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1,463,094 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Ruoyu Wang
|
8e9db06265 |
wifi: mt76: mt7915: guard HE capability lookups
mt7915_mcu_bss_he_tlv() and mt7915_mcu_sta_bfer_tlv() both run after
checking HE support, then dereference the HE PHY capability returned by
mt76_connac_get_he_phy_cap(). That helper can return NULL when no
capability entry matches the vif type.
Fetch the capability before appending the TLV and skip the HE-specific
setup when no matching capability is available.
Fixes:
|
||
Guangshuo Li
|
96ea44f226 |
wifi: mt76: mt7925: guard link STA in decap offload
mt7925_sta_set_decap_offload() iterates over the vif valid_links mask
when updating decap offload state for an MLO station. The station may not
have a link STA for every valid link of the vif, so mt792x_sta_to_link()
can return NULL for a link that belongs to the vif but not to the station.
The function currently dereferences mlink before checking whether the
link WCID is ready. If mlink is NULL, setting or clearing
MT_WCID_FLAG_HDR_TRANS dereferences a NULL pointer.
Skip links without a station link before touching mlink->wcid.
Fixes:
|
||
Nicolas Cavallari
|
13b7e6a96a |
wifi: mt76: Disable napi when removing device
Unloading the mt7915e module with a MT7916 triggers multiples WARN in
__netif_napi_del_locked() and in page_pool_disable_direct_recycling()
because the driver does not disable the napi before destroying it.
This is troublesome since on MT7916 it is required to unload the module
and reinsert it with a different enable_6ghz parameter to change the
frequency. The system generally becomes unstable after reinserting the
module.
Fix it by disabling napi before deleting it. Also, do not delete napi
on WED queues since napi is neither used nor initialized on them.
Fixes:
|
||
Devin Wittmayer
|
39afc46c02 |
wifi: mt76: mt7615: drop TXRX_NOTIFY on non-mmio buses
PKT_TYPE_TXRX_NOTIFY is an mmio-only event, but mt7615_rx_check() and mt7615_queue_rx_skb() dispatch it to mt7615_mac_tx_free() on every bus. mt7615_mac_tx_free() cleans the DMA tx queues with mt76_queue_tx_cleanup(), which calls queue_ops->tx_cleanup(). Only the mmio queue ops implement that callback; on the mt7663 USB and SDIO buses it is NULL, so a TXRX_NOTIFY there calls a NULL pointer in the RX worker. Same defect as the mt7921 and mt7925 patches in this series. Drop the event on non-mmio buses via mt76_is_mmio(), as in commit |
||
|
Devin Wittmayer
|
feeff151c8 |
wifi: mt76: mt7925: drop TXRX_NOTIFY on non-mmio buses
PKT_TYPE_TXRX_NOTIFY is an mmio-only event, but mt7925_rx_check() and mt7925_queue_rx_skb() dispatch it to mt7925_mac_tx_free() on every bus. mt7925_mac_tx_free() cleans the DMA tx queues with mt76_queue_tx_cleanup(), which calls queue_ops->tx_cleanup(). Only the mmio queue ops implement that callback; on USB it is NULL, so a TXRX_NOTIFY there calls a NULL pointer in the RX worker: BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:0x0 Call Trace: mt7925_mac_tx_free+0x58/0x350 [mt7925_common] mt7925_rx_check+0xe2/0x130 [mt7925_common] mt76u_rx_worker+0x1b9/0x620 [mt76_usb] Drop the event on non-mmio buses via mt76_is_mmio(), as in commit |
||
|
Devin Wittmayer
|
da4082e91a |
wifi: mt76: mt7921: drop TXRX_NOTIFY on non-mmio buses
PKT_TYPE_TXRX_NOTIFY is an mmio-only event, but mt7921_rx_check() and mt7921_queue_rx_skb() dispatch it to mt7921_mac_tx_free() on every bus. mt7921_mac_tx_free() cleans the DMA tx queues with mt76_queue_tx_cleanup(), which calls queue_ops->tx_cleanup(). Only the mmio queue ops implement that callback; on USB and SDIO it is NULL, so a TXRX_NOTIFY there calls a NULL pointer in the RX worker: BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:0x0 Call Trace: mt7921_mac_tx_free+0x64/0x310 [mt7921_common] mt7921_rx_check+0x5f/0xf0 [mt7921_common] mt76u_rx_worker+0x1b9/0x620 [mt76_usb] Drop the event on non-mmio buses via mt76_is_mmio(), as in commit |
||
LiangCheng Wang
|
29ab31f3f2 |
wifi: brcmfmac: set F2 blocksize to 256 for BCM43752
The BCM43752 is not reliable with the default 512-byte SDIO function 2 block size: on an i.MX8MP board with an AMPAK AP6275S module at SDR104 / 200 MHz, an iperf TX stress test kills WLAN within seconds: mmc_submit_one: CMD53 sg block write failed -84 brcmf_sdio_dpc: failed backplane access over SDIO, halting operation Commit |
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Zhao Li
|
b24adfed83 |
wifi: cfg80211: guard optional PMSR nominal time
pmsr_parse_ftm() rejects a request that omits NOMINAL_TIME only for
non-trigger-based PD ranging. It then reads the attribute
unconditionally for every non-trigger-based request:
out->ftm.nominal_time =
nla_get_u32(tb[NL80211_PMSR_FTM_REQ_ATTR_NOMINAL_TIME]);
For the other non-trigger-based request types NOMINAL_TIME is optional,
so tb[...] can be NULL and nla_get_u32() dereferences a NULL pointer.
Keep the requirement for PD ranging and read the nominal-time value only
when the attribute is present.
Fixes:
|
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Johannes Berg
|
531f47495a |
wifi: iwlwif: fixes - 2026-07-21
This PR contains quite a few fixes, mostly found by LLMs. Notably: - missing validation of TLVs length - missing validation on the revision of BIOS tables - missing validation of fw responses length - protect against double free of RX pointers - avoid double deregistration of the tzone core - validate fields in FW responses before using them - fix off-by-one in WLAN_EID_EXT_CAPABILITY parsing - Add missing support for UNII-9 -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQM3A3Pv7vbm9vtjWbacY7uyt+OfQUCal9OxwAKCRDacY7uyt+O fWfkAQDb/MrxlM6sihTSHBQ+lrLPgp0JYTkSHYGI606/CFO4swD+PLcMPeDvUm1+ fIP1NybrXA3jVfmt4EEm6VVF1LL8bwI= =wkfs -----END PGP SIGNATURE----- Merge tag 'iwlwifi-fixes-2026-07-21' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next Miri Korenblit says: ==================== wifi: iwlwif: fixes - 2026-07-21 This PR contains quite a few fixes, mostly found by LLMs. Notably: - missing validation of TLVs length - missing validation on the revision of BIOS tables - missing validation of fw responses length - protect against double free of RX pointers - avoid double deregistration of the tzone core - validate fields in FW responses before using them - fix off-by-one in WLAN_EID_EXT_CAPABILITY parsing - Add missing support for UNII-9 ==================== Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
||
Ibrahim Hashimov
|
3dc723ac78 |
wifi: mac80211_hwsim: reject undersized HWSIM_ATTR_TX_INFO
hwsim_tx_info_frame_received_nl() casts the HWSIM_ATTR_TX_INFO payload to a struct hwsim_tx_rate * and unconditionally reads IEEE80211_TX_MAX_RATES entries (8 bytes) from it. The policy only bounds the attribute from above (NLA_BINARY .len is a maximum) and the op sets GENL_DONT_VALIDATE_STRICT, so a short or zero-length attribute is accepted and the loop reads past the payload. Require the exact length in the policy, so a malformed attribute is rejected before the handler runs. Signed-off-by: Ibrahim Hashimov <security@auditcode.ai> Assisted-by: AuditCode-AI:2026.07 Link: https://patch.msgid.link/20260721115346.17236-1-security@auditcode.ai Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
||
Fan Wu
|
43b25879f0 |
wifi: brcmfmac: drain bus_reset work on device removal
brcmf_fw_crashed() and the debugfs "reset" entry both schedule
drvr->bus_reset, whose callback recovers drvr through container_of()
and dereferences it. The removal path frees drvr (brcmf_free ->
wiphy_free) without draining the work, so a bus_reset callback pending
or running during removal can outlive drvr.
Cancellation cannot live in brcmf_detach() or brcmf_free(): the work
callback reaches teardown through the bus .reset op (PCIe
brcmf_pcie_reset -> brcmf_detach; SDIO brcmf_sdio_bus_reset ->
brcmf_sdiod_remove -> brcmf_free), so cancelling there would wait for
the running work and deadlock.
Add a per-bus mutex (bus_reset_lock) and route all arming through
brcmf_bus_schedule_reset(), which under the lock skips when the bus is
marked removing. Each bus remove entry calls
brcmf_bus_cancel_reset_work(), which under the same lock sets removing
and cancels the work. Holding the mutex across cancel_work_sync() makes
the set-removing + drain step atomic. Every producer reaches the arming
path from process context -- the PCIe firmware-halt notification runs in
the threaded IRQ handler (brcmf_pcie_isr_thread) and the SDIO hostmail
path runs from the data workqueue -- so the mutex is taken only in
sleepable contexts. Where applicable the remove entry first stops the
firmware-crash producer: on PCIe mask the mailbox and synchronize_irq;
on SDIO unregister the bus interrupt and cancel the data worker, which
also reports firmware halts through brcmf_fw_crashed(). The mutex is
initialized at bus allocation. The SDIO suspend power-off path frees
drvr through the same brcmf_sdiod_remove() and takes the same lock;
resume re-allows the work only on a successful re-probe.
Also guard brcmf_fw_crashed() against a NULL bus_if/drvr: it can fire
before brcmf_attach() wires up drvr, and it dereferences drvr
(bphy_err/brcmf_dev_coredump) before reaching the arming gate.
The bus_reset work is shared across buses, so the drain is applied to
every remove path: PCIe (the .reset op introduced by the Fixes commit),
SDIO (arms the same work through brcmf_fw_crashed()), and USB (via the
debugfs "reset" entry). cancel_work_sync() drains a running or pending
bus_reset work item before removal frees drvr, and patch 1/2 makes the
scratch-buffer release safe when reset teardown has already released
those DMA buffers.
This patch fixes the lifetime of the bus_reset work item itself. It does
not attempt to address the separate, pre-existing lifetime of the
asynchronous firmware completion started by the PCIe reset path. That
callback needs its own lifetime/ownership protocol and is being tracked
separately.
This issue was found by an in-house static analysis tool.
Fixes:
|
||
|
Fan Wu
|
538c51e9d1 |
wifi: brcmfmac: make release_scratchbuffers idempotent
brcmf_pcie_release_scratchbuffers() frees the shared.scratch and
shared.ringupd DMA buffers with dma_free_coherent() but does not clear
the pointers afterwards, unlike the sibling release_ringbuffers() which
NULLs commonrings/flowrings/idxbuf on release.
Both the bus_reset .reset callback (brcmf_pcie_reset) and
brcmf_pcie_remove() call release_scratchbuffers. When reset teardown
has run before removal, remove's own teardown would call
dma_free_coherent() a second time on the already-freed DMA allocation.
NULL the pointers after free, matching release_ringbuffers(), so a later
release observes that the allocation has already been released. This
patch makes repeated sequential release safe; the reset-work lifetime is
handled separately by the following patch.
This issue was found by an in-house static analysis tool.
Fixes:
|
||
Andrew Pope
|
a007a384c9 |
wifi: mac80211: recalculate TIM when a station enters power save
When an AP buffers frames for a station on its per-station TXQs and the
station subsequently enters power save, sta_ps_start() records the
buffered TIDs in txq_buffered_tids but does not update the TIM. The
station's TIM bit is only ever set when a further frame is buffered
while the station is already asleep
(ieee80211_tx_h_unicast_ps_buf() -> sta_info_recalc_tim()).
If no further downlink frame arrives for that station the beacon
TIM never advertises the buffered traffic. A station relying on the
TIM then remains in doze indefinitely on top of a non-empty queue. Its
TXQs were removed from the scheduler's active list at PS entry, nothing
pages it, and the flow deadlocks until an unrelated event wakes the
station.
Recalculate the TIM at the end of sta_ps_start(), so traffic
already buffered at PS entry is advertised immediately.
sta_info_recalc_tim() already consults txq_buffered_tids, which is
updated above, and is safe in this context (it is already called
from equivalent paths such as the tx handlers and
ieee80211_handle_filtered_frame()).
Fixes:
|
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Doruk Tan Ozturk
|
c3d68e294c |
wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper
mwifiex_tdls_add_ht_oper() gates its follow-the-AP-bandwidth path on
bss_desc->bcn_ht_cap being present, but then dereferences a different
pointer, bss_desc->bcn_ht_oper:
if (ISSUPP_CHANWIDTH40(priv->adapter->hw_dot_11n_dev_cap) &&
bss_desc->bcn_ht_cap &&
ISALLOWED_CHANWIDTH40(bss_desc->bcn_ht_oper->ht_param))
bcn_ht_cap and bcn_ht_oper are populated independently while parsing the
associated AP's beacon in mwifiex_update_bss_desc_with_ie(): an AP that
advertises an HT Capabilities element but no HT Operation element leaves
bcn_ht_cap non-NULL and bcn_ht_oper NULL. Setting up a TDLS link to a
peer while associated to such an AP then dereferences the NULL
bcn_ht_oper and crashes the kernel. Every other bcn_ht_oper user in the
driver NULL-checks it first.
Guard on the pointer that is actually dereferenced.
Found by 0sec automated security-research tooling (https://0sec.ai).
Fixes:
|
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Georgi Valkov
|
1cb5845a58 |
wifi: mwifiex: replace one-element arrays with flexible array members
Replace deprecated one-element arrays with flexible array members. CONFIG_FORTIFY_SOURCE reports the following warning when one-element arrays are used as variable-length buffers: sta_cmd.c:1033 mwifiex_sta_prepare_cmd memcpy: detected field-spanning write (size 84) of single field "domain->triplet" at .../marvell/mwifiex/sta_cmd.c:1033 (size 3) Convert affected structs to use flexible array members. - Preserve existing wire layouts. - Use DECLARE_FLEX_ARRAY() for structs inside affected unions. Tested-on: WRT3200ACM, OpenWrt Signed-off-by: Georgi Valkov <gvalkov@gmail.com> Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com> Link: https://patch.msgid.link/20260716001728.57799-1-gvalkov@gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
||
Huihui Huang
|
61a799ffd1 |
wifi: at76c50x-usb: avoid length underflow in at76_guess_freq()
at76_guess_freq() checks only that the received frame is at least a bare
802.11 header (24 bytes) before subtracting the fixed management-body
offset:
len -= el_off;
For both beacon and probe response frames, el_off is 36. If the frame is
shorter than el_off, subtracting it causes the calculated IE length to
wrap. The length is eventually passed to cfg80211_find_elem_match() as a
very large unsigned value, so the element walk runs beyond the RX skb.
This path is reached from at76_rx_tasklet() while scanning. If the device
delivers a truncated beacon or probe response, the oversized IE length
causes an out-of-bounds read during scanning.
Skip the IE lookup if the frame does not reach the variable elements,
before subtracting el_off.
Fixes:
|
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HE WEI (ギカク)
|
f0858bfc7d |
wifi: mwifiex: bound uAP association event IEs to the event buffer
mwifiex_process_uap_event() handles EVENT_UAP_STA_ASSOC by exposing the (re)association request IEs that the firmware copies into the event: sinfo->assoc_req_ies = &event->data[len]; len = (u8 *)sinfo->assoc_req_ies - (u8 *)&event->frame_control; sinfo->assoc_req_ies_len = le16_to_cpu(event->len) - (u16)len; event->len is supplied by the device firmware and is never validated, and the subtraction is unchecked. assoc_req_ies points into adapter->event_body[MAX_EVENT_SIZE], a fixed-size array embedded in the kmalloc()'d struct mwifiex_adapter. On the ap_11n_enabled path mwifiex_set_sta_ht_cap() walks these IEs with cfg80211_find_ie(), whose for_each_element() loop dereferences each element header. A firmware-reported event->len larger than the bytes actually received makes assoc_req_ies_len describe IEs that extend past event_body, so the walk reads out of the adapter slab object, a slab-out-of-bounds read (KASAN: slab-out-of-bounds in cfg80211_find_ie). An event->len smaller than the header instead makes the int subtraction negative, which wraps to a huge size_t when stored in assoc_req_ies_len. The same length is handed to cfg80211_new_sta(), so a more modest over-claim can also copy stale event_body bytes into the NL80211_CMD_NEW_STATION notification. A malicious or malfunctioning mwifiex device (USB/SDIO/PCIe) can deliver such an event while the interface is in AP/uAP mode. Validate event->len before use: reject a length that underflows the header or that would place the IEs outside the event_body[] buffer the event was copied into. event->len here is struct mwifiex_assoc_event.len, a payload field internal to this event, not the transport frame length, so it is validated in this handler rather than at the generic MWIFIEX_TYPE_EVENT receive path, which only sees the event cause and the transport frame length. The bound is against event_body[MAX_EVENT_SIZE] rather than the actually-received length because the transports store the event differently (USB and SDIO leave the 4-byte event header in event_skb, PCIe strips it via skb_pull), whereas event_body is the single fixed buffer all of them copy the event into. This is the event-path analogue of the receive-path bounds checks added in commit |
||
Benjamin Berg
|
0fe2d5be7a |
wifi: mac80211: copy aggregation information
This information can be considered part of the capabilities and should
also be copied to the NAN data station.
Fixes:
|
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|
Huihui Huang
|
4c4c97b60a |
wifi: wilc1000: validate assoc response length before subtracting header
wilc_parse_assoc_resp_info() computes the trailing IE length as
ies_len = buffer_len - sizeof(*res);
without first checking that buffer_len is at least sizeof(struct
wilc_assoc_resp) (6 bytes). buffer_len is the length reported for a
received association response (host_int_parse_assoc_resp_info() passes
hif_drv->assoc_resp / assoc_resp_info_len straight in) and must be
validated before the driver accesses the fixed header.
For a frame shorter than the 6-byte fixed header, the subtraction wraps.
For a four-byte response the result is truncated to a u16 ies_len of
65534, so kmemdup() then attempts to copy 65534 bytes starting at
buffer + sizeof(*res), beyond the valid association-response data
(CWE-125). A response shorter than four bytes can also cause an
out-of-bounds read of res->status_code at offsets 2 and 3.
Reject frames too short to hold the fixed header before touching the
header or computing ies_len. Also set the connection status to a failure
on this path: the caller falls through to a
"conn_info->status == WLAN_STATUS_SUCCESS" check after the parser
returns, so leaving the status untouched could let a malformed short
response be treated as a successful association.
Fixes:
|
||
|
Johannes Berg
|
b55a04ebb5 |
ath.git update for v7.2-rc4
The most significant change is to fix an ath12k regression which led to low MLO RX throughput on WCN7850. The remainder are an assortment of minor bug fixes spread across many of the ath drivers. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQ/mtSHzPUi16IfDEksFbugiYzLewUCalUE+AAKCRAsFbugiYzL e41eAQD9fk23dZo0OlT3lWl4AO2VmUECeXFZ0SqCGMQ828t07wEA1NF/1Nzyf7xV 6S4gOVCX+lX8lm9AISx8lBcA6llb5g8= =aNPp -----END PGP SIGNATURE----- Merge tag 'ath-current-20260713' of git://git.kernel.org/pub/scm/linux/kernel/git/ath/ath Jeff Johnson says: ================== ath.git update for v7.2-rc4 The most significant change is to fix an ath12k regression which led to low MLO RX throughput on WCN7850. The remainder are an assortment of minor bug fixes spread across many of the ath drivers. ================== Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
||
|
Georgi Valkov
|
121a96c5a0 |
wifi: mwifiex: fix freeze for 60 seconds caused by request_firmware
Fix regression in rgpower table loading, caused by using
request_firmware(): when the requested firmware does not exist, e.g.
nxp/rgpower_WW.bin does not exist on OpenWRT builds for WRT3200ACM,
request_firmware() falls back to firmware_fallback_sysfs(), which expects
the firmware to be provided by user space using SYSFS. No such utility is
provided in this configuration, so the entire system locks up for 60
seconds, until the request times out. During this time, no other log
messages are observed, and the device does not respond to commands over
UART.
The request_firmware() call is performed in the following context:
current->comm kworker/1:2 in_task 1 irqs_disabled 0 in_atomic 0
Fixed by using request_firmware_direct(). This prevents fallback to SYSFS,
and avoids delay. The rgpower table is optional. The driver falls back
to the device tree power table if the firmware is not present.
The error code is printed for debugging and returned to the caller,
which only cares for success or failure, so there are no side effects.
Fixes:
|
||
Xiang Mei
|
952c02b33f |
wifi: mac80211: tear down new links on vif update error path
When ieee80211_vif_update_links() adds new links it allocates a link container for each and calls ieee80211_link_init() (which registers the per-link debugfs files with file->private_data pointing into the container) and ieee80211_link_setup(). If the subsequent drv_change_vif_links() fails, the error path restores the old pointers and jumps to 'free', which frees the new containers but never removes their debugfs entries or stops the links. The debugfs files survive with file->private_data dangling at the freed container, so a later open()+read() (e.g. link-1/txpower) dereferences freed memory in ieee80211_if_read_link(), a use-after-free. The removal path already dismantles links correctly via ieee80211_tear_down_links(), which removes each link's keys and debugfs entries and calls ieee80211_link_stop(); the add path on the error branch does not. Commit |
||
Emmanuel Grumbach
|
d13d5d299c |
wifi: iwlwifi: validate SEC_RT TLV minimum size
Reject firmware section TLVs that are shorter than the offset field before subtracting sizeof(offset) from the section size. This prevents size underflow for malformed TLVs. Assisted-by: GitHubCopilot:GPT-5.3-Codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://patch.msgid.link/20260717173215.17b040b27edc.I6b32d1e9ad707417e2e604f08a63582456209372@changeid Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> |
||
|
Emmanuel Grumbach
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9ba1e0a406 |
wifi: iwlwifi: uefi: bound PPAG revision bitmap shift
Validate revision is below 32 before BIT(revision) in PPAG parsing. Assisted-by: GitHubCopilot:GPT-5.3-Codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://patch.msgid.link/20260717173215.d116dd2efdc1.I3c6cae5cb9d0acc2d94544bc755b0754a91b10ba@changeid Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> |
||
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Emmanuel Grumbach
|
954e821f42 |
wifi: iwlwifi: acpi: validate WGDS table revision index
Check tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when firmware reports an invalid revision value. Assisted-by: GitHubCopilot:GPT-5.3-Codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://patch.msgid.link/20260717173215.52a01f841f2a.Ic0131eaac31d9ff71b169138d9b0865cb39b44a9@changeid Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> |
||
|
Emmanuel Grumbach
|
856ab29632 |
wifi: iwlwifi: dbg-tlv: bound aligned TLV walk length
Validate ALIGN(tlv_len, 4) before advancing through external debug TLVs to prevent parser length underflow. Assisted-by: GitHubCopilot:GPT-5.3-Codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://patch.msgid.link/20260717173215.e08d6550c6ec.Iad64190a7d5cded553aff41973120396aef1b557@changeid Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> |
||
|
Emmanuel Grumbach
|
acad742714 |
wifi: iwlwifi: bound aligned TLV advance in FW parser
Validate ALIGN(tlv_len, 4) against remaining parser length before consuming bytes from the firmware image. This avoids length underflow on malformed TLVs. Assisted-by: GitHubCopilot:GPT-5.3-Codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://patch.msgid.link/20260717173215.393c286488f9.Ia39144dc3ca334325ee4eacb7420901e2446fc23@changeid Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> |
||
Linus Torvalds
|
e13caf1c26 |
Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth: bnxt_en: handle partially initialized auxiliary devices
- eth: ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth:
- bnxt_en: handle partially initialized auxiliary devices
- ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc"
* tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
llc: fix SAP refcount leak when creating incoming sockets
selftests: netconsole: only restore MAC when it changed on resume
bnxt_en: Handle partially initialized auxiliary devices
sctp: fix auth_hmacs array size in struct sctp_cookie
net/sched: act_tunnel_key: Defer dst_release to RCU callback
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
net/mlx5: free mlx5_st_idx_data on final dealloc
can: isotp: serialize TX state transitions under so->rx_lock
can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER
can: isotp: use unconditional synchronize_rcu() in isotp_release()
can: bcm: track a single source interface for ANYDEV timeout/throttle ops
can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()
can: bcm: fix stale rx/tx ops after device removal
can: bcm: add missing device refcount for CAN filter removal
can: bcm: validate frame length in bcm_rx_setup() for RTR replies
can: bcm: extend bcm_tx_lock usage for data and timer updates
can: bcm: add missing rcu list annotations and operations
can: bcm: fix CAN frame rx/tx statistics
...
|
||
|
Linus Torvalds
|
af5e34a41c |
Among the most important fixes that we have here, there are:
- the revert of the uclinux map driver which was presumably no longer
used but in fact was
- the use of SPI match data to get chip capabilities in the mchp23k256
driver
- several fixes addressing the newly introduced virt-concat support
- a missing build dependency on ndfc
There is as well the usual load (if not actually bigger than ususal) of
uninitialized variables, leaks, double free, and AI fuzzed issues being
fixed.
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Merge tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Among the most important fixes that we have here, there are:
- the revert of the uclinux map driver which was presumed to
be no longer used but in fact was
- the use of SPI match data to get chip capabilities in the
mchp23k256 driver
- several fixes addressing the newly introduced virt-concat
support
- a missing build dependency on ndfc
as well as the usual load (if not actually bigger than usual) of
uninitialized variables, leaks, double free, and AI fuzzed issues
being fixed"
* tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
Revert "mtd: maps: remove uclinux map driver"
mtd: onenand: samsung: report DMA completion timeouts
mtd: rawnand: fsl_ifc: return errors for failed page reads
mtd: mchp23k256: use SPI match data for chip caps
mtd: rawnand: lpc32xx_slc: fail DMA transfer on completion timeout
mtd: rawnand: lpc32xx_mlc: fail DMA transfers on timeout
mtd: fix double free and WARN_ON in add_mtd_device() error paths
mtd: virt-concat: free duplicate generated name
mtd: nand: mtk-ecc: stop on ECC idle timeouts
mtd: mtdswap: remove debugfs stats file on teardown
mtd: mtdpart: validate partition bounds in mtd_add_partition()
mtd: mtdpart: fix uninitialized erasesize on MTDPART_OFS_RETAIN error path
mtd: rawnand: ndfc: add CONFIG_OF dependency
mtd: spinand: initialize ret in regular page reads
mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy()
mtd: rawnand: ingenic: handle ECC clock enable failures
mtd: nand: ecc-mtk: handle ECC clock enable failures
mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins()
mtd: rawnand: ndfc: fix gcc uninitialized var
|
||
|
Linus Torvalds
|
45419d06c9 |
MMC core:
- Fix RPMB device unregister ordering
- Fix __counted_by handling in mmc_test
MMC host:
- mtk-sd: Document missing clocks for MT8189
- sdhci-esdhc-imx: Fix the support for system suspend/resume for SDIO
- sdhci-of-dwcmshc: Fix error handling for clock prepare/enable
- vub300: Fix lockdep issue for the cmd_mutex
- vub300: Fix use-after-free on probe failure
MEMSTICK:
- Reject a card that reports too many blocks
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Merge tag 'mmc-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix RPMB device unregister ordering
- Fix __counted_by handling in mmc_test
MMC host:
- mtk-sd: Document missing clocks for MT8189
- sdhci-esdhc-imx: Fix the support for system suspend/resume for SDIO
- sdhci-of-dwcmshc: Fix error handling for clock prepare/enable
- vub300:
- Fix lockdep issue for the cmd_mutex
- Fix use-after-free on probe failure
MEMSTICK:
- Reject a card that reports too many blocks"
* tag 'mmc-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-esdhc-imx: fix resume error handling
mmc: sdhci-esdhc-imx: make non-fatal errors non-blocking in suspend
mmc: sdhci-esdhc-imx: use pm_runtime_resume_and_get() in suspend
mmc: sdhci-esdhc-imx: disable irq during suspend to fix unhandled interrupt
mmc: sdhci-esdhc-imx: restore pinctrl before restoring ios timing on resume
mmc: sdhci-esdhc-imx: fix esdhc_change_pinstate() to allow default state restore
mmc: sdhci-esdhc-imx: restore DLL override for DDR modes on resume
mmc: sdhci-esdhc-imx: remove unnecessary mmc_card_wake_sdio_irq check for tuning save/restore
mmc: block: fix RPMB device unregister ordering
memstick: ms_block: reject a card that reports too many blocks
dt-bindings: mmc: mtk-sd: Document extra clocks for MT8189
mmc: vub300: defer reset until cmd_mutex is unlocked
mmc: vub300: fix use-after-free on probe failure
mmc: mmc_test: Fix __counted_by handling after kzalloc_flex() conversion
mmc: sdhci-of-dwcmshc: check bus clock enable result in the probe() method
|
||
|
Linus Torvalds
|
111e7b23e5 |
SoC fixes for 7.2
There are only three devicetree fixes this time: one critical memory
corruption fix for Renesas and three minor corrections for Tegra.
The MAINTAINERS file is updated for a new maintainer of the CIX platform
and two address changes.
The rest is all driver fixes, mostly firmware:
- multiple runtime issues in ARM SCMI and FF-A firmware code, dealing
with error handling for corner cases in firmware.
- multiple fixes for reset drivers, dealing with individual platform
specific mistakes and more error handling
- minor build and runtime fixes for the Tegra SoC drivers
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Merge tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"There are only three devicetree fixes this time: one critical memory
corruption fix for Renesas and three minor corrections for Tegra.
The MAINTAINERS file is updated for a new maintainer of the CIX
platform and two address changes.
The rest is all driver fixes, mostly firmware:
- multiple runtime issues in ARM SCMI and FF-A firmware code, dealing
with error handling for corner cases in firmware.
- multiple fixes for reset drivers, dealing with individual platform
specific mistakes and more error handling
- minor build and runtime fixes for the Tegra SoC drivers"
* tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: renesas: ironhide: Describe inline ECC carveouts
MAINTAINERS: Update maintainer and git tree for CIX SoC
ARM: Don't let ARMv5 platforms select USE_OF
MAINTAINERS: Update SpacemiT SoC git tree repository
firmware: arm_scmi: Rate-limit queue-full warnings in IRQ context
firmware: arm_scmi: Use 64-bit division for clock rate rounding
reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ
reset: sunxi: fix memory region leak on ioremap failure
dt-bindings: reset: altr: add COMBOPHY_RESET for Agilex5
reset: spacemit: k3: fix USB2 ahb reset
firmware: arm_scmi: Grammar s/may needed/may be needed/
firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()
firmware: arm_ffa: Respect firmware advertised RX/TX buffer size limits
arm64: tegra: Fix CPU1 node unit-address on Tegra264
arm64: tegra: Fix CPU compatible string to cortex-a78ae on Tegra234
MAINTAINERS: .mailmap: update Jens Wiklander's email address
soc/tegra: fuse: Fix spurious straps warning on SMCCC platforms
soc/tegra: pmc: fix #ifdef block in header
drm/tegra: Fix a strange error handling path
arm64: tegra: Remove fallback compatible for GPCDMA
|
||
|
Linus Torvalds
|
6917aa7767 |
powerpc fixes for 7.2 #2
- Enable CONFIG_VPA_PMU to be used with KVM - Initialize starttime at boot for native accounting - Set CPU_FTR_P11_PVR for Power11 and later processors - fix memory leak on krealloc failure in papr_init - Misc fixes and cleanups Thanks to: Amit Machhiwal, Christophe Leroy (CS GROUP), Ethan Nelson-Moore, Gautam Menghani, Harsh Prateek Bora, Junrui Luo, Mukesh Kumar Chaurasiya (IBM), Ritesh Harjani (IBM), Rosen Penev, Shrikanth Hegde, Thorsten Blum, Yuhao Jiang -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmpZtKcACgkQpnEsdPSH ZJSzpxAAvEWlybs7IZWdkZA74GCb1LXXElqANbhUpkl/bNuV2LDaxb5v63FIhTuu tqFISwJ86+wodsKH6vyMk1dGGxbphXl4AOUcNQVRlA6C4EWJBiMtukhn6AFmi294 crEXLCY91w5a5ftvu2Bvvn6DaJwCmjxzDw3pZ9MWDgwe3drKtb9/HPyC3IKSFAWo f00sw7r9WqBxnvJaHzPi+NpUdTP/DB86TzH9IKxq7jQtGainj978Ghy9KIm68Eb+ kqET9ecytynNw0wSbIn2O1WXSw9Axg038bwoIXnpUc6MSmSLrgTeFuEuugcyH1cJ yor/FHeeImfGTaUgtjjJr1yRgRHe7TC1PiHjgKk4dko6X9PXiP+6kxyY+kQGGTqx +e2R1lXC1YS/V1fGOd2yEep/7ThrCto6wCKqwg45B/la9tjUfwb8oGfR0SVTT2ZS u1j3z154bz8sv3a2H3Dx5tslDeSPPCcA1sElTT9Ir+/ppZZjt2gzGAPFCb0OSOAA WyjmK9bM0Fp//jL+PpARBSsfQmvqnllgKqBLTZ0Y/btnJPMra7ptalkhs/Dtx8W1 8IkLc56C/s5nPaU0BcF/LtJfLENETzq/EPV1YRiNDHykALp3yFOaOk0CJtEteLk4 mmWbb9P7SbsmEijXtDptt62Lv0YWSoS5OCRfOLHV/Q4VYd1JN+w= =jI4x -----END PGP SIGNATURE----- Merge tag 'powerpc-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Madhavan Srinivasan: - Enable CONFIG_VPA_PMU to be used with KVM - Initialize starttime at boot for native accounting - Set CPU_FTR_P11_PVR for Power11 and later processors - fix memory leak on krealloc failure in papr_init - Misc fixes and cleanups Thanks to Amit Machhiwal, Christophe Leroy (CS GROUP), Ethan Nelson-Moore, Gautam Menghani, Harsh Prateek Bora, Junrui Luo, Mukesh Kumar Chaurasiya (IBM), Ritesh Harjani (IBM), Rosen Penev, Shrikanth Hegde, Thorsten Blum, and Yuhao Jiang * tag 'powerpc-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Remove dead non-preemption code powerpc/dt_cpu_ftrs: Set CPU_FTR_P11_PVR for Power11 and later processors powerpc/pseries: fix memory leak on krealloc failure in papr_init powerpc/uaccess: correct check for CONFIG_PPC_E500 in mask_user_address() powerpc/vtime: Initialize starttime at boot for native accounting powerpc/85xx: Add fsl,ifc to common device ids powerpc/spufs: fix out-of-bounds access in spufs_mem_mmap_access() powerpc/pseries/Kconfig: Enable CONFIG_VPA_PMU to be used with KVM |
||
Weiming Shi
|
56d96feded |
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
On CONFIG_INET=n builds, mpls_valid_fib_dump_req() walks the parsed
attribute table itself instead of calling ip_valid_fib_dump_req(). The
RTA_OIF arm passes tb[RTA_OIF] to nla_get_u32() without checking it is
present, so an RTM_GETROUTE dump for AF_MPLS with strict checking and no
RTA_OIF hits a NULL dereference.
RTM_GETROUTE is RTNL_KIND_GET, which rtnetlink_rcv_msg() permits without
CAP_NET_ADMIN, so an unprivileged user can trigger it.
Oops: general protection fault, probably for non-canonical address
0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:mpls_valid_fib_dump_req (net/mpls/af_mpls.c:2189)
Call Trace:
mpls_dump_routes (net/mpls/af_mpls.c:2236)
netlink_dump (net/netlink/af_netlink.c:2331)
__netlink_dump_start (net/netlink/af_netlink.c:2446)
rtnetlink_rcv_msg (net/core/rtnetlink.c:7033)
netlink_rcv_skb (net/netlink/af_netlink.c:2556)
netlink_unicast (net/netlink/af_netlink.c:1345)
netlink_sendmsg (net/netlink/af_netlink.c:1900)
__sock_sendmsg (net/socket.c:790)
____sys_sendmsg (net/socket.c:2684)
___sys_sendmsg (net/socket.c:2738)
__sys_sendmsg (net/socket.c:2770)
do_syscall_64 (arch/x86/entry/syscall_64.c:94)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
Skip unset attributes, as ip_valid_fib_dump_req() does.
Fixes:
|
||
Xuanqiang Luo
|
2c72eb6286 |
llc: fix SAP refcount leak when creating incoming sockets
llc_sap_add_socket() takes a SAP reference for each socket added to a SAP, and llc_sap_remove_socket() releases it. llc_create_incoming_sock() takes an additional SAP reference after adding the child socket. This extra reference was balanced by an explicit llc_sap_put() in llc_ui_release() until commit |
||
Andre Carvalho
|
04aeddf2da |
selftests: netconsole: only restore MAC when it changed on resume
The "mac" bind mode reactivation downs the interface, restores the saved
MAC and renames it to trigger a target resume. This assumes the recreated
interface comes back with a different MAC, which is true under
MACAddressPolicy=none (as on the Netdev CI) but not when MACs are
persistent. In the persistent case netconsole resumes the target on its
own, and the down/restore/rename flow instead drops it and fails the test.
Guard the block on the MAC having actually changed so the test passes
under both policies.
Fixes:
|
||
|
Ruoyu Wang
|
1cb8553c02 |
bnxt_en: Handle partially initialized auxiliary devices
bnxt_aux_devices_init() calls auxiliary_device_init() before all fields
used by bnxt_aux_dev_release() are initialized. After
auxiliary_device_init() succeeds, later errors must unwind with
auxiliary_device_uninit(), which invokes the release callback.
The release callback assumes that aux_priv->id, aux_priv->edev,
edev->net and edev->ulp_tbl are all populated. If allocation fails
after auxiliary_device_init(), the release path can otherwise dereference
or clear partially initialized state.
Allocate and attach the bnxt_en_dev and ULP table before calling
auxiliary_device_init(), so the release callback only sees a fully
initialized auxiliary private object. If auxiliary_device_init() itself
fails, free those allocations directly because device_initialize() has not
run and the release callback will not be invoked.
This issue was found by a static analysis checker and confirmed by manual
source review.
Fixes:
|
||
Xin Long
|
e0b5252a59 |
sctp: fix auth_hmacs array size in struct sctp_cookie
The auth_hmacs array in struct sctp_cookie is supposed to store a complete
SCTP_AUTH_HMAC_ALGO parameter, which consists of a struct sctp_paramhdr
followed by N HMAC identifiers.
However, the array size was calculated using an extra 2 bytes instead of
sizeof(struct sctp_paramhdr), which is 4 bytes. When four HMAC identifiers
are configured, the HMAC-ALGO parameter stored in the endpoint is larger
than the auth_hmacs buffer in the cookie.
As a result, sctp_association_init() copies beyond the end of auth_hmacs
when initializing the association, corrupting the adjacent auth_chunks
field. This can lead to an invalid HMAC identifier being accepted and later
cause an out-of-bounds read in sctp_auth_get_hmac().
Fix the array size calculation by including the full SCTP parameter header
size.
Fixes:
|
||
Jamal Hadi Salim
|
f1f5c8a395 |
net/sched: act_tunnel_key: Defer dst_release to RCU callback
Fix a race-condition use-after-free in tunnel_key_release_params().
The function releases the metadata_dst of the old params synchronously
via dst_release() while deferring the params struct free with
kfree_rcu(). A concurrent tunnel_key_act() reader on the datapath may
still hold the old params pointer (under rcu_read_lock_bh) and proceed
to call dst_clone(¶ms->tcft_enc_metadata->dst) after the writer's
dst_release has already pushed the dst's rcuref to RCUREF_DEAD.
zdi-disclosures@trendmicro.com produced a poc which i (and Victor) verified
that KASAN reports:
==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:112
BUG: KASAN: slab-use-after-free in atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326
BUG: KASAN: slab-use-after-free in __rcuref_put include/linux/rcuref.h:109
BUG: KASAN: slab-use-after-free in rcuref_put include/linux/rcuref.h:173
BUG: KASAN: slab-use-after-free in dst_release+0x5b/0x370 net/core/dst.c:168
Write of size 4 at addr ffff88806158de40 by task poc/9388
CPU: 0 UID: 0 PID: 9388 Comm: poc Tainted: G W 7.1.0-rc7 #7 PREEMPT(lazy)
Tainted: [W]=WARN
Hardware name: QEMU Ubuntu 25.10 PC v2 (i440FX + PIIX, + 10.1 machine, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378
print_report+0x139/0x4ad mm/kasan/report.c:482
kasan_report+0xe4/0x1d0 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:186
kasan_check_range+0x125/0x200 mm/kasan/generic.c:200
instrument_atomic_read_write include/linux/instrumented.h:112
atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326
__rcuref_put include/linux/rcuref.h:109
rcuref_put include/linux/rcuref.h:173
dst_release+0x5b/0x370 net/core/dst.c:168
refdst_drop include/net/dst.h:272
skb_dst_drop include/net/dst.h:284
skb_release_head_state+0x293/0x400 net/core/skbuff.c:1163
skb_release_all net/core/skbuff.c:1187
[..]
Allocated by task 9391:
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398
__kasan_kmalloc+0x9a/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263
__do_kmalloc_node mm/slub.c:5296
__kmalloc_noprof+0x2f1/0x830 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954
kzalloc_noprof include/linux/slab.h:1188
offload_action_alloc+0x2f/0x130 net/core/flow_offload.c:35
tcf_action_offload_add_ex+0x1ba/0x880 net/sched/act_api.c:258
tcf_action_offload_add net/sched/act_api.c:293
tcf_action_init+0x66e/0xa20 net/sched/act_api.c:1547
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
[..]
Freed by task 9391:
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253
__kasan_slab_free+0x6b/0x90 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235
slab_free_hook mm/slub.c:2689
slab_free mm/slub.c:6251
kfree+0x21f/0x6b0 mm/slub.c:6566
tcf_action_offload_add_ex+0x4ad/0x880 net/sched/act_api.c:284
tcf_action_offload_add net/sched/act_api.c:293
tcf_action_init+0x66e/0xa20 net/sched/act_api.c:1547
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
The buggy address belongs to the object at ffff88806158de00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 64 bytes inside of
freed 256-byte region [ffff88806158de00, ffff88806158df00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806158d600 pfn:0x6158c
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000240 ffff88801c841b40 ffffea0001856290 ffffea0001856190
raw: ffff88806158d600 0000000800100009 00000000f5000000 0000000000000000
head: 04fff00000000240 ffff88801c841b40 ffffea0001856290 ffffea0001856190
head: ffff88806158d600 0000000800100009 00000000f5000000 0000000000000000
head: 04fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 9391, tgid 9378 (poc), ts 123227323196, free_ts 0
set_page_owner include/linux/page_owner.h:32
post_alloc_hook+0xfe/0x140 mm/page_alloc.c:1853
prep_new_page mm/page_alloc.c:1861
get_page_from_freelist+0x110c/0x2fc0 mm/page_alloc.c:3941
__alloc_frozen_pages_noprof+0x263/0x2bc0 mm/page_alloc.c:5221
alloc_slab_page mm/slub.c:3278
allocate_slab mm/slub.c:3467
new_slab+0xa6/0x690 mm/slub.c:3525
refill_objects+0x271/0x420 mm/slub.c:7272
refill_sheaf mm/slub.c:2816
__pcs_replace_empty_main+0x373/0x630 mm/slub.c:4652
alloc_from_pcs mm/slub.c:4750
slab_alloc_node mm/slub.c:4884
__do_kmalloc_node mm/slub.c:5295
__kmalloc_noprof+0x66d/0x830 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954
metadata_dst_alloc+0x26/0x90 net/core/dst.c:298
tun_rx_dst include/net/dst_metadata.h:144
__ip_tun_set_dst include/net/dst_metadata.h:208
tunnel_key_init+0xb01/0x1b90 net/sched/act_tunnel_key.c:451
tcf_action_init_1+0x46b/0x6c0 net/sched/act_api.c:1428
tcf_action_init+0x448/0xa20 net/sched/act_api.c:1503
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
[..]
==================================================================
Fix by moving dst_release() into a custom RCU callback that runs
after the grace period, matching the lifetime of the containing
params struct. Readers in the datapath therefore always find a live
rcuref when calling dst_clone().
Fixes:
|
||
Ivan Vecera
|
d2e914a4a0 |
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
When a dpll_pin is shared across multiple dpll_device instances and
those devices are being unregistered (e.g. during driver module removal),
a NULL pointer dereference can occur in dpll_msg_add_pin_ref_sync().
This happens under the following conditions:
- A pin is registered with two or more dpll devices (dpll_A, dpll_B)
- The pin has ref_sync pairs with other pins
- During unregistration of dpll_A's pins, a ref_sync partner pin is
unregistered first, removing it from dpll_A->pin_refs
- But since the partner pin is still registered with dpll_B, its
dpll_refs is not empty, so dpll_pin_ref_sync_pair_del() does NOT
run and the partner stays in the pin's ref_sync_pins xarray
- When the pin itself is then unregistered from dpll_A, the delete
notification calls dpll_msg_add_pin_ref_sync() which finds the
partner in ref_sync_pins, passes dpll_pin_available() (partner is
still registered with dpll_B), but dpll_pin_on_dpll_priv(dpll_A,
partner) returns NULL because partner was already removed from
dpll_A->pin_refs
- The NULL priv pointer is passed to the driver's ref_sync_get
callback, which dereferences it
BUG: kernel NULL pointer dereference, address: 0000000000000034
Oops: Oops: 0000 [#1] SMP NOPTI
RIP: 0010:zl3073x_dpll_input_pin_ref_sync_get+0x73/0x80 [zl3073x]
Call Trace:
dpll_msg_add_pin_ref_sync+0xb8/0x200
dpll_cmd_pin_get_one+0x3b6/0x4b0
dpll_pin_event_send+0x72/0x140
__dpll_pin_unregister+0x5a/0x2b0
dpll_pin_unregister+0x49/0x70
Fix this by skipping ref_sync pins whose priv pointer cannot be resolved
for the current dpll device.
Fixes:
|
||
Eric Dumazet
|
2c1931a811 |
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
Release the TIME_WAIT socket reference and jump to discard_it
upon PSP policy failure in both IPv4 and IPv6 receive paths.
This prevents a memory leak of tcp_tw_bucket structures.
Fixes:
|
||
Zhiping Zhang
|
df6134b527 |
net/mlx5: free mlx5_st_idx_data on final dealloc
Workloads that repeatedly allocate and release mkeys carrying TPH
steering-tag hints (e.g. churning RDMA MRs) leak one
struct mlx5_st_idx_data per cycle; kmemleak flags it as unreferenced
and the kmalloc slab grows over time.
When the last reference to an ST table entry is dropped,
mlx5_st_dealloc_index() removed the entry from idx_xa but the backing
mlx5_st_idx_data allocation was never freed.
Free idx_data after the xa_erase() so the lifetime of the bookkeeping
struct matches the lifetime of the ST entry it tracks.
Cc: stable@vger.kernel.org
Fixes:
|
||
Paolo Abeni
|
892d3087c4 |
linux-can-fixes-for-7.2-20260716
-----BEGIN PGP SIGNATURE----- iIkEABYKADEWIQSl+MghEFFAdY3pYJLMOmT6rpmt0gUCaljFDxMcbWtsQHBlbmd1 dHJvbml4LmRlAAoJEMw6ZPquma3ScvEBAMN4/7N+Es+yBfeHYu2A+6b+5qeW+4Px WtxSffc9OxxtAP9H/UhgxnZdzgCalXipwZGjwSKgm87vPU8H1GDKlX3LBw== =EJTl -----END PGP SIGNATURE----- Merge tag 'linux-can-fixes-for-7.2-20260716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2026-07-16 this is a pull request of 19 patches for net/main. The first patch is by Alexander Hölzl and fixes the Kconfig description of the vxcan driver. Next patch by Fan Wu fixes the tear down order in the esd_usb driver. Followed by a patch by Oliver Hartkopp that adds missing locking for the raw flags in the CAN_RAW protocol. Shuhao Fu's patch for the j1939 protocol fix lockless local-destination check. Stéphane Grosjean updates their email address. The next 11 patches all target the CAM Broadcast Manager protocol. One contributed by Lee Jones the remaining ones by Oliver Hartkopp. They fix several concurrency and locking issues found by various bots. The last 3 patches are also by Oliver Hartkopp fixing concurrency and locking issues found by various bots in the CAN ISO Transport Protocol. linux-can-fixes-for-7.2-20260716 * tag 'linux-can-fixes-for-7.2-20260716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can: can: isotp: serialize TX state transitions under so->rx_lock can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER can: isotp: use unconditional synchronize_rcu() in isotp_release() can: bcm: track a single source interface for ANYDEV timeout/throttle ops can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler() can: bcm: fix stale rx/tx ops after device removal can: bcm: add missing device refcount for CAN filter removal can: bcm: validate frame length in bcm_rx_setup() for RTR replies can: bcm: extend bcm_tx_lock usage for data and timer updates can: bcm: add missing rcu list annotations and operations can: bcm: fix CAN frame rx/tx statistics can: bcm: add locking when updating filter and timer values can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF can: peak: Modification of references to email accounts being deleted can: j1939: fix lockless local-destination check can: raw: add locking for raw flags bitfield can: esd_usb: kill anchored URBs before freeing netdevs can: vxcan: Kconfig: fix description stating no local echo provided ==================== Link: https://patch.msgid.link/20260716155528.809908-1-mkl@pengutronix.de Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Paolo Abeni
|
78d24e77ff |
bluetooth pull request for net:
- hci_sync: hold hdev->lock for hci_conn_params lookups - hci_sync: extend conn_hash lookup critical sections - hci_qca: Clear memdump state on invalid dump size - MGMT: revalidate LOAD_CONN_PARAM queued update - MGMT: Translate HCI reason in Device Disconnected event - MGMT: fix locking in unpair_device/disconnect_sync - MGMT: hold reference for hci_conn in mgmt_pending_cmds - btrtl: validate firmware patch bounds - qca: fix NVM tag length underflow in TLV parser -----BEGIN PGP SIGNATURE----- iQJNBAABCgA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmpU86UZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKaNFD/9lG5OnZ0tBecNUImmQkAkP vcLvS/3/IxIot19VFr16qm1PIcqsUwgKFBrh8SD71IgSsIVJ2CrQNvSbRpDCEM3p WmOGraN8e799S3MtJ/nzYwZBmYFIVOcBgqg1ctYMFr6RGjzfbGnF2c5pX/vyzFWq PVfpCQPaRV0PaSlrtvvVWiPfheG07C8qAW8h1NPudHebObO4xO0J4aKqeulpn/5/ G885l9L5q/+P/gU3zpi7dAulJ+EbX8feHh9tvATPSusySZWgFuTAaDxsS68jBThr BAtyHFntB3Fz7Bic8IifMPgFHncnvZssi5s3CGZGauo0sWAn8CkDN+wkJjaN48/Y 6UfKO5puYF6geDDu97WCjdQnxnFIgcLue4BhlZdTo+yx6XKEbTV52kghrM6E1lP4 dBPepdjt3qQDIi3SZSKLb8hq1ml8BUnmXH/f3FIvOP/YTSe3ekqmo6zFf5tMUeYW q31t0rtKvh1oNGzwlfzz00GB/aY/s2tJQhUpboBopvFBZZCjK60hVWqQh45Xrvwi /y7Dnqjv+7wIwTtCkMyKcmznTLEIuaWwYNcvEwfhl137Oa8maqRaX19B4kqLbX/L 4K6VLZyscNqg7zAMHw6SZECGYVLEK1jJAlpXg4MnMKQ7t4GU5sLqk91/SRPrFbsO OECMsLTqGN0btRbxSq3lAw== =t/FR -----END PGP SIGNATURE----- Merge tag 'for-net-2026-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - hci_sync: hold hdev->lock for hci_conn_params lookups - hci_sync: extend conn_hash lookup critical sections - hci_qca: Clear memdump state on invalid dump size - MGMT: revalidate LOAD_CONN_PARAM queued update - MGMT: Translate HCI reason in Device Disconnected event - MGMT: fix locking in unpair_device/disconnect_sync - MGMT: hold reference for hci_conn in mgmt_pending_cmds - btrtl: validate firmware patch bounds - qca: fix NVM tag length underflow in TLV parser * tag 'for-net-2026-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: mgmt: Translate HCI reason in Device Disconnected event Bluetooth: hci_qca: Clear memdump state on invalid dump size Bluetooth: hci_sync: hold hdev->lock for hci_conn_params lookups Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync Bluetooth: hci_sync: extend conn_hash lookup critical sections Bluetooth: btrtl: validate firmware patch bounds Bluetooth: MGMT: revalidate LOAD_CONN_PARAM queued update Bluetooth: qca: fix NVM tag length underflow in TLV parser ==================== Link: https://patch.msgid.link/20260713141940.954317-1-luiz.dentz@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Paolo Abeni
|
bc7291793f |
netfilter pull request nf-26-07-10
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||
|
Linus Torvalds
|
fce2dfa773 |
ten client fixes
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||
|
Linus Torvalds
|
481ed5dd3e |
Landlock fix for v7.2-rc4
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCalkmfRAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSEScA/0ulphDJlXSqY1pEVlnBevE4IefLi7gnjfAj vH0N8fVfAP91GUMSwhj/i308G2pO4Uh+gJykCUqQjoVyf3I5KKm4AA== =lyOn -----END PGP SIGNATURE----- Merge tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "This fixes TCP Fast Open support, specific test environments, and doc warnings" * tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/landlock: Skip scoped_signal subtest with MSG_OOB if not available selftests/landlock: Fix screwed up pointers in the scoped_signal_test landlock: Update formatting landlock: Fix kernel-doc for the nested quiet layer flag selftests/landlock: Add test for TCP fast open landlock: Fix TCP Fast Open connection bypass |
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Emmanuel Grumbach
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a426d3227c |
wifi: iwlwifi: adapt ND match notif sizing to fixed matches array
Switch iwl_scan_offload_match_info::matches to a fixed-size array and adjust D3 netdetect size handling accordingly. In MVM D3 paths, compute expected payload size as offsetof(struct iwl_scan_offload_match_info, matches) + matches_len to preserve previous behavior after the struct layout change. In MLD D3 netdetect handling, keep the simple full-notification size assumption and validate against sizeof(*notif) before accessing data. This keeps scan offload / netdetect functionality unchanged while making length checks consistent with the new struct definition. Assisted-by: GitHubCopilot:gpt-5.3-codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20260715215523.4c4346140bcc.I44313ac41daca352e6aecdba09a1c3570c3eea06@changeid |
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Emmanuel Grumbach
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0cb5260a10 |
wifi: iwlwifi: mvm: fix a possible underflow
We shouldn't trust the firmware about the length of the wowlan packet. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20260715215523.fbd989cc85e2.If68de403bfa4943732c025961154c20b01b09e83@changeid |
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Avraham Stern
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8cb6c719fa |
wifi: iwlwifi: mvm: copy the correct TK length for ranging
When setting the TK for ranging with an associated peer, 32 bytes of TK are copied from the vif key without verifying the actual key length which may be only 16 bytes if CCMP-128 is used. Fix it by setting the copy length according to the key cipher. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20260715215523.e339570086bd.Iafff5aaf0e25f7d29e06f0ef456107c4062bbc7d@changeid |
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Emmanuel Grumbach
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0e4c0d8326 |
wifi: iwlwifi: mvm: add a check on the tid coming from the firmware
ba_notif->tid is a firmware-controlled u8 that is used directly as an array index into tid_data[] without any validation. Add a bounds check against IWL_MAX_TID_COUNT before dereferencing the array. Assisted-by: GitHubCopilot:gpt-5.3-codex Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20260715215523.d7c3e75d47af.If88948108cfc8b5fb3ce5531d927855d1b3b6b30@changeid |