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2026-01-21smb: client: disable compression on reconnectscompress-2025-01-21Enzo Matsumiya1-0/+14
Windows Server resets the connection if it gets a compressed request that it couldn't decompress. Some encoded payloads might decode differently on the server, which can be caused by different implementation details, or a bug on client's or server's implementation. To prevent an infinite retry on such failed sends, simply disable compression for that server when a reconnect is about to happen. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2026-01-21smb: client: compress: rework is_compressible()Enzo Matsumiya1-181/+52
Biggest caller-facing change: is_compressible() is now called from smb_compress() instead of should_compress(); the latter only does the basic checks (write >= 4K). Internal changes: - has_low_entropy() computes Shannon entropy of the sampled data. Original code was copied over from btrfs, so it carelessly used their parameters. Fix the calculation to use our own parameters. Also set a more relaxed threshold since LZ77 can now handle better hard-to-compress data. - The above change also allows to remove calc_byte_distribution() that did similar work (with more inaccurate results). - Also rework on sample collection from the input (uncompressed) buffer; instead of 'sampling', with intervals, now just reuse the to-be-compressed buffer and run is_compressible() on 7/8 of its original size. This runs just as fast and gives much more accurate info. - Remove collect_sample() and collect_step() helpers Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2026-01-21smb: client: compress: lz77_compress() optimizationsEnzo Matsumiya1-61/+132
WIP Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2026-01-21smb: client: add chained compression and pattern scanningEnzo Matsumiya4-77/+417
Introduce chained de/compression support and implementation of "Pattern V1" algorithm. Pattern V1 algorithm scans the beginning and end of a buffer, looking for repeating bytes. In order to use it, MS-SMB2 requires chained compression to be enabled/negotiated with the server. This commit implements both, and negotiates chained compression by default (falls back to unchained compression if server doesn't support it). Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2026-01-21smb: client: add support for decompressing READsEnzo Matsumiya6-26/+440
Implement decompression support for SMB2 READ messages. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2025-12-05smb: client: copy compression information to extra channelsEnzo Matsumiya1-0/+3
Pass down compression info from primary channel to each channel. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2025-12-05smb: client: compress: use iterate_and_advance_kernelEnzo Matsumiya1-33/+38
Move sample collection to use the generic iov_iter API. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2025-12-05smb: client: compress: fix compressing too many literalsEnzo Matsumiya3-16/+28
When compressing too many literals (e.g. a chunk with random data only), we might hit the compressed buffer limit. This is because @dst is allocated with @slen, without accounting for LZ77 metadata. To fix this, add lz77_calc_dlen() helper that will compute the required @dst size, accounting for metadata and the worst case scenario (all literals). It's overprovisioning, but besides safer (and correct), this also allows us to run through @dst in lz77_compress() without ever checking its bounds. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2025-12-01smb: client: compress: fix end-of-stream flag in end of bufferEnzo Matsumiya1-1/+1
Fix end of stream flag for not-so-rare cases where flag_count is 0 and flag position is in the last 4 bytes of @dstp; the bitshift wraps the flag, causing a zero flag to be written, thus making decompressors interpret it as "more literals to write". Fix this by using `1UL' instead. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2025-12-01smb: client: compress: fix LZ77 match len countEnzo Matsumiya1-4/+6
cur is incremented unconditionally when not matching wnd. Move increments to inside the loop. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
2025-11-30Linux 6.18v6.18Linus Torvalds1-1/+1
2025-11-30Merge tag 'timers_urgent_for_v6.18_rc8' of ↵Linus Torvalds1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Borislav Petkov: - Have timekeeping aux clocks sysfs interface setup function return an error code on failure instead of success * tag 'timers_urgent_for_v6.18_rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Fix error code in tk_aux_sysfs_init()
2025-11-29Merge tag 'mips-fixes_6.18_2' of ↵Linus Torvalds1-2/+16
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fix from Thomas Bogendoerfer: "Fix TLB unification for cores with more than 64 TLB entries" * tag 'mips-fixes_6.18_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: mm: kmalloc tlb_vpn array to avoid stack overflow
2025-11-29MIPS: mm: kmalloc tlb_vpn array to avoid stack overflowThomas Bogendoerfer1-2/+16
Owing to Config4.MMUSizeExt and VTLB/FTLB MMU features later MIPSr2+ cores can have more than 64 TLB entries. Therefore allocate an array for uniquification instead of placing too an small array on the stack. Fixes: 35ad7e181541 ("MIPS: mm: tlb-r4k: Uniquify TLB entries on init") Co-developed-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Cc: stable@vger.kernel.org # v6.17+: 9f048fa48740: MIPS: mm: Prevent a TLB shutdown on initial uniquification Cc: stable@vger.kernel.org # v6.17+ Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com> Tested-by: Klara Modin <klarasmodin@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2025-11-28afs: Fix uninit var in afs_alloc_anon_key()David Howells1-1/+2
Fix an uninitialised variable (key) in afs_alloc_anon_key() by setting it to cell->anonymous_key. Without this change, the error check may return a false failure with a bad error number. Most of the time this is unlikely to happen because the first encounter with afs_alloc_anon_key() will usually be from (auto)mount, for which all subsequent operations must wait - apart from other (auto)mounts. Once the call->anonymous_key is allocated, all further calls to afs_request_key() will skip the call to afs_alloc_anon_key() for that cell. Fixes: d27c71257825 ("afs: Fix delayed allocation of a cell's anonymous key") Reported-by: Paulo Alcantra <pc@manguebit.org> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Paulo Alcantara <pc@manguebit.org> cc: Marc Dionne <marc.dionne@auristor.com> cc: syzbot+41c68824eefb67cdf00c@syzkaller.appspotmail.com cc: linux-afs@lists.infradead.org cc: linux-fsdevel@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-11-28Merge tag 'spi-fix-v6.18-rc7' of ↵Linus Torvalds6-19/+39
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "A disappointingly large set of device specific fixes that have built up since I've been a bit tardy with sending a pull requests as people kept sending me new new fixes. The bcm63xx and lpspi issues could lead to corruption so the fixes are fairly important for the affected parts, the other issues should all be relatively minor" * tag 'spi-fix-v6.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: nxp-fspi: Propagate fwnode in ACPI case as well spi: tegra114: remove Kconfig dependency on TEGRA20_APB_DMA spi: amlogic-spifc-a1: Handle devm_pm_runtime_enable() errors spi: spi-fsl-lpspi: fix watermark truncation caused by type cast spi: cadence-quadspi: Fix cqspi_probe() error handling for runtime pm spi: bcm63xx: fix premature CS deassertion on RX-only transactions spi: spi-cadence-quadspi: Remove duplicate pm_runtime_put_autosuspend() call spi: spi-cadence-quadspi: Enable pm runtime earlier to avoid imbalance
2025-11-28Merge tag 'regulator-fix-v6.18-rc7' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "A couple of fixes for incorrect device descriptions in the rtq2208 driver" * tag 'regulator-fix-v6.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: rtq2208: Correct LDO2 logic judgment bits regulator: rtq2208: Correct buck group2 phase mapping logic
2025-11-28Merge tag 'io_uring-6.18-20251128' of ↵Linus Torvalds2-2/+6
git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux Pull io_uring fixes from Jens Axboe: - Ensure that vectored registered buffer imports ties the lifetime of those to the zero-copy send notification, not the parent request - Fix a bug introduced in this merge window, with the introduction of mixed sized CQE support * tag 'io_uring-6.18-20251128' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: io_uring: fix mixed cqe overflow handling io_uring/net: ensure vectored buffer node import is tied to notification
2025-11-28Merge tag 'vfs-6.18-rc8.fixes' of ↵Linus Torvalds5-48/+55
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: - afs: Fix delayed allocation of a cell's anonymous key The allocation of a cell's anonymous key is done in a background thread along with other cell setup such as doing a DNS upcall. The normal key lookup tries to use the key description on the anonymous authentication key as the reference for request_key() - but it may not yet be set, causing an oops - ovl: fail ovl_lock_rename_workdir() if either target is unhashed As well as checking that the parent hasn't changed after getting the lock, the code needs to check that the dentry hasn't been unhashed. Otherwise overlayfs might try to rename something that has been removed - namespace: fix a reference leak in grab_requested_mnt_ns lookup_mnt_ns() already takes a reference on mnt_ns, and so grab_requested_mnt_ns() doesn't need to take an extra reference * tag 'vfs-6.18-rc8.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: afs: Fix delayed allocation of a cell's anonymous key ovl: fail ovl_lock_rename_workdir() if either target is unhashed fs/namespace: fix reference leak in grab_requested_mnt_ns
2025-11-28Merge tag 'soc-fixes-6.18-4' of ↵Linus Torvalds8-8/+15
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC fixes from Arnd Bergmann: "A few last minute fixes came in this week: - interrupt and gpio numbers in foud separate i.MX8 specific devicetree files were wrong - The vector length property in the C906 CPU description used the wrong unit - Two bugs with uninitialized stack variables in the tee subsystem - Alexander Stein now maintains additional devicetree files" * tag 'soc-fixes-6.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: riscv: dts: allwinner: d1: fix vlenb property MAINTAINERS: Add entry for TQ-Systems AM335 device trees tee: qcomtee: initialize result before use in release worker arm64: dts: imx8qm-mek: fix mux-controller select/enable-gpios polarity tee: qcomtee: fix uninitialized pointers with free attribute ARM: dts: nxp: imx6ul: correct SAI3 interrupt line arm64: dts: imx8dxl-ss-conn: swap interrupts number of eqos arm64: dts: imx8dxl: Correct pcie-ep interrupt number
2025-11-28Merge tag 'char-misc-6.18-rc8' of ↵Linus Torvalds27-113/+214
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char / misc / IIO fixes from Greg KH: "Here are some much-delayed char/misc/iio driver fixes for 6.18-rc8. Fixes in here include: - lots of iio driver bugfixes for reported issues. - counter driver bugfix - slimbus driver bugfix - mei tiny bugfix - nvmem layout uevent bugfix All of these have been in linux-next for a while, but due to travel on my side, I haven't had a chance to get them to you" * tag 'char-misc-6.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (23 commits) nvmem: layouts: fix nvmem_layout_bus_uevent iio: accel: bmc150: Fix irq assumption regression most: usb: fix double free on late probe failure slimbus: ngd: Fix reference count leak in qcom_slim_ngd_notify_slaves firmware: stratix10-svc: fix bug in saving controller data mei: fix error flow in probe iio: st_lsm6dsx: Fixed calibrated timestamp calculation iio: humditiy: hdc3020: fix units for thresholds and hysteresis iio: humditiy: hdc3020: fix units for temperature and humidity measurement iio: imu: st_lsm6dsx: fix array size for st_lsm6dsx_settings fields iio: accel: fix ADXL355 startup race condition iio: adc: ad7124: fix temperature channel iio:common:ssp_sensors: Fix an error handling path ssp_probe() iio: adc: ad7280a: fix ad7280_store_balance_timer() iio: buffer-dmaengine: enable .get_dma_dev() iio: buffer-dma: support getting the DMA channel iio: buffer: support getting dma channel from the buffer iio: pressure: bmp280: correct meas_time_us calculation iio: adc: stm32-dfsdm: fix st,adc-alt-channel property handling iio: adc: ad7380: fix SPI offload trigger rate ...
2025-11-28Merge tag 'tty-6.18-rc8' of ↵Linus Torvalds5-14/+22
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull serial driver fixes from Greg KH: "Here are two serial driver fixes for reported issues for 6.18-rc8. These are: - fix for a much reported symbol build loop that broke the build for some kernel configurations - amba-pl011 driver bugfix for a reported issue Both have been in linux next (the last for weeks, the first for a shorter amount of time), with no reported issues" * tag 'tty-6.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: 8250: Fix 8250_rsa symbol loop serial: amba-pl011: prefer dma_mapping_error() over explicit address checking
2025-11-28Merge tag 'usb-6.18-rc8' of ↵Linus Torvalds25-107/+227
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/Thunderbolt fixes from Greg KH: "Here are some last-minutes USB and Thunderbolt driver fixes and new device ids for 6.18-rc8. Included in here are: - usb storage quirk fixup - xhci driver fixes for reported issues - usb gadget driver fixes - dwc3 driver fixes - UAS driver fixup - thunderbolt new device ids - usb-serial driver new ids All of these have been in linux-next with no reported issues, many for many weeks" * tag 'usb-6.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits) usb: gadget: renesas_usbf: Handle devm_pm_runtime_enable() errors USB: storage: Remove subclass and protocol overrides from Novatek quirk usb: uas: fix urb unmapping issue when the uas device is remove during ongoing data transfer usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths xhci: dbgtty: fix device unregister usb: storage: sddr55: Reject out-of-bound new_pba USB: serial: option: add support for Rolling RW101R-GL usb: typec: ucsi: psy: Set max current to zero when disconnected usb: gadget: f_eem: Fix memory leak in eem_unwrap usb: dwc3: pci: Sort out the Intel device IDs usb: dwc3: pci: add support for the Intel Nova Lake -S drivers/usb/dwc3: fix PCI parent check usb: storage: Fix memory leak in USB bulk transport xhci: sideband: Fix race condition in sideband unregister xhci: dbgtty: Fix data corruption when transmitting data form DbC to host xhci: fix stale flag preventig URBs after link state error is cleared USB: serial: ftdi_sio: add support for u-blox EVK-M101 usb: cdns3: Fix double resource release in cdns3_pci_probe usb: gadget: udc: fix use-after-free in usb_gadget_state_work usb: renesas_usbhs: Fix synchronous external abort on unbind ...
2025-11-28Merge tag 'mailbox-fixes-v6.18-rc7' of ↵Linus Torvalds7-38/+68
git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox Pull mailbox fixes from Jassi Brar: - omap: check for pending msgs only when mbox is exclusive - mailbox-test: debugfs_create_dir error checking - mtk: - cmdq: fix DMA address handling - gpueb: Add missing 'static' to mailbox ops struct - pcc: don't zero error register - th1520: fix clock imbalance on probe failure * tag 'mailbox-fixes-v6.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox: mailbox: th1520: fix clock imbalance on probe failure mailbox: pcc: don't zero error register mailbox: mtk-gpueb: Add missing 'static' to mailbox ops struct mailbox: mtk-cmdq: Refine DMA address handling for the command buffer mailbox: mailbox-test: Fix debugfs_create_dir error checking mailbox: omap-mailbox: Check for pending msgs only when mbox is exclusive
2025-11-28Merge tag 'sunxi-fixes-for-6.18' of ↵Arnd Bergmann1-1/+1
https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes Allwinner fixes for 6.18 Just one fix to correct the "thead,vlenb" property for the RISC-V based D1 SoC family. * tag 'sunxi-fixes-for-6.18' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: riscv: dts: allwinner: d1: fix vlenb property
2025-11-28Merge tag 'omap-for-v6.19/maintainers-signed' of ↵Arnd Bergmann1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap into arm/fixes MAINTAINERS: Add entry for TQ-Systems AM335 device trees * tag 'omap-for-v6.19/maintainers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap: MAINTAINERS: Add entry for TQ-Systems AM335 device trees
2025-11-28Merge tag 'mmc-v6.18-rc2-2' of ↵Linus Torvalds1-12/+17
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fix from Ulf Hansson: - sdhci-of-dwcmshc: Fix reset handling for some variants * tag 'mmc-v6.18-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: sdhci-of-dwcmshc: Promote the th1520 reset handling to ip level
2025-11-28Merge tag 'pmdomain-v6.18-rc6' of ↵Linus Torvalds2-3/+16
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm Pull pmdomain fixes from Ulf Hansson: - mediatek: Fix spinlock recursion in probe - tegra: Use GENPD_FLAG_NO_STAY_ON to restore old behaviour * tag 'pmdomain-v6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: pmdomain: tegra: Add GENPD_FLAG_NO_STAY_ON flag pmdomains: mtk-pm-domains: Fix spinlock recursion in probe
2025-11-28mailbox: th1520: fix clock imbalance on probe failureJohan Hovold1-3/+1
The purpose of the devm_add_action_or_reset() helper is to call the action function in case adding an action ever fails so drop the clock disable from the error path to avoid disabling the clocks twice. Fixes: 5d4d263e1c6b ("mailbox: Introduce support for T-head TH1520 Mailbox driver") Cc: Michal Wilczynski <m.wilczynski@samsung.com> Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Michal Wilczynski <m.wilczynski@samsung.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-11-28mailbox: pcc: don't zero error registerJamie Iles1-4/+4
The error status mask for a type 3/4 subspace is used for reading the error status, and the bitwise inverse is used for clearing the error with the intent being to preserve any of the non-error bits. However, we were previously applying the mask to extract the status and then applying the inverse to the result which ended up clearing all bits. Instead, store the inverse mask in the preserve mask and then use that on the original value read from the error status so that only the error is cleared. Fixes: c45ded7e1135 ("mailbox: pcc: Add support for PCCT extended PCC subspaces(type 3/4)") Signed-off-by: Jamie Iles <jamie.iles@oss.qualcomm.com> Signed-off-by: Punit Agrawal <punit.agrawal@oss.qualcomm.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-11-28mailbox: mtk-gpueb: Add missing 'static' to mailbox ops structNicolas Frattaroli1-1/+1
mtk_gpueb_mbox_ops should be declared static. However, due to its const nature, this specifier was missed, as it compiled fine without it and with no warning by the compiler. arc-linux-gcc (GCC) 12.5.0 doesn't seem to like it however, so add the static to fix that. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202510100629.3nGvrhEU-lkp@intel.com/ Fixes: dbca0eabb821 ("mailbox: add MediaTek GPUEB IPI mailbox") Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-11-28mailbox: mtk-cmdq: Refine DMA address handling for the command bufferJason-JH Lin2-14/+41
GCE can only fetch the command buffer address from a 32-bit register. Some SoCs support a 35-bit command buffer address for GCE, which requires a right shift of 3 bits before setting the address into the 32-bit register. A comment has been added to the header of cmdq_get_shift_pa() to explain this requirement. To prevent the GCE command buffer address from being DMA mapped beyond its supported bit range, the DMA bit mask for the device is set during initialization. Additionally, to ensure the correct shift is applied when setting or reading the register that stores the GCE command buffer address, new APIs, cmdq_convert_gce_addr() and cmdq_revert_gce_addr(), have been introduced for consistent operations on this register. The variable type for the command buffer address has been standardized to dma_addr_t to prevent handling issues caused by type mismatches. Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform") Signed-off-by: Jason-JH Lin <jason-jh.lin@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-11-28mailbox: mailbox-test: Fix debugfs_create_dir error checkingHaotian Zhang1-1/+1
The debugfs_create_dir() function returns ERR_PTR() on error, not NULL. The current null-check fails to catch errors. Use IS_ERR() to correctly check for errors. Fixes: 8ea4484d0c2b ("mailbox: Add generic mechanism for testing Mailbox Controllers") Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-11-28mailbox: omap-mailbox: Check for pending msgs only when mbox is exclusiveBeleswar Padhi1-15/+20
On TI K3 devices, the mailbox resides in the Always-On power domain (LPSC_main_alwayson) and is shared among multiple processors. The mailbox is not solely exclusive to Linux. Currently, the suspend path checks all FIFO queues for pending messages and blocks suspend if any are present. This behavior is unnecessary for K3 devices, since some of the FIFOs are used for RTOS<->RTOS communication and are independent of Linux. For FIFOs used in Linux<->RTOS communication, any pending message would trigger an interrupt, which naturally prevents suspend from completing. Hence, there is no need for the mailbox driver to explicitly check for pending messages on K3 platforms. Introduce a device match flag to indicate whether the mailbox instance is exclusive to Linux, and skip the pending message check for non-exclusive instances (such as in K3). Fixes: a49f991e740f ("arm64: dts: ti: k3-am62-verdin: Add missing cfg for TI IPC Firmware") Closes: https://lore.kernel.org/all/sid7gtg5vay5qgicsl6smnzwg5mnneoa35cempt5ddwjvedaio@hzsgcx6oo74l/ Signed-off-by: Beleswar Padhi <b-padhi@ti.com> Tested-by: Hiago De Franco <hiago.franco@toradex.com> Reviewed-by: Andrew Davis <afd@ti.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-11-28afs: Fix delayed allocation of a cell's anonymous keyDavid Howells3-43/+49
The allocation of a cell's anonymous key is done in a background thread along with other cell setup such as doing a DNS upcall. In the reported bug, this is triggered by afs_parse_source() parsing the device name given to mount() and calling afs_lookup_cell() with the name of the cell. The normal key lookup then tries to use the key description on the anonymous authentication key as the reference for request_key() - but it may not yet be set and so an oops can happen. This has been made more likely to happen by the fix for dynamic lookup failure. Fix this by firstly allocating a reference name and attaching it to the afs_cell record when the record is created. It can share the memory allocation with the cell name (unfortunately it can't just overlap the cell name by prepending it with "afs@" as the cell name already has a '.' prepended for other purposes). This reference name is then passed to request_key(). Secondly, the anon key is now allocated on demand at the point a key is requested in afs_request_key() if it is not already allocated. A mutex is used to prevent multiple allocation for a cell. Thirdly, make afs_request_key_rcu() return NULL if the anonymous key isn't yet allocated (if we need it) and then the caller can return -ECHILD to drop out of RCU-mode and afs_request_key() can be called. Note that the anonymous key is kind of necessary to make the key lookup cache work as that doesn't currently cache a negative lookup, but it's probably worth some investigation to see if NULL can be used instead. Fixes: 330e2c514823 ("afs: Fix dynamic lookup to fail on cell lookup failure") Reported-by: syzbot+41c68824eefb67cdf00c@syzkaller.appspotmail.com Signed-off-by: David Howells <dhowells@redhat.com> Link: https://patch.msgid.link/800328.1764325145@warthog.procyon.org.uk cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org cc: linux-fsdevel@vger.kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-11-28ovl: fail ovl_lock_rename_workdir() if either target is unhashedNeilBrown1-2/+2
As well as checking that the parent hasn't changed after getting the lock we need to check that the dentry hasn't been unhashed. Otherwise we might try to rename something that has been removed. Reported-by: syzbot+bfc9a0ccf0de47d04e8c@syzkaller.appspotmail.com Fixes: d2c995581c7c ("ovl: Call ovl_create_temp() without lock held.") Signed-off-by: NeilBrown <neil@brown.name> Link: https://patch.msgid.link/176429295510.634289.1552337113663461690@noble.neil.brown.name Tested-by: syzbot+bfc9a0ccf0de47d04e8c@syzkaller.appspotmail.com Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-11-27Merge tag 'drm-fixes-2025-11-28' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds20-65/+85
Pull drm fixes from Dave Airlie: "Last one for this round hopefully, mostly the usual suspects, xe/amdgpu, with some single fixes otherwise. There is one amdgpu HDMI blackscreen bug that came in late in the cycle, but it was bisected and the revert is in here. i915: - Reject async flips when PSR's selective fetch is enabled xe: - Fix resource leak in xe_guc_ct_init_noalloc()'s error path - Fix stack_depot usage without STACKDEPOT_ALWAYS_INIT - Fix overflow in conversion from clock tics to msec amdgpu: - Unified MES fix - HDMI fix - Cursor fix - Bightness fix - EDID reading improvement - UserQ fix - Cyan Skillfish IP discovery fix bridge: - sil902x: Fix HDMI detection imagination: - Update documentation sti: - Fix leaks in probe vga_switcheroo: - Avoid race condition during fbcon initialization" * tag 'drm-fixes-2025-11-28' of https://gitlab.freedesktop.org/drm/kernel: drm/amdgpu: fix cyan_skillfish2 gpu info fw handling drm/amdgpu: attach tlb fence to the PTs update drm/amd/display: Increase EDID read retries drm/amd/display: Don't change brightness for disabled connectors drm/amd/display: Check NULL before accessing Revert "drm/amd/display: Move setup_stream_attribute" drm/xe: Fix conversion from clock ticks to milliseconds drm/xe/guc: Fix stack_depot usage drm/xe/guc: Fix resource leak in xe_guc_ct_init_noalloc() drm/i915/psr: Reject async flips when selective fetch is enabled drm, fbcon, vga_switcheroo: Avoid race condition in fbcon setup drm/amd/amdgpu: reserve vm invalidation engine for uni_mes drm: sti: fix device leaks at component probe drm/imagination: Document pvr_device.power member drm/bridge: sii902x: Fix HDMI detection with DRM_BRIDGE_ATTACH_NO_CONNECTOR
2025-11-28Merge tag 'drm-xe-fixes-2025-11-27' of ↵Dave Airlie2-12/+10
https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes Driver Changes: - Fix resource leak in xe_guc_ct_init_noalloc()'s error path (Shuicheng Lin) - Fix stack_depot usage without STACKDEPOT_ALWAYS_INIT (Lucas) - Fix overflow in conversion from clock tics to msec (Harish Chegondi) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patch.msgid.link/7ejiqjgthpqybg5svmkind2pszk4fqadxuq7rngchaaw76iept@5pn6sngqj6lk
2025-11-28Merge tag 'drm-misc-fixes-2025-11-27' of ↵Dave Airlie5-27/+31
https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: bridge: - sil902x: Fix HDMI detection imagination: - Update documentation sti: - Fix leaks in probe vga_switcheroo: - Avoid race condition during fbcon initialization Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patch.msgid.link/20251127081007.GA13578@2a02-2454-fd5e-fd00-689d-32c0-780c-bb87.dyn6.pyur.net
2025-11-28Merge tag 'amd-drm-fixes-6.18-2025-11-26' of ↵Dave Airlie11-20/+36
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.18-2025-11-26: amdgpu: - Unified MES fix - HDMI fix - Cursor fix - Bightness fix - EDID reading improvement - UserQ fix - Cyan Skillfish IP discovery fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patch.msgid.link/20251126204925.3316684-1-alexander.deucher@amd.com
2025-11-27Merge tag 'dma-mapping-6.18-2025-11-27' of ↵Linus Torvalds2-2/+4
git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux Pull dma-mapping fixes from Marek Szyprowski: "Two last minute fixes for the recently modified DMA API infrastructure: - proper handling of DMA_ATTR_MMIO in dma_iova_unlink() function (me) - regression fix for the code refactoring related to P2PDMA (Pranjal Shrivastava)" * tag 'dma-mapping-6.18-2025-11-27' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux: dma-direct: Fix missing sg_dma_len assignment in P2PDMA bus mappings iommu/dma: add missing support for DMA_ATTR_MMIO for dma_iova_unlink()
2025-11-27Merge tag 'acpi-6.18-rc8-2' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "One more urgent ACPI support fix for 6.18 There is one more commit that needs to be reverted after reverting problematic commit 7a8c994cbb2d ("ACPI: processor: idle: Optimize ACPI idle driver registration"), so revert it" * tag 'acpi-6.18-rc8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI: processor: Update cpuidle driver check in __acpi_processor_start()"
2025-11-28Merge tag 'drm-intel-fixes-2025-11-26' of ↵Dave Airlie2-6/+8
https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes - Reject async flips when PSR's selective fetch is enabled (Ville) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patch.msgid.link/aScgY8QMjmyJRBX2@intel.com
2025-11-27Revert "ACPI: processor: Update cpuidle driver check in ↵Rafael J. Wysocki1-1/+1
__acpi_processor_start()" Revert commit 8a1b5d412cb4 ("ACPI: processor: Update cpuidle driver check in __acpi_processor_start()") which depends on commit 7a8c994cbb2d ("ACPI: processor: idle: Optimize ACPI idle driver registration") that got reverted. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2025-11-27Merge tag 'ceph-for-6.18-rc8' of https://github.com/ceph/ceph-clientLinus Torvalds7-42/+66
Pull ceph fixes from Ilya Dryomov: "A patch to make sparse read handling work in msgr2 secure mode from Slava and a couple of fixes from Ziming and myself to avoid operating on potentially invalid memory, all marked for stable" * tag 'ceph-for-6.18-rc8' of https://github.com/ceph/ceph-client: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() libceph: replace BUG_ON with bounds check for map->max_osd ceph: fix crash in process_v2_sparse_read() for encrypted directories libceph: drop started parameter of __ceph_open_session() libceph: fix potential use-after-free in have_mon_and_osd_map()
2025-11-27Merge tag 'net-6.18-rc8' of ↵Linus Torvalds49-353/+700
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from bluetooth and CAN. No known outstanding regressions. Current release - regressions: - mptcp: initialize rcv_mss before calling tcp_send_active_reset() - eth: mlx5e: fix validation logic in rate limiting Previous releases - regressions: - xsk: avoid data corruption on cq descriptor number - bluetooth: - prevent race in socket write iter and sock bind - fix not generating mackey and ltk when repairing - can: - kvaser_usb: fix potential infinite loop in command parsers - rcar_canfd: fix CAN-FD mode as default - eth: - veth: reduce XDP no_direct return section to fix race - virtio-net: avoid unnecessary checksum calculation on guest RX Previous releases - always broken: - sched: fix TCF_LAYER_TRANSPORT handling in tcf_get_base_ptr() - bluetooth: mediatek: fix kernel crash when releasing iso interface - vhost: rewind next_avail_head while discarding descriptors - eth: - r8169: fix RTL8127 hang on suspend/shutdown - aquantia: add missing descriptor cache invalidation on ATL2 - dsa: microchip: fix resource releases in error path" * tag 'net-6.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits) mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose(). net: fec: do not register PPS event for PEROUT net: fec: do not allow enabling PPS and PEROUT simultaneously net: fec: do not update PEROUT if it is enabled net: fec: cancel perout_timer when PEROUT is disabled net: mctp: unconditionally set skb->dev on dst output net: atlantic: fix fragment overflow handling in RX path MAINTAINERS: separate VIRTIO NET DRIVER and add netdev virtio-net: avoid unnecessary checksum calculation on guest RX eth: fbnic: Fix counter roll-over issue mptcp: clear scheduled subflows on retransmit net: dsa: sja1105: fix SGMII linking at 10M or 100M but not passing traffic s390/net: list Aswin Karuvally as maintainer net: wwan: mhi: Keep modem name match with Foxconn T99W640 vhost: rewind next_avail_head while discarding descriptors net/sched: em_canid: fix uninit-value in em_canid_match can: rcar_canfd: Fix CAN-FD mode as default xsk: avoid data corruption on cq descriptor number r8169: fix RTL8127 hang on suspend/shutdown net: sxgbe: fix potential NULL dereference in sxgbe_rx() ...
2025-11-27Merge tag 'platform-drivers-x86-v6.18-5' of ↵Linus Torvalds2-7/+11
git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull platform driver fixes from Ilpo Järvinen: - arm64/thinkpad-t14s-ec: - Fix IRQ race condition - Sleep after EC access - intel/punit_ipc: Fix memory corruption * tag 'platform-drivers-x86-v6.18-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86: intel: punit_ipc: fix memory corruption platform: arm64: thinkpad-t14s-ec: sleep after EC access platform: arm64: thinkpad-t14s-ec: fix IRQ race condition
2025-11-27mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in ↵Kuniyuki Iwashima1-0/+6
mptcp_do_fastclose(). syzbot reported divide-by-zero in __tcp_select_window() by MPTCP socket. [0] We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 ("tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0"). Let's apply the same fix to mptcp_do_fastclose(). [0]: Oops: divide error: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 6068 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__tcp_select_window+0x824/0x1320 net/ipv4/tcp_output.c:3336 Code: ff ff ff 44 89 f1 d3 e0 89 c1 f7 d1 41 01 cc 41 21 c4 e9 a9 00 00 00 e8 ca 49 01 f8 e9 9c 00 00 00 e8 c0 49 01 f8 44 89 e0 99 <f7> 7c 24 1c 41 29 d4 48 bb 00 00 00 00 00 fc ff df e9 80 00 00 00 RSP: 0018:ffffc90003017640 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88807b469e40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003017730 R08: ffff888033268143 R09: 1ffff1100664d028 R10: dffffc0000000000 R11: ffffed100664d029 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 000055557faa0500(0000) GS:ffff888126135000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f64a1912ff8 CR3: 0000000072122000 CR4: 00000000003526f0 Call Trace: <TASK> tcp_select_window net/ipv4/tcp_output.c:281 [inline] __tcp_transmit_skb+0xbc7/0x3aa0 net/ipv4/tcp_output.c:1568 tcp_transmit_skb net/ipv4/tcp_output.c:1649 [inline] tcp_send_active_reset+0x2d1/0x5b0 net/ipv4/tcp_output.c:3836 mptcp_do_fastclose+0x27e/0x380 net/mptcp/protocol.c:2793 mptcp_disconnect+0x238/0x710 net/mptcp/protocol.c:3253 mptcp_sendmsg_fastopen+0x2f8/0x580 net/mptcp/protocol.c:1776 mptcp_sendmsg+0x1774/0x1980 net/mptcp/protocol.c:1855 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0xe5/0x270 net/socket.c:742 __sys_sendto+0x3bd/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f66e998f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffff9acedb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f66e9be5fa0 RCX: 00007f66e998f749 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ffff9acee10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f66e9be5fa0 R14: 00007f66e9be5fa0 R15: 0000000000000006 </TASK> Fixes: ae155060247b ("mptcp: fix duplicate reset on fastclose") Reported-by: syzbot+3a92d359bc2ec6255a33@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/69260882.a70a0220.d98e3.00b4.GAE@google.com/ Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20251125195331.309558-1-kuniyu@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-11-27spi: nxp-fspi: Propagate fwnode in ACPI case as wellAndy Shevchenko1-5/+5
Propagate fwnode of the ACPI device to the SPI controller Linux device. Currently only OF case propagates fwnode to the controller. While at it, replace several calls to dev_fwnode() with a single one cached in a local variable, and unify checks for fwnode type by using is_*_node() APIs. Fixes: 55ab8487e01d ("spi: spi-nxp-fspi: Add ACPI support") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Haibo Chen <haibo.chen@nxp.com> Link: https://patch.msgid.link/20251126202501.2319679-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-11-27regulator: rtq2208: Correct LDO2 logic judgment bitsChiYuan Huang1-1/+1
The LDO2 judgement bit position should be 7, not 6. Cc: stable@vger.kernel.org Reported-by: Yoon Dong Min <dm.youn@telechips.com> Fixes: b65439d90150 ("regulator: rtq2208: Fix the LDO DVS capability") Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> Link: https://patch.msgid.link/faadb009f84b88bfcabe39fc5009c7357b00bbe2.1764209258.git.cy_huang@richtek.com Signed-off-by: Mark Brown <broonie@kernel.org>