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linux/net/core
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Mina Almasry 6f793a1d05 net: netmem: fix skb_ensure_writable with unreadable skbs 
skb_ensure_writable should succeed when it's trying to write to the
header of the unreadable skbs, so it doesn't need an unconditional
skb_frags_readable check. The preceding pskb_may_pull() call will
succeed if write_len is within the head and fail if we're trying to
write to the unreadable payload, so we don't need an additional check.

Removing this check restores DSCP functionality with unreadable skbs as
it's called from dscp_tg.

Cc: willemb@google.com
Cc: asml.silence@gmail.com
Fixes: 65249feb6b ("net: add support for skbs with unreadable frags")
Signed-off-by: Mina Almasry <almasrymina@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250615200733.520113-1-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-17 15:48:20 -07:00
..
bpf_sk_storage.c bpf: Remove unnecessary BTF lookups in bpf_sk_storage_tracing_allowed 2025-01-29 08:51:51 -08:00
datagram.c net: devmem: support single IOV with sendmsg 2025-05-26 10:00:48 +01:00
dev.c net: annotate data-races around cleanup_net_task 2025-06-05 08:02:26 -07:00
dev.h netdev: add "ops compat locking" helpers 2025-04-09 17:01:51 -07:00
dev_addr_lists.c net: ti: icssg-prueth: Add Multicast Filtering support for VLAN in MAC mode 2025-01-14 12:17:27 +01:00
dev_addr_lists_test.c net: dev_addr_lists: move locking out of init/exit in kunit 2024-04-15 10:26:35 +01:00
dev_api.c net: core: Convert dev_set_mac_address_user() to use struct sockaddr_storage 2025-05-27 08:25:43 +02:00
dev_ioctl.c net: core: Convert dev_set_mac_address_user() to use struct sockaddr_storage 2025-05-27 08:25:43 +02:00
devmem.c net: devmem: move list_add to net_devmem_bind_dmabuf. 2025-05-27 19:19:35 -07:00
devmem.h net: Fix net_devmem_bind_dmabuf for non-devmem configs 2025-05-30 19:23:36 -07:00
drop_monitor.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
dst.c net: decrease cached dst counters in dst_release 2025-04-03 13:05:07 +02:00
dst_cache.c net: dst_cache: Use nested-BH locking for dst_cache::cache 2025-05-15 15:23:30 +02:00
failover.c net: failover: use IFF_NO_ADDRCONF flag to prevent ipv6 addrconf 2022-12-12 15:18:25 -08:00
fib_notifier.c net: do not acquire rtnl in fib_seq_sum() 2024-10-11 15:35:05 -07:00
fib_rules.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-04-17 12:26:50 -07:00
filter.c net: clear the dst when changing skb protocol 2025-06-11 17:02:29 -07:00
flow_dissector.c net: remove '__' from __skb_flow_get_ports() 2025-02-24 14:27:53 -08:00
flow_offload.c tc: flower: Enable offload support IPSEC SPI field. 2023-08-02 10:09:32 +01:00
gen_estimator.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
gen_stats.c net: Remove the obsolte u64_stats_fetch_*_irq() users (net). 2022-10-28 20:13:54 -07:00
gro.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-02-27 10:20:58 -08:00
gro_cells.c net: move netdev_max_backlog to net_hotdata 2024-03-07 21:12:42 -08:00
gso.c net: introduce struct net_hotdata 2024-03-07 21:12:41 -08:00
hotdata.c net: introduce per netns packet chains 2025-03-24 13:58:22 -07:00
hwbm.c
ieee8021q_helpers.c net: add IEEE 802.1q specific helpers 2024-05-08 10:35:09 +01:00
link_watch.c net: hold instance lock during NETDEV_CHANGE 2025-04-07 11:13:39 -07:00
lock_debug.c netdev: fix the locking for netdev notifications 2025-04-17 18:55:14 -07:00
lwt_bpf.c bpf: lwtunnel: Prepare bpf_lwt_xmit_reroute() to future .flowi4_tos conversion. 2024-11-14 19:07:49 -08:00
lwtunnel.c inet: Remove rtnl_is_held arg of lwtunnel_valid_encap_type(_attr)?(). 2025-05-20 19:18:24 -07:00
Makefile net: rename rtnl_net_debug to lock_debug 2025-04-03 15:32:08 -07:00
mp_dmabuf_devmem.h memory-provider: dmabuf devmem memory provider 2024-09-11 20:44:31 -07:00
neighbour.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
net-procfs.c net: add data-race annotations in softnet_seq_show() 2025-04-08 12:30:55 -07:00
net-sysfs.c net: designate queue counts as "double ops protected" by instance lock 2025-03-25 10:06:49 -07:00
net-sysfs.h
net-traces.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
net_namespace.c net: annotate data-races around cleanup_net_task 2025-06-05 08:02:26 -07:00
net_test.c pfcp: always set pfcp metadata 2024-04-01 10:49:28 +01:00
netclassid_cgroup.c cgroup, netclassid: on modifying netclassid in cgroup, only consider the main process. 2023-10-16 16:36:53 -07:00
netdev-genl-gen.c net: devmem: TCP tx netlink api 2025-05-13 11:12:48 +02:00
netdev-genl-gen.h net: devmem: TCP tx netlink api 2025-05-13 11:12:48 +02:00
netdev-genl.c net: devmem: move list_add to net_devmem_bind_dmabuf. 2025-05-27 19:19:35 -07:00
netdev_rx_queue.c net: avoid false positive warnings in __net_mp_close_rxq() 2025-04-04 07:35:38 -07:00
netevent.c
netmem_priv.h page_pool: Track DMA-mapped pages and unmap them when destroying the pool 2025-04-14 16:30:29 -07:00
netpoll.c netpoll: Eliminate redundant assignment 2025-03-24 13:42:53 -07:00
netprio_cgroup.c bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode 2021-09-13 16:35:58 -07:00
of_net.c net: Explicitly include correct DT includes 2023-07-27 20:33:16 -07:00
page_pool.c page_pool: Fix use-after-free in page_pool_recycle_in_ring 2025-05-28 19:19:36 -07:00
page_pool_priv.h net: page_pool: don't try to stash the napi id 2025-01-27 14:37:41 -08:00
page_pool_user.c net: use napi_id_valid helper 2025-02-17 16:43:04 -08:00
pktgen.c net: pktgen: fix code style (WARNING: Prefer strscpy over strcpy) 2025-04-17 13:02:41 +02:00
ptp_classifier.c ptp: Add generic PTP is_sync() function 2022-03-07 11:31:34 +00:00
request_sock.c tcp: make sure init the accept_queue's spinlocks once 2024-01-19 21:13:25 -08:00
rtnetlink.c net: prevent a NULL deref in rtnl_create_link() 2025-06-05 08:03:00 -07:00
scm.c af_unix: Move SOCK_PASS{CRED,PIDFD,SEC} to struct sock. 2025-05-23 10:24:18 +01:00
secure_seq.c net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
selftests.c net: selftests: initialize TCP header and skb payload with zero 2025-04-22 15:30:35 +02:00
skb_fault_injection.c net: Implement fault injection forcing skb reallocation 2024-11-12 12:05:33 +01:00
skbuff.c net: netmem: fix skb_ensure_writable with unreadable skbs 2025-06-17 15:48:20 -07:00
skmsg.c bpf, sockmap: Avoid using sk_socket after free when sending 2025-05-22 16:16:37 -07:00
sock.c Fix sock_exceed_buf_limit not being triggered in __sk_mem_raise_allocated 2025-05-28 19:07:53 -07:00
sock_destructor.h skb_expand_head() adjust skb->truesize incorrectly 2021-10-22 12:35:51 -07:00
sock_diag.c net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
sock_map.c BPF fixes: 2025-02-20 15:37:17 -08:00
sock_reuseport.c net: core: annotate socks of struct sock_reuseport with __counted_by 2024-08-02 17:16:59 -07:00
stream.c net: Return error from sk_stream_wait_connect() if sk_wait_event() fails 2023-12-15 10:48:51 +00:00
sysctl_net_core.c net: rps: remove kfree_rcu_mightsleep() use 2025-04-08 12:30:55 -07:00
timestamping.c net: Add the possibility to support a selected hwtstamp in netdevice 2024-12-16 12:51:40 +00:00
tso.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
utils.c net: Fix checksum update for ILA adj-transport 2025-05-30 19:53:51 -07:00
xdp.c xsk: add missing virtual address conversion for page 2025-05-27 11:46:47 +02:00