linux_dsm_epyc7002/net
Stefano Garzarella b605673b52 vsock/virtio: free queued packets when closing socket
[ Upstream commit 8432b8114957235f42e070a16118a7f750de9d39 ]

As reported by syzbot [1], there is a memory leak while closing the
socket. We partially solved this issue with commit ac03046ece
("vsock/virtio: free packets during the socket release"), but we
forgot to drain the RX queue when the socket is definitely closed by
the scheduled work.

To avoid future issues, let's use the new virtio_transport_remove_sock()
to drain the RX queue before removing the socket from the af_vsock lists
calling vsock_remove_sock().

[1] https://syzkaller.appspot.com/bug?extid=24452624fc4c571eedd9

Fixes: ac03046ece ("vsock/virtio: free packets during the socket release")
Reported-and-tested-by: syzbot+24452624fc4c571eedd9@syzkaller.appspotmail.com
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-14 09:50:41 +02:00
..
6lowpan
9p net: 9p: advance iov on empty read 2021-04-07 15:00:08 +02:00
802
8021q net: vlan: avoid leaks on register_vlan_dev() failures 2021-01-17 14:16:55 +01:00
appletalk appletalk: Fix skb allocation size in loopback case 2021-04-07 15:00:08 +02:00
atm net: atm: fix update of position index in lec_seq_next 2020-10-31 12:26:30 -07:00
ax25
batman-adv batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field 2021-04-14 08:41:59 +02:00
bluetooth Bluetooth: avoid deadlock between hci_dev->lock and socket lock 2021-05-14 09:50:29 +02:00
bpf bpf: Reject too big ctx_size_in for raw_tp test run 2021-01-27 11:55:07 +01:00
bpfilter Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH" 2020-10-15 12:33:24 -07:00
bridge netfilter: bridge: add pre_exit hooks for ebtable unregistration 2021-04-21 13:00:55 +02:00
caif caif: Remove duplicate macro SRVL_CTRL_PKT_SIZE 2020-09-05 15:57:05 -07:00
can can: isotp: fix msg_namelen values depending on CAN_REQUIRED_SIZE 2021-04-14 08:42:07 +02:00
ceph libceph: clear con->out_msg on Policy::stateful_server faults 2020-10-12 15:29:27 +02:00
core gro: fix napi_gro_frags() Fast GRO breakage due to IP alignment check 2021-05-14 09:50:40 +02:00
dcb net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands 2021-01-23 16:04:01 +01:00
dccp ipv6: weaken the v4mapped source check 2021-03-30 14:32:01 +02:00
decnet
dns_resolver
dsa net: dsa: Fix type was not set for devlink port 2021-04-14 08:42:07 +02:00
ethernet
ethtool ethtool: pause: make sure we init driver stats 2021-04-21 13:00:57 +02:00
hsr net: hsr: Reset MAC header for Tx path 2021-04-14 08:42:02 +02:00
ieee802154 net: ieee802154: forbid monitor for add llsec seclevel 2021-04-21 13:00:53 +02:00
ife
ipv4 udp: never accept GSO_FRAGLIST packets 2021-05-14 09:50:31 +02:00
ipv6 net: ip6_tunnel: Unregister catch-all devices 2021-04-21 13:00:57 +02:00
iucv net/af_iucv: remove WARN_ONCE on malformed RX packets 2021-03-07 12:34:05 +01:00
kcm
key af_key: relax availability checks for skb size calculation 2021-02-13 13:55:02 +01:00
l2tp net: l2tp: reduce log level of messages in receive path, add counter instead 2021-03-17 17:06:11 +01:00
l3mdev net: Fix some comments 2020-08-27 07:55:59 -07:00
lapb net: lapb: Copy the skb before sending a packet 2021-02-10 09:29:14 +01:00
llc
mac80211 mac80211: bail out if cipher schemes are invalid 2021-05-14 09:50:34 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-14 08:42:13 +02:00
mpls net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0 2021-03-17 17:06:11 +01:00
mptcp mptcp: forbit mcast-related sockopt on MPTCP sockets 2021-04-14 08:42:09 +02:00
ncsi net/ncsi: Avoid channel_monitor hrtimer deadlock 2021-04-14 08:42:08 +02:00
netfilter netfilter: nftables_offload: special ethertype handling for VLAN 2021-05-14 09:50:40 +02:00
netlabel cipso,calipso: resolve a number of problems with the DOI refcounts 2021-03-17 17:06:15 +01:00
netlink netlink: export policy in extended ACK 2020-10-09 20:22:32 -07:00
netrom
nfc net/nfc: fix use-after-free llcp_sock_bind/connect 2021-05-14 09:49:55 +02:00
nsh
openvswitch openvswitch: fix stack OOB read while fragmenting IPv4 packets 2021-05-11 14:47:34 +02:00
packet net/packet: remove data races in fanout operations 2021-05-14 09:50:38 +02:00
phonet
psample net: psample: Fix netlink skb length with tunnel info 2021-03-07 12:34:07 +01:00
qrtr net: qrtr: Avoid potential use after free in MHI send 2021-05-07 11:04:31 +02:00
rds net/rds: Fix a use after free in rds_message_map_pages 2021-04-14 08:42:09 +02:00
rfkill rfkill: Fix use-after-free in rfkill_resume() 2020-11-12 09:18:06 +01:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2020-11-20 10:04:58 -08:00
rxrpc rxrpc: Fix clearance of Tx/Rx ring when releasing a call 2021-02-17 11:02:28 +01:00
sched Revert "net: sched: bump refcount for new action in ACT replace mode" 2021-04-14 08:42:14 +02:00
sctp net/sctp: fix race condition in sctp_destroy_sock 2021-04-21 13:00:50 +02:00
smc net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid() 2020-11-19 10:59:19 -08:00
strparser
sunrpc rpc: fix NULL dereference on kmalloc failure 2021-04-07 15:00:04 +02:00
switchdev net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP 2021-02-07 15:37:12 +01:00
tipc net/tipc: fix missing destroy_workqueue() on error in tipc_crypto_start() 2021-05-14 09:50:32 +02:00
tls net: fix proc_fs init handling in af_packet and tls 2021-02-23 15:53:23 +01:00
unix networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
vmw_vsock vsock/virtio: free queued packets when closing socket 2021-05-14 09:50:41 +02:00
wimax genetlink: move to smaller ops wherever possible 2020-10-02 19:11:11 -07:00
wireless cfg80211: scan: drop entry from hidden_list on overflow 2021-05-14 09:50:00 +02:00
x25 net/x25: prevent a couple of overflows 2020-12-02 17:26:36 -08:00
xdp xsk: Respect device's headroom and tailroom on generic xmit path 2021-05-14 09:50:28 +02:00
xfrm xfrm: BEET mode doesn't support fragments for inner packets 2021-04-21 13:00:51 +02:00
compat.c iov_iter: transparently handle compat iovecs in import_iovec 2020-10-03 00:02:13 -04:00
devres.c
Kconfig drop_monitor: Convert to using devlink tracepoint 2020-09-30 18:01:26 -07:00
Makefile
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
sysctl_net.c