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Since the page_pool for MT76 MMIO devices are created with
PP_FLAG_DMA_SYNC_DEV flag, we do not need to sync_for_device each page
received from the pool since it is already done by the page_pool
codebase.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250625-mt76-sync-for-device-v1-1-e687e3278e1a@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move phy num_sta accounting in mt7996_mac_sta_add() and
mt7996_mac_sta_remove() routines in order to take into account all
possibles MLO links.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-9-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Generalize mt7996_tx_check_aggr() and mt7996_txwi_free() routines to
introduce MLO support for MT7996 driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-8-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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sta->valid_links bitmask can be set even for non-MLO client.
Fixes: dd82a9e02c054 ("wifi: mt76: mt7996: Rely on mt7996_sta_link in sta_add/sta_remove callbacks")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-7-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fis possible Out-Of-Boundary access in mt7996_tx routine if link_id is
set to IEEE80211_LINK_UNSPECIFIED
Fixes: 3ce8acb86b661 ("wifi: mt76: mt7996: Update mt7996_tx to MLO support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-6-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Use proper link_id in mt7996_tx_prepare_skb routine for mlink lookup.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-5-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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msta_link->wcid.sta is already set to 1 in mt7996_mac_sta_init_link
routine.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-4-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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mt7996_mcu_sta_mld_setup_tlv()
Reuse for_each_sta_active_link utility macro in
mt7996_mcu_sta_mld_setup_tlv routine.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-3-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Use proper link_id value for secondary link lookup in
mt7996_mcu_sta_mld_setup_tlv routine.
Fixes: 00cef41d9d8f5 ("wifi: mt76: mt7996: Add mt7996_mcu_sta_mld_setup_tlv() and mt7996_mcu_sta_eht_mld_tlv()")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-2-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Reuse the vif deflink for link_id = 0 in order to avoid confusion with
vif->bss_conf, which also gets a link id of 0.
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-1-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The ssid->ssids[] and sreq->ssids[] arrays have MT7925_RNR_SCAN_MAX_BSSIDS
elements so this >= needs to be > to prevent an out of bounds access.
Fixes: 8284815ca161 ("wifi: mt76: mt7925: add RNR scan support for 6GHz")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aDVT2tPhG_8T0Qla@stanley.mountain
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Restart the MCU and release the patch semaphore before loading the MCU
patch firmware from the host.
This fixes failures upon error recovery in case the semaphore was
previously taken and never released by the host.
This happens from time to time upon triggering a full-chip error
recovery. Under this circumstance, the hardware restart fails and the
radio is rendered inoperational.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://patch.msgid.link/20250402004528.1036715-3-mail@david-bauer.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The default timeout set in mt76_connac2_mcu_fill_message of 20 seconds
leads to excessive stalling in case messages are lost.
Testing showed that a smaller timeout of 5 seconds is sufficient in
normal operation.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://patch.msgid.link/20250402004528.1036715-1-mail@david-bauer.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Increase the timeout for MCU_EXT_CMD_EFUSE_BUFFER_MODE command.
Regular retries upon hardware-recovery have been observed. Increasing
the timeout slightly remedies this problem.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://patch.msgid.link/20250402004528.1036715-2-mail@david-bauer.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Cross-merge networking fixes after downstream PR (net-6.16-rc4).
Conflicts:
Documentation/netlink/specs/mptcp_pm.yaml
9e6dd4c256d0 ("netlink: specs: mptcp: replace underscores with dashes in names")
ec362192aa9e ("netlink: specs: fix up indentation errors")
https://lore.kernel.org/20250626122205.389c2cd4@canb.auug.org.au
Adjacent changes:
Documentation/netlink/specs/fou.yaml
791a9ed0a40d ("netlink: specs: fou: replace underscores with dashes in names")
880d43ca9aa4 ("netlink: specs: clean up spaces in brackets")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth and wireless.
Current release - regressions:
- bridge: fix use-after-free during router port configuration
Current release - new code bugs:
- eth: wangxun: fix the creation of page_pool
Previous releases - regressions:
- netpoll: initialize UDP checksum field before checksumming
- wifi: mac80211: finish link init before RCU publish
- bluetooth: fix use-after-free in vhci_flush()
- eth:
- ionic: fix DMA mapping test
- bnxt: properly flush XDP redirect lists
Previous releases - always broken:
- netlink: specs: enforce strict naming of properties
- unix: don't leave consecutive consumed OOB skbs.
- vsock: fix linux/vm_sockets.h userspace compilation errors
- selftests: fix TCP packet checksum"
* tag 'net-6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
net: libwx: fix the creation of page_pool
net: selftests: fix TCP packet checksum
atm: Release atm_dev_mutex after removing procfs in atm_dev_deregister().
netlink: specs: enforce strict naming of properties
netlink: specs: tc: replace underscores with dashes in names
netlink: specs: rt-link: replace underscores with dashes in names
netlink: specs: mptcp: replace underscores with dashes in names
netlink: specs: ovs_flow: replace underscores with dashes in names
netlink: specs: devlink: replace underscores with dashes in names
netlink: specs: dpll: replace underscores with dashes in names
netlink: specs: ethtool: replace underscores with dashes in names
netlink: specs: fou: replace underscores with dashes in names
netlink: specs: nfsd: replace underscores with dashes in names
net: enetc: Correct endianness handling in _enetc_rd_reg64
atm: idt77252: Add missing `dma_map_error()`
bnxt: properly flush XDP redirect lists
vsock/uapi: fix linux/vm_sockets.h userspace compilation errors
wifi: mac80211: finish link init before RCU publish
wifi: iwlwifi: mvm: assume '1' as the default mac_config_cmd version
selftest: af_unix: Add tests for -ECONNRESET.
...
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Add missing default values for networking sysctl parameters and
standardize documentation:
- Use "0 (disabled)" / "1 (enabled)" format consistently
- Fix cipso_rbm_struct_valid -> cipso_rbm_strictvalid typo
- Convert fwmark_reflect description to enabled/disabled terminology
- Document possible values for tcp_autocorking
Also addresses formatting inconsistencies in touched parameters.
Signed-off-by: Abdelrahman Fekry <abdelrahmanfekry375@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20250624150923.40590-1-abdelrahmanfekry375@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Jakub Kicinski says:
====================
eth: fbnic: trivial code tweaks
A handful of code cleanups. No functional changes.
====================
Link: https://patch.msgid.link/20250624142834.3275164-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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fbnic_fw_clear_cmpl() does the inverse of fbnic_mbx_set_cmpl().
It removes the completion from the mailbox table.
It also calls fbnic_mbx_set_cmpl_slot() internally.
It should have fbnic_mbx prefix, not fbnic_fw.
I'm not very clear on what the distinction is between the two
prefixes but the matching "set" and "clear" functions should
use the same prefix.
While at it move the "clear" function closer to the "set".
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250624142834.3275164-6-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Make sure includes are in alphabetical order.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250624142834.3275164-5-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Relign various whitespace things. Some of it is spaces which should
be tabs and some is making sure the values are actually correctly
aligned to "columns" with 8 space tabs. Whitespace changes only.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250624142834.3275164-4-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Fix a typo:
stampinn -> stamping
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250624142834.3275164-3-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Somehow we ended up with two copies of FBNIC_MAX_[TR]XQS in fbnic_txrx.h.
Remove the one mixed with the struct declarations.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250624142834.3275164-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Matthias Schiffer says:
====================
Follow-up to RGMII mode clarification: am65-cpsw fix + checkpatch
Following previous discussion [1] and the documentation update by
Andrew [2]:
Fix up the mode to account for the fixed TX delay on the AM65 CPSW
Ethernet controllers, similar to the way the icssg-prueth does it. For
backwards compatibility, the "impossible" modes that claim to have a
delay on the PCB are still accepted, but trigger a warning message.
As Andrew suggested, I have also added a checkpatch check that requires
a comment for any RGMII mode that is not "rgmii-id".
No Device Trees are updated to avoid the warning for now, to give other
projects syncing the Linux Device Trees some time to fix their drivers
as well. I intend to submit an equivalent change for U-Boot's
am65-cpsw-nuss driver as soon as the changes are accepted for Linux.
[1] https://lore.kernel.org/lkml/d25b1447-c28b-4998-b238-92672434dc28@lunn.ch/
[2] https://lore.kernel.org/all/20250430-v6-15-rc3-net-rgmii-delays-v2-1-099ae651d5e5@lunn.ch/
commit c360eb0c3ccb ("dt-bindings: net: ethernet-controller: Add informative text about RGMII delays")
v1: https://lore.kernel.org/all/cover.1744710099.git.matthias.schiffer@ew.tq-group.com/
====================
Link: https://patch.msgid.link/cover.1750756583.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Historically, the RGMII PHY modes specified in Device Trees have been
used inconsistently, often referring to the usage of delays on the PHY
side rather than describing the board; many drivers still implement this
incorrectly.
Require a comment in Devices Trees using these modes (usually mentioning
that the delay is realized on the PCB), so we can avoid adding more
incorrect uses (or will at least notice which drivers still need to be
fixed).
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/bc112b8aa510cf9df9ab33178d122f234d0aebf7.1750756583.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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All am65-cpsw controllers have a fixed TX delay, so the PHY interface
mode must be fixed up to account for this.
Modes that claim to a delay on the PCB can't actually work. Warn people
to update their Device Trees if one of the unsupported modes is specified.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Link: https://patch.msgid.link/9b3fb1fbf719bef30702192155c6413cd5de5dcf.1750756583.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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k3-am65-cpsw-nuss controllers have a fixed internal TX delay, so RXID
mode is not actually possible and will result in a warning from the
driver going forward.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Link: https://patch.msgid.link/f9b5e84fcaf565506ed86cf1838444c2bc47334f.1750756583.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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'rx_ring->size' means the count of ring descriptors multiplied by the
size of one descriptor. When increasing the count of ring descriptors,
it may exceed the limit of pool size.
[ 864.209610] page_pool_create_percpu() gave up with errno -7
[ 864.209613] txgbe 0000:11:00.0: Page pool creation failed: -7
Fix to set the pool_size to the count of ring descriptors.
Fixes: 850b971110b2 ("net: libwx: Allocate Rx and Tx resources")
Cc: stable@vger.kernel.org
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/434C72BFB40E350A+20250625023924.21821-1-jiawenwu@trustnetic.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The length in the pseudo header should be the length of the L3 payload
AKA the L4 header+payload. The selftest code builds the packet from
the lower layers up, so all the headers are pushed already when it
constructs L4. We need to subtract the lower layer headers from skb->len.
Fixes: 3e1e58d64c3d ("net: add generic selftest support")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Reported-by: Oleksij Rempel <o.rempel@pengutronix.de>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250624183258.3377740-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Pull bpf fixes from Alexei Starovoitov:
- Fix use-after-free in libbpf when map is resized (Adin Scannell)
- Fix verifier assumptions about 2nd argument of bpf_sysctl_get_name
(Jerome Marchand)
- Fix verifier assumption of nullness of d_inode in dentry (Song Liu)
- Fix global starvation of LRU map (Willem de Bruijn)
- Fix potential NULL dereference in btf_dump__free (Yuan Chen)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: adapt one more case in test_lru_map to the new target_free
libbpf: Fix possible use-after-free for externs
selftests/bpf: Convert test_sysctl to prog_tests
bpf: Specify access type of bpf_sysctl_get_name args
libbpf: Fix null pointer dereference in btf_dump__free on allocation failure
bpf: Adjust free target to avoid global starvation of LRU map
bpf: Mark dentry->d_inode as trusted_or_null
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Pull mount fixes from Al Viro:
"Several mount-related fixes"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
userns and mnt_idmap leak in open_tree_attr(2)
attach_recursive_mnt(): do not lock the covering tree when sliding something under it
replace collect_mounts()/drop_collected_mounts() with a safer variant
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We should check if the WOL settings was successfully read from the PHY.
In case this fails we cannot just use the error code and proceed.
Signed-off-by: Daniel Braunwarth <daniel.braunwarth@kuka.com>
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Closes: https://lore.kernel.org/baaa083b-9a69-460f-ab35-2a7cb3246ffd@nvidia.com
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250624-realtek_fixes-v1-1-02a0b7c369bc@kuka.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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array_index_nospec() clamp the rxq_idx within the range of
[0, dev->real_num_rx_queues), move the check before it.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250624140159.3929503-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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lwtunnel_fill_encap() has NULL check and return 0, so no need
to check before call it.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250624140015.3929241-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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syzbot reported a warning below during atm_dev_register(). [0]
Before creating a new device and procfs/sysfs for it, atm_dev_register()
looks up a duplicated device by __atm_dev_lookup(). These operations are
done under atm_dev_mutex.
However, when removing a device in atm_dev_deregister(), it releases the
mutex just after removing the device from the list that __atm_dev_lookup()
iterates over.
So, there will be a small race window where the device does not exist on
the device list but procfs/sysfs are still not removed, triggering the
splat.
Let's hold the mutex until procfs/sysfs are removed in
atm_dev_deregister().
[0]:
proc_dir_entry 'atm/atmtcp:0' already registered
WARNING: CPU: 0 PID: 5919 at fs/proc/generic.c:377 proc_register+0x455/0x5f0 fs/proc/generic.c:377
Modules linked in:
CPU: 0 UID: 0 PID: 5919 Comm: syz-executor284 Not tainted 6.16.0-rc2-syzkaller-00047-g52da431bf03b #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:proc_register+0x455/0x5f0 fs/proc/generic.c:377
Code: 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 a2 01 00 00 48 8b 44 24 10 48 c7 c7 20 c0 c2 8b 48 8b b0 d8 00 00 00 e8 0c 02 1c ff 90 <0f> 0b 90 90 48 c7 c7 80 f2 82 8e e8 0b de 23 09 48 8b 4c 24 28 48
RSP: 0018:ffffc9000466fa30 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ae248
RDX: ffff888026280000 RSI: ffffffff817ae255 RDI: 0000000000000001
RBP: ffff8880232bed48 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888076ed2140
R13: dffffc0000000000 R14: ffff888078a61340 R15: ffffed100edda444
FS: 00007f38b3b0c6c0(0000) GS:ffff888124753000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38b3bdf953 CR3: 0000000076d58000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
proc_create_data+0xbe/0x110 fs/proc/generic.c:585
atm_proc_dev_register+0x112/0x1e0 net/atm/proc.c:361
atm_dev_register+0x46d/0x890 net/atm/resources.c:113
atmtcp_create+0x77/0x210 drivers/atm/atmtcp.c:369
atmtcp_attach drivers/atm/atmtcp.c:403 [inline]
atmtcp_ioctl+0x2f9/0xd60 drivers/atm/atmtcp.c:464
do_vcc_ioctl+0x12c/0x930 net/atm/ioctl.c:159
sock_do_ioctl+0x115/0x280 net/socket.c:1190
sock_ioctl+0x227/0x6b0 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38b3b74459
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f38b3b0c198 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f38b3bfe318 RCX: 00007f38b3b74459
RDX: 0000000000000000 RSI: 0000000000006180 RDI: 0000000000000005
RBP: 00007f38b3bfe310 R08: 65732f636f72702f R09: 65732f636f72702f
R10: 65732f636f72702f R11: 0000000000000246 R12: 00007f38b3bcb0ac
R13: 00007f38b3b0c1a0 R14: 0000200000000200 R15: 00007f38b3bcb03b
</TASK>
Fixes: 64bf69ddff76 ("[ATM]: deregistration removes device from atm_devs list immediately")
Reported-by: syzbot+8bd335d2ad3b93e80715@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/685316de.050a0220.216029.0087.GAE@google.com/
Tested-by: syzbot+8bd335d2ad3b93e80715@syzkaller.appspotmail.com
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250624214505.570679-1-kuni1840@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski says:
====================
netlink: specs: enforce strict naming of properties
I got annoyed once again by the name properties in the ethtool spec
which use underscore instead of dash. I previously assumed that there
is a lot of such properties in the specs so fixing them now would
be near impossible. On a closer look, however, I only found 22
(rough grep suggests we have ~4.8k names in the specs, so bad ones
are just 0.46%).
Add a regex to the JSON schema to enforce the naming, fix the few
bad names. I was hoping we could start enforcing this from newer
families, but there's no correlation between the protocol and the
number of errors. If anything classic netlink has more recently
added specs so it has fewer errors.
The regex is just for name properties which will end up visible
to the user (in Python or YNL CLI). I left the c-name properties
alone, those don't matter as much. C codegen rewrites them, anyway.
I'm not updating the spec for genetlink-c. Looks like it has no
users, new families use genetlink, all old ones need genetlink-legacy.
If these patches are merged I will remove genetlink-c completely
in net-next.
====================
Link: https://patch.msgid.link/20250624211002.3475021-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a regexp to make sure all names which may end up being visible
to the user consist of lower case characters, numbers and dashes.
Underscores keep sneaking into the specs, which is not visible
in the C code but makes the Python and alike inconsistent.
Note that starting with a number is okay, as in C the full
name will include the family name.
For legacy families we can't enforce the naming in the family
name or the multicast group names, as these are part of the
binary uAPI of the kernel.
For classic netlink we need to allow capital letters in names
of struct members. TC has some structs with capitalized members.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-11-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: a1bcfde83669 ("doc/netlink/specs: Add a spec for tc")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-10-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: b2f63d904e72 ("doc/netlink: Add spec for rt link messages")
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: bc8aeb2045e2 ("Documentation: netlink: add a YAML spec for mptcp")
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250624211002.3475021-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 93b230b549bc ("netlink: specs: add ynl spec for ovs_flow")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://patch.msgid.link/20250624211002.3475021-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 429ac6211494 ("devlink: define enum for attr types of dynamic attributes")
Fixes: f2f9dd164db0 ("netlink: specs: devlink: add the remaining command to generate complete split_ops")
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 3badff3a25d8 ("dpll: spec: Add Netlink spec in YAML")
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen replaces special chars in names)
but gives more uniform naming in Python.
Fixes: 13e59344fb9d ("net: ethtool: add support for symmetric-xor RSS hash")
Fixes: 46fb3ba95b93 ("ethtool: Add an interface for flashing transceiver modules' firmware")
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 4eb77b4ecd3c ("netlink: add a proto specification for FOU")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 13727f85b49b ("NFSD: introduce netlink stubs")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20250624211002.3475021-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 4ea7e38696c7 ("dropmon: add ability to detect when hardware
drops rx packets") introduced is_drop_point_hw, but the symbol was
never referenced anywhere in the kernel tree and is currently not used
by dropwatch. I could not find, to the best of my abilities, a current
out-of-tree user of this macro.
The definition also contains a syntax error in its for-loop, so any
project that tried to compile against it would fail. Removing the
macro therefore eliminates dead code without breaking existing
users.
Signed-off-by: RubenKelevra <rubenkelevra@gmail.com>
Link: https://patch.msgid.link/20250624165711.1188691-1-rubenkelevra@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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enetc_hw.h provides two versions of _enetc_rd_reg64.
One which simply calls ioread64() when available.
And another that composes the 64-bit result from ioread32() calls.
In the second case the code appears to assume that each ioread32() call
returns a little-endian value. However both the shift and logical or
used to compose the return value would not work correctly on big endian
systems if this were the case. Moreover, this is inconsistent with the
first case where the return value of ioread64() is assumed to be in host
byte order.
It appears that the correct approach is for both versions to treat the
return value of ioread*() functions as being in host byte order. And
this patch corrects the ioread32()-based version to do so.
This is a bug but would only manifest on big endian systems
that make use of the ioread32-based implementation of _enetc_rd_reg64.
While all in-tree users of this driver are little endian and
make use of the ioread64-based implementation of _enetc_rd_reg64.
Thus, no in-tree user of this driver is affected by this bug.
Flagged by Sparse.
Compile tested only.
Fixes: 16eb4c85c964 ("enetc: Add ethtool statistics")
Closes: https://lore.kernel.org/all/AM9PR04MB850500D3FC24FE23DEFCEA158879A@AM9PR04MB8505.eurprd04.prod.outlook.com/
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20250624-etnetc-le-v1-1-a73a95d96e4e@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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packing.h uses ARRAY_SIZE(), BUILD_BUG_ON_MSG(), min(), max(), and
sizeof_field() without including the headers where they are defined,
potentially causing build failures.
Fix this in packing.h and sort the result.
Signed-off-by: Nathan Lynch <nathan.lynch@amd.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/20250624-packing-includes-v1-1-c23c81fab508@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The DMA map functions can fail and should be tested for errors.
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250624064148.12815-3-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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