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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-11-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-10-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-9-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-8-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-7-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-6-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-5-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-4-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-3-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260721102600.523199-2-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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nft_payload_offload_mask() builds the offload match mask for a payload
expression that covers only part of a header field. For a partial IPv6
address match (field_len = 16, priv_len = 1) that shift is 1 << 120, which
is undefined on the 32-bit int operand. It also trims only one word, so
the remaining words stay 0xffffffff (and when priv_len is a multiple of 4
the trim is skipped entirely), leaving the mask covering more bytes than
the rule matches.
UBSAN: shift-out-of-bounds in net/netfilter/nft_payload.c:278:20
shift exponent 120 is too large for 32-bit type 'int'
...
The match is byte-granular and struct nft_data is zero-initialised, so the
correct mask is simply the first priv_len bytes set to 0xff. Set those
bytes directly and drop the word/shift trimming; this removes the undefined
shift and no longer over-masks the trailing bytes.
Fixes: a5d45bc0dc50 ("netfilter: nftables_offload: build mask based from the matching bytes")
Reported-by: AutonomousCodeSecurity@microsoft.com
Signed-off-by: Xiang Mei (Microsoft) <xmei5@asu.edu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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mctp_device_init() handles errors from rtnl_af_register() and
rtnl_register_many(), but ignores the return value of
register_netdevice_notifier(). If notifier registration fails, init can
still return success while the module is only partially initialized.
Check the notifier registration error and fail module init early.
Fixes: 583be982d934 ("mctp: Add device handling and netlink interface")
Signed-off-by: Minhong He <heminhong@kylinos.cn>
Link: https://patch.msgid.link/20260720072518.112614-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sashiko warns that cp->flags should be changed under cp->lock
Fixes: 35dfb013149f ("ipvs: queue delayed work to expire no destination connections if expire_nodest_conn=1")
Fixes: f0a5e4d7a594 ("ipvs: allow connection reuse for unconfirmed conntrack")
Link: https://sashiko.dev/#/patchset/CALMqdkR704S2BG_QD_bgHTFp2%2B1QCi7n0T4zoZyTo8mDZevYSA%40mail.gmail.com
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The NETC timer does not support function level reset, so TMR_OFF_L/H
registers are not cleared by pcie_flr(). If TMR_OFF was set to a
non-zero value in a previous binding, it will persist across driver
rebind and cause inaccurate PTP time.
There is also a hardware issue: after a warm reset or soft reset,
TMR_OFF_L/H registers appear to be cleared to zero, but the timer clock
domain internally retains the stale value. When the timer is re-enabled,
TMR_CUR_TIME continues to track the old offset until TMR_OFF is written
explicitly. This can cause incorrect PTP timestamps and even PTP clock
synchronization failures.
Per the recommendation from the IP team, explicitly write 0 to TMR_OFF
in netc_timer_init() to flush the internally cached value and ensure
TMR_CUR_TIME follows the freshly initialized counter.
Fixes: 87a201d59963 ("ptp: netc: add NETC V4 Timer PTP driver support")
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20260720012508.23227-1-wei.fang@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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rds_tcp_exit_net() frees the per-netns RDS TCP listen socket via
rds_tcp_kill_sock() before unregistering the per-netns sysctl table. Since
rds_tcp_skbuf_handler() derives the netns from
rtn->rds_tcp_listen_sock->sk, a concurrent sysctl write can race with
netns teardown and dereference the freed socket/sk.
KASAN reports the race as:
BUG: KASAN: slab-use-after-free in rds_tcp_skbuf_handler+0x2aa/0x2e0
rds_tcp_skbuf_handler net/rds/tcp.c:721
proc_sys_call_handler fs/proc/proc_sysctl.c
vfs_write fs/read_write.c
__x64_sys_pwrite64 fs/read_write.c
Fix this by unregistering the RDS TCP sysctl table before calling
rds_tcp_kill_sock(). unregister_net_sysctl_table() prevents new sysctl
handlers from starting and waits for in-flight handlers to finish, so
the listen socket can then be released safely. The fix was tested
against the linked reproducer.
Fixes: 7f5611cbc487 ("rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy")
Reported-by: AutonomousCodeSecurity@microsoft.com
Link: https://lore.kernel.org/all/20260719203718.9680-1-blbllhy@gmail.com
Reviewed-by: Allison Henderson <achender@kernel.org>
Signed-off-by: Cen Zhang (Microsoft) <blbllhy@gmail.com>
Link: https://patch.msgid.link/20260719210357.10179-1-blbllhy@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since the call to __ip6_del_rt_siblings has been converted under
rcu read lock and it only has one call point
we should no longer block or yield.
Our stack trace from the syzbot reproducer looks as follows:
__ip6_del_rt_siblings
rtnl_notify (Here we pass gfp_any() -> GFP_KERNEL)
nlmsg_notify
nlmsg_multicast
nlmsg_multicast_filtered
netlink_broadcast_filtered (GFP_KERNEL passed from earlier)
netlink_broadcast_filtered can yield if GFP_KERNEL
is passed, which we do not want to happen.
Fix this by changing the allocation flag of rtnl_notify.
Also change the flag passed to nlmsg_new. Even though it
is not related to the syzbot generated bug it still falls
under the same requirements.
Reported-by: syzbot+84d4a405ed798b40c96d@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=84d4a405ed798b40c96d
Fixes: bd11ff421d36 ("ipv6: Get rid of RTNL for SIOCDELRT and RTM_DELROUTE.")
Signed-off-by: Nikola Z. Ivanov <zlatistiv@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260719105759.558050-1-zlatistiv@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sashiko warns that ip_vs_nat_icmp() unconditionally mangles the
payload for embedded non-first IPv4 fragments. The problem is
in the very old inverted pp->dont_defrag check which should not
continue when embedded is a non-first TCP/UDP/SCTP fragment.
Check for embedded non-first fragment is also missing from
ip_vs_out_icmp_v6(), it is needed before any connection
lookups that expect ports after the network headers.
Drop the blocking code from ip_vs_in_icmp_v6() which prevents
ICMPv6 from local clients to use non-MASQ forwarding.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Link: https://sashiko.dev/#/patchset/20260720201122.79882-1-ja%40ssi.bg
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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sl_realloc_bufs() replaces rbuff and updates buffsize while holding
sl->lock. slip_receive_buf() reads those fields and writes through rbuff
without holding the lock.
An MTU change can therefore race with receive processing. An MTU shrink
can expose the new smaller rbuff with the old larger bound, causing an
out-of-bounds write. A receive callback which already loaded the old
rbuff can instead continue writing after that buffer has been freed.
Serialize receive processing with sl_realloc_bufs() by holding sl->lock
while consuming each receive batch.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Sungmin Kang <726ksm@gmail.com>
Link: https://patch.msgid.link/20260718073631.1674-1-726ksm@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The offsets we use to packet headers and payloads should be
based on skb->data. We even already respect non-zero
network offset in ip_vs_fill_iph_skb() but some places
do it wrongly and support only zero offset which is expected
for the IP layer where IPVS has hooks.
Change all places that instead of skb->data use offsets based
on the network header (skb_network_header, ip_hdr, etc) because
this doubles the network offset as noted by Sashiko.
For ip_vs_nat_icmp_v6() we can even rely on the IPv6 header
parsing done by the caller.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Link: https://sashiko.dev/#/patchset/20260710143733.29741-2-fw%40strlen.de
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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ip_vs_in_icmp_v6() is missing checksum validation for ICMPv6
packets from clients. In fact, as for TCP/UDP we should
validate the checksum for ICMP packets only when we
mangle the packets on MASQ or on reply for tunnel.
Also, Sashiko points out that handle_response_icmp() being
common for IPv4 and IPv6 is missing the pseudo-header
calculation while validating ICMPv6 messages from real
servers which is a problem if checksum is not validated
by the hardware.
Fix the problems by creating ip_vs_checksum_common_check()
helper and use it for TCP/UDP/ICMP both for IPv4 and IPv6.
Rely on the nf_checksum() for validating the ICMP messages
but use it also for TCP and UDP.
Use correct IP offset for IP_VS_DBG_RL_PKT for TCP/UDP/SCTP.
IPVS packets (TCP/UDP/SCTP/ICMP) do not need checksum
validation on LOCAL_OUT (local clients or local real
servers) and on FORWARD (traffic from servers on LAN).
Do it only on LOCAL_IN, in case nf_checksum() is not
called on PRE_ROUTING.
Also, ip_vs_checksum_complete() can be marked static.
Fixes: 2a3b791e6e11 ("IPVS: Add/adjust Netfilter hook functions and helpers for v6")
Link: https://sashiko.dev/#/patchset/20260708180315.77413-1-ja%40ssi.bg
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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cros_ec_check_features() does not return an error if the underlying
EC_CMD_GET_FEATURES command fails. Consequently, when the Fingerprint
device fails to respond, the probe function ignores the failure and falls
back to installing it as 'cros_ec' device instead of 'cros_fp'.
This leads to a sysfs duplicate filename collision later when the real
'cros_ec' device attempts to register:
cros-ec-spi spi5.0: EC failed to respond in time
cros-ec-dev.19.auto: cannot get EC features: -110
sysfs : cannot create duplicate filename '/class/chromeos/cros_ec'
: sysfs_do_create_link_sd+0x94/0xdc
: ec_device_probe+0x150/0x4f0
Fix this by explicitly calling the newly introduced cros_ec_read_features()
function. If the transfer fails, abort the broken device initialization.
Move the initialization of class_dev before this call to prevent a missing
release() callback warning on the error path.
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Link: https://patch.msgid.link/20260608211518.2214740-3-akuchynski@chromium.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Extract the EC feature-reading logic from cros_ec_check_features() into
cros_ec_read_features() helper function.
Currently, cros_ec_check_features() swallows command transfer errors. By
isolating the transaction logic into an explicit helper that returns the
actual transfer error code, subsequent callers (such as the cros_ec_dev
driver during device probing) can catch a read error.
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://patch.msgid.link/20260608211518.2214740-2-akuchynski@chromium.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Add support for the sun60i a733 CCU RTC.
Compared to the a523, this SoC has a different input oscillator divider
which auto-detects the oscillator rate and select a divider to provide
a fixed 32768Hz clock. It also provides several phy reference clocks
with dedicated clock gates.
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20260723-a733-rtc-v7-4-8fd68aab94ae@baylibre.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
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On the a733 the "osc24M-32k" clock has the same gate bits as the previously
supported SoC but a different divider implementation.
Instead of a fixed 750 divider, the divider is selected based on the
rate of the oscillator. It can be seen as a simple read-only divider.
On the A733 the gate and the divider are on different register which is
not supported by sunxi combined clocks. These element will be split on the
A733. Split them for the older SoC as well to keep on sharing the gate
definition.
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20260723-a733-rtc-v7-3-8fd68aab94ae@baylibre.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
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Add support for sunxi-ng read-only dividers. This will be
useful to the a733 oscillator detection logic.
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20260723-a733-rtc-v7-2-8fd68aab94ae@baylibre.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
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Applying the pre divider on the parent rate is wrong because, while
handling rate propagation through determine_rate(), the framework will
likely round the parent rate again while cycling through the possibilities,
throwing away the prediv applied. This means, the parent rate will then
be wrong when the prediv is unapplied from a parent rate on which it
was never applied to begin with.
The right way to do it is to unapply the prediv from the requested rate,
which is the wanted rate at the input on the clock element, and pass this
to framework to do its thing.
Change the determine rate mux helper in this way.
Fixes: 1c8d7af61b37 ("clk: sunxi-ng: convert from divider_round_rate_parent() to divider_determine_rate()")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20260723-a733-rtc-v7-1-8fd68aab94ae@baylibre.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
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The XT_HASHLIMIT_RATE_MATCH flag mode changes the semantics of the
dsthash_ent structure which represents an entry in the hashtable. There
is a union area which uses a different layout to express the rate match
mode.
Update .checkentry path to validate the XT_HASHLIMIT_RATE_MATCH mode
flag is requested by two or more different rules that refer to the same
hashtable. Otherwise, uninitialized access to the burst field in the
union is possible.
Reject the use of the XT_HASHLIMIT_RATE_MATCH mode flag if set on by
revision less than 3 too.
Fixes: bea74641e378 ("netfilter: xt_hashlimit: add rate match mode")
Reported-and-tested-by: Talha Berk Arslan <talha.anything.info@gmail.com>
Link: https://patch.msgid.link/20260721074629.668-1-talha.anything.info@gmail.com/
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2026-07-17 (ice, idpf) [part]
For ice:
Vincent Chen fixes issue preventing VF creation when switchdev is not
enabled in the configuration.
Marcin corrects iteration value for profile association that was
truncating profiles.
Karol bypasses, unnecessary, waiting on sideband queue PTP writes which
can cause failures with phc_ctl program.
Sergey adds READ_ONCE() to access of PHC time to prevent torn read on
32-bit systems.
Paul adds a check for uninitialized PTP state before attempting to
rebuild it and restricts check of TxTime to be for PF VSI only.
Alex adds bounds check on PTYPE to prevent possible out-of-bounds write.
For idpf:
Emil defers setting of adapter max_vports value to prevent inadvertent
use if interim allocation errors are encountered.
====================
Link: https://patch.msgid.link/20260717185340.3595286-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set adapter->max_vports only after successful allocation of vports, netdevs
and vport_config buffers. This fixes possible crashes on reset or rmmod,
following failed allocation on init
[ 305.981402] idpf 0000:83:00.0: enabling device (0100 -> 0102)
[ 305.994464] idpf 0000:83:00.0: Device HW Reset initiated
[ 320.416872] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 320.416918] #PF: supervisor read access in kernel mode
[ 320.416942] #PF: error_code(0x0000) - not-present page
[ 320.416963] PGD 2099657067 P4D 0
[ 320.416983] Oops: Oops: 0000 [#1] SMP NOPTI
...
[ 320.417093] RIP: 0010:idpf_remove+0x118/0x200 [idpf]
[ 320.417130] Code: 8b bb 98 09 00 00 e8 17 0f 5b e5 48 8b bb e8 08 00 00 e8 0b 0f 5b e5 66 83 bb 28 06 00 00 00 48 8b bb 20 06 00 00 74 49 31 ed <48> 8b 04 ef 48 85 c0 74 2f 48 8b 78 20 e8 66 58 91 e5 48 8b 83 20
[ 320.417183] RSP: 0018:ff7322212903fdb8 EFLAGS: 00010246
[ 320.417205] RAX: 0000000000000000 RBX: ff4463de40300000 RCX: ff7322212903fd4c
[ 320.417228] RDX: 0000000000000001 RSI: ffffffffa7f7d100 RDI: 0000000000000000
[ 320.417250] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 320.417272] R10: 0000000000000001 R11: ff4463de3a638f58 R12: ff4463be89ac7000
[ 320.417294] R13: ff4463be89ac7198 R14: ff4463be94fc7198 R15: ffffffffc0f10f20
[ 320.417317] FS: 00007f963c0e6740(0000) GS:ff4463fdd65d8000(0000) knlGS:0000000000000000
[ 320.417342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 320.417362] CR2: 0000000000000000 CR3: 00000020ba674002 CR4: 0000000000773ef0
[ 320.417385] PKRU: 55555554
[ 320.417398] Call Trace:
[ 320.417412] <TASK>
[ 320.417429] pci_device_remove+0x42/0xb0
[ 320.417459] device_release_driver_internal+0x1a9/0x210
[ 320.417492] driver_detach+0x4b/0x90
[ 320.417516] bus_remove_driver+0x70/0x100
[ 320.417539] pci_unregister_driver+0x2e/0xb0
[ 320.417564] __do_sys_delete_module.constprop.0+0x190/0x2f0
[ 320.417592] ? kmem_cache_free+0x31e/0x550
[ 320.417619] ? lockdep_hardirqs_on_prepare+0xde/0x190
[ 320.417644] ? do_syscall_64+0x38/0x6b0
[ 320.417665] do_syscall_64+0xc8/0x6b0
[ 320.417683] ? clear_bhb_loop+0x30/0x80
[ 320.417706] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 320.417727] RIP: 0033:0x7f963bb30beb
Fixes: 0fe45467a104 ("idpf: add create vport and netdev configuration")
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Samuel Salin <Samuel.salin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-13-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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set_bit(rslt->ptype, prof->ptypes) operates on a DECLARE_BITMAP of
ICE_FLOW_PTYPE_MAX (1024) bits. Nothing prevents a malicious VF from
providing ptype >= 1024 through VIRTCHNL, resulting in a write past
the end of the bitmap and a kernel page fault.
Reproduced with a custom kernel module injecting a crafted
VIRTCHNL_OP_ADD_RSS_CFG on E810-C QSFP (8086:1592),
FW 4.91 0x800214af 1.3909.0, ICE COMMS DDP 1.3.53.0,
kernel 7.1.0-rc1.
crash_parser: ice_parser_profile_init @ ffffffffc0d61b60
crash_parser: setting ptype=0xffff (max valid=1023)
crash_parser: calling ice_parser_profile_init -- expect OOB crash!
BUG: kernel NULL pointer dereference, address: 0000000000000000
Oops: Oops: 0002 [#1] SMP NOPTI
CPU: 56 UID: 0 PID: 165011 Comm: insmod Kdump: loaded Tainted: G S U OE 7.1.0-rc1 #1
Hardware name: Intel Corporation S2600BPB/S2600BPB
RIP: 0010:ice_parser_profile_init+0x2d/0x1d0 [ice]
Call Trace:
<TASK>
? __pfx_ice_parser_profile_init+0x10/0x10 [ice]
crash_init+0x127/0xff0 [crash_parser]
do_one_initcall+0x45/0x310
do_init_module+0x64/0x270
init_module_from_file+0xcc/0xf0
idempotent_init_module+0x17b/0x280
__x64_sys_finit_module+0x6e/0xe0
Bail out early with -EINVAL when ptype is out of range.
Fixes: e312b3a1e209 ("ice: add API for parser profile initialization")
Cc: stable@vger.kernel.org
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-12-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The pf->txtime_txqs bitmap tracks which Tx queues have ETF (Earliest
TxTime First) offload enabled. This bitmap is indexed by queue number
and is set by ice_offload_txtime(), which only operates on PF VSI
queues.
However, ice_is_txtime_ena() does not check the VSI type before
consulting the bitmap. When ETF offload is enabled on PF Tx queue 0,
bit 0 is set in pf->txtime_txqs. During a subsequent PCI reset
rebuild, the CTRL VSI's Tx queue 0 is reconfigured and
ice_is_txtime_ena() is called for that ring. Since it only checks
pf->txtime_txqs by queue index without distinguishing VSI type, it
finds bit 0 set and returns true, matching the PF VSI's ETF queue,
not the CTRL VSI's. This causes ice_vsi_cfg_txq() to spuriously
allocate a tstamp_ring for the CTRL VSI ring.
Since CTRL VSI rings have no associated netdev, ice_clean_tx_ring()
takes an early return at the !netdev check before reaching
ice_free_tx_tstamp_ring(), leaking the allocation. Each PCI reset
leaks one 64-byte tstamp_ring.
Fix this by restricting ice_is_txtime_ena() to return true only for
PF VSI rings, since txtime_txqs is only meaningful for PF VSI queues.
Fixes: ccde82e90946 ("ice: add E830 Earliest TxTime First Offload support")
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-11-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a PF reset occurs when the PTP state is ICE_PTP_UNINIT, then
ice_ptp_rebuild() will update the state to ICE_PTP_ERROR. This will
result in the following PTP release call trace during driver unload:
kernel BUG at lib/list_debug.c:52!
ice_ptp_release+0x332/0x3c0 [ice]
ice_deinit_features.part.0+0x10e/0x120 [ice]
ice_remove+0x100/0x220 [ice]
This was observed when passing PF1 through to a VM. ice_ptp_init()
fails because ctrl_pf is NULL and sets the state to ICE_PTP_UNINIT.
Fix by detecting the ICE_PTP_UNINIT state in ice_ptp_rebuild() and
returning without error, preventing the invalid state transition to
ICE_PTP_ERROR. The only valid path to ICE_PTP_ERROR is from
ICE_PTP_RESETTING after a failed rebuild.
Fixes: 8293e4cb2ff5 ("ice: introduce PTP state machine")
Cc: stable@vger.kernel.org
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-10-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ptp.cached_phc_time is a 64-bit value updated by a periodic work item
on one CPU and read locklessly on another. On 32-bit or non-atomic
architectures this can result in a torn read. Use READ_ONCE() to
enforce a single atomic load.
Fixes: 77a781155a65 ("ice: enable receive hardware timestamping")
Cc: stable@vger.kernel.org
Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-9-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ice_init_lag() associates recipes to profiles, assuming that Link
Aggregation-related profiles will always have profile ID lower than 70
(ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER). This value seems arbitrary and
might not always be valid for some versions of DDP package, i.e. LAG
profiles may have profile ID greater than 70. This would lead to
misconfigured switch and LAG not working properly.
Fix it by checking up to maximum profile ID.
Fixes: 1e0f9881ef79 ("ice: Flesh out implementation of support for SRIOV on bonded interface")
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Dave Ertman <david.m.ertman@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-7-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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skb_checksum_help() can fail. Pass its return value back to the caller.
Commonize this software path in goto.
Instead of just returning error try calculating software checksum first.
There is a check for TSO in checksum_sw_fb.
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-4-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently ice_eswitch_attach_vf() is called unconditionally in
ice_start_vfs(), which causes VF creation to fail when CONFIG_ICE_SWITCHDEV
is not defined.
Fix this by adding switchdev mode checks at the call sites before
calling ice_eswitch_attach_vf(), consistent with how
ice_eswitch_attach_sf() is already handled in ice_devlink_port_new().
This is similar to commit aacca7a83b97 ("ice: allow creating VFs for
!CONFIG_NET_SWITCHDEV") which fixed the same issue for the previous
ice_eswitch_configure() API.
Fixes: 415db8399d06 ("ice: make representor code generic")
Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260717185340.3595286-2-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The nft_object rhltable is global, this allows for accessing objects
that are being dismangled from lookup path by other existing netns.
Given the nft_obj_destroy() releases the object inmediately, this might
lead to use-after-free of these objects that are being released.
Make the existing rhltable per table to address this issue to deal with
with the nft_rcv_nl_event() path too.
Update nft_obj_lookup() to take the table as non-const, otherwise,
compiler complains when passing the objname_ht to rhltable_lookup().
Fixes: 4d44175aa5bb ("netfilter: nf_tables: handle nft_object lookups via rhltable")
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Synced conns can be created with one forwarding method
and later updated with different one after the dest
server is configured. This needs adjusting the hashing
for node hn1 because only MASQ supports double hashing.
Modify conn_tab_lock() to support seeking for hash node
hn0 together with adding for hn1. By this way we can
safely modify the forwarding method and hn1.hash_key
under bucket lock for the first node hn0. The forwarding
method is also protected by cp->lock as it is part of
cp->flags.
Fix the usage of stale idx/idx2 values in conn_tab_lock
after jumping to the retry label. Instead, use idx/idx2
values just to order the locking for the old/new tables.
Reported-by: Zhiling Zou <roxy520tt@gmail.com>
Link: https://patch.msgid.link/1b914f41d725bc064c9ba9830dc8169329737270.1782540466.git.roxy520tt@gmail.com/
Link: https://sashiko.dev/#/patchset/CALMqdkR704S2BG_QD_bgHTFp2%2B1QCi7n0T4zoZyTo8mDZevYSA%40mail.gmail.com
Fixes: f20c73b0460d ("ipvs: use more keys for connection hashing")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Synced connections can be created before their destination exists. When
the destination is later added, ip_vs_bind_dest() copies connection flags
from the destination into cp->flags.
IP_VS_CONN_F_ONE_PACKET connections are not synced. If a synced
connection inherits IP_VS_CONN_F_ONE_PACKET while it is already hashed,
expiry can treat it as a one-packet connection and skip unlinking the
existing conn_tab node, leaving stale hash nodes pointing at a freed
struct ip_vs_conn.
Drop IP_VS_CONN_F_ONE_PACKET from destination flags when binding synced
connections.
Fixes: 26ec037f9841 ("IPVS: one-packet scheduling")
Cc: stable@vger.kernel.org
Reported-by: Yuan Tan <yuantan098@gmail.com>
Reported-by: Yifan Wu <yifanwucs@gmail.com>
Reported-by: Juefei Pu <tomapufckgml@gmail.com>
Reported-by: Xin Liu <bird@lzu.edu.cn>
Suggested-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Zhiling Zou <roxy520tt@gmail.com>
Signed-off-by: Ren Wei <n05ec@lzu.edu.cn>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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mtype_resize() copies comment pointers with memcpy(), not the comment
objects themselves. During the window after an entry has been copied but
before the table swap and backlog replay, the old table is still
published for packet-side updates while the replacement-table entry
already holds the same ip_set_comment_rcu pointer.
If xt_SET --add-set ... --exist hits that old entry in this window,
mtype_add() calls ip_set_init_comment() even though packet-side adds
carry no comment payload. That call frees the shared comment through the
old entry, so the replacement-table entry now holds a stale pointer.
When the queued add is replayed on the new table, mtype_add() calls
ip_set_init_comment() again and strlen() dereferences the stale pointer.
Fix this in mtype_add() by skipping ip_set_init_comment() when
ext->target marks a packet-side add. Userspace adds still update
comments, while packet-side adds can no longer free comment storage
shared with a resize copy.
Fixes: f66ee0410b1c ("netfilter: ipset: Fix "INFO: rcu detected stall in hash_xxx" reports")
Cc: stable@vger.kernel.org
Signed-off-by: David Lee <david.lee@trailofbits.com>
Assisted-by: Codex:gpt-5.5
Acked-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In raw6_icmp_error(), raw_v6_match() is called with inet6_iif(skb) passed
to both the 'dif' and 'sdif' arguments. This is a copy-paste or typo error,
as the last argument should represent the secondary interface index (sdif).
This mismatch breaks ICMPv6 error handling for IPv6 raw sockets in VRF
(Virtual Routing and Forwarding) environments. When a raw socket is bound
to a VRF master device, raw_v6_match() fails to find a match because it is
not given the correct sdif value, causing the socket to miss relevant
ICMPv6 error notifications.
Fix this by properly passing inet6_sdif(skb) as the last argument to
raw_v6_match().
Fixes: 5108ab4bf446fa ("net: ipv6: add second dif to raw socket lookups")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Joe Damato <joe@dama.to>
Link: https://patch.msgid.link/20260717143230.1836-1-lirongqing@baidu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The egress rate calculation computes an incorrect mantissa and exponent,
causing up to ~50% deviation from the configured rate at lower speeds.
Rework the computation to follow the hardware rate formula:
rate = 2 * (1 + mantissa/256) * 2^exp / (1 << div_exp)
Keep div_exp = 0 and derive exp and mantissa from half of the requested
rate. Rates below 2 Mbps are floored to the smallest encodable step
(exp = 0, mantissa = 0).
Fixes: e638a83f167e ("octeontx2-pf: TC_MATCHALL egress ratelimiting offload")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Nitin Shetty J <nshettyj@marvell.com>
Link: https://patch.msgid.link/20260717084349.2227796-1-nshettyj@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Yuxiang Yang says:
====================
tcp: validate RST sequence in SYN-RECEIVED
The SYN-RECEIVED request-socket path accepts any in-window RST and
removes the request, even when SEG.SEQ does not exactly match RCV.NXT.
RFC 9293 requires a challenge ACK for a non-exact in-window RST.
Patch 1 applies the RFC 5961 sequence check to request sockets and shares
the per-netns challenge ACK quota with the established-socket path.
Patch 2 adds a compact packetdrill regression test for exact, non-exact,
RST|ACK, and out-of-window cases.
The implementation was tested with a separate raw-socket A/B harness on
IPv4 and IPv6: the unpatched kernel passed 4/12 cases and the patched
kernel passed 12/12. The packetdrill test fails on the unpatched kernel
and passes on the patched kernel for IPv4, IPv6, and IPv4-mapped IPv6
under QEMU/TCG.
====================
Link: https://patch.msgid.link/20260717081443.809393-1-yangyx22@mails.tsinghua.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add packetdrill coverage for the RFC 9293 reset checks on request
sockets in SYN-RECEIVED. Verify that an exact RST removes the request,
a non-exact in-window RST sends a challenge ACK without removing it,
and an out-of-window RST is silently discarded.
Also cover an RST|ACK with an unacceptable ACK number to ensure RST
sequence validation runs before ACK-field validation.
Signed-off-by: Yuxiang Yang <yangyx22@mails.tsinghua.edu.cn>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260717081443.809393-3-yangyx22@mails.tsinghua.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The SYN-RECEIVED request-socket path in tcp_check_req() accepts an
in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A
non-exact RST therefore removes the request instead of eliciting a
challenge ACK.
RFC 9293 section 3.10.7.4 applies the RFC 5961 reset check in
SYN-RECEIVED: an exact RST resets the connection, while a non-exact
in-window RST must trigger a challenge ACK and be dropped.
Apply that check before the ACK-field validation, following the RFC
sequence-number, RST, then ACK processing order. Factor the per-netns
challenge ACK quota out of tcp_send_challenge_ack() so request sockets
can share it. Use the request socket's send_ack() callback and its own
out-of-window ACK timestamp to send and rate-limit the response.
Reported-by: Yuxiang Yang <yangyx22@mails.tsinghua.edu.cn>
Reported-by: Yizhou Zhao <zhaoyz24@mails.tsinghua.edu.cn>
Reported-by: Ao Wang <wangao@seu.edu.cn>
Reported-by: Xuewei Feng <fengxw06@126.com>
Reported-by: Qi Li <qli01@tsinghua.edu.cn>
Reported-by: Ke Xu <xuke@tsinghua.edu.cn>
Fixes: 282f23c6ee34 ("tcp: implement RFC 5961 3.2")
Cc: stable@vger.kernel.org
Signed-off-by: Yuxiang Yang <yangyx22@mails.tsinghua.edu.cn>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260717081443.809393-2-yangyx22@mails.tsinghua.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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uea_probe() distinguishes a pre-firmware device from a post-firmware one
using the USB id (UEA_IS_PREFIRM()), and stores a different object as the
interface data in each case: a 'struct completion' for a pre-firmware
device (to be waited on in .disconnect()), or a 'struct usbatm_data' for a
post-firmware one.
uea_disconnect() instead tells the two apart by the number of interfaces
of the active configuration (a pre-firmware device exposes a single
interface, ADI930 has 2 and eagle has 3), and casts the interface data
accordingly.
Because the two handlers use different criteria, a crafted device that
advertises a pre-firmware id together with a multi-interface descriptor
(or a post-firmware id with a single interface) makes them disagree: the
small 'struct completion' stored by uea_probe() is then passed to
usbatm_usb_disconnect(), which casts it to 'struct usbatm_data' and takes
instance->serialize, reading past the end of the allocation:
BUG: KASAN: slab-out-of-bounds in __mutex_lock+0x152a/0x1b80
Read of size 8 at addr ffff8880470e2c60 by task kworker/1:2/982
...
__mutex_lock+0x152a/0x1b80
usbatm_usb_disconnect+0x70/0x820
uea_disconnect+0x133/0x2c0
usb_unbind_interface+0x1dd/0x9e0
...
which belongs to the cache kmalloc-96 of size 96
The buggy address is located 0 bytes to the right of
allocated 96-byte region [ffff8880470e2c00, ffff8880470e2c60)
Reject such inconsistent descriptors in uea_probe() so that both handlers
always make the same pre/post-firmware decision.
Reported-by: syzbot+e62a973f8322b3bbe3ac@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=e62a973f8322b3bbe3ac
Fixes: e2674dfbed8a ("usb: atm: ueagle-atm: wait for pre-firmware load in .disconnect()")
Signed-off-by: Diego Fernando Mancera Gomez <diegomancera.dev@gmail.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Link: https://patch.msgid.link/20260717080704.1264-1-diegomancera.dev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tariq Toukan says:
====================
net/mlx5e: Report zero bandwidth for non-ETS traffic
The IEEE 802.1Qaz standard restricts bandwidth allocation percentages
to Enhanced Transmission Selection (ETS) traffic classes; STRICT,
VENDOR, and CB Shaper TSA types carry no bandwidth semantics. Two
problems exist in the mlx5e DCBNL ETS implementation: the get path
reports 100% bandwidth for all TCs regardless of TSA type due to a
hardware limitation, introduced by commit 820c2c5e773d ("net/mlx5e:
Read ETS settings directly from firmware"), and the set path does
not reject the unsupported CB Shaper TSA, introduced by commit
08fb1dacdd76 ("net/mlx5e: Support DCBNL IEEE ETS").
This series by Alexei Lazar fixes the get path to report zero
bandwidth for non-ETS traffic classes, and rejects CB Shaper TSA
configurations that the driver does not support.
====================
Link: https://patch.msgid.link/20260717075125.1244877-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
Credit Based (CB) TSA is not supported by the mlx5 driver, so reject
any configurations that specify it.
Fixes: 08fb1dacdd76 ("net/mlx5e: Support DCBNL IEEE ETS")
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://patch.msgid.link/20260717075125.1244877-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The IEEE 802.1Qaz standard defines that bandwidth allocation percentages
only apply to Enhanced Transmission Selection (ETS) traffic classes.
For STRICT and VENDOR transmission selection algorithms, bandwidth
percentage values are not applicable.
Currently for non-ETS 100 bandwidth is being reported for all traffic
classes in the get operation due to hardware limitation, regardless of
their TSA type.
Fix this by reporting 0 for non-ETS traffic classes.
Fixes: 820c2c5e773d ("net/mlx5e: Read ETS settings directly from firmware")
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://patch.msgid.link/20260717075125.1244877-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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assoc_array_walk() masks off the bits past shortcut->skip_to_level in the
word that contains skip_to_level, gated on
round_up(sc_level, ASSOC_ARRAY_KEY_CHUNK_SIZE) > skip_to_level.
That guard is wrong in two opposite ways:
- When sc_level is word-aligned (every word after the first) round_up()
is a no-op, so the guard is sc_level > skip_to_level and never fires for
the word that holds skip_to_level. A shortcut that spans more than one
word and ends in the middle of its last word leaves that word untrimmed,
and its stale high bits leak into the dissimilarity word and can steer
the walk down the wrong descendant.
- When sc_level is unaligned (the first word) and skip_to_level sits on
the next chunk boundary, sc_level + CHUNK would exceed skip_to_level and
fire the trim with shift = skip_to_level & CHUNK_MASK == 0, which clears
the whole dissimilarity word and makes a differing shortcut compare
equal.
Use the end of the chunk that contains sc_level instead:
skip_to_level < round_down(sc_level, CHUNK) + CHUNK
For an aligned sc_level whose word holds skip_to_level this now fires (the
first bug); for an unaligned sc_level with skip_to_level on the following
boundary it does not, so shift is never 0 when the branch runs and the trim
never clears the whole word.
Fixes: 3cb989501c26 ("Add a generic associative array implementation.")
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Michael Bommarito <michael.bommarito@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/r/20260719161505.2423935-4-michael.bommarito@gmail.com
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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