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Alexei Starovoitov 9cc31b3a09 bpf: Fix race in btf_resolve_helper_id() 
btf_resolve_helper_id() caching logic is a bit racy, since under root the
verifier can verify several programs in parallel. Fix it with READ/WRITE_ONCE.
Fix the type as well, since error is also recorded.

Fixes: a7658e1a4164 ("bpf: Check types of arguments passed into helpers")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20191114185720.1641606-15-ast@kernel.org
2019-11-15 23:44:20 +01:00
..
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
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
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
ax25
ax25: enforce CAP_NET_RAW for raw sockets
2019-09-24 16:37:18 +02:00
batman-adv
Here are two batman-adv bugfixes:
2019-10-28 16:39:07 -07:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
bpf
bpf: Add kernel test functions for fentry testing
2019-11-15 23:43:01 +01:00
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/netdev/net
2019-11-02 13:54:56 -07:00
caif
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
can
can: add support of SAE J1939 protocol
2019-09-04 14:22:33 +02:00
ceph
libceph: use ceph_kvmalloc() for osdmap arrays
2019-09-16 12:06:25 +02:00
core
bpf: Fix race in btf_resolve_helper_id()
2019-11-15 23:44:20 +01:00
dcb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
dccp
inet: stop leaking jiffies on the wire
2019-11-01 14:57:52 -07:00
decnet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
ethernet
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-07 11:00:14 -07:00
hsr
hsr: switch ->dellink() to ->ndo_uninit()
2019-07-11 14:37:45 -07:00
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
net: icmp: use input address in traceroute
2019-11-03 17:25:18 -08:00
ipv6
net: icmp6: provide input address for traceroute6
2019-11-03 17:26:53 -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: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
l3mdev
ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF
2019-06-23 13:24:17 -07:00
lapb
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-17 20:20:36 -07:00
llc
net: silence KCSAN warnings around sk_add_backlog() calls
2019-10-09 21:42:59 -07:00
mac80211
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-10-20 10:43:00 -07:00
mac802154
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mpls
ipv4: mpls: fix mpls_xmit for iptunnel
2019-08-25 14:34:08 -07:00
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/netdev/net
2019-11-02 13:54:56 -07:00
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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
nsh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
openvswitch
net: openvswitch: simplify the ovs_dp_cmd_new
2019-11-03 17:18:04 -08:00
packet
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
psample
net: sched: take reference to psample group in flow_action infra
2019-09-16 09:18:03 +02:00
qrtr
net: qrtr: Simplify 'qrtr_tun_release()'
2019-10-30 17:58:23 -07:00
rds
net/rds: Remove unnecessary null check
2019-10-17 15:23:03 -04:00
rfkill
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rose
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
rxrpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
sched
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
smc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
SUNRPC: Destroy the back channel when we destroy the host transport
2019-10-30 12:04:35 -04:00
switchdev
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tipc
tipc: improve message bundling algorithm
2019-11-03 17:26:15 -08:00
tls
net/tls: store decrypted on a single bit
2019-10-07 09:58:28 -04:00
unix
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
vmw_vsock
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
x25
net: silence KCSAN warnings around sk_add_backlog() calls
2019-10-09 21:42:59 -07:00
xdp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2019-11-02 15:29:58 -07:00
xfrm
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
compat.c
uio: make import_iovec()/compat_import_iovec() return bytes on success
2019-05-31 15:30:03 -06:00
Kconfig
devlink: Add packet trap infrastructure
2019-08-17 12:40:08 -07:00
Makefile
…
socket.c
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
sysctl_net.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00