Eric Dumazet e5c8eda39a udp: call skb_orphan() before skb_attempt_defer_free() ...

Standard UDP receive path does not use skb->destructor.

But skmsg layer does use it, since it calls skb_set_owner_sk_safe()
from udp_read_skb().

This then triggers this warning in skb_attempt_defer_free():

    DEBUG_NET_WARN_ON_ONCE(skb->destructor);

We must call skb_orphan() to fix this issue.

Fixes: 6471658dc6 ("udp: use skb_attempt_defer_free()")
Reported-by: syzbot+3e68572cf2286ce5ebe9@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/695b83bd.050a0220.1c9965.002b.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260105093630.1976085-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2026-01-06 17:05:17 -08:00

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6lowpan

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9p

Merge tag '9p-for-6.19-rc1' of https://github.com/martinetd/linux

2025-12-07 08:29:09 -08:00

802

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8021q

net: vlan: sync VLAN features with lower device

2025-10-31 17:42:35 -07:00

appletalk

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

atm

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-11-27 12:19:08 -08:00

ax25

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

batman-adv

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-10-31 06:46:03 -07:00

bluetooth

Bluetooth: MGMT: report BIS capability flags in supported settings

2025-12-19 17:11:27 -05:00

bpf

bpf: Do not let BPF test infra emit invalid GSO types to stack

2025-10-20 13:16:10 -07:00

bridge

Merge tag 'nf-26-01-02' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

2026-01-04 10:59:59 -08:00

caif

caif: fix integer underflow in cffrml_receive()

2025-12-11 01:35:41 -08:00

can

can: j1939: make j1939_sk_bind() fail if device is no longer registered

2025-12-17 10:47:33 +01:00

ceph

Merge tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client

2025-12-14 15:24:10 +12:00

core

net: fix memory leak in skb_segment_list for GRO packets

2026-01-05 17:01:28 -08:00

dcb

Revert "Documentation: net: add flow control guide and document ethtool API"

2025-10-01 09:48:21 +02:00

devlink

tools: ynl-gen: add regeneration comment

2025-11-25 19:20:42 -08:00

dns_resolver

net/dns_resolver: use credential guards in dns_query()

2025-11-04 12:36:51 +01:00

dsa

net: dsa: fix missing put_device() in dsa_tree_find_first_conduit()

2025-12-23 10:32:08 +01:00

ethernet

net: optimize eth_type_trans() vs CONFIG_STACKPROTECTOR_STRONG=y

2025-11-24 19:27:31 -08:00

ethtool

ethtool: Avoid overflowing userspace buffer on stats query

2025-12-18 12:24:25 +01:00

handshake

net/handshake: Fix null-ptr-deref in handshake_complete()

2025-12-22 12:36:40 +01:00

hsr

net/hsr: fix NULL pointer dereference in prp_get_untagged_frame()

2025-12-04 11:15:13 +01:00

ieee802154

net: Convert proto callbacks from sockaddr to sockaddr_unsized

2025-11-04 19:10:33 -08:00

ife

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ipv4

udp: call skb_orphan() before skb_attempt_defer_free()

2026-01-06 17:05:17 -08:00

ipv6

ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT

2025-12-30 12:04:36 +01:00

iucv

net: Remove KMSG_COMPONENT macro

2025-11-28 19:20:27 -08:00

kcm

Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2025-12-03 17:24:33 -08:00

key

pfkey: Deprecate pfkey

2025-10-30 09:03:12 +01:00

l2tp

l2tp: correct debugfs label for tunnel tx stats

2025-12-01 12:03:09 -08:00

l3mdev

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lapb

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llc

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

mac80211

wifi: mac80211: ocb: skip rx_no_sta when interface is not joined

2025-12-16 10:33:14 +01:00

mac802154

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mctp

net: mctp: test: move TX packetqueue from dst to dev

2025-12-01 13:52:13 -08:00

mpls

mpls: Drop RTNL for RTM_NEWROUTE, RTM_DELROUTE, and RTM_GETROUTE.

2025-11-03 17:40:54 -08:00

mptcp

mptcp: ensure context reset on disconnect()

2025-12-23 09:12:25 +01:00

ncsi

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netfilter

netfilter: nf_conncount: update last_gc only when GC has been performed

2026-01-02 10:44:28 +01:00

netlabel

audit: add record for multiple task security contexts

2025-08-30 10:15:30 -04:00

netlink

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

netrom

netrom: Fix memory leak in nr_sendmsg()

2025-12-04 11:01:17 +01:00

nfc

net: nfc: fix deadlock between nfc_unregister_device and rfkill_fop_write

2025-12-28 09:15:42 +01:00

nsh

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openvswitch

net: openvswitch: Avoid needlessly taking the RTNL on vport destroy

2025-12-22 12:25:11 +01:00

packet

net: Convert struct sockaddr to fixed-size "sa_data[14]"

2025-11-04 19:10:33 -08:00

phonet

net: Convert proto callbacks from sockaddr to sockaddr_unsized

2025-11-04 19:10:33 -08:00

psample

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psp

tools: ynl-gen: add regeneration comment

2025-11-25 19:20:42 -08:00

qrtr

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

rds

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

rfkill

net: replace use of system_wq with system_percpu_wq

2025-09-22 17:40:30 -07:00

rose

net: rose: fix invalid array index in rose_kill_by_device()

2025-12-30 11:45:51 +01:00

rxrpc

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

sched

net/sched: act_mirred: Fix leak when redirecting to self on egress

2026-01-05 16:23:42 -08:00

sctp

sctp: Clear inet_opt in sctp_v6_copy_ip_options().

2025-12-18 16:18:00 +01:00

shaper

tools: ynl-gen: add regeneration comment

2025-11-25 19:20:42 -08:00

smc

net: smc: SMC_HS_CTRL_BPF should depend on BPF_JIT

2025-12-04 11:07:18 -08:00

strparser

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-11-13 12:35:38 -08:00

sunrpc

Merge tag 'nfsd-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

2025-12-24 09:23:04 -08:00

switchdev

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tipc

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-11-13 12:35:38 -08:00

tls

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-10-31 06:46:03 -07:00

unix

af_unix: don't post cmsg for SO_INQ unless explicitly asked for

2025-12-28 16:11:22 +01:00

vmw_vsock

vsock: Make accept()ed sockets use custom setsockopt()

2026-01-05 16:14:50 -08:00

wireless

wifi: cfg80211: sme: store capped length in __cfg80211_connect_result()

2025-12-16 10:22:51 +01:00

x25

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

xdp

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-11-27 12:19:08 -08:00

xfrm

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-11-20 09:13:26 -08:00

compat.c

socket: Unify getsockname and getpeername implementation

2025-11-26 13:45:23 -07:00

devres.c

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Kconfig

net: Kconfig: discourage drop_monitor enablement

2025-10-17 16:29:26 -07:00

Kconfig.debug

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Makefile

psp: base PSP device support

2025-09-18 12:32:06 +02:00

socket.c

Merge tag 'vfs-6.19-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2025-12-05 15:52:30 -08:00

sysctl_net.c

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