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66a7a92e4d
linux/net
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Martin KaFai Lau 84e5a0f208 bpf, net: Avoid loading module when calling bpf_setsockopt(TCP_CONGESTION) 
When bpf prog changes tcp-cc by calling bpf_setsockopt(TCP_CONGESTION),
it should not try to load module which may be a blocking operation.
This details was correct in the v1 [0] but missed by mistake in the
later revision in commit cb388e7ee3 ("bpf: net: Change do_tcp_setsockopt()
to use the sockopt's lock_sock() and capable()"). This patch fixes it by
checking the has_current_bpf_ctx().

  [0] https://lore.kernel.org/bpf/20220727060921.2373314-1-kafai@fb.com/

Fixes: cb388e7ee3 ("bpf: net: Change do_tcp_setsockopt() to use the sockopt's lock_sock() and capable()")
Signed-off-by: Martin KaFai Lau <martin.lau@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220830231946.791504-1-martin.lau@linux.dev
2022-08-31 22:21:45 +02:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p iov_iter stuff, part 2, rebased 2022-08-08 20:04:35 -07:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-14 15:27:35 -07:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 net: avoid overflow when rose /proc displays timer information. 2022-08-05 19:00:02 -07:00
batman-adv batman-adv: tracing: Use the new __vstring() helper 2022-07-30 13:52:47 -04:00
bluetooth Bluetooth: ISO: Fix not using the correct QoS 2022-08-08 17:06:36 -07:00
bpf bpf, test_run: Propagate bpf_flow_dissect's retval to user's bpf_attr.test.retval 2022-08-23 22:48:03 +02:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
caif caif: Fix bitmap data type in "struct caifsock" 2022-07-22 12:51:45 +01:00
can can: j1939: j1939_session_destroy(): fix memory leak of skbs 2022-08-09 09:05:06 +02:00
ceph libceph: clean up ceph_osdc_start_request prototype 2022-08-03 14:05:39 +02:00
core bpf: Use cgroup_{common,current}_func_proto in more hooks 2022-08-23 16:08:21 -07:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp dccp: put dccp_qpolicy_full() and dccp_qpolicy_push() in the same lock 2022-08-01 12:11:56 -07:00
decnet dn_route: replace "jiffies-now>0" with "jiffies!=now" 2022-07-29 20:12:49 -07:00
dns_resolver
dsa net: dsa: Fix spelling mistakes and cleanup code 2022-08-01 12:23:06 -07:00
ethernet net: ethernet: set default assignment identifier to NET_NAME_ENUM 2022-04-07 21:04:03 -07:00
ethtool net: delete extra space and tab in blank line 2022-07-25 19:38:31 -07:00
hsr treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 bpf, net: Avoid loading module when calling bpf_setsockopt(TCP_CONGESTION) 2022-08-31 22:21:45 +02:00
ipv6 bpf: Change bpf_setsockopt(SOL_IPV6) to reuse do_ipv6_setsockopt() 2022-08-18 17:06:13 -07:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm
key xfrm: change the type of xfrm_register_km and xfrm_unregister_km 2022-06-24 10:19:11 +02:00
l2tp l2tp: l2tp_debugfs: fix Clang -Wformat warnings 2022-07-08 12:14:36 +01:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 Tracing updates for 5.20 / 6.0 2022-08-05 09:41:12 -07:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp mptcp: do not queue data on closed subflows 2022-08-05 08:51:28 +01:00
ncsi net/ncsi: use proper "mellanox" DT vendor prefix 2022-06-23 20:51:06 -07:00
netfilter Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-08-17 20:29:36 -07:00
netlabel netlabel: fix typo in comment 2022-08-10 09:24:41 +01:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-23 12:33:24 -07:00
packet net/af_packet: check len when min_header_len equals to 0 2022-07-29 12:09:27 +01:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample
qrtr net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
rds iov_iter: advancing variants of iov_iter_get_pages{,_alloc}() 2022-08-08 22:37:22 -04:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose net: rose: add netdev ref tracker to 'struct rose_sock' 2022-08-01 11:59:23 -07:00
rxrpc net: delete extra space and tab in blank line 2022-07-25 19:38:31 -07:00
sched net: sched: delete unused input parameter in qdisc_create 2022-08-16 19:49:56 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
smc net/smc: Enable module load on netlink usage 2022-07-27 13:24:42 +01:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc NFS client updates for Linux 5.20 2022-08-10 14:04:32 -07:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
tls Including fixes from bluetooth, bpf, can and netfilter. 2022-08-11 13:45:37 -07:00
unix Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-07-09 12:24:16 -07:00
vmw_vsock vsock: Set socket state back to SS_UNCONNECTED in vsock_connect_timeout() 2022-08-10 09:50:18 +01:00
wireless wifi: cfg80211: Fix validating BSS pointers in __cfg80211_connect_result 2022-08-08 11:09:52 +03:00
x25 net/x25: fix call timeouts in blocking connects 2022-08-08 20:48:51 -07:00
xdp xsk: Mark napi_id on sendmsg() 2022-07-14 22:45:34 +02:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2022-07-25 13:25:39 +01:00
compat.c Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send 2022-07-24 18:41:03 -06:00
devres.c
Kconfig page_pool: Add allocation stats 2022-03-03 09:55:28 +00:00
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile
socket.c Networking changes for 6.0. 2022-08-03 16:29:08 -07:00
sysctl_net.c