Add a quirk flag to skip the usb_set_interface(),
snd_usb_init_pitch(), and snd_usb_init_sample_rate() calls in
__snd_usb_parse_audio_interface(). These are redundant with
snd_usb_endpoint_prepare() at stream-open time.
Enable the quirk for Focusrite devices, as init_sample_rate(rate_max)
sets 192kHz during probing, which disables the internal mixer and Air
and Safe modes.
Fixes: 16f1f83844 ("Revert "ALSA: usb-audio: Drop superfluous interface setup at parsing"")
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/65a7909b15f9feb76c2a6f4f8814c240ddc50737.1771594828.git.g@b4.vu
Remove QUIRK_FLAG_VALIDATE_RATES for Focusrite. With the previous
commit, focusrite_valid_sample_rate() produces correct rate tables
without USB probing.
QUIRK_FLAG_VALIDATE_RATES sends SET_CUR requests for each rate (~25ms
each) and leaves the device at 192kHz. This is a problem because that
rate: 1) disables the internal mixer, so outputs are silent until an
application opens the PCM and sets a lower rate, and 2) the Air and
Safe modes get disabled.
Fixes: 5963e52621 ("ALSA: usb-audio: Enable rate validation for Scarlett devices")
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/09b9c012024c998c4ca14bd876ef0dce0d0b6101.1771594828.git.g@b4.vu
Replace the bLength == 10 max_rate check in
focusrite_valid_sample_rate() with filtering that also examines the
bmControls VAL_ALT_SETTINGS bit.
When VAL_ALT_SETTINGS is readable, the device uses strict
per-altsetting rate filtering (only the highest rate pair for that
altsetting is valid). When it is not readable, all rates up to
max_rate are valid.
For devices without the bLength == 10 Format Type descriptor extension
but with VAL_ALT_SETTINGS readable and multiple altsettings (only seen
in Scarlett 18i8 3rd Gen playback), fall back to the Focusrite
convention: alt 1 = 48kHz, alt 2 = 96kHz, alt 3 = 192kHz.
This produces correct rate tables for all tested Focusrite devices
(all Scarlett 2nd, 3rd, and 4th Gen, Clarett+, and Vocaster) using
only USB descriptors, allowing QUIRK_FLAG_VALIDATE_RATES to be removed
for Focusrite in the next commit.
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/7e18c1f393a6ecb6fc75dd867a2c4dbe135e3e22.1771594828.git.g@b4.vu
Similar to other Samsung laptops, NT950QCT also requires the
ALC298_FIXUP_SAMSUNG_AMP quirk applied.
Cc: <stable@vger.kernel.org>
Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>
Link: https://patch.msgid.link/20260222122609.281191-2-qkrwngud825@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The Acer Aspire V3-572G has a combo jack (ALC283) but the BIOS
sets pin 0x19 to 0x411111f0 (not connected), so the headset mic
is not detected.
Add a quirk to override pin 0x19 as a headset mic and enable
headset mode.
Cc: stable@vger.kernel.org
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221075
Suggested-by: Charalampos Mitrodimas <charmitro@posteo.net>
Signed-off-by: Panagiotis Foliadis <pfoliadis@posteo.net>
Reviewed-by: Charalampos Mitrodimas <charmitro@posteo.net>
Link: https://patch.msgid.link/20260221-fix-detect-mic-v1-1-b6e427b5275d@posteo.net
Signed-off-by: Takashi Iwai <tiwai@suse.de>
scarlett2_add_dsp_ctls() was incorrectly storing the precomp and PEQ
filter coefficient control pointers into the precomp_flt_switch_ctls
and peq_flt_switch_ctls arrays instead of the intended targets
precomp_flt_ctls and peq_flt_ctls. Pass NULL instead, as the filter
coefficient control pointers are not used, and remove the unused
precomp_flt_ctls and peq_flt_ctls arrays from struct scarlett2_data.
Additionally, scarlett2_update_filter_values() was reading
dsp_input_count * peq_flt_count values for
SCARLETT2_CONFIG_PEQ_FLT_SWITCH, but the peq_flt_switch array is
indexed only by dsp_input_count (one switch per DSP input, not per
filter). Fix the read count.
Fixes: b64678eb4e ("ALSA: scarlett2: Add DSP controls")
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://patch.msgid.link/86497b71db060677d97c38a6ce5f89bb3b25361b.1771581197.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On Star Labs StarFighter (Realtek ALC233/235), the internal speakers can
emit an audible pop when entering or leaving runtime suspend.
Mute the speaker output paths via snd_hda_gen_shutup_speakers() in the
Realtek shutup callback before the codec is powered down.
This is enough to avoid the pop without special EAPD handling.
Test results:
- runtime PM pop fixed
- still reaches D3 (PCI 0000:00:1f.3 power_state=D3hot)
- does not address pops on cold boot (G3 exit) or around display manager
start/shutdown
journalctl -k (boot):
- snd_hda_codec_alc269 hdaudioC0D0: ALC233: picked fixup for PCI SSID
7017:2014
- snd_hda_codec_alc269 hdaudioC0D0: autoconfig for ALC233: line_outs=1
(0x1b/0x0/0x0/0x0/0x0) type:speaker
Suggested-by: Takashi Iwai <tiwai@suse.com>
Tested-by: Sean Rhodes <sean@starlabs.systems>
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Link: https://patch.msgid.link/4d5fb71b132bb283fd41c622b8413770b2065242.1771532060.git.sean@starlabs.systems
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Currently, mac80211 only initializes default WMM parameters
on the deflink during do_open(). For MLO cases, this
leaves the additional links without proper WMM defaults
if hostapd does not supply per-link WMM parameters, leading
to inconsistent QoS behavior across links.
Set default WMM parameters for each link during
ieee80211_vif_update_links(), because this ensures all
individual links in an MLD have valid WMM settings during
bring-up and behave consistently across different BSS.
Signed-off-by: Ramanathan Choodamani <quic_rchoodam@quicinc.com>
Signed-off-by: Aishwarya R <aishwarya.r@oss.qualcomm.com>
Link: https://patch.msgid.link/20260205094216.3093542-1-aishwarya.r@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The lbs_free_adapter() function uses timer_delete() (non-synchronous)
for both command_timer and tx_lockup_timer before the structure is
freed. This is incorrect because timer_delete() does not wait for
any running timer callback to complete.
If a timer callback is executing when lbs_free_adapter() is called,
the callback will access freed memory since lbs_cfg_free() frees the
containing structure immediately after lbs_free_adapter() returns.
Both timer callbacks (lbs_cmd_timeout_handler and lbs_tx_lockup_handler)
access priv->driver_lock, priv->cur_cmd, priv->dev, and other fields,
which would all be use-after-free violations.
Use timer_delete_sync() instead to ensure any running timer callback
has completed before returning.
This bug was introduced in commit 8f641d93c3 ("libertas: detect TX
lockups and reset hardware") where del_timer() was used instead of
del_timer_sync() in the cleanup path. The command_timer has had the
same issue since the driver was first written.
Fixes: 8f641d93c3 ("libertas: detect TX lockups and reset hardware")
Fixes: 954ee164f4 ("[PATCH] libertas: reorganize and simplify init sequence")
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Hodges <git@danielhodges.dev>
Link: https://patch.msgid.link/20260206195356.15647-1-git@danielhodges.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
dev_alloc_name() returns the allocated ID on success, which could be
over 0.
Fix the return value check to check for negative error codes.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/aYmsQfujoAe5qO02@stanley.mountain/
Fixes: 7bab5bdb81 ("wifi: mwifiex: Allocate dev name earlier for interface workqueue name")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260210100337.1131279-1-wenst@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When probe of the sdio brcmfmac device fails for some reasons (i.e.
missing firmware), the sdiodev->bus is set to error instead of NULL, thus
the cleanup later in brcmf_sdio_remove() tries to free resources via
invalid bus pointer. This happens because sdiodev->bus is set 2 times:
first in brcmf_sdio_probe() and second time in brcmf_sdiod_probe(). Fix
this by chaning the brcmf_sdio_probe() function to return the error code
and set sdio->bus only there.
Fixes: 0ff0843310 ("wifi: brcmfmac: Add optional lpo clock enable support")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Arend van Spriel<arend.vanspriel@broadcom.com>
Link: https://patch.msgid.link/20260203102133.1478331-1-m.szyprowski@samsung.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The radiotap parser is currently only used with the radiotap
namespace (not with vendor namespaces), but if the undefined
field 18 is used, the alignment/size is unknown as well. In
this case, iterator->_next_ns_data isn't initialized (it's
only set for skipping vendor namespaces), and syzbot points
out that we later compare against this uninitialized value.
Fix this by moving the rejection of unknown radiotap fields
down to after the in-namespace lookup, so it will really use
iterator->_next_ns_data only for vendor namespaces, even in
case undefined fields are present.
Cc: stable@vger.kernel.org
Fixes: 33e5a2f776 ("wireless: update radiotap parser")
Reported-by: syzbot+b09c1af8764c0097bb19@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/r/69944a91.a70a0220.2c38d7.00fc.GAE@google.com
Link: https://patch.msgid.link/20260217120526.162647-2-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There is a use-after-free error in cfg80211_shutdown_all_interfaces found
by syzkaller:
BUG: KASAN: use-after-free in cfg80211_shutdown_all_interfaces+0x213/0x220
Read of size 8 at addr ffff888112a78d98 by task kworker/0:5/5326
CPU: 0 UID: 0 PID: 5326 Comm: kworker/0:5 Not tainted 6.19.0-rc2 #2 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: events cfg80211_rfkill_block_work
Call Trace:
<TASK>
dump_stack_lvl+0x116/0x1f0
print_report+0xcd/0x630
kasan_report+0xe0/0x110
cfg80211_shutdown_all_interfaces+0x213/0x220
cfg80211_rfkill_block_work+0x1e/0x30
process_one_work+0x9cf/0x1b70
worker_thread+0x6c8/0xf10
kthread+0x3c5/0x780
ret_from_fork+0x56d/0x700
ret_from_fork_asm+0x1a/0x30
</TASK>
The problem arises due to the rfkill_block work is not cancelled when wiphy
is being unregistered. In order to fix the issue cancel the corresponding
work in wiphy_unregister().
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Fixes: 1f87f7d3a3 ("cfg80211: add rfkill support")
Cc: stable@vger.kernel.org
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Link: https://patch.msgid.link/20260211082024.1967588-1-d.dulov@aladdin.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The IGTK key ID must be 4 or 5, but the code checks against
key ID + 1, so must check against 5/6 rather than 4/5. Fix
that.
Reported-by: Jouni Malinen <j@w1.fi>
Fixes: 08645126dd ("cfg80211: implement wext key handling")
Link: https://patch.msgid.link/20260209181220.362205-2-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
'phys' may include an offset within the page, while previously used
'base_paddr' was already page-aligned. This caused incorrect DMA mapping
in dma_4u_map_phys and dma_4v_map_phys.
Fix both functions by masking 'phys' with IO_PAGE_MASK, covering both
generic SPARC code and sun4v.
Fixes: 38c0d0ebf5 ("sparc: Use physical address DMA mapping")
Reported-by: Stian Halseth <stian@itx.no>
Closes: https://github.com/sparclinux/issues/issues/75
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Stian Halseth <stian@itx.no>
Tested-by: Nathaniel Roach <nroach44@nroach44.id.au>
Tested-by: Han Gao <gaohan@iscas.ac.cn> # on SPARC Enterprise T5220
[mszyprow: adjusted commit description a bit]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20260218120056.3366-2-stian@itx.no
dma_addr is unitialized in dma_direct_map_phys() when swiotlb is forced
and DMA_ATTR_MMIO is set which leads to random value print out in
warning. Fix that by just returning DMA_MAPPING_ERROR.
Fixes: e53d29f957 ("dma-mapping: convert dma_direct_*map_page to be phys_addr_t based")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20260209153809.250835-2-jiri@resnulli.us
smb_direct_prepare_negotiation() casts an unsigned __u32 value
from sp->max_recv_size and req->preferred_send_size to a signed
int before computing min_t(int, ...). A maliciously provided
preferred_send_size of 0x80000000 will return as smaller than
max_recv_size, and then be used to set the maximum allowed
alowed receive size for the next message.
By sending a second message with a large value (>1420 bytes)
the attacker can then achieve a heap buffer overflow.
This fix replaces min_t(int, ...) with min_t(u32)
Fixes: 0626e6641f ("cifsd: add server handler for central processing and tranport layers")
Signed-off-by: Nicholas Carlini <nicholas@carlini.com>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
To prevent timing attacks, MAC comparisons need to be constant-time.
Replace the memcmp() with the correct function, crypto_memneq().
Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Currently, the define_read!() and define_write!() I/O macros are crate
public. The only user outside of the I/O module is PCI (for the
configurations space I/O backend). Consequently, when CONFIG_PCI=n this
causes a compile time warning [1].
In order to fix this, rename the macros to io_define_read!() and
io_define_write!() and use #[macro_export] to export them.
This is better than making the crate public visibility conditional, as
eventually subsystems will have their own crate.
Also, I/O backends are valid to be implemented by drivers as well. For
instance, there are devices (such as GPUs) that run firmware which
allows to program other devices only accessible through the primary
device through indirect I/O.
Since the macros are now public, also add the corresponding
documentation.
Fixes: 121d87b28e ("rust: io: separate generic I/O helpers from MMIO implementation")
Reported-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Closes: https://lore.kernel.org/driver-core/CANiq72khOYkt6t5zwMvSiyZvWWHMZuNCMERXu=7K=_5tT-8Pgg@mail.gmail.com/ [1]
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Link: https://patch.msgid.link/20260216131534.65008-1-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Update the example devicetree with unique regulator names for all
regulators. This reflects the same change made to the actual .dtsi file.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260219-mtk-mt6359-fix-regulator-names-v1-2-ee0fcebfe1d9@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
According to the AHT20 datasheet (updated to V1.0 after the 2023.09
version), the initialization command for AHT20 is 0b10111110 (0xBE).
The previous sequence (0xE1) used in earlier versions is no longer
compatible with newer AHT20 sensors. Update the initialization
command to ensure the sensor is properly initialized.
While at it, use binary notation for DHT20_CMD_INIT to match the notation
used in the datasheet.
Fixes: d2abcb5cc8 ("hwmon: (aht10) Add support for compatible aht20")
Signed-off-by: Hao Yu <haoyufine@gmail.com>
Link: https://lore.kernel.org/r/20260222170332.1616-3-haoyufine@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The macsmc-hwmon driver experienced several issues related to value
scaling and type conversion:
1. macsmc_hwmon_read_f32_scaled() clipped values to INT_MAX/INT_MIN.
On 64-bit systems, hwmon supports long values, so clipping to
32-bit range was premature and caused loss of range for high-power
sensors. Changed it to use long and clip to LONG_MAX/LONG_MIN.
2. The overflow check in macsmc_hwmon_read_f32_scaled() used 1UL,
which is 32-bit on some platforms. Switched to 1ULL.
3. macsmc_hwmon_read_key() used a u32 temporary variable for f32
values. When assigned to a 64-bit long, negative values were
zero-extended instead of sign-extended, resulting in large
positive numbers.
4. macsmc_hwmon_read_ioft_scaled() used mult_frac() which could
overflow during intermediate multiplication. Switched to
mul_u64_u32_div() to handle the 64-bit multiplication safely.
5. ioft values (unsigned 48.16) could overflow long when scaled
by 1,000,000. Added explicit clipping to LONG_MAX in the caller.
6. macsmc_hwmon_write_f32() truncated its long argument to int,
potentially causing issues for large values.
Fix these issues by using appropriate types and helper functions.
Fixes: 785205fd81 ("hwmon: Add Apple Silicon SMC hwmon driver")
Cc: James Calligeros <jcalligeros99@gmail.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Neal Gompa <neal@gompa.dev>
Cc: Janne Grunau <j@jannau.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20260129175112.3751907-3-linux@roeck-us.net
Reviewed-by: James Calligeros <jcalligeros99@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The recently added macsmc-hwmon driver contained several critical
bugs in its sensor population logic and float conversion routines.
Specifically:
- The voltage sensor population loop used the wrong prefix ("volt-"
instead of "voltage-") and incorrectly assigned sensors to the
temperature sensor array (hwmon->temp.sensors) instead of the
voltage sensor array (hwmon->volt.sensors). This would lead to
out-of-bounds memory access or data corruption when both temperature
and voltage sensors were present.
- The float conversion in macsmc_hwmon_write_f32() had flawed exponent
logic for values >= 2^24 and lacked masking for the mantissa, which
could lead to incorrect values being written to the SMC.
Fix these issues to ensure correct sensor registration and reliable
manual fan control.
Confirm that the reported overflow in FIELD_PREP is fixed by declaring
macsmc_hwmon_write_f32() as __always_inline for a compile test.
Fixes: 785205fd81 ("hwmon: Add Apple Silicon SMC hwmon driver")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/linux-hwmon/20260119195817.GA1035354@ax162/
Cc: James Calligeros <jcalligeros99@gmail.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Neal Gompa <neal@gompa.dev>
Cc: Janne Grunau <j@jannau.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Nathan Chancellor <nathan@kernel.org> # build only
Link: https://lore.kernel.org/r/20260129175112.3751907-2-linux@roeck-us.net
Reviewed-by: James Calligeros <jcalligeros99@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When device_get_child_node_count() got split to the fwnode and device
respective APIs, the fwnode didn't inherit the ability to traverse over
the secondary fwnode. Hence any user, that switches from device to fwnode
API misses this feature. In particular, this was revealed by the commit
1490cbb9db ("device property: Split fwnode_get_child_node_count()")
that effectively broke the GPIO enumeration on Intel Galileo boards.
Fix this by moving the secondary lookup from device to fwnode API.
Note, in general no device_*() API should go into the depth of the fwnode
implementation.
Fixes: 114dbb4fa7 ("drivers property: When no children in primary, try secondary")
Cc: stable@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://patch.msgid.link/20260210135822.47335-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
cifs_pick_channel uses (start % chan_count) when channels are equally
loaded, but that can return a channel that failed the eligibility
checks.
Drop the fallback and return the scan-selected channel instead. If none
is eligible, keep the existing behavior of using the primary channel.
Signed-off-by: Henrique Carvalho <henrique.carvalho@suse.com>
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Acked-by: Meetakshi Setiya <msetiya@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
- Fix a build error on parisc
- Remove the non-large-folio-aware function fsverity_verify_page()
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux
Pull fsverity fixes from Eric Biggers:
- Fix a build error on parisc
- Remove the non-large-folio-aware function fsverity_verify_page()
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
fsverity: fix build error by adding fsverity_readahead() stub
fsverity: remove fsverity_verify_page()
f2fs: make f2fs_verify_cluster() partially large-folio-aware
f2fs: remove unnecessary ClearPageUptodate in f2fs_verify_cluster()
Fix a big endian specific issue in the PPC64-optimized AES code.
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Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library fix from Eric Biggers:
"Fix a big endian specific issue in the PPC64-optimized AES code"
* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
lib/crypto: powerpc/aes: Fix rndkey_from_vsx() on big endian CPUs
Stephen retired and stepped back from -next maintainership, update his
entry in CREDITS to recognise his 18 years of hard work making it what
it is today and all the impact it's had on our development process.
Also update to his current GnuPG key while we're here.
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The x509 public key code gained a dependency on the sha256 hash
implementation, causing a rare link time failure in randconfig
builds:
arm-linux-gnueabi-ld: crypto/asymmetric_keys/x509_public_key.o: in function `x509_get_sig_params':
x509_public_key.c:(.text.x509_get_sig_params+0x12): undefined reference to `sha256'
arm-linux-gnueabi-ld: (sha256): Unknown destination type (ARM/Thumb) in crypto/asymmetric_keys/x509_public_key.o
x509_public_key.c:(.text.x509_get_sig_params+0x12): dangerous relocation: unsupported relocation
Select the necessary library code from Kconfig.
Fixes: 2c62068ac8 ("x509: Separately calculate sha256 for blacklist")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Align to the commit bf4afc53b7 ("Convert 'alloc_obj' family to use the
new default GFP_KERNEL argument") update the 'kmalloc_obj' declaration
for userspace to fix below compile error:
In file included from arch/arm/boot/compressed/../../../../lib/decompress_unxz.c:241,
from arch/arm/boot/compressed/decompress.c:56:
arch/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c: In function 'xz_dec_init':
arch/arm/boot/compressed/../../../../lib/xz/xz_dec_stream.c:787:28: error: implicit declaration of function 'kmalloc_obj'; did you mean 'kmalloc'? [-Wimplicit-function-declaration]
787 | struct xz_dec *s = kmalloc_obj(*s);
| ^~~~~~~~~~~
| kmalloc
Signed-off-by: Haiyue Wang <haiyuewa@163.com>
Fixes: 69050f8d6d ("treewide: Replace kmalloc with kmalloc_obj for non-scalar types")
Fixes: bf4afc53b7 ("Convert 'alloc_obj' family to use the new default GFP_KERNEL argument")
Reviewed-by: Kees Cook <kees@kernel.org>
Acked-by: Lasse Collin <lasse.collin@tukaani.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since 3669ddd8fa ("KVM: arm64: Add a range to pkvm_mappings"),
pKVM tracks the memory that has been mapped into a guest in a
side data structure. Crucially, it uses it to find out whether
a page has already been mapped, and therefore refuses to map it
twice. So far, so good.
However, this very patch completely breaks non-4kB page support,
with guests being unable to boot. The most obvious symptom is that
we take the same fault repeatedly, and not making forward progress.
A quick investigation shows that this is because of the above
rejection code.
As it turns out, there are multiple issues at play:
- while the HPFAR_EL2 register gives you the faulting IPA minus
the bottom 12 bits, it will still give you the extra bits that
are part of the page offset for anything larger than 4kB,
even for a level-3 mapping
- pkvm_pgtable_stage2_map() assumes that the address passed as
a parameter is aligned to the size of the intended mapping
- the faulting address is only aligned for a non-page mapping
When the planets are suitably aligned (pun intended), the guest
faults on a page by accessing it past the bottom 4kB, and extra bits
get set in the HPFAR_EL2 register. If this results in a page mapping
(which is likely with large granule sizes), nothing aligns it further
down, and pkvm_mapping_iter_first() finds an intersection that
doesn't really exist. We assume this is a spurious fault and return
-EAGAIN. And again...
This doesn't hit outside of the protected code, as the page table
code always aligns the IPA down to a page boundary, hiding the issue
for everyone else.
Fix it by always forcing the alignment on vma_pagesize, irrespective
of the value of vma_pagesize.
Fixes: 3669ddd8fa ("KVM: arm64: Add a range to pkvm_mappings")
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://https://patch.msgid.link/20260222141000.3084258-1-maz@kernel.org
Cc: stable@vger.kernel.org
Toolchain and infrastructure:
- Pass '-Zunstable-options' flag required by the future Rust 1.95.0.
- Fix 'objtool' warning for Rust 1.84.0.
'kernel' crate:
- 'irq' module: add missing bound detected by the future Rust 1.95.0.
- 'list' module: add missing 'unsafe' blocks and placeholder safety
comments to macros (an issue for future callers within the crate).
'pin-init' crate:
- Clean Clippy warning that changed behavior in the future Rust 1.95.0.
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Merge tag 'rust-fixes-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Pass '-Zunstable-options' flag required by the future Rust 1.95.0
- Fix 'objtool' warning for Rust 1.84.0
'kernel' crate:
- 'irq' module: add missing bound detected by the future Rust 1.95.0
- 'list' module: add missing 'unsafe' blocks and placeholder safety
comments to macros (an issue for future callers within the crate)
'pin-init' crate:
- Clean Clippy warning that changed behavior in the future Rust
1.95.0"
* tag 'rust-fixes-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: list: Add unsafe blocks for container_of and safety comments
rust: pin-init: replace clippy `expect` with `allow`
rust: irq: add `'static` bounds to irq callbacks
objtool/rust: add one more `noreturn` Rust function
rust: kbuild: pass `-Zunstable-options` for Rust 1.95.0
Summary of changes:
- Fix multiple definition of __pcpu_unique_da_mon_this
After refactoring monitors, we used static per-cpu variables with the
same names across different per-cpu monitors. This is explicitly
disallowed for modules on some architectures (alpha) or if
CONFIG_DEBUG_FORCE_WEAK_PER_CPU is enabled (e.g. Fedora's debug
kernel). Make sure all those variables have different names to avoid
compilation issues.
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Merge tag 'trace-rv-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull runtime verifier fix from Steven Rostedt:
- Fix multiple definition of __pcpu_unique_da_mon_this
After refactoring monitors, we used static per-cpu variables with the
same names across different per-cpu monitors. This is explicitly
disallowed for modules on some architectures (alpha) or if
CONFIG_DEBUG_FORCE_WEAK_PER_CPU is enabled (e.g. Fedora's debug
kernel). Make sure all those variables have different names to avoid
compilation issues.
* tag 'trace-rv-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rv: Fix multiple definition of __pcpu_unique_da_mon_this
This converts some of the visually simpler cases that have been split
over multiple lines. I only did the ones that are easy to verify the
resulting diff by having just that final GFP_KERNEL argument on the next
line.
Somebody should probably do a proper coccinelle script for this, but for
me the trivial script actually resulted in an assertion failure in the
middle of the script. I probably had made it a bit _too_ trivial.
So after fighting that far a while I decided to just do some of the
syntactically simpler cases with variations of the previous 'sed'
scripts.
The more syntactically complex multi-line cases would mostly really want
whitespace cleanup anyway.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the exact same thing as the 'alloc_obj()' version, only much
smaller because there are a lot fewer users of the *alloc_flex()
interface.
As with alloc_obj() version, this was done entirely with mindless brute
force, using the same script, except using 'flex' in the pattern rather
than 'objs*'.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Most simple allocations use GFP_KERNEL, and with the new allocation
helpers being introduced, let's just take advantage of that to simplify
that default case.
It's a numbers game:
git grep 'alloc_obj(' |
sed 's/.*\(GFP_[_A-Z]*\).*/\1/' |
sort | uniq -c | sort -n | tail
shows that about 90% of all those new allocator instances just use that
standard GFP_KERNEL.
Those helpers are already macros, and we can easily just make it be the
default case when the gfp argument is missing.
And yes, we could do that for all the legacy interfaces too, but let's
keep it to just the new ones at least for now, since those all got
converted recently anyway, so this is not any "extra" noise outside of
that limited conversion.
And, in fact, I want to do this before doing the -rc1 release, exactly
so that we don't get extra merge conflicts.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 69050f8d6d ("treewide: Replace kmalloc with kmalloc_obj for
non-scalar types") started using the new allocation helpers, and in the
process showed that they were completely non-working.
The overflow logic in overflows_flex_counter_type() is completely the
wrong way around, and that broke __alloc_flex() completely. By chance,
the resulting code was then such a mess that clang generated
sufficiently garbage code that objtool warned about it all. Which made
it somewhat quicker to narrow things down.
While fixing overflows_flex_counter_type() would presumably fix this
all, I'm excising the whole broken overflow logic from __alloc_flex(),
because we don't want that kind of code in basic allocation functions
anyway.
That (no longer) broken overflows_flex_counter_type() thing needs to be
inserted into the actual __set_flex_counter() logic in the unlikely case
that we ever want this at all. And made conditional.
Fixes: 81cee9166a ("compiler_types: Introduce __flex_counter() and family")
Fixes: 69050f8d6d ("treewide: Replace kmalloc with kmalloc_obj for non-scalar types")
Cc: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/all/CAHk-=whEd020BYzGTzYrENjD9Z5_82xx6h8HsQvH5xDSnv0=Hw@mail.gmail.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'kmalloc_obj-treewide-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull kmalloc_obj conversion from Kees Cook:
"This does the tree-wide conversion to kmalloc_obj() and friends using
coccinelle, with a subsequent small manual cleanup of whitespace
alignment that coccinelle does not handle.
This uncovered a clang bug in __builtin_counted_by_ref(), so the
conversion is preceded by disabling that for current versions of
clang. The imminent clang 22.1 release has the fix.
I've done allmodconfig build tests for x86_64, arm64, i386, and arm. I
did defconfig builds for alpha, m68k, mips, parisc, powerpc, riscv,
s390, sparc, sh, arc, csky, xtensa, hexagon, and openrisc"
* tag 'kmalloc_obj-treewide-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
kmalloc_obj: Clean up after treewide replacements
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
compiler_types: Disable __builtin_counted_by_ref for Clang
- Introduce 'perf sched stats' tool with record/report/diff workflows
using schedstat counters.
- Add a faster libdw based addr2line implementation and allow selecting
it or its alternatives via 'perf config addr2line.style='.
- Data-type profiling fixes and improvements including the ability
to select fields using 'perf report''s -F/-fields, e.g.:
'perf report --fields overhead,type'
- Add 'perf test' regression tests for Data-type profiling with
C and Rust workloads.
- Fix srcline printing with inlines in callchains, make sure this has
coverage in 'perf test'.
- Fix printing of leaf IP in LBR callchains.
- Fix display of metrics without sufficient permission in 'perf stat'.
- Print all machines in 'perf kvm report -vvv', not just the host.
- Switch from SHA-1 to BLAKE2s for build ID generation, remove SHA-1
code.
- Fix 'perf report's histogram entry collapsing with '-F' option.
- Use system's cacheline size instead of a hardcoded value in 'perf
report'.
- Allow filtering conversion by time range in 'perf data'.
- Cover conversion to CTF using 'perf data' in 'perf test'.
- Address newer glibc const-correctness (-Werror=discarded-qualifiers)
issues.
- Fixes and improvements for ARM's CoreSight support, simplify ARM SPE
event config in 'perf mem', update docs for 'perf c2c' including the
ARM events it can be used with.
- Build support for generating metrics from arch specific python script,
add extra AMD, Intel, ARM64 metrics using it.
- Add AMD Zen 6 events and metrics.
- Add JSON file with OpenHW Risc-V CVA6 hardware counters.
- Add 'perf kvm' stats live testing.
- Add more 'perf stat' tests to 'perf test'.
- Fix segfault in `perf lock contention -b/--use-bpf`
- Fix various 'perf test' cases for s390.
- Build system cleanups, bump minimum shellcheck version to 0.7.2
- Support building the capstone based annotation routines as a plugin.
- Allow passing extra Clang flags via EXTRA_BPF_FLAGS.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v7.0-1-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Arnaldo Carvalho de Melo:
- Introduce 'perf sched stats' tool with record/report/diff workflows
using schedstat counters
- Add a faster libdw based addr2line implementation and allow selecting
it or its alternatives via 'perf config addr2line.style='
- Data-type profiling fixes and improvements including the ability to
select fields using 'perf report''s -F/-fields, e.g.:
'perf report --fields overhead,type'
- Add 'perf test' regression tests for Data-type profiling with C and
Rust workloads
- Fix srcline printing with inlines in callchains, make sure this has
coverage in 'perf test'
- Fix printing of leaf IP in LBR callchains
- Fix display of metrics without sufficient permission in 'perf stat'
- Print all machines in 'perf kvm report -vvv', not just the host
- Switch from SHA-1 to BLAKE2s for build ID generation, remove SHA-1
code
- Fix 'perf report's histogram entry collapsing with '-F' option
- Use system's cacheline size instead of a hardcoded value in 'perf
report'
- Allow filtering conversion by time range in 'perf data'
- Cover conversion to CTF using 'perf data' in 'perf test'
- Address newer glibc const-correctness (-Werror=discarded-qualifiers)
issues
- Fixes and improvements for ARM's CoreSight support, simplify ARM SPE
event config in 'perf mem', update docs for 'perf c2c' including the
ARM events it can be used with
- Build support for generating metrics from arch specific python
script, add extra AMD, Intel, ARM64 metrics using it
- Add AMD Zen 6 events and metrics
- Add JSON file with OpenHW Risc-V CVA6 hardware counters
- Add 'perf kvm' stats live testing
- Add more 'perf stat' tests to 'perf test'
- Fix segfault in `perf lock contention -b/--use-bpf`
- Fix various 'perf test' cases for s390
- Build system cleanups, bump minimum shellcheck version to 0.7.2
- Support building the capstone based annotation routines as a plugin
- Allow passing extra Clang flags via EXTRA_BPF_FLAGS
* tag 'perf-tools-for-v7.0-1-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (255 commits)
perf test script: Add python script testing support
perf test script: Add perl script testing support
perf script: Allow the generated script to be a path
perf test: perf data --to-ctf testing
perf test: Test pipe mode with data conversion --to-json
perf json: Pipe mode --to-ctf support
perf json: Pipe mode --to-json support
perf check: Add libbabeltrace to the listed features
perf build: Allow passing extra Clang flags via EXTRA_BPF_FLAGS
perf test data_type_profiling.sh: Skip just the Rust tests if code_with_type workload is missing
tools build: Fix feature test for rust compiler
perf libunwind: Fix calls to thread__e_machine()
perf stat: Add no-affinity flag
perf evlist: Reduce affinity use and move into iterator, fix no affinity
perf evlist: Missing TPEBS close in evlist__close()
perf evlist: Special map propagation for tool events that read on 1 CPU
perf stat-shadow: In prepare_metric fix guard on reading NULL perf_stat_evsel
Revert "perf tool_pmu: More accurately set the cpus for tool events"
tools build: Emit dependencies file for test-rust.bin
tools build: Make test-rust.bin be removed by the 'clean' target
...
This patch series, from Benjamin Philip <benjamin.philip495@gmail.com>,
simplifies and clarifies the handling of output generated by Coccinelle
that is sent to standard error. By default, this information goes to
/dev/null. The patch series reminds the user of that and encourages
them to provide another file name.
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
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Merge tag 'cocci-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux
Pull coccinelle updates from Julia Lawall:
"This simplifies and clarifies the handling of output generated by
Coccinelle that is sent to standard error.
By default, this goes to /dev/null. Remind the user of that and
encourage them to provide another file name (Benjamin Philip)"
* tag 'cocci-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
Documentation: Coccinelle: document debug log handling
scripts: coccicheck: warn on unset debug file
scripts: coccicheck: simplify debug file handling
cleanups, and new hardware support. ntb_transport QP stats are
converted to seq_file, a tx_memcpy_offload module parameter is
introduced with associated ordering fixes, and a debugfs queue
name truncation bug is corrected. Additional fixes address format
specifier mismatches in ntb_tool and boundary conditions in the
Switchtec driver, while unused MSI helpers are removed and the
codebase migrates to dma_map_phys(). Intel Gen6 (Diamond Rapids)
NTB support is also added.
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Merge tag 'ntb-7.0' of https://github.com/jonmason/ntb
Pull NTB (PCIe non-transparent bridge) updates from Jon Mason:
"NTB updates include debugfs improvements, correctness fixes, cleanups,
and new hardware support:
ntb_transport QP stats are converted to seq_file, a tx_memcpy_offload
module parameter is introduced with associated ordering fixes, and a
debugfs queue name truncation bug is corrected.
Additional fixes address format specifier mismatches in ntb_tool and
boundary conditions in the Switchtec driver, while unused MSI helpers
are removed and the codebase migrates to dma_map_phys().
Intel Gen6 (Diamond Rapids) NTB support is also added"
* tag 'ntb-7.0' of https://github.com/jonmason/ntb:
NTB: ntb_transport: Use seq_file for QP stats debugfs
NTB: ntb_transport: Fix too small buffer for debugfs_name
ntb/ntb_tool: correct sscanf format for u64 and size_t in tool_peer_mw_trans_write
ntb: intel: Add Intel Gen6 NTB support for DiamondRapids
NTB/msi: Remove unused functions
ntb: ntb_hw_switchtec: Increase MAX_MWS limit to 256
ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access
ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut
NTB: epf: allow built-in build
ntb: migrate to dma_map_phys instead of map_page
NTB: ntb_transport: Add 'tx_memcpy_offload' module option
NTB: ntb_transport: Remove unused 'retries' field from ntb_queue_entry
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Merge tag 'io_uring-20260221' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- A fix for a missing URING_CMD128 opcode check, fixing an issue with
the SQE mixed mode support introduced in 6.19. Merged late due to
having multiple dependencies
- Add sqe->cmd size checking for big SQEs, similar to what we have for
normal sized SQEs
- Fix a race condition in zcrx, that leads to a double free
* tag 'io_uring-20260221' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: Add size check for sqe->cmd
io_uring: add IORING_OP_URING_CMD128 to opcode checks
io_uring/zcrx: fix user_ref race between scrub and refill paths
phys_to_target_node() may assign a CXL Fixed Memory Window to the wrong NUMA
node when a CXL node resides in the gap of discontinuous System RAM node.
Fix this by checking both numa_meminfo and numa_reserved_meminfo, preferring
the reserved NID when the address appears in both.
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Merge tag 'fixes-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"Fix detection of NUMA node for CXL windows
phys_to_target_node() may assign a CXL Fixed Memory Window to the
wrong NUMA node when a CXL node resides in the gap of discontinuous
System RAM node.
Fix this by checking both numa_meminfo and numa_reserved_meminfo,
preferring the reserved NID when the address appears in both"
* tag 'fixes-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
mm: numa_memblks: Identify the accurate NUMA ID of CFMW
- Various bug fixes for the example schedulers and selftests.
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Merge tag 'sched_ext-for-7.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fixes from Tejun Heo:
- Various bug fixes for the example schedulers and selftests
* tag 'sched_ext-for-7.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
tools/sched_ext: fix getopt not re-parsed on restart
tools/sched_ext: scx_userland: fix data races on shared counters
tools/sched_ext: scx_pair: fix stride == 0 crash on single-CPU systems
tools/sched_ext: scx_central: fix CPU_SET and skeleton leak on early exit
tools/sched_ext: scx_userland: fix stale data on restart
tools/sched_ext: scx_flatcg: fix potential stack overflow from VLA in fcg_read_stats
selftests/sched_ext: Fix rt_stall flaky failure
tools/sched_ext: scx_userland: fix restart and stats thread lifecycle bugs
tools/sched_ext: scx_central: fix sched_setaffinity() call with the set size
tools/sched_ext: scx_flatcg: zero-initialize stats counter array
