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This snippet will be necessary for a future isochron-based test, so
provide a simpler high-level interface for counting the received
packets.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250426144859.3128352-3-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplest setup to reproduce the issue: connect 2 ports of the
LS1028A-RDB together (eno0 with swp0) and run:
$ ip link set eno0 up && ip link set swp0 up
$ tc qdisc replace dev swp0 parent root handle 100 taprio num_tc 8 \
queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 map 0 1 2 3 4 5 6 7 \
base-time 0 sched-entry S 20 300000 sched-entry S 10 200000 \
sched-entry S 20 300000 sched-entry S 48 200000 \
sched-entry S 20 300000 sched-entry S 83 200000 \
sched-entry S 40 300000 sched-entry S 00 200000 flags 2
$ ptp4l -i eno0 -f /etc/linuxptp/configs/gPTP.cfg -m &
$ ptp4l -i swp0 -f /etc/linuxptp/configs/gPTP.cfg -m
One will observe that the PTP state machine on swp0 starts
synchronizing, then it attempts to do a clock step, and after that, it
never fails to recover from the condition below.
ptp4l[82.427]: selected best master clock 00049f.fffe.05f627
ptp4l[82.428]: port 1 (swp0): MASTER to UNCALIBRATED on RS_SLAVE
ptp4l[83.252]: port 1 (swp0): UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED
ptp4l[83.886]: rms 4537731277 max 9075462553 freq -18518 +/- 11467 delay 818 +/- 0
ptp4l[84.170]: timed out while polling for tx timestamp
ptp4l[84.171]: increasing tx_timestamp_timeout or increasing kworker priority may correct this issue, but a driver bug likely causes it
ptp4l[84.172]: port 1 (swp0): send peer delay request failed
ptp4l[84.173]: port 1 (swp0): clearing fault immediately
ptp4l[84.269]: port 1 (swp0): SLAVE to LISTENING on INIT_COMPLETE
ptp4l[85.303]: timed out while polling for tx timestamp
ptp4l[84.171]: increasing tx_timestamp_timeout or increasing kworker priority may correct this issue, but a driver bug likely causes it
ptp4l[84.172]: port 1 (swp0): send peer delay request failed
ptp4l[84.173]: port 1 (swp0): clearing fault immediately
ptp4l[84.269]: port 1 (swp0): SLAVE to LISTENING on INIT_COMPLETE
ptp4l[85.303]: timed out while polling for tx timestamp
ptp4l[85.304]: increasing tx_timestamp_timeout or increasing kworker priority may correct this issue, but a driver bug likely causes it
ptp4l[85.305]: port 1 (swp0): send peer delay response failed
ptp4l[85.306]: port 1 (swp0): clearing fault immediately
ptp4l[86.304]: timed out while polling for tx timestamp
A hint is given by the non-zero statistics for dropped packets which
were expecting hardware TX timestamps:
$ ethtool --include-statistics -T swp0
(...)
Statistics:
tx_pkts: 30
tx_lost: 11
tx_err: 0
We know that when PTP clock stepping takes place (from ocelot_ptp_settime64()
or from ocelot_ptp_adjtime()), vsc9959_tas_clock_adjust() is called.
Another interesting hint is that placing an early return in
vsc9959_tas_clock_adjust(), so as to neutralize this function, fixes the
issue and TX timestamps are no longer dropped.
The debugging function written by me and included below is intended to
read the GCL RAM, after the admin schedule became operational, through
the two status registers available for this purpose:
QSYS_GCL_STATUS_REG_1 and QSYS_GCL_STATUS_REG_2.
static void vsc9959_print_tas_gcl(struct ocelot *ocelot)
{
u32 val, list_length, interval, gate_state;
int i, err;
err = read_poll_timeout(ocelot_read, val,
!(val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING),
10, 100000, false, ocelot, QSYS_PARAM_STATUS_REG_8);
if (err) {
dev_err(ocelot->dev,
"Failed to wait for TAS config pending bit to clear: %pe\n",
ERR_PTR(err));
return;
}
val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_3);
list_length = QSYS_PARAM_STATUS_REG_3_LIST_LENGTH_X(val);
dev_info(ocelot->dev, "GCL length: %u\n", list_length);
for (i = 0; i < list_length; i++) {
ocelot_rmw(ocelot,
QSYS_GCL_STATUS_REG_1_GCL_ENTRY_NUM(i),
QSYS_GCL_STATUS_REG_1_GCL_ENTRY_NUM_M,
QSYS_GCL_STATUS_REG_1);
interval = ocelot_read(ocelot, QSYS_GCL_STATUS_REG_2);
val = ocelot_read(ocelot, QSYS_GCL_STATUS_REG_1);
gate_state = QSYS_GCL_STATUS_REG_1_GATE_STATE_X(val);
dev_info(ocelot->dev, "GCL entry %d: states 0x%x interval %u\n",
i, gate_state, interval);
}
}
Calling it from two places: after the initial QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE
performed by vsc9959_qos_port_tas_set(), and after the one done by
vsc9959_tas_clock_adjust(), I notice the following difference.
From the tc-taprio process context, where the schedule was initially
configured, the GCL looks like this:
mscc_felix 0000:00:00.5: GCL length: 8
mscc_felix 0000:00:00.5: GCL entry 0: states 0x20 interval 300000
mscc_felix 0000:00:00.5: GCL entry 1: states 0x10 interval 200000
mscc_felix 0000:00:00.5: GCL entry 2: states 0x20 interval 300000
mscc_felix 0000:00:00.5: GCL entry 3: states 0x48 interval 200000
mscc_felix 0000:00:00.5: GCL entry 4: states 0x20 interval 300000
mscc_felix 0000:00:00.5: GCL entry 5: states 0x83 interval 200000
mscc_felix 0000:00:00.5: GCL entry 6: states 0x40 interval 300000
mscc_felix 0000:00:00.5: GCL entry 7: states 0x0 interval 200000
But from the ptp4l clock stepping process context, when the
vsc9959_tas_clock_adjust() hook is called, the GCL RAM of the
operational schedule now looks like this:
mscc_felix 0000:00:00.5: GCL length: 8
mscc_felix 0000:00:00.5: GCL entry 0: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 1: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 2: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 3: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 4: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 5: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 6: states 0x0 interval 0
mscc_felix 0000:00:00.5: GCL entry 7: states 0x0 interval 0
I do not have a formal explanation, just experimental conclusions.
It appears that after triggering QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE
for a port's TAS, the GCL entry RAM is updated anyway, despite what the
documentation claims: "Specify the time interval in
QSYS::GCL_CFG_REG_2.TIME_INTERVAL. This triggers the actual RAM
write with the gate state and the time interval for the entry number
specified". We don't touch that register (through vsc9959_tas_gcl_set())
from vsc9959_tas_clock_adjust(), yet the GCL RAM is updated anyway.
It seems to be updated with effectively stale memory, which in my
testing can hold a variety of things, including even pieces of the
previously applied schedule, for particular schedule lengths.
As such, in most circumstances it is very difficult to pinpoint this
issue, because the newly updated schedule would "behave strangely",
but ultimately might still pass traffic to some extent, due to some
gate entries still being present in the stale GCL entry RAM. It is easy
to miss.
With the particular schedule given at the beginning, the GCL RAM
"happens" to be reproducibly rewritten with all zeroes, and this is
consistent with what we see: when the time-aware shaper has gate entries
with all gates closed, traffic is dropped on TX, no wonder we can't
retrieve TX timestamps.
Rewriting the GCL entry RAM when reapplying the new base time fixes the
observed issue.
Fixes: 8670dc33f48b ("net: dsa: felix: update base time of time-aware shaper when adjusting PTP time")
Reported-by: Richie Pearn <richard.pearn@nxp.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250426144859.3128352-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the mtk_poll_rx() function detects the MTK_RESETTING flag, it will
jump to release_desc and refill the high word of the SDP on the 4GB RFB.
Subsequently, mtk_rx_clean will process an incorrect SDP, leading to a
panic.
Add patch from MediaTek's SDK to resolve this.
Fixes: 2d75891ebc09 ("net: ethernet: mtk_eth_soc: support 36-bit DMA addressing on MT7988")
Link: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/71f47ea785699c6aa3b922d66c2bdc1a43da25b1
Signed-off-by: Chad Monroe <chad@monroe.io>
Link: https://patch.msgid.link/4adc2aaeb0fb1b9cdc56bf21cf8e7fa328daa345.1745715843.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 1a931c4f5e68 ("igc: add lock preventing multiple simultaneous PTM
transactions") added a new mutex to protect concurrent PTM transactions.
This lock is acquired in igc_ptp_reset() in order to ensure the PTM
registers are properly disabled after a device reset.
The flow where the lock is acquired already holds a spinlock, so acquiring
a mutex leads to a sleep-while-locking bug, reported both by smatch,
and the kernel test robot.
The critical section in igc_ptp_reset() does correctly use the
readx_poll_timeout_atomic variants, but the standard PTM flow uses regular
sleeping variants. This makes converting the mutex to a spinlock a bit
tricky.
Instead, re-order the locking in igc_ptp_reset. Acquire the mutex first,
and then the tmreg_lock spinlock. This is safe because there is no other
ordering dependency on these locks, as this is the only place where both
locks were acquired simultaneously. Indeed, any other flow acquiring locks
in that order would be wrong regardless.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Fixes: 1a931c4f5e68 ("igc: add lock preventing multiple simultaneous PTM transactions")
Link: https://lore.kernel.org/intel-wired-lan/Z_-P-Hc1yxcw0lTB@stanley.mountain/
Link: https://lore.kernel.org/intel-wired-lan/202504211511.f7738f5d-lkp@intel.com/T/#u
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Before the referenced commit, the shutdown just called idpf_remove(),
this way IDPF_REMOVE_IN_PROG was protecting us from the serv_task
rescheduling reset. Without this flag set the shutdown process is
vulnerable to HW reset or any other triggering conditions (such as
default mailbox being destroyed).
When one of conditions checked in idpf_service_task becomes true,
vc_event_task can be rescheduled during shutdown, this leads to accessing
freed memory e.g. idpf_req_rel_vector_indexes() trying to read
vport->q_vector_idxs. This in turn causes the system to become defunct
during e.g. systemctl kexec.
Considering using IDPF_REMOVE_IN_PROG would lead to more heavy shutdown
process, instead just cancel the serv_task before cancelling
adapter->serv_task before cancelling adapter->vc_event_task to ensure that
reset will not be scheduled while we are doing a shutdown.
Fixes: 4c9106f4906a ("idpf: fix adapter NULL pointer dereference on reboot")
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Samuel Salin <Samuel.salin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In case of failing on rss_data->rss_key allocation the function is
freeing vport without freeing earlier allocated q_vector_idxs. Fix it.
Move from freeing in error branch to goto scheme.
Fixes: d4d558718266 ("idpf: initialize interrupts and enable vport")
Reviewed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Suggested-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.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>
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Bui Quang Minh says:
====================
xsk: respect the offsets when copying frags
In commit 560d958c6c68 ("xsk: add generic XSk &xdp_buff -> skb
conversion"), we introduce a helper to convert zerocopy xdp_buff to skb.
However, in the frag copy, we mistakenly ignore the frag's offset. This
series adds the missing offset when copying frags in
xdp_copy_frags_from_zc(). This function is not used anywhere so no
backport is needed.
This series also makes xdp_copy_frags_from_zc() use page allocation API
page_pool_dev_alloc() instead of page_pool_dev_alloc_netmem() to avoid
possible confusion of the returned value.
====================
Link: https://patch.msgid.link/20250426081220.40689-1-minhquangbui99@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This commit makes xdp_copy_frags_from_zc() use page allocation API
page_pool_dev_alloc() instead of page_pool_dev_alloc_netmem() to avoid
possible confusion of the returned value.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://patch.msgid.link/20250426081220.40689-3-minhquangbui99@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In commit 560d958c6c68 ("xsk: add generic XSk &xdp_buff -> skb
conversion"), we introduce a helper to convert zerocopy xdp_buff to skb.
However, in the frag copy, we mistakenly ignore the frag's offset. This
commit adds the missing offset when copying frags in
xdp_copy_frags_from_zc(). This function is not used anywhere so no
backport is needed.
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://patch.msgid.link/20250426081220.40689-2-minhquangbui99@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use bpf_try_module_get()/bpf_module_put() instead of try_module_get()/
module_put() when handling default qdisc since users can assign a bpf
qdisc to it.
To trigger the bug:
$ bpftool struct_ops register bpf_qdisc_fq.bpf.o /sys/fs/bpf
$ echo bpf_fq > /proc/sys/net/core/default_qdisc
Fixes: c8240344956e ("bpf: net_sched: Support implementation of Qdisc_ops in bpf")
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250429192128.3860571-1-ameryhung@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"Renesas SDHI fixes:
- Fix error-paths in probe
- Fix build-error when CONFIG_REGULATOR is unset"
* tag 'mmc-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: renesas_sdhi: disable clocks if registering regulator failed
mmc: renesas_sdhi: add regulator dependency
mmc: renesas_sdhi: Fix error handling in renesas_sdhi_probe
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If the CONFIG_NET_SCH_BPF configuration is not enabled,
the BPF test compilation will report the following error:
In file included from progs/bpf_qdisc_fq.c:39:
progs/bpf_qdisc_common.h:17:51: error: declaration of 'struct bpf_sk_buff_ptr' will not be visible outside of this function [-Werror,-Wvisibility]
17 | void bpf_qdisc_skb_drop(struct sk_buff *p, struct bpf_sk_buff_ptr *to_free) __ksym;
| ^
progs/bpf_qdisc_fq.c:309:14: error: declaration of 'struct bpf_sk_buff_ptr' will not be visible outside of this function [-Werror,-Wvisibility]
309 | struct bpf_sk_buff_ptr *to_free)
| ^
progs/bpf_qdisc_fq.c:309:14: error: declaration of 'struct bpf_sk_buff_ptr' will not be visible outside of this function [-Werror,-Wvisibility]
progs/bpf_qdisc_fq.c:308:5: error: conflicting types for '____bpf_fq_enqueue'
Fixes: 11c701639ba9 ("selftests/bpf: Add a basic fifo qdisc test")
Signed-off-by: Feng Yang <yangfeng@kylinos.cn>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250428033445.58113-1-yangfeng59949@163.com
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When libperf is built alone in-source, $(OUTPUT) isn't set. This causes
the generated uapi path to resolve to '/../arch' which results in a
permissions error:
mkdir: cannot create directory '/../arch': Permission denied
Fix it by removing the preceding '/..' which means that it gets
generated either in the tools/lib/perf part of the tree or the OUTPUT
folder. Some other rules that rely on OUTPUT further refine this
conditionally depending on whether it's an in-source or out-of-source
build, but I don't think we need the extra complexity here. And this
rule is slightly different to others because the header is needed by
both libperf and Perf. This is further complicated by the fact that Perf
always passes O=... to libperf even for in source builds, meaning that
OUTPUT isn't set consistently between projects.
Because we're no longer going one level up to try to generate the file
in the tools/ folder, Perf's include rule needs to descend into libperf.
Also fix the clean rule while we're here.
Reported-by: Thorsten Leemhuis <linux@leemhuis.info>
Closes: https://lore.kernel.org/linux-perf-users/7703f88e-ccb7-4c98-9da4-8aad224e780f@leemhuis.info/
Fixes: bfb713ea53c7 ("perf tools: Fix arm64 build by generating unistd_64.h")
Signed-off-by: James Clark <james.clark@linaro.org>
Tested-by: Thorsten Leemhuis <linux@leemhuis.info>
Link: https://lore.kernel.org/r/20250429-james-perf-fix-libperf-in-source-build-v1-1-a1a827ac15e5@linaro.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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This bit is necessary to receive packets from the internal PHY.
Without this bit set, no activity occurs on the interface.
Normally u-boot sets this bit, but if u-boot is compiled without
net support, the interface will be up but without any activity.
If bit is set once, it will work until the IP is powered down or reset.
The vendor SDK sets this bit along with the PHY_ID bits.
Signed-off-by: Da Xue <da@libre.computer>
Fixes: 9a24e1ff4326 ("net: mdio: add amlogic gxl mdio mux support")
Link: https://patch.msgid.link/20250425192009.1439508-1-da@libre.computer
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As it's name suggests, parse_eeprom() parses EEPROM data.
This is done by reading data, 16 bits at a time as follows:
for (i = 0; i < 128; i++)
((__le16 *) sromdata)[i] = cpu_to_le16(read_eeprom(np, i));
sromdata is at the same memory location as psrom.
And the type of psrom is a pointer to struct t_SROM.
As can be seen in the loop above, data is stored in sromdata, and thus psrom,
as 16-bit little-endian values.
However, the integer fields of t_SROM are host byte order integers.
And in the case of led_mode this leads to a little endian value
being incorrectly treated as host byte order.
Looking at rio_set_led_mode, this does appear to be a bug as that code
masks led_mode with 0x1, 0x2 and 0x8. Logic that would be effected by a
reversed byte order.
This problem would only manifest on big endian hosts.
Found by inspection while investigating a sparse warning
regarding the crc field of t_SROM.
I believe that warning is a false positive. And although I plan
to send a follow-up to use little-endian types for other the integer
fields of PSROM_t I do not believe that will involve any bug fixes.
Compile tested only.
Fixes: c3f45d322cbd ("dl2k: Add support for IP1000A-based cards")
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250425-dlink-led-mode-v1-1-6bae3c36e736@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The MIDI substream name string is constructed from the combination of
the card shortname (which is taken from USB iProduct) and the USB
iJack. The problem is that some devices put the product name to the
iJack field, too. For example, aplaymidi -l output on the Lanchkey MK
49 are like:
% aplaymidi -l
Port Client name Port name
44:0 Launchkey MK4 49 Launchkey MK4 49 Launchkey MK4
44:1 Launchkey MK4 49 Launchkey MK4 49 Launchkey MK4
where the actual iJack name can't be seen because it's truncated due
to the doubly words.
For resolving those situations, this patch compares the iJack string
with the card shortname, and drops if both start with the same words.
Then the result becomes like:
% aplaymidi -l
Port Client name Port name
40:0 Launchkey MK4 49 Launchkey MK4 49 MIDI In
40:1 Launchkey MK4 49 Launchkey MK4 49 DAW In
A caveat is that there are some pre-defined names for certain
devices in the driver code, and this workaround shouldn't be applied
to them. Similarly, when the iJack isn't specified, we should skip
this check, too. The patch added those checks in addition to the
string comparison.
Suggested-by: Paul Davis <paul@linuxaudiosystems.com>
Tested-by: Paul Davis <paul@linuxaudiosystems.com>
Link: https://lore.kernel.org/CAFa_cKmEDQWcJatbYWi6A58Zg4Ma9_6Nr3k5LhqwyxC-P_kXtw@mail.gmail.com
Link: https://patch.msgid.link/20250429183626.20773-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The recent patch to make the rfc3961 simplified code use sg_miter rather
than manually walking the scatterlist to hash the contents of a buffer
described by that scatterlist failed to take the starting offset into
account.
This is indicated by the selftests reporting:
krb5: Running aes128-cts-hmac-sha256-128 mic
krb5: !!! TESTFAIL crypto/krb5/selftest.c:446
krb5: MIC mismatch
Fix this by calling sg_miter_skip() before doing the loop to advance
by the offset.
This only affects packet signing modes and not full encryption in RxGK
because, for full encryption, the message digest is handled inside the
authenc and krb5enc drivers.
Note: Nothing in linus/master uses the krb5lib, though the bug is there.
It is used by AF_RXRPC's RxGK implementation in -next, no need to backport.
Fixes: da6f9bf40ac2 ("crypto: krb5 - Use SG miter instead of doing it by hand")
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Chuck Lever <chuck.lever@oracle.com>
cc: Simon Horman <horms@kernel.org>
cc: linux-afs@lists.infradead.org
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://patch.msgid.link/3824017.1745835726@warthog.procyon.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The defines for SUPPORTED_INTERFACES and ADVERTISED_INTERFACES both appear
to be unused. I couldn't find anything that actually references them in the
original diff that added them and it seems like they have persisted despite
using deprecated defines that aren't supposed to be used as per the
ethtool.h header that defines the bits they are composed of.
Since they are unused, and not supposed to be used anymore I am just
dropping the lines of code since they seem to just be occupying space.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/174578398922.1580647.9720643128205980455.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify fix from Jan Kara:
"A fix for the recently merged mount notification support"
* tag 'fsnotify_for_v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
selftests/fs/mount-notify: test also remove/flush of mntns marks
fanotify: fix flush of mntns marks
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
"Fixes and new HW support
- amd/pmc: Require at least 2.5 seconds between HW sleep cycles
- alienware-wmi-wmax:
- Add support for Alienware m15 R7
- Fix error handling to avoid uninitialized variable
- asus-wmi: Disable OOBE state also on resume
- ideapad-laptop: Support a few new buttons
- intel/hid: Add Panther Lake support
- intel-uncore-freq: Fix missing uncore sysfs during CPU hotplug"
* tag 'platform-drivers-x86-v6.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: ideapad-laptop: add support for some new buttons
platform/x86: asus-wmi: Disable OOBE state after resume from hibernation
platform/x86: alienware-wmi-wmax: Add support for Alienware m15 R7
platform/x86/intel: hid: Add Pantherlake support
platform/x86: alienware-wmi-wmax: Fix uninitialized variable due to bad error handling
platform/x86/intel-uncore-freq: Fix missing uncore sysfs during CPU hotplug
platform/x86/amd: pmc: Require at least 2.5 seconds between HW sleep cycles
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
"Fixes for nid setting in memmap_init_reserved_pages():
- pass 'size' rather than 'end' to memblock_set_node() as that
function expects
- fix a corner case when memblock.reserved is doubled at
memmap_init_reserved_pages() and the newly reserved block
won't have nid assigned"
* tag 'fixes-2025-04-29' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: add test for memblock_set_node
mm/memblock: repeat setting reserved region nid if array is doubled
mm/memblock: pass size instead of end to memblock_set_node()
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David Wei says:
====================
io_uring/zcrx: selftests: more cleanups
Patch 1 use rand_port() instead of hard coding port 9999. Patch 2 parses
JSON from ethtool -g instead of string.
====================
Link: https://patch.msgid.link/20250426195525.1906774-1-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Parse JSON from ethtool -g instead of parsing text output.
Signed-off-by: David Wei <dw@davidwei.uk>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250426195525.1906774-3-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use rand_port() and stop hard coding port 9999.
Signed-off-by: David Wei <dw@davidwei.uk>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250426195525.1906774-2-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation for making the kmalloc family of allocators type aware,
we need to make sure that the returned type from the allocation matches
the type of the variable being assigned. (Before, the allocator would
always return "void *", which can be implicitly cast to any pointer type.)
The assigned type is "const struct attribute_group **", but the returned
type, while technically matching, will be not const qualified. As there is
no general way to safely add const qualifiers, adjust the allocation type
to match the assignment.
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250426061858.work.470-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation for making the kmalloc family of allocators type aware,
we need to make sure that the returned type from the allocation matches
the type of the variable being assigned. (Before, the allocator would
always return "void *", which can be implicitly cast to any pointer type.)
The assigned type "struct xsk_buff_pool **", but the returned type will be
"struct xsk_buff_pool ***". These are the same allocation size (pointer
size), but the types don't match. Adjust the allocation type to match
the assignment.
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250426060841.work.016-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation for making the kmalloc family of allocators type aware,
we need to make sure that the returned type from the allocation matches
the type of the variable being assigned. (Before, the allocator would
always return "void *", which can be implicitly cast to any pointer type.)
The assigned type is "unsigned long **", but the returned type will be
"long **". These are the same size allocation (pointer size) but the
types do not match. Adjust the allocation type to match the assignment.
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250426060757.work.865-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation for making the kmalloc family of allocators type aware,
we need to make sure that the returned type from the allocation matches
the type of the variable being assigned. (Before, the allocator would
always return "void *", which can be implicitly cast to any pointer type.)
This is allocating a copy of pdsc_viftype_defaults, which is an array of
struct pdsc_viftype. To correctly return "struct pdsc_viftype *" in the
future, adjust the allocation to allocating ARRAY_SIZE-many entries. The
resulting allocation size is the same.
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://patch.msgid.link/20250426060712.work.575-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation for making the kmalloc family of allocators type aware,
we need to make sure that the returned type from the allocation matches
the type of the variable being assigned. (Before, the allocator would
always return "void *", which can be implicitly cast to any pointer type.)
This was allocating many sizeof(struct hlist_head *) when it actually
wanted sizeof(struct hlist_head). Luckily these are the same size.
Adjust the allocation type to match the assignment.
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250426060529.work.873-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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stm32mp23 SoCs
Adjust the size of 8kB GIC regions to 128kB so that each 4kB is mapped 16
times over a 64kB region.
The offset is then adjusted in the irq-gic driver.
see commit 12e14066f4835 ("irqchip/GIC: Add workaround for aliased GIC400")
Fixes: e9b03ef21386e ("arm64: dts: st: introduce stm32mp23 SoCs family")
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250415111654.2103767-7-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Use gic-400 compatible and remove address-cells = <1> for aarch64
Fixes: e9b03ef21386e ("arm64: dts: st: introduce stm32mp23 SoCs family")
Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250415111654.2103767-6-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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stm32mp21 SoCs
Adjust the size of 8kB GIC regions to 128kB so that each 4kB is mapped
16 times over a 64kB region.
The offset is then adjusted in the irq-gic driver.
see commit 12e14066f4835 ("irqchip/GIC: Add workaround for aliased GIC400")
Fixes: 7a57b1bb1afbf ("arm64: dts: st: introduce stm32mp21 SoCs family")
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250415111654.2103767-5-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Use gic-400 compatible for aarch64
Fixes: 7a57b1bb1afbf ("arm64: dts: st: introduce stm32mp21 SoCs family")
Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250415111654.2103767-4-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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stm32mp25 SoCs
Adjust the size of 8kB GIC regions to 128kB so that each 4kB is mapped 16
times over a 64kB region.
The offset is then adjusted in the irq-gic driver.
see commit 12e14066f4835 ("irqchip/GIC: Add workaround for aliased GIC400")
Fixes: 5d30d03aaf785 ("arm64: dts: st: introduce stm32mp25 SoCs family")
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250415111654.2103767-3-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Use gic-400 compatible and remove address-cells = <1> on aarch64
Fixes: 5d30d03aaf785 ("arm64: dts: st: introduce stm32mp25 SoCs family")
Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250415111654.2103767-2-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 6.15:
- An i.MX8MP change from Ahmad Fatoum to fix the broken nominal device
tree caused by commit 9f7595b3e5ae ("arm64: dts: imx8mp: configure
GPU and NPU clocks to overdrive rate")
- A MAINTAINERS update from Michael Riesch to exclude Sony IMX image
sensor drivers from i.MX entry
- A i.MX95 device tree change from Richard Zhu to correct the range of
PCIe app-reg region
- An opos6ul device tree change from Sébastien Szymanski to fix
an Ethernet regression caused by commit c7e73b5051d6 ("ARM: imx:
mach-imx6ul: remove 14x14 EVK specific PHY fixup")
- An imx8mm-verdin device tree change from Wojciech Dubowik to fix
a SD card regression caused by commit f5aab0438ef1 ("regulator:
pca9450: Fix enable register for LDO5")
* tag 'imx-fixes-6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mm-verdin: Link reg_usdhc2_vqmmc to usdhc2
MAINTAINERS: add exclude for dt-bindings to imx entry
ARM: dts: opos6ul: add ksz8081 phy properties
arm64: dts: imx95: Correct the range of PCIe app-reg region
arm64: dts: imx8mp: configure GPU and NPU clocks in nominal DTSI
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https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Armv8 Morello fix for v6.15
Just a single fix addressing the cache node inconsistencies. It removed
unnecessary CPU number from L2 cache node names since they are local to
CPU nodes and should simply be named "l2-cache" and relocates the shared
L3 cache node from under cpu@0/l2-cache to the /cpus node, which is the
standard location for shared caches.
* tag 'juno-fix-6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm64: dts: morello: Fix-up cache nodes
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https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm FF-A fix for v6.15
A fix that addresses incorrect release of Rx buffer ownership in the
driver. The fix specificially avoids releasing Rx buffer ownership with
FFA_RX_RELEASE if it wasn’t acquired during a FFA_PARTITION_INFO_GET call
that only requested the partition count. This prevents unnecessary errors
like FFA_RET_DENIED from firmware when buffers are not actually owned by
the driver.
* tag 'ffa-fix-6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Skip Rx buffer ownership release if not acquired
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https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm SCMI fixes for v6.15
Couple of fixes addressing issues with timeout in the polling path
and device reference count imbalance detected by kmemleak.
1. The change fixes a timeout issue in the polling path of SCMI transactions
where false positives could occur if the polling thread was pre-empted,
causing it to appear as though a timeout occurred when it hadn't. The fix
ensures that the polling result is verified before reporting a timeout,
accounting for potential pre-emption or out-of-order replies.
2. It also corrects a device reference count imbalance caused by
device_find_child() during device destruction, which prevented proper
cleanup and triggered memory leaks detected by KMemleak.
* tag 'scmi-fixes-6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Fix timeout checks on polling path
firmware: arm_scmi: Balance device refcount when destroying devices
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On r6x2b6x2g6x2 displays not enough blank data is sent to blank the
entire screen. When support for these displays was added, the dirty
function was updated to handle the different amount of data, but
blanking was not, and remained hardcoded as 2 bytes per pixel.
This change applies almost the same algorithm used in the dirty function
to the blank function, but there is no fb available at that point, and
no concern about having to transform any data, so the dbidev pixel
format is always used for calculating the length.
Fixes: 4aebb79021f3 ("drm/mipi-dbi: Add support for DRM_FORMAT_RGB888")
Signed-off-by: Russell Cloran <rcloran@gmail.com>
Link: https://lore.kernel.org/r/20250415053259.79572-1-rcloran@gmail.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The drm_gem_shmem_test_get_pages_sgt() gets a scatter-gather table using
the drm_gem_shmem_get_sg_table() function and rightfully calls
sg_free_table() on it. However, it's also supposed to kfree() the
returned sg_table, but doesn't.
This leads to a memory leak, reported by kmemleak. Fix it by adding a
kunit action to kfree the sgt when the test ends.
Reported-by: Philipp Stanner <phasta@mailbox.org>
Closes: https://lore.kernel.org/dri-devel/a7655158a6367ac46194d57f4b7433ef0772a73e.camel@mailbox.org/
Fixes: 93032ae634d4 ("drm/test: add a test suite for GEM objects backed by shmem")
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20250408140758.1831333-1-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Willem de Bruijn says:
====================
ip: improve tcp sock multipath routing
From: Willem de Bruijn <willemb@google.com>
Improve layer 4 multipath hash policy for local tcp connections:
patch 1: Select a source address that matches the nexthop device.
Due to tcp_v4_connect making separate route lookups for saddr
and route, the two can currently be inconsistent.
patch 2: Use all paths when opening multiple local tcp connections to
the same ip address and port.
patch 3: Test the behavior. Extend the fib_tests.sh testsuite with one
opening many connections, and count SYNs on both egress
devices, for packets matching the source address of the dev.
Changelog in the individual patches
====================
Link: https://patch.msgid.link/20250424143549.669426-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Verify that TCP connections use both routes when connecting multiple
times to a remote service over a two nexthop multipath route.
Use socat to create the connections. Use tc prio + tc filter to
count routes taken, counting SYN packets across the two egress
devices. Also verify that the saddr matches that of the device.
To avoid flaky tests when testing inherently randomized behavior,
set a low bar and pass if even a single SYN is observed on each
device.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250424143549.669426-4-willemdebruijn.kernel@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Load balance new TCP connections across nexthops also when they
connect to the same service at a single remote address and port.
This affects only port-based multipath hashing:
fib_multipath_hash_policy 1 or 3.
Local connections must choose both a source address and port when
connecting to a remote service, in ip_route_connect. This
"chicken-and-egg problem" (commit 2d7192d6cbab ("ipv4: Sanitize and
simplify ip_route_{connect,newports}()")) is resolved by first
selecting a source address, by looking up a route using the zero
wildcard source port and address.
As a result multiple connections to the same destination address and
port have no entropy in fib_multipath_hash.
This is not a problem when forwarding, as skb-based hashing has a
4-tuple. Nor when establishing UDP connections, as autobind there
selects a port before reaching ip_route_connect.
Load balance also TCP, by using a random port in fib_multipath_hash.
Port assignment in inet_hash_connect is not atomic with
ip_route_connect. Thus ports are unpredictable, effectively random.
Implementation details:
Do not actually pass a random fl4_sport, as that affects not only
hashing, but routing more broadly, and can match a source port based
policy route, which existing wildcard port 0 will not. Instead,
define a new wildcard flowi flag that is used only for hashing.
Selecting a random source is equivalent to just selecting a random
hash entirely. But for code clarity, follow the normal 4-tuple hash
process and only update this field.
fib_multipath_hash can be reached with zero sport from other code
paths, so explicitly pass this flowi flag, rather than trying to infer
this case in the function itself.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250424143549.669426-3-willemdebruijn.kernel@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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With multipath routes, try to ensure that packets leave on the device
that is associated with the source address.
Avoid the following tcpdump example:
veth0 Out IP 10.1.0.2.38640 > 10.2.0.3.8000: Flags [S]
veth1 Out IP 10.1.0.2.38648 > 10.2.0.3.8000: Flags [S]
Which can happen easily with the most straightforward setup:
ip addr add 10.0.0.1/24 dev veth0
ip addr add 10.1.0.1/24 dev veth1
ip route add 10.2.0.3 nexthop via 10.0.0.2 dev veth0 \
nexthop via 10.1.0.2 dev veth1
This is apparently considered WAI, based on the comment in
ip_route_output_key_hash_rcu:
* 2. Moreover, we are allowed to send packets with saddr
* of another iface. --ANK
It may be ok for some uses of multipath, but not all. For instance,
when using two ISPs, a router may drop packets with unknown source.
The behavior occurs because tcp_v4_connect makes three route
lookups when establishing a connection:
1. ip_route_connect calls to select a source address, with saddr zero.
2. ip_route_connect calls again now that saddr and daddr are known.
3. ip_route_newports calls again after a source port is also chosen.
With a route with multiple nexthops, each lookup may make a different
choice depending on available entropy to fib_select_multipath. So it
is possible for 1 to select the saddr from the first entry, but 3 to
select the second entry. Leading to the above situation.
Address this by preferring a match that matches the flowi4 saddr. This
will make 2 and 3 make the same choice as 1. Continue to update the
backup choice until a choice that matches saddr is found.
Do this in fib_select_multipath itself, rather than passing an fl4_oif
constraint, to avoid changing non-multipath route selection. Commit
e6b45241c57a ("ipv4: reset flowi parameters on route connect") shows
how that may cause regressions.
Also read ipv4.sysctl_fib_multipath_use_neigh only once. No need to
refresh in the loop.
This does not happen in IPv6, which performs only one lookup.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250424143549.669426-2-willemdebruijn.kernel@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add two quirks for the WDC Blue SN550 (PCI ID 15b7:5009) based on user
reports and hardware analysis:
- NVME_QUIRK_NO_DEEPEST_PS:
liaozw talked to me the problem and solved with
nvme_core.default_ps_max_latency_us=0, so add the quirk.
I also found some reports in the following link.
- NVME_QUIRK_BROKEN_MSI:
after get the lspci from Jack Rio.
I think that the disk also have NVME_QUIRK_BROKEN_MSI.
described in commit d5887dc6b6c0 ("nvme-pci: Add quirk for broken MSIs")
as sean said in link which match the MSI 1/32 and MSI-X 17.
Log:
lspci -nn | grep -i memory
03:00.0 Non-Volatile memory controller [0108]: Sandisk Corp SanDisk Ultra 3D / WD PC SN530, IX SN530, Blue SN550 NVMe SSD (DRAM-less) [15b7:5009] (rev 01)
lspci -v -d 15b7:5009
03:00.0 Non-Volatile memory controller: Sandisk Corp SanDisk Ultra 3D / WD PC SN530, IX SN530, Blue SN550 NVMe SSD (DRAM-less) (rev 01) (prog-if 02 [NVM Express])
Subsystem: Sandisk Corp WD Blue SN550 NVMe SSD
Flags: bus master, fast devsel, latency 0, IRQ 35, IOMMU group 10
Memory at fe800000 (64-bit, non-prefetchable) [size=16K]
Memory at fe804000 (64-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 3
Capabilities: [90] MSI: Enable- Count=1/32 Maskable- 64bit+
Capabilities: [b0] MSI-X: Enable+ Count=17 Masked-
Capabilities: [c0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [150] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [1b8] Latency Tolerance Reporting
Capabilities: [300] Secondary PCI Express
Capabilities: [900] L1 PM Substates
Kernel driver in use: nvme
dmesg | grep nvme
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-6.12.20-amd64-desktop-rolling root=UUID= ro splash quiet nvme_core.default_ps_max_latency_us=0 DEEPIN_GFXMODE=
[ 0.059301] Kernel command line: BOOT_IMAGE=/vmlinuz-6.12.20-amd64-desktop-rolling root=UUID= ro splash quiet nvme_core.default_ps_max_latency_us=0 DEEPIN_GFXMODE=
[ 0.542430] nvme nvme0: pci function 0000:03:00.0
[ 0.560426] nvme nvme0: allocated 32 MiB host memory buffer.
[ 0.562491] nvme nvme0: 16/0/0 default/read/poll queues
[ 0.567764] nvme0n1: p1 p2 p3 p4 p5 p6 p7 p8 p9
[ 6.388726] EXT4-fs (nvme0n1p7): mounted filesystem ro with ordered data mode. Quota mode: none.
[ 6.893421] EXT4-fs (nvme0n1p7): re-mounted r/w. Quota mode: none.
[ 7.125419] Adding 16777212k swap on /dev/nvme0n1p8. Priority:-2 extents:1 across:16777212k SS
[ 7.157588] EXT4-fs (nvme0n1p6): mounted filesystem r/w with ordered data mode. Quota mode: none.
[ 7.165021] EXT4-fs (nvme0n1p9): mounted filesystem r/w with ordered data mode. Quota mode: none.
[ 8.036932] nvme nvme0: using unchecked data buffer
[ 8.096023] block nvme0n1: No UUID available providing old NGUID
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5887dc6b6c054d0da3cd053afc15b7be1f45ff6
Link: https://lore.kernel.org/all/20240422162822.3539156-1-sean.anderson@linux.dev/
Reported-by: liaozw <hedgehog-002@163.com>
Closes: https://bbs.deepin.org.cn/post/286300
Reported-by: rugk <rugk+github@posteo.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=208123
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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This commit adds NVME_QUIRK_NO_DEEPEST_PS and NVME_QUIRK_BOGUS_NID for
device [126f:1001].
It is similar to commit e89086c43f05 ("drivers/nvme: Add quirks for
device 126f:2262")
Diff is according the dmesg, use NVME_QUIRK_IGNORE_DEV_SUBNQN.
dmesg | grep -i nvme0:
nvme nvme0: pci function 0000:01:00.0
nvme nvme0: missing or invalid SUBNQN field.
nvme nvme0: 12/0/0 default/read/poll queues
Link:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e89086c43f0500bc7c4ce225495b73b8ce234c1f
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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A zero return means the reset was successfully scheduled. We don't want
to unquiesce the queues while the reset_work is pending, as that will
just flush out requeued requests to a failed completion.
Fixes: 71a5bb153be104 ("nvme: ensure disabling pairs with unquiesce")
Reported-by: Dhankaran Singh Ajravat <dhankaran@meta.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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The conversion function from MIDI 1.0 to UMP packet contains an
internal buffer to keep the incoming MIDI bytes, and its size is 4, as
it was supposed to be the max size for a MIDI1 UMP packet data.
However, the implementation overlooked that SysEx is handled in a
different format, and it can be up to 6 bytes, as found in
do_convert_to_ump(). It leads eventually to a buffer overflow, and
may corrupt the memory when a longer SysEx message is received.
The fix is simply to extend the buffer size to 6 to fit with the SysEx
UMP message.
Fixes: 0b5288f5fe63 ("ALSA: ump: Add legacy raw MIDI support")
Reported-by: Argusee <vr@darknavy.com>
Link: https://patch.msgid.link/20250429124845.25128-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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__ublk_check_and_get_req() is only called from ublk_check_and_get_req()
and ublk_register_io_buf(), the same check has been covered in the two
calling sites.
So remove the check from __ublk_check_and_get_req().
Suggested-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250429022941.1718671-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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