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Eiichi Tsukata c57fdeff69 sctp: account stream padding length for reconf chunk 
commit a2d859e3fc upstream.

sctp_make_strreset_req() makes repeated calls to sctp_addto_chunk()
which will automatically account for padding on each call. inreq and
outreq are already 4 bytes aligned, but the payload is not and doing
SCTP_PAD4(a + b) (which _sctp_make_chunk() did implicitly here) is
different from SCTP_PAD4(a) + SCTP_PAD4(b) and not enough. It led to
possible attempt to use more buffer than it was allocated and triggered
a BUG_ON.

Cc: Vlad Yasevich <vyasevich@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Fixes: cc16f00f65 ("sctp: add support for generating stream reconf ssn reset request chunk")
Reported-by: Eiichi Tsukata <eiichi.tsukata@nutanix.com>
Signed-off-by: Eiichi Tsukata <eiichi.tsukata@nutanix.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/b97c1f8b0c7ff79ac4ed206fc2c49d3612e0850c.1634156849.git.mleitner@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-20 11:23:03 +02:00
..
6lowpan
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9p
9p/trans_virtio: Remove sysfs file on probe failure
2021-09-26 13:39:47 +02:00
802
net/802/garp: fix memleak in garp_request_join()
2021-07-31 08:22:37 +02:00
8021q
…
appletalk
appletalk: Fix skb allocation size in loopback case
2021-04-07 12:48:49 +02:00
atm
…
ax25
…
batman-adv
batman-adv: Avoid WARN_ON timing related checks
2021-06-30 08:48:15 -04:00
bluetooth
Bluetooth: Fix handling of LE Enhanced Connection Complete
2021-09-22 11:48:07 +02:00
bpf
…
bpfilter
…
bridge
net: bridge: use nla_total_size_64bit() in br_get_linkxstats_size()
2021-10-13 10:10:52 +02:00
caif
net-caif: avoid user-triggerable WARN_ON(1)
2021-09-22 11:48:11 +02:00
can
can: raw: raw_setsockopt(): fix raw_rcv panic for sock UAF
2021-08-04 12:23:45 +02:00
ceph
…
core
rtnetlink: fix if_nlmsg_stats_size() under estimation
2021-10-13 10:10:52 +02:00
dcb
…
dccp
dccp: don't duplicate ccid when cloning dccp sock
2021-09-22 11:48:11 +02:00
decnet
net: decnet: Fix sleeping inside in af_decnet
2021-07-28 11:13:48 +02:00
dns_resolver
…
dsa
net: dsa: destroy the phylink instance on any error in dsa_slave_phy_setup
2021-09-22 11:48:12 +02:00
ethernet
…
hsr
hsr: use netdev_err() instead of WARN_ONCE()
2021-05-22 10:59:24 +02:00
ieee802154
net: Fix memory leak in ieee802154_raw_deliver
2021-08-26 08:36:38 -04:00
ife
…
ipv4
net: udp: annotate data race around udp_sk(sk)->corkflag
2021-10-06 15:31:25 +02:00
ipv6
netfilter: ip6_tables: zero-initialize fragment offset
2021-10-17 10:19:48 +02:00
iucv
…
kcm
…
key
…
l2tp
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
2021-09-22 11:48:11 +02:00
l3mdev
…
lapb
…
llc
net: llc: fix skb_over_panic
2021-08-04 12:23:46 +02:00
mac80211
mac80211: check return value of rhashtable_init
2021-10-17 10:19:49 +02:00
mac802154
net: mac802154: Fix general protection fault
2021-04-14 08:22:36 +02:00
mpls
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
2021-03-17 16:43:43 +01:00
ncsi
net/ncsi: Avoid channel_monitor hrtimer deadlock
2021-04-14 08:22:35 +02:00
netfilter
netfilter: ipset: Fix oversized kvmalloc() calls
2021-10-06 15:31:27 +02:00
netlabel
net: fix NULL pointer reference in cipso_v4_doi_free
2021-09-22 11:48:09 +02:00
netlink
netlink: annotate data races around nlk->bound
2021-10-13 10:10:52 +02:00
netrom
netrom: Decrease sock refcount when sock timers expire
2021-07-28 11:13:48 +02:00
nfc
net/nfc/rawsock.c: fix a permission check bug
2021-06-16 11:54:56 +02:00
nsh
…
openvswitch
openvswitch: meter: fix race when getting now_ms.
2021-06-03 08:38:11 +02:00
packet
net/packet: annotate accesses to po->ifindex
2021-06-30 08:48:31 -04:00
phonet
…
psample
…
qrtr
net: qrtr: fix another OOB Read in qrtr_endpoint_post
2021-09-03 09:58:00 +02:00
rds
net/rds: dma_map_sg is entitled to merge entries
2021-09-03 09:58:02 +02:00
rfkill
…
rose
…
rxrpc
…
sched
net: prevent user from passing illegal stab size
2021-10-17 10:19:49 +02:00
sctp
sctp: account stream padding length for reconf chunk
2021-10-20 11:23:03 +02:00
smc
net/smc: add missing error check in smc_clc_prfx_set()
2021-10-06 15:31:13 +02:00
strparser
…
sunrpc
rpc: fix gss_svc_init cleanup on failure
2021-09-22 11:48:07 +02:00
switchdev
…
tipc
tipc: increase timeout in tipc_sk_enqueue()
2021-09-22 11:48:11 +02:00
tls
…
unix
af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
2021-10-06 15:31:24 +02:00
vmw_vsock
vsock/virtio: avoid potential deadlock when vsock device remove
2021-08-26 08:36:39 -04:00
wimax
…
wireless
cfg80211: Fix possible memory leak in function cfg80211_bss_update
2021-08-04 12:23:45 +02:00
x25
net/x25: Return the correct errno code
2021-06-30 08:48:13 -04:00
xdp
xsk: Simplify detection of empty and full rings
2021-05-22 10:59:48 +02:00
xfrm
xfrm: Fix error reporting in xfrm_state_construct.
2021-07-20 16:16:01 +02:00
compat.c
net: Return the correct errno code
2021-06-30 08:48:13 -04:00
Kconfig
…
Makefile
net: split out functions related to registering inflight socket files
2021-07-31 08:22:37 +02:00
socket.c
net: don't unconditionally copy_from_user a struct ifreq for socket ioctls
2021-09-03 09:58:03 +02:00
sysctl_net.c
…