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Hoang Le 8b91d0dfc8 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 18:11:56 +02:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-09-15 09:47:31 +02:00
9p
xen/9p: use alloc/free_pages_exact()
2022-03-11 11:22:39 +01:00
802
net/802/garp: fix memleak in garp_request_join()
2021-07-31 08:19:38 +02:00
8021q
net: vlan: fix underflow for the real_dev refcnt
2021-12-01 09:23:34 +01:00
appletalk
appletalk: Fix skb allocation size in loopback case
2021-04-07 14:47:41 +02:00
atm
atm: fix a memory leak of vcc->user_back
2020-10-01 13:17:58 +02:00
ax25
ax25: Fix UAF bugs in ax25 timers
2022-04-20 09:19:40 +02:00
batman-adv
batman-adv: Don't skb_split skbuffs with frag_list
2022-05-18 09:47:24 +02:00
bluetooth
Bluetooth: fix dangling sco_conn and use-after-free in sco_sock_timeout
2022-06-14 18:11:37 +02:00
bpf
…
bpfilter
bpfilter: Specify the log level for the kmsg message
2021-07-14 16:53:33 +02:00
bridge
net: bridge: Clear offload_fwd_mark when passing frame up bridge interface.
2022-05-25 09:14:36 +02:00
caif
net-caif: avoid user-triggerable WARN_ON(1)
2021-09-22 12:26:40 +02:00
can
can: j1939: j1939_tp_cmd_recv(): check the dst address of TP.CM_BAM
2021-12-08 09:01:08 +01:00
ceph
libceph: clear con->out_msg on Policy::stateful_server faults
2020-11-05 11:43:34 +01:00
core
bpf: Enlarge offset check value to INT_MAX in bpf_skb_{load,store}_bytes
2022-06-06 08:33:51 +02:00
dcb
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-08 19:07:51 +01:00
dccp
tcp: fix race condition when creating child sockets from syncookies
2022-04-27 13:50:45 +02:00
decnet
net: decnet: Fix sleeping inside in af_decnet
2021-07-28 13:30:56 +02:00
dns_resolver
KEYS: Don't write out to userspace while holding key semaphore
2020-04-23 10:36:45 +02:00
dsa
net: dsa: Add missing of_node_put() in dsa_port_parse_of
2022-03-23 09:12:07 +01:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-09 10:20:06 +01:00
hsr
hsr: use netdev_err() instead of WARN_ONCE()
2021-05-14 09:44:10 +02:00
ieee802154
net: ieee802154: Return meaningful error codes from the netlink helpers
2022-02-08 18:24:31 +01:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
tcp: tcp_rtx_synack() can be called from process context
2022-06-14 18:11:55 +02:00
ipv6
ipv6: Don't send rs packets to the interface of ARPHRD_TUNNEL
2022-06-14 18:11:27 +02:00
iucv
net/af_iucv: remove WARN_ONCE on malformed RX packets
2021-03-07 12:20:42 +01:00
kcm
kcm: disable preemption in kcm_parse_func_strparser()
2019-09-27 10:27:14 +02:00
key
net: af_key: check encryption module availability consistency
2022-06-06 08:33:49 +02:00
l2tp
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
2021-09-22 12:26:41 +02:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 13:50:47 +02:00
lapb
net: lapb: Copy the skb before sending a packet
2021-02-10 09:25:28 +01:00
llc
llc: only change llc->dev when bind() succeeds
2022-03-28 08:46:48 +02:00
mac80211
mac80211: upgrade passive scan to active scan on DFS channels after beacon rx
2022-06-14 18:11:48 +02:00
mac802154
net: mac802154: Fix general protection fault
2021-04-14 08:24:18 +02:00
mpls
net: mpls: Fix notifications when deleting a device
2021-12-08 09:01:12 +01:00
ncsi
net/ncsi: check for error return from call to nla_put_u32
2022-01-05 12:37:45 +01:00
netfilter
netfilter: nf_tables: disallow non-stateful expression in sets earlier
2022-06-14 18:11:45 +02:00
netlabel
netlabel: fix out-of-bounds memory accesses
2022-04-15 14:18:35 +02:00
netlink
netlink: do not reset transport header in netlink_recvmsg()
2022-05-18 09:47:25 +02:00
netrom
netrom: Decrease sock refcount when sock timers expire
2021-07-28 13:30:56 +02:00
nfc
NFC: NULL out the dev->rfkill to prevent UAF
2022-06-14 18:11:33 +02:00
nsh
…
openvswitch
openvswitch: fix OOB access in reserve_sfa_size()
2022-04-27 13:50:49 +02:00
packet
net/packet: fix packet_sock xmit return value checking
2022-04-27 13:50:47 +02:00
phonet
phonet: refcount leak in pep_sock_accep
2022-01-11 15:23:33 +01:00
psample
net: psample: fix skb_over_panic
2019-12-04 22:30:54 +01:00
qrtr
net: qrtr: fix another OOB Read in qrtr_endpoint_post
2021-09-03 10:08:12 +02:00
rds
rds: memory leak in __rds_conn_create()
2021-12-22 09:29:37 +01:00
rfkill
rfkill: Fix use-after-free in rfkill_resume()
2020-11-24 13:29:05 +01:00
rose
rose: Fix Null pointer dereference in rose_send_frame()
2020-12-08 10:40:23 +01:00
rxrpc
rxrpc: Fix decision on when to generate an IDLE ACK
2022-06-14 18:11:38 +02:00
sched
net/sched: act_pedit: sanitize shift argument before usage
2022-05-25 09:14:35 +02:00
sctp
sctp: read sk->sk_bound_dev_if once in sctp_rcv()
2022-06-14 18:11:37 +02:00
smc
net/smc: postpone sk_refcnt increment in connect()
2022-06-14 18:11:39 +02:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-17 09:48:48 +01:00
sunrpc
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
2022-05-25 09:14:34 +02:00
switchdev
net: switchdev: do not propagate bridge updates across bridges
2021-10-27 09:54:24 +02:00
tipc
tipc: check attribute length for bearer name
2022-06-14 18:11:56 +02:00
tls
tls: Skip tls_append_frag on zero copy size
2022-05-09 09:03:26 +02:00
unix
af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress
2022-01-27 09:19:53 +01:00
vmw_vsock
vsock: remove vsock from connected table when connect is interrupted by a signal
2022-02-23 11:59:57 +01:00
wimax
…
wireless
nl80211: show SSID for P2P_GO interfaces
2022-06-14 18:11:32 +02:00
x25
net/x25: Fix null-ptr-deref caused by x25_disconnect
2022-04-15 14:18:21 +02:00
xdp
Revert "xsk: Do not sleep in poll() when need_wakeup set"
2021-12-22 09:29:40 +01:00
xfrm
xfrm: fix tunnel model fragmentation behavior
2022-04-15 14:17:56 +02:00
compat.c
net: Return the correct errno code
2021-06-18 09:59:00 +02:00
Kconfig
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-04-01 11:02:18 +02:00
Makefile
…
socket.c
net: don't unconditionally copy_from_user a struct ifreq for socket ioctls
2021-09-03 10:08:16 +02:00
sysctl_net.c
…