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Hoang Le 92a930fcf4 tipc: check attribute length for bearer name 
[ Upstream commit 7f36f798f89bf32c0164049cb0e3fd1af613d0bb ]

syzbot reported uninit-value:
=====================================================
BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline]
BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725
 string_nocheck lib/vsprintf.c:644 [inline]
 string+0x4f9/0x6f0 lib/vsprintf.c:725
 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806
 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158
 vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256
 vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283
 vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50
 _printk+0x18d/0x1cf kernel/printk/printk.c:2293
 tipc_enable_bearer net/tipc/bearer.c:371 [inline]
 __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033
 tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]

- Do sanity check the attribute length for TIPC_NLA_BEARER_NAME.
- Do not use 'illegal name' in printing message.

Reported-by: syzbot+e820fdc8ce362f2dea51@syzkaller.appspotmail.com
Fixes: cb30a63384bc ("tipc: refactor function tipc_enable_bearer()")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Link: https://lore.kernel.org/r/20220602063053.5892-1-hoang.h.le@dektech.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-14 18:36:13 +02:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-07-22 16:19:03 +02:00
9p
xen/9p: use alloc/free_pages_exact()
2022-03-11 12:22:36 +01:00
802
net: 802: remove dead leftover after ipx driver removal
2021-08-13 16:30:35 -07:00
8021q
net: vlan: fix underflow for the real_dev refcnt
2021-12-01 09:04:53 +01:00
appletalk
net: socket: rework compat_ifreq_ioctl()
2021-07-23 14:20:25 +01:00
atm
…
ax25
ax25: Fix UAF bugs in ax25 timers
2022-04-20 09:34:22 +02:00
batman-adv
batman-adv: Don't skb_split skbuffs with frag_list
2022-05-18 10:26:47 +02:00
bluetooth
Bluetooth: use hdev lock for accept_list and reject_list in conn req
2022-06-09 10:22:58 +02:00
bpf
bpf: Make remote_port field in struct bpf_sk_lookup 16-bit wide
2022-04-13 20:59:25 +02:00
bpfilter
bpfilter: Specify the log level for the kmsg message
2021-06-25 13:13:50 +02:00
bridge
net: bridge: Clear offload_fwd_mark when passing frame up bridge interface.
2022-05-25 09:57:34 +02:00
caif
net-caif: avoid user-triggerable WARN_ON(1)
2021-09-14 12:51:15 +01:00
can
can: isotp: remove re-binding of bound socket
2022-05-12 12:30:09 +02:00
ceph
libceph: fix potential use-after-free on linger ping and resends
2022-05-25 09:57:28 +02:00
core
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
dcb
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-08 19:12:52 +01:00
dccp
tcp: switch orphan_count to bare per-cpu counters
2021-11-18 19:16:33 +01:00
decnet
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
dns_resolver
…
dsa
net: dsa: Add missing of_node_put() in dsa_port_link_register_of
2022-05-09 09:14:34 +02:00
ethernet
move netdev_boot_setup into Space.c
2021-08-03 13:05:26 +01:00
ethtool
ethtool: do not perform operations on net devices being unregistered
2021-12-14 10:57:09 +01:00
hsr
…
ieee802154
net: ieee802154: Return meaningful error codes from the netlink helpers
2022-02-08 18:34:09 +01:00
ife
…
ipv4
tcp: tcp_rtx_synack() can be called from process context
2022-06-14 18:36:12 +02:00
ipv6
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
iucv
net/iucv: Replace deprecated CPU-hotplug functions.
2021-08-09 10:13:32 +01:00
kcm
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
key
net: af_key: check encryption module availability consistency
2022-06-06 08:43:36 +02:00
l2tp
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
2021-09-09 11:00:20 +01:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 14:38:53 +02:00
lapb
…
llc
llc: only change llc->dev when bind() succeeds
2022-03-28 09:58:46 +02:00
mac80211
mac80211: upgrade passive scan to active scan on DFS channels after beacon rx
2022-06-09 10:23:26 +02:00
mac802154
ieee802154: Remove redundant initialization of variable ret
2021-09-07 14:06:08 +01:00
mctp
mctp: Fix check for dev_hard_header() result
2022-04-13 20:59:16 +02:00
mpls
net: mpls: Fix notifications when deleting a device
2021-12-08 09:04:47 +01:00
mptcp
mptcp: reset the packet scheduler on PRIO change
2022-06-09 10:22:46 +02:00
ncsi
net/ncsi: check for error return from call to nla_put_u32
2022-01-05 12:42:37 +01:00
netfilter
netfilter: nf_tables: double hook unregistration in netns path
2022-06-06 08:43:38 +02:00
netlabel
netlabel: fix out-of-bounds memory accesses
2022-04-13 20:59:10 +02:00
netlink
netlink: do not reset transport header in netlink_recvmsg()
2022-05-18 10:26:49 +02:00
netrom
netrom: fix api breakage in nr_setsockopt()
2022-01-27 11:04:00 +01:00
nfc
NFC: NULL out the dev->rfkill to prevent UAF
2022-06-09 10:22:46 +02:00
nsh
…
openvswitch
netfilter: conntrack: convert to refcount_t api
2022-04-27 14:39:01 +02:00
packet
net/packet: fix packet_sock xmit return value checking
2022-04-27 14:38:53 +02:00
phonet
phonet: refcount leak in pep_sock_accep
2022-01-11 15:35:16 +01:00
psample
…
qrtr
net: qrtr: revert check in qrtr_endpoint_post()
2021-09-02 11:37:02 +01:00
rds
rds: memory leak in __rds_conn_create()
2021-12-22 09:32:42 +01:00
rfkill
rfkill: make new event layout opt-in
2022-04-08 14:23:00 +02:00
rose
…
rxrpc
rxrpc: Fix decision on when to generate an IDLE ACK
2022-06-09 10:23:02 +02:00
sched
net/sched: act_pedit: sanitize shift argument before usage
2022-05-25 09:57:30 +02:00
sctp
sctp: read sk->sk_bound_dev_if once in sctp_rcv()
2022-06-09 10:22:59 +02:00
smc
net/smc: fixes for converting from "struct smc_cdc_tx_pend **" to "struct smc_wr_tx_pend_priv *"
2022-06-14 18:36:11 +02:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-18 19:17:11 +01:00
sunrpc
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
2022-05-18 10:26:57 +02:00
switchdev
net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge
2021-08-04 12:35:07 +01:00
tipc
tipc: check attribute length for bearer name
2022-06-14 18:36:13 +02:00
tls
tls: Fix context leak on tls_device_down
2022-05-18 10:26:51 +02:00
unix
af_unix: Support POLLPRI for OOB.
2022-04-08 14:24:14 +02:00
vmw_vsock
vsock/virtio: enable VQs early on probe
2022-04-08 14:23:51 +02:00
wireless
cfg80211: declare MODULE_FIRMWARE for regulatory.db
2022-06-09 10:23:26 +02:00
x25
net/x25: Fix null-ptr-deref caused by x25_disconnect
2022-04-08 14:23:53 +02:00
xdp
xsk: Fix l2fwd for copy mode + busy poll combo
2022-05-09 09:14:32 +02:00
xfrm
xfrm: rework default policy structure
2022-05-25 09:57:30 +02:00
compat.c
…
devres.c
…
Kconfig
mctp: Add MCTP base
2021-07-29 15:06:49 +01:00
Makefile
mctp: Add MCTP base
2021-07-29 15:06:49 +01:00
socket.c
net: fix SOF_TIMESTAMPING_BIND_PHC to work with multiple sockets
2022-01-27 11:03:52 +01:00
sysctl_net.c
…