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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/net
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Christoph Hellwig 4f010246b4 net/bpfilter: Initialize pos in __bpfilter_process_sockopt 
__bpfilter_process_sockopt never initialized the pos variable passed
to the pipe write. This has been mostly harmless in the past as pipes
ignore the offset, but the switch to kernel_write now verified the
position, which can lead to a failure depending on the exact stack
initialization pattern. Initialize the variable to zero to make
rw_verify_area happy.

Fixes: 6955a76fbc ("bpfilter: switch to kernel_write")
Reported-by: Christian Brauner <christian.brauner@ubuntu.com>
Reported-by: Rodrigo Madera <rodrigo.madera@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Rodrigo Madera <rodrigo.madera@gmail.com>
Tested-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/bpf/20200730160900.187157-1-hch@lst.de
 		2020-07-31 01:07:32 +02:00
..
6lowpan treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
9p net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
802 net: 802: psnap.c: Use built-in RCU list checking 2020-02-24 13:02:53 -08:00
8021q net: get rid of lockdep_set_class_and_subclass() 2020-06-28 21:37:23 -07:00
appletalk ipv4,appletalk: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-06-13 16:27:13 -07:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
batman-adv net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
bpf bpf: Add tests for PTR_TO_BTF_ID vs. null comparison 2020-06-30 22:21:29 +02:00
bpfilter net/bpfilter: Initialize pos in __bpfilter_process_sockopt 2020-07-31 01:07:32 +02:00
bridge bridge: mcast: Fix MLD2 Report IPv6 payload length check 2020-07-07 15:37:57 -07:00
caif treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
can treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ceph libceph: don't omit used_replica in target_copy() 2020-06-16 16:02:08 +02:00
core cgroup: fix cgroup_sk_alloc() for sk_clone_lock() 2020-07-07 13:34:11 -07:00
dcb treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-06-13 16:27:13 -07:00
decnet treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
dns_resolver docs: networking: convert dns_resolver.txt to ReST 2020-04-28 14:39:46 -07:00
dsa dsa: Allow forwarding of redirected IGMP traffic 2020-06-24 14:39:43 -07:00
ethernet net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
ethtool ethtool: fix genlmsg_put() failure handling in ethnl_default_dumpit() 2020-07-09 12:35:33 -07:00
hsr hsr: fix interface leak in error path of hsr_dev_finalize() 2020-07-04 18:02:48 -07:00
ieee802154 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 tcp: make sure listeners don't initialize congestion-control state 2020-07-09 13:07:45 -07:00
ipv6 ipv6: Fix use of anycast address with loopback 2020-07-07 13:04:16 -07:00
iucv net/af_iucv: clean up function prototypes 2020-05-19 12:50:14 -07:00
kcm treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
key
…
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2020-07-08 15:24:33 -07:00
l3mdev treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
lapb treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
llc llc: make sure applications use ARPHRD_ETHER 2020-06-28 21:41:23 -07:00
mac80211 mac80211: allow rx of mesh eapol frames with default rx key 2020-06-25 12:55:45 +02:00
mac802154 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mpls treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mptcp mptcp: fix DSS map generation on fin retransmission 2020-07-07 15:27:37 -07:00
ncsi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
netfilter netfilter: conntrack: refetch conntrack after nf_conntrack_update() 2020-07-03 14:47:03 +02:00
netlabel treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
netlink genetlink: remove genl_bind 2020-07-01 15:49:11 -07:00
netrom net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
nfc treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
nsh treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
openvswitch openvswitch: take into account de-fragmentation/gso_size in execute_check_pkt_len 2020-06-24 14:34:58 -07:00
packet treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
phonet sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
psample net: psample: fix build error when CONFIG_INET is not enabled 2020-05-23 16:36:05 -07:00
qrtr net: qrtr: Fix an out of bounds read qrtr_endpoint_post() 2020-06-30 18:36:13 -07:00
rds rds: If one path needs re-connection, check all and re-connect 2020-07-01 17:35:17 -07:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2019-12-16 10:15:49 +01:00
rose net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
rxrpc rxrpc: Fix notification call on completion of discarded calls 2020-06-20 21:31:43 -07:00
sched net_sched: fix a memory leak in atm_tc_init() 2020-07-09 12:31:28 -07:00
sctp sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket 2020-06-25 16:11:33 -07:00
smc net/smc: tolerate future SMCD versions 2020-07-08 12:35:15 -07:00
strparser
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sunrpc NFS Client Updates for Linux 5.8 2020-06-11 12:22:41 -07:00
switchdev treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
tipc tipc: fix retransmission on unicast links 2020-07-08 15:39:50 -07:00
tls treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
unix treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
vmw_vsock vsock/vmci: make vmci_vsock_transport_cb() static 2020-06-05 13:18:26 -07:00
wimax
…
wireless nl80211: fix memory leak when parsing NL80211_ATTR_HE_BSS_COLOR 2020-06-26 11:52:57 +02:00
x25 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
xdp xsk: Use dma_need_sync instead of reimplenting it 2020-06-30 15:44:03 +02:00
xfrm net: xfrmi: implement header_ops->parse_protocol for AF_PACKET 2020-06-30 12:29:39 -07:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
compat.c switch cmsghdr_from_user_compat_to_kern() to copy_from_user() 2020-06-01 12:05:45 -07:00
devres.c net: devres: provide devm_register_netdev() 2020-05-23 16:56:17 -07:00
socket.c net: remove kernel_setsockopt 2020-05-29 13:10:39 -07:00
sysctl_net.c
…