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Expose port function commands to enable / disable IPsec packet offloads,
this is used to control the port IPsec capabilities.
When IPsec packet is disabled for a function of the port (default),
function cannot offload IPsec packet operations (encapsulation and XFRM
policy offload). When enabled, IPsec packet operations can be offloaded
by the function of the port, which includes crypto operation
(Encrypt/Decrypt), IPsec encapsulation and XFRM state and policy
offload.
Example of a PCI VF port which supports IPsec packet offloads:
$ devlink port show pci/0000:06:00.0/1
pci/0000:06:00.0/1: type eth netdev enp6s0pf0vf0 flavour pcivf pfnum 0 vfnum 0
function:
hw_addr 00:00:00:00:00:00 roce enable ipsec_packet disable
$ devlink port function set pci/0000:06:00.0/1 ipsec_packet enable
$ devlink port show pci/0000:06:00.0/1
pci/0000:06:00.0/1: type eth netdev enp6s0pf0vf0 flavour pcivf pfnum 0 vfnum 0
function:
hw_addr 00:00:00:00:00:00 roce enable ipsec_packet enable
Signed-off-by: Dima Chumak <dchumak@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230825062836.103744-3-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Expose port function commands to enable / disable IPsec crypto offloads,
this is used to control the port IPsec capabilities.
When IPsec crypto is disabled for a function of the port (default),
function cannot offload any IPsec crypto operations (Encrypt/Decrypt and
XFRM state offloading). When enabled, IPsec crypto operations can be
offloaded by the function of the port.
Example of a PCI VF port which supports IPsec crypto offloads:
$ devlink port show pci/0000:06:00.0/1
pci/0000:06:00.0/1: type eth netdev enp6s0pf0vf0 flavour pcivf pfnum 0 vfnum 0
function:
hw_addr 00:00:00:00:00:00 roce enable ipsec_crypto disable
$ devlink port function set pci/0000:06:00.0/1 ipsec_crypto enable
$ devlink port show pci/0000:06:00.0/1
pci/0000:06:00.0/1: type eth netdev enp6s0pf0vf0 flavour pcivf pfnum 0 vfnum 0
function:
hw_addr 00:00:00:00:00:00 roce enable ipsec_crypto enable
Signed-off-by: Dima Chumak <dchumak@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230825062836.103744-2-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2023-08-25
We've added 87 non-merge commits during the last 8 day(s) which contain
a total of 104 files changed, 3719 insertions(+), 4212 deletions(-).
The main changes are:
1) Add multi uprobe BPF links for attaching multiple uprobes
and usdt probes, which is significantly faster and saves extra fds,
from Jiri Olsa.
2) Add support BPF cpu v4 instructions for arm64 JIT compiler,
from Xu Kuohai.
3) Add support BPF cpu v4 instructions for riscv64 JIT compiler,
from Pu Lehui.
4) Fix LWT BPF xmit hooks wrt their return values where propagating
the result from skb_do_redirect() would trigger a use-after-free,
from Yan Zhai.
5) Fix a BPF verifier issue related to bpf_kptr_xchg() with local kptr
where the map's value kptr type and locally allocated obj type
mismatch, from Yonghong Song.
6) Fix BPF verifier's check_func_arg_reg_off() function wrt graph
root/node which bypassed reg->off == 0 enforcement,
from Kumar Kartikeya Dwivedi.
7) Lift BPF verifier restriction in networking BPF programs to treat
comparison of packet pointers not as a pointer leak,
from Yafang Shao.
8) Remove unmaintained XDP BPF samples as they are maintained
in xdp-tools repository out of tree, from Toke Høiland-Jørgensen.
9) Batch of fixes for the tracing programs from BPF samples in order
to make them more libbpf-aware, from Daniel T. Lee.
10) Fix a libbpf signedness determination bug in the CO-RE relocation
handling logic, from Andrii Nakryiko.
11) Extend libbpf to support CO-RE kfunc relocations. Also follow-up
fixes for bpf_refcount shared ownership implementation,
both from Dave Marchevsky.
12) Add a new bpf_object__unpin() API function to libbpf,
from Daniel Xu.
13) Fix a memory leak in libbpf to also free btf_vmlinux
when the bpf_object gets closed, from Hao Luo.
14) Small error output improvements to test_bpf module, from Helge Deller.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (87 commits)
selftests/bpf: Add tests for rbtree API interaction in sleepable progs
bpf: Allow bpf_spin_{lock,unlock} in sleepable progs
bpf: Consider non-owning refs to refcounted nodes RCU protected
bpf: Reenable bpf_refcount_acquire
bpf: Use bpf_mem_free_rcu when bpf_obj_dropping refcounted nodes
bpf: Consider non-owning refs trusted
bpf: Ensure kptr_struct_meta is non-NULL for collection insert and refcount_acquire
selftests/bpf: Enable cpu v4 tests for RV64
riscv, bpf: Support unconditional bswap insn
riscv, bpf: Support signed div/mod insns
riscv, bpf: Support 32-bit offset jmp insn
riscv, bpf: Support sign-extension mov insns
riscv, bpf: Support sign-extension load insns
riscv, bpf: Fix missing exception handling and redundant zext for LDX_B/H/W
samples/bpf: Add note to README about the XDP utilities moved to xdp-tools
samples/bpf: Cleanup .gitignore
samples/bpf: Remove the xdp_sample_pkts utility
samples/bpf: Remove the xdp1 and xdp2 utilities
samples/bpf: Remove the xdp_rxq_info utility
samples/bpf: Remove the xdp_redirect* utilities
...
====================
Link: https://lore.kernel.org/r/20230825194319.12727-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The second pull request for v6.6, this time with both stack and driver
changes. Unusually we have only one major new feature but lots of
small cleanup all over, I guess this is due to people have been on
vacation the last month.
Major changes:
rtw89
* Introduce Time Averaged SAR (TAS) support
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Merge tag 'wireless-next-2023-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.6
The second pull request for v6.6, this time with both stack and driver
changes. Unusually we have only one major new feature but lots of
small cleanup all over, I guess this is due to people have been on
vacation the last month.
Major changes:
rtw89
- Introduce Time Averaged SAR (TAS) support
* tag 'wireless-next-2023-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (114 commits)
wifi: rtlwifi: rtl8723: Remove unused function rtl8723_cmd_send_packet()
wifi: rtw88: usb: kill and free rx urbs on probe failure
wifi: rtw89: Fix clang -Wimplicit-fallthrough in rtw89_query_sar()
wifi: rtw89: phy: modify register setting of ENV_MNTR, PHYSTS and DIG
wifi: rtw89: phy: add phy_gen_def::cr_base to support WiFi 7 chips
wifi: rtw89: mac: define register address of rx_filter to generalize code
wifi: rtw89: mac: define internal memory address for WiFi 7 chip
wifi: rtw89: mac: generalize code to indirectly access WiFi internal memory
wifi: rtw89: mac: add mac_gen_def::band1_offset to map MAC band1 register address
wifi: wlcore: sdio: Use module_sdio_driver macro to simplify the code
wifi: rtw89: initialize multi-channel handling
wifi: rtw89: provide functions to configure NoA for beacon update
wifi: rtw89: call rtw89_chan_get() by vif chanctx if aware of vif
wifi: rtw89: sar: let caller decide the center frequency to query
wifi: rtw89: refine rtw89_correct_cck_chan() by rtw89_hw_to_nl80211_band()
wifi: rtw89: add function prototype for coex request duration
Fix nomenclature for USB and PCI wireless devices
wifi: ath: Use is_multicast_ether_addr() to check multicast Ether address
wifi: ath12k: Remove unused declarations
wifi: ath12k: add check max message length while scanning with extraie
...
====================
Link: https://lore.kernel.org/r/20230825132230.A0833C433C8@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In the case of a Periodic Synchronized Receiver,
the PA report received from a Broadcaster contains the BASE,
which has information about codec and other parameters of a BIG.
This isnformation is stored and the application can retrieve it
using getsockopt(BT_ISO_BASE).
Signed-off-by: Claudia Draghicescu <claudia.rosu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Not calling hci_(dis)connect_cfm before deleting conn referred to by a
socket generally results to use-after-free.
When cleaning up SCO connections when the parent ACL is deleted too
early, use hci_conn_failed to do the connection cleanup properly.
We also need to clean up ISO connections in a similar situation when
connecting has started but LE Create CIS is not yet sent, so do it too
here.
Fixes: ca1fd42e7dbf ("Bluetooth: Fix potential double free caused by hci_conn_unlink")
Reported-by: syzbot+cf54c1da6574b6c1b049@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-bluetooth/00000000000013b93805fbbadc50@google.com/
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
There a few instances still using HCI_MAX_AD_LENGTH instead of using
max_adv_len which takes care of detecting what is the actual maximum
length depending on if the controller supports EA or not.
Fixes: 112b5090c219 ("Bluetooth: MGMT: Fix always using HCI_MAX_AD_LENGTH")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit implements defer setup support for the Broadcast Sink
scenario: By setting defer setup on a broadcast socket before calling
listen, the user is able to trigger the PA sync and BIG sync procedures
separately.
This is useful if the user first wants to synchronize to the periodic
advertising transmitted by a Broadcast Source, and trigger the BIG sync
procedure later on.
If defer setup is set, once a PA sync established event arrives, a new
hcon is created and notified to the ISO layer. A child socket associated
with the PA sync connection will be added to the accept queue of the
listening socket.
Once the accept call returns the fd for the PA sync child socket, the
user should call read on that fd. This will trigger the BIG create sync
procedure, and the PA sync socket will become a listening socket itself.
When the BIG sync established event is notified to the ISO layer, the
bis connections will be added to the accept queue of the PA sync parent.
The user should call accept on the PA sync socket to get the final bis
connections.
Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fixes sending BT_HCI_CMD_LE_CREATE_CONN_CANCEL when
hci_le_create_conn_sync has not been called because HCI_CONN_SCANNING
has been clear too early before its cmd_sync callback has been run.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Use-after-free can occur in hci_disconnect_all_sync if a connection is
deleted by concurrent processing of a controller event.
To prevent this the code now tries to iterate over the list backwards
to ensure the links are cleanup before its parents, also it no longer
relies on a cursor, instead it always uses the last element since
hci_abort_conn_sync is guaranteed to call hci_conn_del.
UAF crash log:
==================================================================
BUG: KASAN: slab-use-after-free in hci_set_powered_sync
(net/bluetooth/hci_sync.c:5424) [bluetooth]
Read of size 8 at addr ffff888009d9c000 by task kworker/u9:0/124
CPU: 0 PID: 124 Comm: kworker/u9:0 Tainted: G W
6.5.0-rc1+ #10
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
1.16.2-1.fc38 04/01/2014
Workqueue: hci0 hci_cmd_sync_work [bluetooth]
Call Trace:
<TASK>
dump_stack_lvl+0x5b/0x90
print_report+0xcf/0x670
? __virt_addr_valid+0xdd/0x160
? hci_set_powered_sync+0x2c9/0x4a0 [bluetooth]
kasan_report+0xa6/0xe0
? hci_set_powered_sync+0x2c9/0x4a0 [bluetooth]
? __pfx_set_powered_sync+0x10/0x10 [bluetooth]
hci_set_powered_sync+0x2c9/0x4a0 [bluetooth]
? __pfx_hci_set_powered_sync+0x10/0x10 [bluetooth]
? __pfx_lock_release+0x10/0x10
? __pfx_set_powered_sync+0x10/0x10 [bluetooth]
hci_cmd_sync_work+0x137/0x220 [bluetooth]
process_one_work+0x526/0x9d0
? __pfx_process_one_work+0x10/0x10
? __pfx_do_raw_spin_lock+0x10/0x10
? mark_held_locks+0x1a/0x90
worker_thread+0x92/0x630
? __pfx_worker_thread+0x10/0x10
kthread+0x196/0x1e0
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2c/0x50
</TASK>
Allocated by task 1782:
kasan_save_stack+0x33/0x60
kasan_set_track+0x25/0x30
__kasan_kmalloc+0x8f/0xa0
hci_conn_add+0xa5/0xa80 [bluetooth]
hci_bind_cis+0x881/0x9b0 [bluetooth]
iso_connect_cis+0x121/0x520 [bluetooth]
iso_sock_connect+0x3f6/0x790 [bluetooth]
__sys_connect+0x109/0x130
__x64_sys_connect+0x40/0x50
do_syscall_64+0x60/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Freed by task 695:
kasan_save_stack+0x33/0x60
kasan_set_track+0x25/0x30
kasan_save_free_info+0x2b/0x50
__kasan_slab_free+0x10a/0x180
__kmem_cache_free+0x14d/0x2e0
device_release+0x5d/0xf0
kobject_put+0xdf/0x270
hci_disconn_complete_evt+0x274/0x3a0 [bluetooth]
hci_event_packet+0x579/0x7e0 [bluetooth]
hci_rx_work+0x287/0xaa0 [bluetooth]
process_one_work+0x526/0x9d0
worker_thread+0x92/0x630
kthread+0x196/0x1e0
ret_from_fork+0x2c/0x50
==================================================================
Fixes: 182ee45da083 ("Bluetooth: hci_sync: Rework hci_suspend_notifier")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Remove the necessity to modify skb_ext_total_length() when new extension
types are added.
Also reduces the line count a bit.
With optimizations enabled the function is folded down to the same
constant value as before during compilation.
This has been validated on x86 with GCC 6.5.0 and 13.2.1.
Also a similar construct has been validated on godbolt.org with GCC 5.1.
In any case the compiler has to be able to evaluate the construct at
compile-time for the BUILD_BUG_ON() in skb_extensions_init().
Even if not evaluated at compile-time this function would only ever
be executed once at run-time, so the overhead would be very minuscule.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230823-skb_ext-simplify-v2-1-66e26cd66860@weissschuh.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
and netfilter
Fixes to fixes:
- nf_tables:
- GC transaction race with abort path
- defer gc run if previous batch is still pending
Previous releases - regressions:
- ipv4: fix data-races around inet->inet_id
- phy: fix deadlocking in phy_error() invocation
- mdio: fix C45 read/write protocol
- ipvlan: fix a reference count leak warning in ipvlan_ns_exit()
- ice: fix NULL pointer deref during VF reset
- i40e: fix potential NULL pointer dereferencing of pf->vf i40e_sync_vsi_filters()
- tg3: use slab_build_skb() when needed
- mtk_eth_soc: fix NULL pointer on hw reset
Previous releases - always broken:
- core: validate veth and vxcan peer ifindexes
- sched: fix a qdisc modification with ambiguous command request
- devlink: add missing unregister linecard notification
- wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning
- batman:
- do not get eth header before batadv_check_management_packet
- fix batadv_v_ogm_aggr_send memory leak
- bonding: fix macvlan over alb bond support
- mlxsw: set time stamp fields also when its type is MIRROR_UTC
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wifi, can and netfilter.
Fixes to fixes:
- nf_tables:
- GC transaction race with abort path
- defer gc run if previous batch is still pending
Previous releases - regressions:
- ipv4: fix data-races around inet->inet_id
- phy: fix deadlocking in phy_error() invocation
- mdio: fix C45 read/write protocol
- ipvlan: fix a reference count leak warning in ipvlan_ns_exit()
- ice: fix NULL pointer deref during VF reset
- i40e: fix potential NULL pointer dereferencing of pf->vf in
i40e_sync_vsi_filters()
- tg3: use slab_build_skb() when needed
- mtk_eth_soc: fix NULL pointer on hw reset
Previous releases - always broken:
- core: validate veth and vxcan peer ifindexes
- sched: fix a qdisc modification with ambiguous command request
- devlink: add missing unregister linecard notification
- wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning
- batman:
- do not get eth header before batadv_check_management_packet
- fix batadv_v_ogm_aggr_send memory leak
- bonding: fix macvlan over alb bond support
- mlxsw: set time stamp fields also when its type is MIRROR_UTC"
* tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
selftests: bonding: add macvlan over bond testing
selftest: bond: add new topo bond_topo_2d1c.sh
bonding: fix macvlan over alb bond support
rtnetlink: Reject negative ifindexes in RTM_NEWLINK
netfilter: nf_tables: defer gc run if previous batch is still pending
netfilter: nf_tables: fix out of memory error handling
netfilter: nf_tables: use correct lock to protect gc_list
netfilter: nf_tables: GC transaction race with abort path
netfilter: nf_tables: flush pending destroy work before netlink notifier
netfilter: nf_tables: validate all pending tables
ibmveth: Use dcbf rather than dcbfl
i40e: fix potential NULL pointer dereferencing of pf->vf i40e_sync_vsi_filters()
net/sched: fix a qdisc modification with ambiguous command request
igc: Fix the typo in the PTM Control macro
batman-adv: Hold rtnl lock during MTU update via netlink
igb: Avoid starting unnecessary workqueues
can: raw: add missing refcount for memory leak fix
can: isotp: fix support for transmission of SF without flow control
bnx2x: new flag for track HW resource allocation
sfc: allocate a big enough SKB for loopback selftest packet
...
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Merge tag 'nf-23-08-23' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter updates for net
This PR contains nf_tables updates for your *net* tree.
First patch fixes table validation, I broke this in 6.4 when tracking
validation state per table, reported by Pablo, fixup from myself.
Second patch makes sure objects waiting for memory release have been
released, this was broken in 6.1, patch from Pablo Neira Ayuso.
Patch three is a fix-for-fix from previous PR: In case a transaction
gets aborted, gc sequence counter needs to be incremented so pending
gc requests are invalidated, from Pablo.
Same for patch 4: gc list needs to use gc list lock, not destroy lock,
also from Pablo.
Patch 5 fixes a UaF in a set backend, but this should only occur when
failslab is enabled for GFP_KERNEL allocations, broken since feature
was added in 5.6, from myself.
Patch 6 fixes a double-free bug that was also added via previous PR:
We must not schedule gc work if the previous batch is still queued.
netfilter pull request 2023-08-23
* tag 'nf-23-08-23' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: defer gc run if previous batch is still pending
netfilter: nf_tables: fix out of memory error handling
netfilter: nf_tables: use correct lock to protect gc_list
netfilter: nf_tables: GC transaction race with abort path
netfilter: nf_tables: flush pending destroy work before netlink notifier
netfilter: nf_tables: validate all pending tables
====================
Link: https://lore.kernel.org/r/20230823152711.15279-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The header file crypto/algapi.h is for internal use only. Use the
header file crypto/utils.h instead.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/r/E1qYlA0-006vFr-Ts@formenos.hmeau.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Don't queue more gc work, else we may queue the same elements multiple
times.
If an element is flagged as dead, this can mean that either the previous
gc request was invalidated/discarded by a transaction or that the previous
request is still pending in the system work queue.
The latter will happen if the gc interval is set to a very low value,
e.g. 1ms, and system work queue is backlogged.
The sets refcount is 1 if no previous gc requeusts are queued, so add
a helper for this and skip gc run if old requests are pending.
Add a helper for this and skip the gc run in this case.
Fixes: f6c383b8c31a ("netfilter: nf_tables: adapt set backend to use GC transaction API")
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org>
Several instances of pipapo_resize() don't propagate allocation failures,
this causes a crash when fault injection is enabled for gfp_kernel slabs.
Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges")
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Use nf_tables_gc_list_lock spinlock, not nf_tables_destroy_list_lock to
protect the gc list.
Fixes: 5f68718b34a5 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Abort path is missing a synchronization point with GC transactions. Add
GC sequence number hence any GC transaction losing race will be
discarded.
Fixes: 5f68718b34a5 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Destroy work waits for the RCU grace period then it releases the objects
with no mutex held. All releases objects follow this path for
transactions, therefore, order is guaranteed and references to top-level
objects in the hierarchy remain valid.
However, netlink notifier might interfer with pending destroy work.
rcu_barrier() is not correct because objects are not release via RCU
callback. Flush destroy work before releasing objects from netlink
notifier path.
Fixes: d4bc8271db21 ("netfilter: nf_tables: netlink notifier might race to release objects")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
We have to validate all tables in the transaction that are in
VALIDATE_DO state, the blamed commit below did not move the break
statement to its right location so we only validate one table.
Moreover, we can't init table->validate to _SKIP when a table object
is allocated.
If we do, then if a transcaction creates a new table and then
fails the transaction, nfnetlink will loop and nft will hang until
user cancels the command.
Add back the pernet state as a place to stash the last state encountered.
This is either _DO (we hit an error during commit validation) or _SKIP
(transaction passed all checks).
Fixes: 00c320f9b755 ("netfilter: nf_tables: make validation state per table")
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
When replacing an existing root qdisc, with one that is of the same kind, the
request boils down to essentially a parameterization change i.e not one that
requires allocation and grafting of a new qdisc. syzbot was able to create a
scenario which resulted in a taprio qdisc replacing an existing taprio qdisc
with a combination of NLM_F_CREATE, NLM_F_REPLACE and NLM_F_EXCL leading to
create and graft scenario.
The fix ensures that only when the qdisc kinds are different that we should
allow a create and graft, otherwise it goes into the "change" codepath.
While at it, fix the code and comments to improve readability.
While syzbot was able to create the issue, it did not zone on the root cause.
Analysis from Vladimir Oltean <vladimir.oltean@nxp.com> helped narrow it down.
v1->V2 changes:
- remove "inline" function definition (Vladmir)
- remove extrenous braces in branches (Vladmir)
- change inline function names (Pedro)
- Run tdc tests (Victor)
v2->v3 changes:
- dont break else/if (Simon)
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot+a3618a167af2021433cd@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/20230816225759.g25x76kmgzya2gei@skbuf/T/
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
BPF programs that run on connect can rewrite the connect address. For
the connect system call this isn't a problem, because a copy of the address
is made when it is moved into kernel space. However, kernel_connect
simply passes through the address it is given, so the caller may observe
its address value unexpectedly change.
A practical example where this is problematic is where NFS is combined
with a system such as Cilium which implements BPF-based load balancing.
A common pattern in software-defined storage systems is to have an NFS
mount that connects to a persistent virtual IP which in turn maps to an
ephemeral server IP. This is usually done to achieve high availability:
if your server goes down you can quickly spin up a replacement and remap
the virtual IP to that endpoint. With BPF-based load balancing, mounts
will forget the virtual IP address when the address rewrite occurs
because a pointer to the only copy of that address is passed down the
stack. Server failover then breaks, because clients have forgotten the
virtual IP address. Reconnects fail and mounts remain broken. This patch
was tested by setting up a scenario like this and ensuring that NFS
reconnects worked after applying the patch.
Signed-off-by: Jordan Rife <jrife@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'nf-next-23-08-22' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter updates for net-next
First patch resolves a fortify warning by wrapping the to-be-copied
members via struct_group.
Second patch replaces array[0] with array[] in ebtables uapi.
Both changes from GONG Ruiqi.
The largest chunk is replacement of strncpy with strscpy_pad()
in netfilter, from Justin Stitt.
Last patch, from myself, aborts ruleset validation if a fatal
signal is pending, this speeds up process exit.
* tag 'nf-next-23-08-22' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: nf_tables: allow loop termination for pending fatal signal
netfilter: xtables: refactor deprecated strncpy
netfilter: x_tables: refactor deprecated strncpy
netfilter: nft_meta: refactor deprecated strncpy
netfilter: nft_osf: refactor deprecated strncpy
netfilter: nf_tables: refactor deprecated strncpy
netfilter: nf_tables: refactor deprecated strncpy
netfilter: ipset: refactor deprecated strncpy
netfilter: ebtables: replace zero-length array members
netfilter: ebtables: fix fortify warnings in size_entry_mwt()
====================
Link: https://lore.kernel.org/r/20230822154336.12888-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch defines the default packet scheduler mptcp_sched_default.
Register it in mptcp_sched_init(), which is invoked in mptcp_proto_init().
Skip deleting this default scheduler in mptcp_unregister_scheduler().
Set msk->sched to the default scheduler when the input parameter of
mptcp_init_sched() is NULL.
Invoke mptcp_sched_default_get_subflow in get_send() and get_retrans()
if the defaut scheduler is set or msk->sched is NULL.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-10-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds the multiple subflows support for __mptcp_retrans(). Use
get_retrans() wrapper instead of mptcp_subflow_get_retrans() in it.
Check the subflow scheduled flags to test which subflow or subflows are
picked by the scheduler, use them to send data.
Move msk_owned_by_me() and fallback checks into get_retrans() wrapper
from mptcp_subflow_get_retrans().
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-9-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds the multiple subflows support for __mptcp_push_pending
and __mptcp_subflow_push_pending. Use get_send() wrapper instead of
mptcp_subflow_get_send() in them.
Check the subflow scheduled flags to test which subflow or subflows are
picked by the scheduler, use them to send data.
Move msk_owned_by_me() and fallback checks into get_send() wrapper from
mptcp_subflow_get_send().
This commit allows the scheduler to set the subflow->scheduled bit in
multiple subflows, but it does not allow for sending redundant data.
Multiple scheduled subflows will send sequential data on each subflow.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-8-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch defines two packet scheduler wrappers mptcp_sched_get_send()
and mptcp_sched_get_retrans(), invoke get_subflow() of msk->sched in
them.
Set data->reinject to true in mptcp_sched_get_retrans(), set it false in
mptcp_sched_get_send().
If msk->sched is NULL, use default functions mptcp_subflow_get_send()
and mptcp_subflow_get_retrans() to send data.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-7-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds a new member scheduled in struct mptcp_subflow_context,
which will be set in the MPTCP scheduler context when the scheduler
picks this subflow to send data.
Add a new helper mptcp_subflow_set_scheduled() to set this flag using
WRITE_ONCE().
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-6-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds a new struct member sched in struct mptcp_sock.
And two helpers mptcp_init_sched() and mptcp_release_sched() to
init and release it.
Init it with the sysctl scheduler in mptcp_init_sock(), copy the
scheduler from the parent in mptcp_sk_clone(), and release it in
__mptcp_destroy_sock().
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-5-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds a new sysctl, named scheduler, to support for selection
of different schedulers. Export mptcp_get_scheduler helper to get this
sysctl.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-4-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch defines struct mptcp_sched_ops, which has three struct members,
name, owner and list, and four function pointers: init(), release() and
get_subflow().
The scheduler function get_subflow() have a struct mptcp_sched_data
parameter, which contains a reinject flag for retrans or not, a subflows
number and a mptcp_subflow_context array.
Add the scheduler registering, unregistering and finding functions to add,
delete and find a packet scheduler on the global list mptcp_sched_list.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-3-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since the burst check conditions have moved out of the function
mptcp_subflow_get_send(), it makes all msk->last_snd useless.
This patch drops them as well as the macro MPTCP_RESET_SCHEDULER.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-2-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
To support redundant package schedulers more easily, this patch refactors
__mptcp_push_pending() logic from:
For each dfrag:
While sends succeed:
Call the scheduler (selects subflow and msk->snd_burst)
Update subflow locks (push/release/acquire as needed)
Send the dfrag data with mptcp_sendmsg_frag()
Update already_sent, snd_nxt, snd_burst
Update msk->first_pending
Push/release on final subflow
->
While first_pending isn't empty:
Call the scheduler (selects subflow and msk->snd_burst)
Update subflow locks (push/release/acquire as needed)
For each pending dfrag:
While sends succeed:
Send the dfrag data with mptcp_sendmsg_frag()
Update already_sent, snd_nxt, snd_burst
Update msk->first_pending
Break if required by msk->snd_burst / etc
Push/release on final subflow
Refactors __mptcp_subflow_push_pending logic from:
For each dfrag:
While sends succeed:
Call the scheduler (selects subflow and msk->snd_burst)
Send the dfrag data with mptcp_subflow_delegate(), break
Send the dfrag data with mptcp_sendmsg_frag()
Update dfrag->already_sent, msk->snd_nxt, msk->snd_burst
Update msk->first_pending
->
While first_pending isn't empty:
Call the scheduler (selects subflow and msk->snd_burst)
Send the dfrag data with mptcp_subflow_delegate(), break
Send the dfrag data with mptcp_sendmsg_frag()
For each pending dfrag:
While sends succeed:
Send the dfrag data with mptcp_sendmsg_frag()
Update already_sent, snd_nxt, snd_burst
Update msk->first_pending
Break if required by msk->snd_burst / etc
Move the duplicate code from __mptcp_push_pending() and
__mptcp_subflow_push_pending() into a new helper function, named
__subflow_push_pending(). Simplify __mptcp_push_pending() and
__mptcp_subflow_push_pending() by invoking this helper.
Also move the burst check conditions out of the function
mptcp_subflow_get_send(), check them in __subflow_push_pending() in
the inner "for each pending dfrag" loop.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-1-0c860fb256a8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The automatic recalculation of the maximum allowed MTU is usually triggered
by code sections which are already rtnl lock protected by callers outside
of batman-adv. But when the fragmentation setting is changed via
batman-adv's own batadv genl family, then the rtnl lock is not yet taken.
But dev_set_mtu requires that the caller holds the rtnl lock because it
uses netdevice notifiers. And this code will then fail the check for this
lock:
RTNL: assertion failed at net/core/dev.c (1953)
Cc: stable@vger.kernel.org
Reported-by: syzbot+f8812454d9b3ac00d282@syzkaller.appspotmail.com
Fixes: c6a953cce8d0 ("batman-adv: Trigger events for auto adjusted MTU")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821-batadv-missing-mtu-rtnl-lock-v1-1-1c5a7bfe861e@narfation.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit ee8b94c8510c ("can: raw: fix receiver memory leak") introduced
a new reference to the CAN netdevice that has assigned CAN filters.
But this new ro->dev reference did not maintain its own refcount which
lead to another KASAN use-after-free splat found by Eric Dumazet.
This patch ensures a proper refcount for the CAN nedevice.
Fixes: ee8b94c8510c ("can: raw: fix receiver memory leak")
Reported-by: Eric Dumazet <edumazet@google.com>
Cc: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20230821144547.6658-3-socketcan@hartkopp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The original implementation had a very simple handling for single frame
transmissions as it just sent the single frame without a timeout handling.
With the new echo frame handling the echo frame was also introduced for
single frames but the former exception ('simple without timers') has been
maintained by accident. This leads to a 1 second timeout when closing the
socket and to an -ECOMM error when CAN_ISOTP_WAIT_TX_DONE is selected.
As the echo handling is always active (also for single frames) remove the
wrong extra condition for single frames.
Fixes: 9f39d36530e5 ("can: isotp: add support for transmission without flow control")
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20230821144547.6658-2-socketcan@hartkopp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
nl80211_pmsr_dump_results() is never implemented since it was added in
commit 9bb7e0f24e7e ("cfg80211: add peer measurement with FTM initiator
API").
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230729121651.36836-1-yuehaibing@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit ccf80ddfe492 ("mac80211: mesh function and data structures
definitions") introducted this but never implemented it.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230731140712.1204-1-yuehaibing@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The previous commit dd3e4fc75b4a ("nl80211/cfg80211: add BSS color to
NDP ranging parameters") adds a parameter for NDP ranging by introducing
a new attribute type named NL80211_PMSR_FTM_REQ_ATTR_BSS_COLOR.
However, the author forgot to also describe the nla_policy at
nl80211_pmsr_ftm_req_attr_policy (net/wireless/nl80211.c). Just
complement it to avoid malformed attribute that causes out-of-attribute
access.
Fixes: dd3e4fc75b4a ("nl80211/cfg80211: add BSS color to NDP ranging parameters")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230809033151.768910-1-linma@zju.edu.cn
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Code inspection reveals that we switch the puncturing bitmap
before the real channel switch, since that happens only in
the second round of the worker after the channel context is
switched by ieee80211_link_use_reserved_context().
Fixes: 2cc25e4b2a04 ("wifi: mac80211: configure puncturing bitmap")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When probing a client, first check if we have it, and then
check for the channel context, otherwise you can trigger
the warning there easily by probing when the AP isn't even
started yet. Since a client existing means the AP is also
operating, we can then keep the warning.
Also simplify the moved code a bit.
Reported-by: syzbot+999fac712d84878a7379@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If there's no OCB state, don't ask the driver/mac80211 to
leave, since that's just confusing. Since set/clear the
chandef state, that's a simple check.
Reported-by: syzbot+09d1cd2f71e6dd3bfd2c@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the AP uses our own address as its MLD address or BSSID, then
clearly something's wrong. Reject such connections so we don't
try and fail later.
Reported-by: syzbot+2676771ed06a6df166ad@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* reorder buffer filter checks can cause bad shift/UBSAN
warning with newer HW, avoid the check (mac80211)
* add Kconfig dependency for iwlwifi for PTP clock usage
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Merge tag 'wireless-2023-08-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Two fixes:
- reorder buffer filter checks can cause bad shift/UBSAN
warning with newer HW, avoid the check (mac80211)
- add Kconfig dependency for iwlwifi for PTP clock usage
* tag 'wireless-2023-08-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning
wifi: iwlwifi: mvm: add dependency for PTP clock
====================
Link: https://lore.kernel.org/r/20230822124206.43926-2-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Highlights include:
Stable fixes
- NFS: Fix a use after free in nfs_direct_join_group()
Bugfixes
- NFS: Fix a sysfs server name memory leak
- NFS: Fix a lock recovery hang in NFSv4.0
- NFS: Fix page free in the error path for nfs42_proc_getxattr
- NFS: Fix page free in the error path for __nfs4_get_acl_uncached
- SUNRPC/rdma: Fix receive buffer dma-mapping after a server disconnect
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Merge tag 'nfs-for-6.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
- fix a use after free in nfs_direct_join_group() (Cc: stable)
- fix sysfs server name memory leak
- fix lock recovery hang in NFSv4.0
- fix page free in the error path for nfs42_proc_getxattr() and
__nfs4_get_acl_uncached()
- SUNRPC/rdma: fix receive buffer dma-mapping after a server disconnect
* tag 'nfs-for-6.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
xprtrdma: Remap Receive buffers after a reconnect
NFSv4: fix out path in __nfs4_get_acl_uncached
NFSv4.2: fix error handling in nfs42_proc_getxattr
NFS: Fix sysfs server name memory leak
NFS: Fix a use after free in nfs_direct_join_group()
NFSv4: Fix dropped lock for racing OPEN and delegation return
abort early so task can exit faster if a fatal signal is pending,
no need to continue validation in that case.
Signed-off-by: Florian Westphal <fw@strlen.de>
