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Fred Li 4e1a409742 bpf: Fix a segment issue when downgrading gso_size 
[ Upstream commit fa5ef655615a01533035c6139248c5b33aa27028 ]

Linearize the skb when downgrading gso_size because it may trigger a
BUG_ON() later when the skb is segmented as described in [1,2].

Fixes: 2be7e212d5419 ("bpf: add bpf_skb_adjust_room helper")
Signed-off-by: Fred Li <dracodingfly@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/all/20240626065555.35460-2-dracodingfly@gmail.com [1]
Link: https://lore.kernel.org/all/668d5cf1ec330_1c18c32947@willemb.c.googlers.com.notmuch [2]
Link: https://lore.kernel.org/bpf/20240719024653.77006-1-dracodingfly@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-23 23:20:17 +01:00
..
bpf_sk_storage.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
datagram.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
datagram.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dev.c net: give more chances to rcu in netdev_wait_allrefs_any() 2024-11-19 12:26:55 +01:00
dev_addr_lists.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dev_ioctl.c net: dev: Convert sa_data to flexible array in struct sockaddr 2024-11-18 22:25:41 +01:00
devlink.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
drop_monitor.c drop_monitor: replace spin_lock by raw_spin_lock 2024-11-19 14:19:06 +01:00
dst.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dst_cache.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
failover.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fib_notifier.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fib_rules.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
filter.c bpf: Fix a segment issue when downgrading gso_size 2024-11-23 23:20:17 +01:00
flow_dissector.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
flow_offload.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gen_estimator.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gen_stats.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gro_cells.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hwbm.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
link_watch.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lwt_bpf.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lwtunnel.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
neighbour.c neighbour: Don't let neigh_forced_gc() disable preemption for long 2024-11-18 12:12:16 +01:00
net-procfs.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
net-sysfs.c Backport mac80211 patches from linux-6.1.y 2024-06-15 16:29:20 -03:00
net-sysfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
net-traces.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
net_namespace.c netns: Make get_net_ns() handle zero refcount net 2024-11-19 14:19:08 +01:00
netclassid_cgroup.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netevent.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netpoll.c netpoll: Fix race condition in netpoll_owner_active 2024-11-19 14:19:06 +01:00
netprio_cgroup.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
page_pool.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pktgen.c net: pktgen: Fix interface flags printing 2024-11-08 11:26:11 +01:00
ptp_classifier.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
request_sock.c tcp: make sure init the accept_queue's spinlocks once 2024-11-18 12:12:59 +01:00
rtnetlink.c rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation 2024-11-19 11:32:45 +01:00
scm.c Revert "io_uring/unix: drop usage of io_uring socket" 2024-11-19 09:11:51 +01:00
secure_seq.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
skbuff.c kcov: Remove kcov include from sched.h and move it to its users. 2024-11-19 11:32:46 +01:00
skmsg.c bpf, sockmap: Fix sk->sk_forward_alloc warn_on in sk_stream_kill_queues 2024-11-19 14:19:42 +01:00
sock.c ipv6: Fix data races around sk->sk_prot. 2024-11-19 14:19:35 +01:00
sock_diag.c sock_diag: annotate data-races around sock_diag_handlers[family] 2024-11-19 08:44:38 +01:00
sock_map.c bpf, sockmap: Fix sk->sk_forward_alloc warn_on in sk_stream_kill_queues 2024-11-19 14:19:42 +01:00
sock_reuseport.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
stream.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sysctl_net_core.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
timestamping.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tso.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
utils.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xdp.c xdp: fix invalid wait context of page_pool_destroy() 2024-11-23 23:20:08 +01:00