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Marcelo Ricardo Leitner 951c6db954 sctp: fix memleak on err handling of stream initialization 
syzbot reported a memory leak when an allocation fails within
genradix_prealloc() for output streams. That's because
genradix_prealloc() leaves initialized members initialized when the
issue happens and SCTP stack will abort the current initialization but
without cleaning up such members.

The fix here is to always call genradix_free() when genradix_prealloc()
fails, for output and also input streams, as it suffers from the same
issue.

Reported-by: syzbot+772d9e36c490b18d51d1@syzkaller.appspotmail.com
Fixes: 2075e50caf ("sctp: convert to genradix")
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Tested-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-17 21:58:37 -08:00
..
6lowpan 6lowpan: no need to check return value of debugfs_create functions 2019-07-06 12:50:01 +02:00
9p 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
802
8021q net: remove unnecessary variables and callback 2019-10-24 14:53:49 -07:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-22 16:27:24 -08:00
ax25 net: use helpers to change sk_ack_backlog 2019-11-06 16:14:48 -08:00
batman-adv batman-adv: Drop lockdep.h include for soft-interface.c 2019-11-03 08:30:58 +01:00
bluetooth compat_ioctl: remove most of fs/compat_ioctl.c 2019-12-01 13:46:15 -08:00
bpf bpf: Fix memory leak on object 'data' 2019-11-18 19:32:59 -08:00
bpfilter Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2019-12-09 14:03:33 -08:00
caif Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
can can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-08 11:52:02 +01:00
ceph libceph, rbd, ceph: convert to use the new mount API 2019-11-27 22:28:37 +01:00
core neighbour: remove neigh_cleanup() method 2019-12-09 09:48:47 -08:00
dcb
dccp net: ipv6: add net argument to ip6_dst_lookup_flow 2019-12-04 12:27:12 -08:00
decnet net: use helpers to change sk_ack_backlog 2019-11-06 16:14:48 -08:00
dns_resolver Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
dsa net: phylink: rename mac_link_state() op to mac_pcs_get_state() 2019-11-23 16:13:39 -08:00
ethernet net: add annotations on hh->hh_len lockless accesses 2019-11-07 20:07:30 -08:00
hsr hsr: fix a NULL pointer dereference in hsr_dev_xmit() 2019-12-05 12:09:02 -08:00
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 tcp: refine rule to allow EPOLLOUT generation under mem pressure 2019-12-13 21:58:40 -08:00
ipv6 ipv6/addrconf: only check invalid header values when NETLINK_F_STRICT_CHK is set 2019-12-13 17:13:49 -08:00
iucv net/af_iucv: mark expected switch fall-throughs 2019-07-29 10:26:14 -07:00
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-08 19:48:57 -07:00
l2tp net: ipv6: add net argument to ip6_dst_lookup_flow 2019-12-04 12:27:12 -08:00
l3mdev
lapb
llc net: silence data-races on sk_backlog.tail 2019-11-06 21:35:34 -08:00
mac80211 mac80211: Turn AQL into an NL80211_EXT_FEATURE 2019-12-13 10:34:04 +01:00
mac802154
mpls net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-04 12:27:13 -08:00
ncsi net/ncsi: Disable global multicast filter 2019-09-19 18:04:40 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2019-12-09 14:03:33 -08:00
netlabel netlabel: remove redundant assignment to pointer iter 2019-09-01 11:45:02 -07:00
netlink genetlink: do not parse attributes for families with zero maxattr 2019-10-13 11:20:03 -07:00
netrom net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
nfc NFC: NCI: use new delay structure for SPI transfer delays 2019-12-04 17:00:58 -08:00
nsh
openvswitch net: Fixed updating of ethertype in skb_mpls_push() 2019-12-04 17:11:25 -08:00
packet af_packet: set defaule value for tmo 2019-12-09 14:30:19 -08:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
psample net: psample: fix skb_over_panic 2019-11-26 14:40:13 -08:00
qrtr net: qrtr: Simplify 'qrtr_tun_release()' 2019-10-30 17:58:23 -07:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2019-12-16 10:15:49 +01:00
rose net: use helpers to change sk_ack_backlog 2019-11-06 16:14:48 -08:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
sched net_sched: validate TCA_KIND attribute in tc_chain_tmplt_add() 2019-12-07 12:04:16 -08:00
sctp sctp: fix memleak on err handling of stream initialization 2019-12-17 21:58:37 -08:00
smc net/smc: add fallback check to connect() 2019-12-15 11:10:30 -08:00
strparser
sunrpc This is a relatively quiet cycle for nfsd, mainly various bugfixes. 2019-12-07 16:56:00 -08:00
switchdev
tipc tipc: fix use-after-free in tipc_disc_rcv() 2019-12-10 17:45:04 -08:00
tls net/tls: Fix return values to avoid ENOTSUPP 2019-12-06 20:15:39 -08:00
unix compat_ioctl: remove most of fs/compat_ioctl.c 2019-12-01 13:46:15 -08:00
vmw_vsock vsock/virtio: add WARN_ON check on virtio_transport_get_ops() 2019-12-16 16:07:12 -08:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless cfg80211: fix double-free after changing network namespace 2019-12-13 10:08:09 +01:00
x25 net/x25: add new state X25_STATE_5 2019-12-09 10:28:43 -08:00
xdp xsk: Fix xsk_poll()'s return type 2019-11-24 16:58:44 -08:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-11-25 20:02:57 -08:00
compat.c y2038: socket: use __kernel_old_timespec instead of timespec 2019-11-15 14:38:29 +01:00
Kconfig net: Fix Kconfig indentation, continued 2019-11-21 12:00:21 -08:00
Makefile
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-12-08 13:28:11 -08:00
sysctl_net.c