Eric Dumazet a0c2dc1fe6 nfc: fix memory leak in llcp_sock_bind() ... sysbot reported a memory leak after a bind() has failed. While we are at it, abort the operation if kmemdup() has failed. BUG: memory leak unreferenced object 0xffff888105d83ec0 (size 32): comm "syz-executor067", pid 7207, jiffies 4294956228 (age 19.430s) hex dump (first 32 bytes): 00 69 6c 65 20 72 65 61 64 00 6e 65 74 3a 5b 34 .ile read.net:[4 30 32 36 35 33 33 30 39 37 5d 00 00 00 00 00 00 026533097]...... backtrace: [<0000000036bac473>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline] [<0000000036bac473>] slab_post_alloc_hook /mm/slab.h:522 [inline] [<0000000036bac473>] slab_alloc /mm/slab.c:3319 [inline] [<0000000036bac473>] __do_kmalloc /mm/slab.c:3653 [inline] [<0000000036bac473>] __kmalloc_track_caller+0x169/0x2d0 /mm/slab.c:3670 [<000000000cd39d07>] kmemdup+0x27/0x60 /mm/util.c:120 [<000000008e57e5fc>] kmemdup /./include/linux/string.h:432 [inline] [<000000008e57e5fc>] llcp_sock_bind+0x1b3/0x230 /net/nfc/llcp_sock.c:107 [<000000009cb0b5d3>] __sys_bind+0x11c/0x140 /net/socket.c:1647 [<00000000492c3bbc>] __do_sys_bind /net/socket.c:1658 [inline] [<00000000492c3bbc>] __se_sys_bind /net/socket.c:1656 [inline] [<00000000492c3bbc>] __x64_sys_bind+0x1e/0x30 /net/socket.c:1656 [<0000000008704b2a>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296 [<000000009f4c57a4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: 30cc458765 ("NFC: Move LLCP code to the NFC top level diirectory") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2019-10-04 18:31:36 -07:00
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6lowpan	…
9p	9p pull request for inclusion in 5.4	2019-09-27 15:10:34 -07:00
802	…
8021q	…
appletalk	…
atm	…
ax25	…
batman-adv	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
bluetooth	…
bpf	…
bpfilter	…
bridge	…
caif	…
can	…
ceph	…
core	net: make sock_prot_memory_pressure() return "const char *"	2019-10-04 14:30:23 -07:00
dcb	…
dccp	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
decnet	…
dns_resolver	…
dsa	net: dsa: sja1105: Fix sleeping while atomic in .port_hwtstamp_set	2019-10-02 12:19:53 -04:00
ethernet	…
hsr	…
ieee802154	…
ife	net: Fix Kconfig indentation	2019-09-26 08:56:17 +02:00
ipv4	net: ipv4: avoid mixed n_redirects and rate_tokens usage	2019-10-04 17:27:04 -07:00
ipv6	ipv6: Handle missing host route in __ipv6_ifa_notify	2019-10-04 18:08:58 -07:00
iucv	…
kcm	kcm: disable preemption in kcm_parse_func_strparser()	2019-09-27 10:27:14 +02:00
key	…
l2tp	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
l3mdev	…
lapb	…
llc	…
mac80211	mac80211: keep BHs disabled while calling drv_tx_wake_queue()	2019-10-01 17:56:19 +02:00
mac802154	…
mpls	…
ncsi	…
netfilter	netfilter: nft_connlimit: disable bh on garbage collection	2019-10-01 18:42:15 +02:00
netlabel	…
netlink	…
netrom	…
nfc	nfc: fix memory leak in llcp_sock_bind()	2019-10-04 18:31:36 -07:00
nsh	…
openvswitch	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
packet	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
phonet	…
psample	…
qrtr	…
rds	net/rds: Fix error handling in rds_ib_add_one()	2019-10-02 12:16:57 -04:00
rfkill	…
rose	…
rxrpc	…
sched	sch_dsmark: fix potential NULL deref in dsmark_init()	2019-10-04 18:28:30 -07:00
sctp	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
smc	…
strparser	…
sunrpc	Highlights:	2019-09-27 17:00:27 -07:00
switchdev	…
tipc	tipc: fix unlimited bundling of small messages	2019-10-02 11:02:05 -04:00
tls	…
unix	…
vmw_vsock	vsock: Fix a lockdep warning in __vsock_release()	2019-10-01 21:23:35 -04:00
wimax	…
wireless	nl80211: fix null pointer dereference	2019-10-01 17:56:19 +02:00
x25	…
xdp	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2019-09-28 17:47:33 -07:00
xfrm	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
Kconfig	…
Makefile	…
compat.c	…
socket.c	…
sysctl_net.c	…