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Kees Cook baef8d1027 bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() 
commit 6396026045 upstream.

When evaluating access control over kallsyms visibility, credentials at
open() time need to be used, not the "current" creds (though in BPF's
case, this has likely always been the same). Plumb access to associated
file->f_cred down through bpf_dump_raw_ok() and its callers now that
kallsysm_show_value() has been refactored to take struct cred.

Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: bpf@vger.kernel.org
Cc: stable@vger.kernel.org
Fixes: 7105e828c0 ("bpf: allow for correlation of maps and helpers in dump")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-07-16 08:16:45 +02:00
..
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 vlan: vlan_changelink() should propagate errors 2020-01-12 12:21:50 +01:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm net: atm: Reduce the severity of logging in unlink_clip_vcc 2019-11-18 17:08:20 -08:00
ax25 ax25: fix setsockopt(SO_BINDTODEVICE) 2020-06-03 08:20:39 +02:00
batman-adv batman-adv: Revert "disable ethtool link speed detection when auto negotiation off" 2020-06-22 09:30:56 +02:00
bluetooth Bluetooth: Add SCO fallback for invalid LMP parameters error 2020-06-22 09:30:54 +02:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter net/bpfilter: remove superfluous testing message 2020-04-21 09:04:53 +02:00
bridge net: bridge: enfore alignment for ethernet address 2020-06-30 15:36:44 -04:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
can can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-31 16:45:56 +01:00
ceph libceph: ignore pool overlay and cache logic on redirects 2020-06-03 08:21:25 +02:00
core bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() 2020-07-16 08:16:45 +02:00
dcb treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
dccp dccp: Fix possible memleak in dccp_init and dccp_fini 2020-06-17 16:40:32 +02:00
decnet net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:18:58 +01:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:36:45 +02:00
dsa net: dsa: declare lockless TX feature for slave ports 2020-06-03 08:21:38 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:20:06 +01:00
hsr hsr: check protocol version in hsr_newlink() 2020-04-21 09:04:44 +02:00
ieee802154 nl802154: add missing attribute validation for dev_type 2020-03-18 07:17:44 +01:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 tcp_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT 2020-06-30 15:36:47 -04:00
ipv6 ip6_gre: fix use-after-free in ip6gre_tunnel_lookup() 2020-06-30 15:36:46 -04:00
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 l2tp: do not use inet_hash()/inet_unhash() 2020-06-10 20:24:54 +02:00
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 llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c) 2020-01-12 12:21:45 +01:00
mac80211 mac80211: mesh: fix discovery timer re-arming issue / crash 2020-06-03 08:21:30 +02:00
mac802154 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
mpls net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-18 16:08:42 +01:00
ncsi net/ncsi: Disable global multicast filter 2019-09-19 18:04:40 -07:00
netfilter netfilter: conntrack: refetch conntrack after nf_conntrack_update() 2020-07-16 08:16:38 +02:00
netlabel netlabel: cope with NULL catmap 2020-05-20 08:20:08 +02:00
netlink netlink: Use netlink header as base to calculate bad attribute offset 2020-03-18 07:17:40 +01:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2020-04-29 16:33:08 +02:00
nfc nfc: add missing attribute validation for vendor subcommand 2020-03-18 07:17:46 +01:00
nsh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
openvswitch openvswitch: take into account de-fragmentation/gso_size in execute_check_pkt_len 2020-06-30 15:36:45 -04:00
packet net/packet: tpacket_rcv: avoid a producer race condition 2020-04-01 11:01:35 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
psample net: psample: fix skb_over_panic 2019-12-04 22:30:54 +01:00
qrtr net: qrtr: Fix an out of bounds read qrtr_endpoint_post() 2020-07-16 08:16:36 +02:00
rds net/rds: Use ERR_PTR for rds_message_alloc_sgs() 2020-05-20 08:20:27 +02:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2020-01-12 12:21:33 +01:00
rose net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
rxrpc rxrpc: Fix afs large storage transmission performance drop 2020-07-09 09:37:52 +02:00
sched net: sched: export __netdev_watchdog_up() 2020-06-30 15:36:47 -04:00
sctp sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket 2020-06-30 15:36:45 -04:00
smc net/smc: cancel event worker during device removal 2020-03-18 07:17:59 +01:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
sunrpc xprtrdma: Fix handling of RDMA_ERROR replies 2020-06-30 15:37:12 -04:00
switchdev treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tipc tipc: block BH before using dst_cache 2020-06-03 08:21:03 +02:00
tls bpf: Fix running sk_skb program types with ktls 2020-06-22 09:31:12 +02:00
unix af_unix: add compat_ioctl support 2020-01-17 19:48:52 +01:00
vmw_vsock vsock: fix timeout in vsock_accept() 2020-06-10 20:24:55 +02:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless nl80211: don't return err unconditionally in nl80211_start_ap() 2020-07-16 08:16:37 +02:00
x25 net/x25: Fix x25_neigh refcnt leak when receiving frame 2020-04-29 16:33:09 +02:00
xdp xdp: Fix xsk_generic_xmit errno 2020-06-24 17:50:44 +02:00
xfrm xfrm: Fix double ESP trailer insertion in IPsec crypto offload. 2020-06-30 15:36:53 -04:00
Kconfig net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build 2020-04-01 11:02:18 +02:00
Makefile
…
compat.c uio: make import_iovec()/compat_import_iovec() return bytes on success 2019-05-31 15:30:03 -06:00
socket.c compat_ioctl: handle SIOCOUTQNSD 2020-01-17 19:48:52 +01:00
sysctl_net.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00