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7ca1db21ef
linux/net
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Anant Thazhemadam 7ca1db21ef net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid 
In p9_fd_create_unix, checking is performed to see if the addr (passed
as an argument) is NULL or not.
However, no check is performed to see if addr is a valid address, i.e.,
it doesn't entirely consist of only 0's.
The initialization of sun_server.sun_path to be equal to this faulty
addr value leads to an uninitialized variable, as detected by KMSAN.
Checking for this (faulty addr) and returning a negative error number
appropriately, resolves this issue.

Link: http://lkml.kernel.org/r/20201012042404.2508-1-anant.thazhemadam@gmail.com
Reported-by: syzbot+75d51fe5bf4ebe988518@syzkaller.appspotmail.com
Tested-by: syzbot+75d51fe5bf4ebe988518@syzkaller.appspotmail.com
Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
2020-10-12 10:05:47 +02:00
..
6lowpan treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
9p net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid 2020-10-12 10:05:47 +02:00
802
8021q treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
appletalk appletalk: Fix atalk_proc_init() return path 2020-08-03 15:48:32 -07:00
atm treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-07-25 17:49:04 -07:00
batman-adv batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh 2020-09-15 10:05:24 +02:00
bluetooth mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
bpf treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
bpfilter Merge branch 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-08-04 14:27:25 -07:00
bridge net: bridge: br_vlan_get_pvid_rcu() should dereference the VLAN group under RCU 2020-09-21 17:37:44 -07:00
caif net: caif: fix error code handling 2020-08-25 07:50:25 -07:00
can treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
ceph treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2020-09-15 19:26:21 -07:00
dcb net: DCB: Validate DCB_ATTR_DCB_BUFFER argument 2020-09-10 15:09:08 -07:00
dccp treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
decnet treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
dns_resolver docs: networking: convert dns_resolver.txt to ReST 2020-04-28 14:39:46 -07:00
dsa net: mscc: ocelot: add locking for the port TX timestamp ID 2020-09-18 13:52:33 -07:00
ethernet net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
ethtool ethtool: add and use message type for tunnel info reply 2020-09-17 16:43:20 -07:00
hsr hsr: avoid newline at end of message in NL_SET_ERR_MSG_MOD 2020-09-09 11:15:26 -07:00
ieee802154 treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
ife
ipv4 inet_diag: validate INET_DIAG_REQ_PROTOCOL attribute 2020-09-21 17:38:51 -07:00
ipv6 ipv6: route: convert comma to semicolon 2020-09-21 14:52:18 -07:00
iucv treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
kcm net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-08-02 01:02:12 -07:00
l2tp l2tp: improve API documentation in l2tp_core.h 2020-07-30 16:45:31 -07:00
l3mdev net: Fix some comments 2020-08-27 07:55:59 -07:00
lapb treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
llc net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
mac80211 mac80211: fix 80 MHz association to 160/80+80 AP on 6 GHz 2020-09-18 14:01:24 +02:00
mac802154 Merge tag 'ieee802154-for-davem-2020-09-08' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan 2020-09-08 20:12:58 -07:00
mpls treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mptcp mptcp: fix kmalloc flag in mptcp_pm_nl_get_local_id 2020-09-10 12:30:03 -07:00
ncsi treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
netfilter netfilter: nft_meta: use socket user_ns to retrieve skuid and skgid 2020-09-08 13:04:56 +02:00
netlabel netlabel: fix problems with mapping removal 2020-08-24 16:08:00 -07:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-09-03 18:50:48 -07:00
netrom treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nfc net/nfc/rawsock.c: add CAP_NET_RAW check. 2020-08-11 10:34:30 -07:00
nsh treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
openvswitch treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
packet net/packet: fix overflow in tpacket_rcv 2020-09-04 11:56:02 -07:00
phonet treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
psample net: psample: fix build error when CONFIG_INET is not enabled 2020-05-23 16:36:05 -07:00
qrtr net: qrtr: check skb_put_padto() return value 2020-09-09 11:04:39 -07:00
rds treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
rfkill
rose treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-09-03 18:50:48 -07:00
sched net: sched: initialize with 0 before setting erspan md->u 2020-09-14 16:53:38 -07:00
sctp net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant 2020-09-20 14:15:12 -07:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-09-03 18:50:48 -07:00
strparser
sunrpc SUNRPC: Fix svc_flush_dcache() 2020-09-21 10:13:25 -04:00
switchdev net: switchdev: kerneldoc fixes 2020-07-13 17:20:40 -07:00
tipc net: tipc: kerneldoc fixes 2020-09-15 13:33:04 -07:00
tls net/tls: Fix kmap usage 2020-08-11 10:20:34 -07:00
unix treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
vmw_vsock vsock: fix potential null pointer dereference in vsock_poll() 2020-08-12 12:56:06 -07:00
wimax
wireless cfg80211: fix 6 GHz channel conversion 2020-09-18 11:43:46 +02:00
x25 treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
xdp xsk: Fix number of pinned pages/umem size discrepancy 2020-09-14 18:35:09 -07:00
xfrm treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
compat.c net/scm: Fix typo in SCM_RIGHTS compat refactoring 2020-08-07 12:43:25 -07:00
devres.c net: devres: rename the release callback of devm_register_netdev() 2020-06-30 15:57:34 -07:00
Kconfig net: ethtool: Remove PHYLIB direct dependency 2020-07-07 15:41:05 -07:00
Makefile net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
socket.c net: Fix some comments 2020-08-27 07:55:59 -07:00
sysctl_net.c