum_replace_by_diff() and csum_sub() instead of opencoding 2022-02-21 11:40:44 +00:00
xdp.c xdp: improve page_pool xdp_return performance 2022-09-26 11:28:19 -07:00