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Kuniyuki Iwashima 1971d13ffa af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc(). 
syzbot reported a lockdep splat regarding unix_gc_lock and
unix_state_lock().

One is called from recvmsg() for a connected socket, and another
is called from GC for TCP_LISTEN socket.

So, the splat is false-positive.

Let's add a dedicated lock class for the latter to suppress the splat.

Note that this change is not necessary for net-next.git as the issue
is only applied to the old GC impl.

[0]:
WARNING: possible circular locking dependency detected
6.9.0-rc5-syzkaller-00007-g4d2008430ce8 #0 Not tainted
 -----------------------------------------------------
kworker/u8:1/11 is trying to acquire lock:
ffff88807cea4e70 (&u->lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff88807cea4e70 (&u->lock){+.+.}-{2:2}, at: __unix_gc+0x40e/0xf70 net/unix/garbage.c:302

but task is already holding lock:
ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0x117/0xf70 net/unix/garbage.c:261

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

 -> #1 (unix_gc_lock){+.+.}-{2:2}:
       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
       __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
       _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
       spin_lock include/linux/spinlock.h:351 [inline]
       unix_notinflight+0x13d/0x390 net/unix/garbage.c:140
       unix_detach_fds net/unix/af_unix.c:1819 [inline]
       unix_destruct_scm+0x221/0x350 net/unix/af_unix.c:1876
       skb_release_head_state+0x100/0x250 net/core/skbuff.c:1188
       skb_release_all net/core/skbuff.c:1200 [inline]
       __kfree_skb net/core/skbuff.c:1216 [inline]
       kfree_skb_reason+0x16d/0x3b0 net/core/skbuff.c:1252
       kfree_skb include/linux/skbuff.h:1262 [inline]
       manage_oob net/unix/af_unix.c:2672 [inline]
       unix_stream_read_generic+0x1125/0x2700 net/unix/af_unix.c:2749
       unix_stream_splice_read+0x239/0x320 net/unix/af_unix.c:2981
       do_splice_read fs/splice.c:985 [inline]
       splice_file_to_pipe+0x299/0x500 fs/splice.c:1295
       do_splice+0xf2d/0x1880 fs/splice.c:1379
       __do_splice fs/splice.c:1436 [inline]
       __do_sys_splice fs/splice.c:1652 [inline]
       __se_sys_splice+0x331/0x4a0 fs/splice.c:1634
       do_syscall_x64 arch/x86/entry/common.c:52 [inline]
       do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

 -> #0 (&u->lock){+.+.}-{2:2}:
       check_prev_add kernel/locking/lockdep.c:3134 [inline]
       check_prevs_add kernel/locking/lockdep.c:3253 [inline]
       validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
       __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
       __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
       _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
       spin_lock include/linux/spinlock.h:351 [inline]
       __unix_gc+0x40e/0xf70 net/unix/garbage.c:302
       process_one_work kernel/workqueue.c:3254 [inline]
       process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
       worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
       kthread+0x2f0/0x390 kernel/kthread.c:388
       ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(unix_gc_lock);
                               lock(&u->lock);
                               lock(unix_gc_lock);
  lock(&u->lock);

 *** DEADLOCK ***

3 locks held by kworker/u8:1/11:
 #0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335
 #1: ffffc90000107d00 (unix_gc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc90000107d00 (unix_gc_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335
 #2: ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0x117/0xf70 net/unix/garbage.c:261

stack backtrace:
CPU: 0 PID: 11 Comm: kworker/u8:1 Not tainted 6.9.0-rc5-syzkaller-00007-g4d2008430ce8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound __unix_gc
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187
 check_prev_add kernel/locking/lockdep.c:3134 [inline]
 check_prevs_add kernel/locking/lockdep.c:3253 [inline]
 validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 __unix_gc+0x40e/0xf70 net/unix/garbage.c:302
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Fixes: 47d8ac011fe1 ("af_unix: Fix garbage collector racing against connect()")
Reported-and-tested-by: syzbot+fa379358c28cc87cc307@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=fa379358c28cc87cc307
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240424170443.9832-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-25 08:37:02 -07:00
..
9p
9p: Add additional debug flags and open modes
2023-03-27 02:33:48 +00:00
bluetooth
Bluetooth: hci_event: Fix sending HCI_OP_READ_ENC_KEY_SIZE
2024-04-24 16:26:11 -04:00
caif
net: caif: Remove unused declaration cfsrvl_ctrlcmd()
2023-08-10 18:24:48 -07:00
iucv
s390/iucv: use new address translation helpers
2024-03-13 09:23:48 +01:00
mana
net: mana: Fix Rx DMA datasize and skb_over_panic
2024-04-03 19:32:03 -07:00
netfilter
netfilter: flowtable: validate pppoe header
2024-04-11 12:13:11 +02:00
netns
net: Namespace-ify sysctl_optmem_max
2023-12-15 11:01:27 +00:00
nfc
nfc: core: make nfc_class constant
2024-03-05 11:21:18 -08:00
page_pool
net: page_pool: fix recycle stats for system page_pool allocator
2024-02-19 12:30:27 -08:00
phonet
net: ioctl: Use kernel memory on protocol ioctl callbacks
2023-06-15 22:33:26 -07:00
sctp
sctp: preserve const qualifier in sctp_sk()
2024-02-05 11:08:06 +00:00
tc_act
net/sched: Retire ipt action
2024-01-02 12:41:16 +00:00
6lowpan.h
…
act_api.h
net/sched: Add helper macros with module names
2024-02-02 10:57:55 -08:00
addrconf.h
ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
2024-04-09 17:09:05 -07:00
af_ieee802154.h
…
af_rxrpc.h
rxrpc, afs: Allow afs to pin rxrpc_peer objects
2023-12-24 15:22:50 +00:00
af_unix.h
af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().
2024-04-25 08:37:02 -07:00
af_vsock.h
virtio/vsock: send credit update during setting SO_RCVLOWAT
2023-12-15 10:37:35 +00:00
ah.h
…
amt.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
arp.h
neighbour: switch to standard rcu, instead of rcu_bh
2023-03-21 21:32:18 -07:00
atmclip.h
…
ax25.h
x25: preserve const qualifier in [a]x25_sk()
2023-03-18 12:23:34 +00:00
ax88796.h
ax88796: Fix some typo in a comment
2022-08-09 22:14:02 -07:00
bareudp.h
bareudp: Move definition of struct bareudp_conf to bareudp.c
2021-12-13 12:34:09 +00:00
bond_3ad.h
bonding: Add independent control state machine
2024-02-06 13:17:54 +01:00
bond_alb.h
bonding (gcc13): synchronize bond_{a,t}lb_xmit() types
2022-11-02 20:38:13 -07:00
bond_options.h
bonding: Add independent control state machine
2024-02-06 13:17:54 +01:00
bonding.h
bonding: Add independent control state machine
2024-02-06 13:17:54 +01:00
bpf_sk_storage.h
bpf: struct sock is declared twice in bpf_sk_storage header
2021-03-26 17:43:55 +01:00
busy_poll.h
net: add napi_busy_loop_rcu()
2024-02-09 10:01:09 -08:00
calipso.h
…
cfg80211-wext.h
wifi: cfg80211: Avoid clashing function prototypes
2022-11-16 11:31:47 +02:00
cfg80211.h
wifi: cfg80211: add a flag to disable wireless extensions
2024-03-25 15:23:06 +01:00
cfg802154.h
mac802154: fix llsec key resources release in mac802154_llsec_key_del
2024-03-06 21:01:26 +01:00
checksum.h
net: checksum: drop the linux/uaccess.h include
2023-01-27 11:19:46 +00:00
cipso_ipv4.h
…
cls_cgroup.h
…
codel_impl.h
codel: remove unnecessary sock.h include
2021-12-22 15:03:47 -08:00
codel_qdisc.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
codel.h
codel: fix kernel-doc notation warnings
2023-07-14 20:39:29 -07:00
compat.h
net: copy from user before calling __get_compat_msghdr
2022-07-24 18:39:17 -06:00
datalink.h
net: datalink: Remove unused declarations
2023-07-27 17:17:32 -07:00
dcbevent.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
dcbnl.h
net: dcb: add helper functions to retrieve PCP and DSCP rewrite maps
2023-01-20 09:33:22 +00:00
devlink.h
devlink: convert most of devlink_fmsg_*() to return void
2023-10-20 11:34:51 +01:00
dropreason-core.h
tcp: introduce dropreasons in receive path
2024-02-28 10:39:21 +00:00
dropreason.h
net: openvswitch: add last-action drop reason
2023-08-14 08:01:06 +01:00
dsa_stubs.h
net: dsa: Use conduit and user terms
2023-10-24 13:08:14 -07:00
dsa.h
ethtool: replace struct ethtool_eee with a new struct ethtool_keee on kernel side
2024-01-31 12:30:47 +00:00
dsfield.h
…
dst_cache.h
wireguard: device: reset peer src endpoint when netns exits
2021-11-29 19:50:45 -08:00
dst_metadata.h
xfrm: interface: Add unstable helpers for setting/getting XFRM metadata from TC-BPF
2022-12-05 21:58:27 -08:00
dst_ops.h
net: remove unnecessary input parameter 'how' in ifdown function
2023-08-22 13:19:02 +02:00
dst.h
net: dst: Make dst_destroy() static and return void.
2024-02-06 11:45:53 +01:00
eee.h
net: add helpers for EEE configuration
2024-03-05 19:21:17 -08:00
erspan.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
esp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
espintcp.h
…
ethoc.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
failover.h
net: failover: add net device refcount tracker
2021-12-06 16:06:02 -08:00
fib_notifier.h
…
fib_rules.h
fib: remove unnecessary input parameters in fib_default_rule_add
2024-01-03 16:42:48 -08:00
firewire.h
firewire: net: Make use of get_unaligned_be48(), put_unaligned_be48()
2022-07-28 22:21:54 -07:00
flow_dissector.h
net: flow_dissector: Add IPSEC dissector
2023-08-02 10:09:31 +01:00
flow_offload.h
flow_offload: Annotate struct flow_action_entry with __counted_by
2023-10-06 11:37:02 +01:00
flow.h
inet: shrink struct flowi_common
2023-11-02 09:31:02 +01:00
fou.h
bpf,fou: Add bpf_skb_{set,get}_fou_encap kfuncs
2023-04-12 16:40:39 -07:00
fq_impl.h
wifi: mac80211: add support for restricting netdev features per vif
2022-12-01 15:09:10 +01:00
fq.h
net: fq: Remove unused typedef fq_flow_get_default_t
2023-08-08 15:58:23 -07:00
garp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
gen_stats.h
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
genetlink.h
genetlink: make info in GENL_REQ_ATTR_CHECK() const
2024-02-23 18:17:36 -08:00
geneve.h
net: geneve: fix array of flexible structures warnings
2022-10-31 10:43:04 +00:00
gre.h
ip_gre: add csum offload support for gre header
2021-01-29 20:39:14 -08:00
gro_cells.h
…
gro.h
net: gro: move two declarations to include/net/gro.h
2024-03-11 14:13:14 -07:00
gso.h
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
gtp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
gue.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
handshake.h
net/handshake: Add helpers for parsing incoming TLS Alerts
2023-07-28 14:07:59 -07:00
hotdata.h
net: move rps_sock_flow_table to net_hotdata
2024-03-07 21:12:43 -08:00
hwbm.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
icmp.h
ipv6: ICMPV6: add response to ICMPV6 RFC 8335 PROBE messages
2021-06-28 14:29:45 -07:00
ieee80211_radiotap.h
wifi: radiotap: add bandwidth definition of EHT U-SIG
2023-10-12 15:14:27 +03:00
ieee802154_netdev.h
mac802154: Handle association requests from peers
2023-11-20 11:43:03 +01:00
if_inet6.h
ipv6: anycast: complete RCU handling of struct ifacaddr6
2024-02-26 18:40:34 -08:00
ife.h
…
inet6_connection_sock.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
inet6_hashtables.h
net: Fix slab-out-of-bounds in inet[6]_steal_sock
2023-08-15 13:57:51 -07:00
inet_common.h
net: factor out __inet_listen_sk() helper
2023-08-14 07:06:13 +01:00
inet_connection_sock.h
tcp: properly terminate timers for kernel sockets
2024-03-25 19:51:57 -07:00
inet_dscp.h
ipv6: Define dscp_t and stop taking ECN bits into account in fib6-rules
2022-02-07 20:12:45 -08:00
inet_ecn.h
net: add skb_get_dsfield() helper
2021-10-15 11:33:08 +01:00
inet_frag.h
inet: frags: eliminate kernel-doc warning
2023-07-14 20:39:29 -07:00
inet_hashtables.h
tcp: Remove dead code and fields for bhash2.
2023-12-22 22:15:35 +00:00
inet_sock.h
inet: Add getsockopt support for IP_ROUTER_ALERT and IPV6_ROUTER_ALERT
2024-03-06 12:37:06 +00:00
inet_timewait_sock.h
tcp: Remove dead code and fields for bhash2.
2023-12-22 22:15:35 +00:00
inetpeer.h
…
ioam6.h
net: ioam6: multicast event
2024-02-28 11:19:41 +00:00
ip6_checksum.h
net: move gro definitions to include/net/gro.h
2021-11-16 13:16:54 +00:00
ip6_fib.h
net/ipv6: Remove expired routes with a separated list of routes.
2024-02-12 10:24:12 +00:00
ip6_route.h
ipv6: annotate data-races around cnf.mtu6
2024-03-01 08:42:31 +00:00
ip6_tunnel.h
ip_gre, ip6_gre: Fix race condition on o_seqno in collect_md mode
2022-04-25 11:40:45 +01:00
ip_fib.h
inet: allow ip_valid_fib_dump_req() to be called with RTNL or RCU
2024-02-26 11:46:12 +00:00
ip_tunnels.h
geneve: fix header validation in geneve[6]_xmit_skb
2024-04-08 11:51:04 +01:00
ip_vs.h
ipvs: Correct spelling in comments
2023-04-22 01:39:41 +02:00
ip.h
ipmr: fix kernel panic when forwarding mcast packets
2024-01-26 21:05:26 -08:00
ipcomp.h
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
ipv6_frag.h
net: dropreason: add SKB_DROP_REASON_FRAG_REASM_TIMEOUT
2022-10-31 20:14:27 -07:00
ipv6_stubs.h
ipsec-next-2023-10-28
2023-10-30 14:36:57 -07:00
ipv6.h
ipv6: annotate data-races around cnf.forwarding
2024-03-01 08:42:31 +00:00
iw_handler.h
wifi: wext: Remove unused declaration dev_get_wireless_info()
2023-08-22 21:40:40 +02:00
kcm.h
kcm: Send multiple frags in one sendmsg()
2023-06-12 21:13:23 -07:00
l3mdev.h
…
lag.h
…
lapb.h
net: lapb: Make "lapb_t1timer_running" able to detect an already running timer
2021-03-23 14:14:50 -07:00
lib80211.h
…
llc_c_ac.h
net: llc: Remove unused function declarations
2023-08-04 15:33:17 -07:00
llc_c_ev.h
net: llc: Remove unused function declarations
2023-08-04 15:33:17 -07:00
llc_c_st.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_conn.h
llc: Check netns in llc_estab_match() and llc_listener_match().
2023-07-20 10:46:28 +02:00
llc_if.h
llc/snap: constify dev_addr passing
2021-10-13 09:40:46 -07:00
llc_pdu.h
llc: Drop support for ETH_P_TR_802_2.
2024-01-19 21:30:09 -08:00
llc_s_ac.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_s_ev.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_s_st.h
add missing includes and forward declarations to networking includes under linux/
2022-07-28 11:29:36 +02:00
llc_sap.h
…
llc.h
llc: fix out-of-bound array index in llc_sk_dev_hash()
2021-11-07 19:25:29 +00:00
lwtunnel.h
lwt: Check LWTUNNEL_XMIT_CONTINUE strictly
2023-08-18 16:05:26 +02:00
mac80211.h
wifi: mac80211: don't use rate mask for scanning
2024-04-08 20:11:34 +02:00
mac802154.h
mac802154: Drop IEEE802154_HW_RX_DROP_BAD_CKSUM
2022-10-12 12:57:19 +02:00
macsec.h
macsec: Enable devices to advertise whether they update sk_buff md_dst during offloads
2024-04-25 08:20:54 -07:00
mctp.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-02-29 14:24:56 -08:00
mctpdevice.h
mctp: Pass flow data & flow release events to drivers
2021-10-29 13:23:51 +01:00
mip6.h
…
mld.h
mld: add new workqueues for process mld events
2021-03-26 15:14:56 -07:00
mpls_iptunnel.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
mpls.h
…
mptcp.h
mptcp: add struct mptcp_sched_ops
2023-08-22 17:31:18 -07:00
mrp.h
mrp: introduce active flags to prevent UAF when applicant uninit
2022-11-18 12:14:55 +00:00
ncsi.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
ndisc.h
ndisc: Remove unused ndisc_ifinfo_sysctl_strategy() declaration
2023-08-07 08:53:55 +01:00
neighbour.h
neighbour: Fix __randomize_layout crash in struct neighbour
2023-11-28 12:18:29 +01:00
net_debug.h
net: add CONFIG_DEBUG_NET
2022-05-11 12:43:10 +01:00
net_failover.h
…
net_namespace.h
net: add exit_batch_rtnl() method
2024-02-07 18:55:10 -08:00
net_ratelimit.h
…
net_trackers.h
net: add networking namespace refcount tracker
2021-12-10 06:38:26 -08:00
netdev_queues.h
netdev: add queue stat for alloc failures
2024-03-07 21:13:26 -08:00
netdev_rx_queue.h
net: Add queue and napi association
2023-12-04 18:04:05 -08:00
netevent.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
netkit.h
bpf, netkit: Add indirect call wrapper for fetching peer dev
2023-11-20 10:15:16 -08:00
netlabel.h
netlabel: cleanup struct netlbl_lsm_catmap
2024-02-07 12:38:30 +00:00
netlink.h
genetlink: introduce helpers to do filtered multicast
2023-12-19 15:31:40 +01:00
netmem.h
net: introduce abstraction for network memory
2024-02-20 09:22:58 +01:00
netprio_cgroup.h
…
netrom.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
nexthop.h
net: nexthop: Have all NH notifiers carry NH ID
2024-03-11 14:14:07 -07:00
nl802154.h
ieee802154: Give the user the association list
2023-11-20 11:43:45 +01:00
nsh.h
net: NSH: fix kernel-doc notation warning
2023-07-14 20:39:29 -07:00
p8022.h
net: 802: Remove unused function declarations
2023-08-04 15:33:50 -07:00
pie.h
pie: fix kernel-doc notation warning
2023-07-14 20:39:30 -07:00
ping.h
net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294
2023-06-02 09:55:22 +01:00
pkt_cls.h
net/sched: Add helper macros with module names
2024-02-02 10:57:55 -08:00
pkt_sched.h
net/sched: Add helper macros with module names
2024-02-02 10:57:55 -08:00
pptp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
protocol.h
ipv6: move tcp_ipv6_hash_secret and udp_ipv6_hash_secret to net_hotdata
2024-03-07 21:12:43 -08:00
psample.h
psample: Add a fwd declaration for skbuff
2021-08-09 15:34:21 -07:00
psnap.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
raw.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-04-06 12:01:20 -07:00
rawv6.h
ipv6: raw: constify raw_v6_match() socket argument
2023-03-17 08:56:37 +00:00
red.h
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
regulatory.h
wifi: cfg80211: save power spectral density(psd) of regulatory rule
2023-09-18 09:44:05 +02:00
request_sock.h
tcp: Clear req->syncookie in reqsk_alloc().
2024-03-19 19:35:59 -07:00
rose.h
net: rose: add netdev ref tracker to 'struct rose_sock'
2022-08-01 11:59:23 -07:00
route.h
ipv4: Set the routing scope properly in ip_route_output_ports().
2024-02-12 17:33:05 -08:00
rpl.h
ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv().
2023-06-19 11:32:58 -07:00
rps.h
net: move rps_sock_flow_table to net_hotdata
2024-03-07 21:12:43 -08:00
rsi_91x.h
rsi: remove kernel-doc comment marker
2023-07-14 20:39:30 -07:00
rtnetlink.h
rtnetlink: add RTNL_FLAG_DUMP_UNLOCKED flag
2024-02-26 11:46:12 +00:00
rtnh.h
…
sch_generic.h
net/sched: Fix mirred deadlock on device recursion
2024-04-17 18:22:52 -07:00
scm.h
af_unix: Try to run GC async.
2024-01-26 20:34:25 -08:00
secure_seq.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
seg6_hmac.h
…
seg6_local.h
…
seg6.h
udp6: Use Segment Routing Header for dest address if present
2022-01-04 12:17:35 +00:00
selftests.h
net: selftest: fix build issue if INET is disabled
2021-04-28 14:06:45 -07:00
slhc_vj.h
…
smc.h
net/smc: manage system EID in SMC stack instead of ISM driver
2023-12-26 20:24:33 +00:00
snmp.h
…
sock_reuseport.h
soreuseport: Fix socket selection for SO_INCOMING_CPU.
2022-10-25 11:35:16 +02:00
sock.h
net: fix sk_memory_allocated_{add|sub} vs softirqs
2024-04-23 19:02:24 -07:00
Space.h
net: appletalk: remove cops support
2023-10-04 11:49:20 -07:00
stp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
strparser.h
tls: rx: remove the message decrypted tracking
2022-07-18 11:24:10 +01:00
switchdev.h
net: bridge: switchdev: Skip MDB replays of deferred events on offload
2024-02-16 09:36:37 +00:00
tc_wrapper.h
Merge branch 'x86/bugs' into x86/core, to pick up pending changes before dependent patches
2024-02-14 10:49:37 +01:00
tcp_ao.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-01-04 18:06:46 -08:00
tcp_states.h
tcp: Dump bound-only sockets in inet_diag.
2023-12-04 14:45:26 -08:00
tcp.h
tcp: make the dropreason really work when calling tcp_rcv_state_process()
2024-02-28 10:39:22 +00:00
tcx.h
bpf, tcx: Get rid of tcx_link_const
2023-10-23 15:01:53 -07:00
timewait_sock.h
…
tipc.h
…
tls_prot.h
net/tls: Add TLS Alert definitions
2023-07-28 14:07:59 -07:00
tls_toe.h
…
tls.h
tls: fix lockless read of strp->msg_ready in ->poll
2024-04-25 08:32:37 -07:00
transp_v6.h
inet6: Remove unused function declaration udpv6_connect()
2023-08-01 15:06:27 -07:00
tso.h
net: tso: inline tso_count_descs()
2022-12-12 15:04:39 -08:00
tun_proto.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
udp_tunnel.h
ipv6: add new arguments to udp_tunnel6_dst_lookup()
2023-10-23 08:48:57 +01:00
udp.h
udp/udplite: Remove unused function declarations udp{,lite}_get_port()
2023-08-07 08:53:55 +01:00
udplite.h
udplite: fix various data-races
2023-09-14 16:16:36 +02:00
vsock_addr.h
…
vxlan.h
vxlan: add support for flowlabel inherit
2023-11-16 22:33:31 +00:00
wext.h
…
x25.h
x25: preserve const qualifier in [a]x25_sk()
2023-03-18 12:23:34 +00:00
x25device.h
…
xdp_priv.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
xdp_sock_drv.h
xsk: fix usage of multi-buffer BPF helpers for ZC XDP
2024-01-24 16:24:06 -08:00
xdp_sock.h
xsk: Don't assume metadata is always requested in TX completion
2024-03-19 13:47:29 +01:00
xdp.h
net, xdp: Correct grammar
2023-12-14 16:38:59 +01:00
xfrm.h
xfrm: get global statistics from the offloaded device
2024-02-05 16:45:49 -08:00
xsk_buff_pool.h
xsk: add functions to fill control buffer
2023-12-13 16:16:40 -08:00