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2022-07-10Linux 5.19-rc6v5.19-rc6Linus Torvalds1-1/+1
2022-07-10Merge branch 'hot-fixes' (fixes for rc6)Linus Torvalds3-13/+18
This is a collection of three fixes for small annoyances. Two of these are already pending in other trees, but I really don't want to release another -rc with these issues pending, so I picked up the patches for these things directly. We'll end up with duplicate commits eventually, I prefer that over having these issues pending. The third one is just me getting rid of another BUG_ON() just because it was reported and I dislike those things so much. * merge 'hot-fixes' branch: ida: don't use BUG_ON() for debugging drm/aperture: Run fbdev removal before internal helpers ptrace: fix clearing of JOBCTL_TRACED in ptrace_unfreeze_traced()
2022-07-10ida: don't use BUG_ON() for debuggingLinus Torvalds1-1/+2
This is another old BUG_ON() that just shouldn't exist (see also commit a382f8fee42c: "signal handling: don't use BUG_ON() for debugging"). In fact, as Matthew Wilcox points out, this condition shouldn't really even result in a warning, since a negative id allocation result is just a normal allocation failure: "I wonder if we should even warn here -- sure, the caller is trying to free something that wasn't allocated, but we don't warn for kfree(NULL)" and goes on to point out how that current error check is only causing people to unnecessarily do their own index range checking before freeing it. This was noted by Itay Iellin, because the bluetooth HCI socket cookie code does *not* do that range checking, and ends up just freeing the error case too, triggering the BUG_ON(). The HCI code requires CAP_NET_RAW, and seems to just result in an ugly splat, but there really is no reason to BUG_ON() here, and we have generally striven for allocation models where it's always ok to just do free(alloc()); even if the allocation were to fail for some random reason (usually obviously that "random" reason being some resource limit). Fixes: 88eca0207cf1 ("ida: simplified functions for id allocation") Reported-by: Itay Iellin <ieitayie@gmail.com> Suggested-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-10Merge tag 'dmaengine-fix-5.19' of ↵Linus Torvalds11-56/+43
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine Pull dmaengine fixes from Vinod Koul: "One core fix for DMA_INTERRUPT and rest driver fixes. Core: - Revert verification of DMA_INTERRUPT capability as that was incorrect Bunch of driver fixes for: - ti: refcount and put_device leak - qcom_bam: runtime pm overflow - idxd: force wq context cleanup and call idxd_enable_system_pasid() on success - dw-axi-dmac: RMW on channel suspend register - imx-sdma: restart cyclic channel when enabled - at_xdma: error handling for at_xdmac_alloc_desc - pl330: lockdep warning - lgm: error handling path in probe - allwinner: Fix min/max typo in binding" * tag 'dmaengine-fix-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo dmaengine: lgm: Fix an error handling path in intel_ldma_probe() dmaengine: pl330: Fix lockdep warning about non-static key dmaengine: idxd: Only call idxd_enable_system_pasid() if succeeded in enabling SVA feature dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly dmaengine: imx-sdma: only restart cyclic channel when enabled dmaengine: dw-axi-dmac: Fix RMW on channel suspend register dmaengine: idxd: force wq context cleanup on device disable path dmaengine: qcom: bam_dma: fix runtime PM underflow dmaengine: imx-sdma: Allow imx8m for imx7 FW revs dmaengine: Revert "dmaengine: add verification of DMA_INTERRUPT capability for dmatest" dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
2022-07-10Merge tag 'staging-5.19-rc6' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fix from Greg KH: "Here is a single staging driver fix for a reported problem that showed up in 5.19-rc1 in the wlan-ng driver. It has been in linux-next for a week with no reported problems" * tag 'staging-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging/wlan-ng: get the correct struct hfa384x in work callback
2022-07-10Merge tag 'char-misc-5.19-rc6' of ↵Linus Torvalds3-24/+31
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are four small char/misc driver fixes for 5.19-rc6 to resolve some reported issues. They only affect two drivers: - rtsx_usb: fix for of-reported DMA warning error, the driver was handling memory buffers in odd ways, it has now been fixed up to be much simpler and correct by Shuah. - at25 eeprom driver bugfix for reported problem All of these have been in linux-next for a week with no reported problems" * tag 'char-misc-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc: rtsx_usb: set return value in rsp_buf alloc err path misc: rtsx_usb: use separate command and response buffers misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer eeprom: at25: Rework buggy read splitting
2022-07-10Merge tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-blockLinus Torvalds1-0/+3
Pull io_uring fix from Jens Axboe: "A single fix for an issue that came up yesterday that we should plug for -rc6. This is a regression introduced in this cycle" * tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-block: io_uring: check that we have a file table when allocating update slots
2022-07-10Merge tag 'kbuild-fixes-v5.19-3' of ↵Linus Torvalds2-6/+3
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Adjust gen_compile_commands.py to the format change of *.mod files - Remove unused macro in scripts/Makefile.modinst * tag 'kbuild-fixes-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: remove unused cmd_none in scripts/Makefile.modinst gen_compile_commands: handle multiple lines per .mod file
2022-07-10Merge tag 'irq_urgent_for_v5.19_rc6' of ↵Linus Torvalds3-12/+33
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Borislav Petkov: - Gracefully handle failure to request MMIO resources in the GICv3 driver - Make a static key static in the Apple AIC driver - Fix the Xilinx intc driver dependency on OF_ADDRESS * tag 'irq_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/apple-aic: Make symbol 'use_fast_ipi' static irqchip/xilinx: Add explicit dependency on OF_ADDRESS irqchip/gicv3: Handle resource request failure consistently
2022-07-10Merge tag 'x86_urgent_for_v5.19_rc6' of ↵Linus Torvalds8-16/+29
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Prepare for and clear .brk early in order to address XenPV guests failures where the hypervisor verifies page tables and uninitialized data in that range leads to bogus failures in those checks - Add any potential setup_data entries supplied at boot to the identity pagetable mappings to prevent kexec kernel boot failures. Usually, this is not a problem for the normal kernel as those mappings are part of the initially mapped 2M pages but if kexec gets to allocate the second kernel somewhere else, those setup_data entries need to be mapped there too. - Fix objtool not to discard text references from the __tracepoints section so that ENDBR validation still works - Correct the setup_data types limit as it is user-visible, before 5.19 releases * tag 'x86_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Fix the setup data types max limit x86/ibt, objtool: Don't discard text references from tracepoint section x86/compressed/64: Add identity mappings for setup_data entries x86: Fix .brk attribute in linker script x86: Clear .brk area at early boot x86/xen: Use clear_bss() for Xen PV guests
2022-07-10kbuild: remove unused cmd_none in scripts/Makefile.modinstMasahiro Yamada1-3/+0
Commit 65ce9c38326e ("kbuild: move module strip/compression code into scripts/Makefile.modinst") added this unused code. Perhaps, I thought cmd_none was useful for CONFIG_MODULE_COMPRESS_NONE, but I did not use it after all. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
2022-07-10x86/boot: Fix the setup data types max limitBorislav Petkov1-1/+1
Commit in Fixes forgot to change the SETUP_TYPE_MAX definition which contains the highest valid setup data type. Correct that. Fixes: 5ea98e01ab52 ("x86/boot: Add Confidential Computing type to setup_data") Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/ddba81dd-cc92-699c-5274-785396a17fb5@zytor.com
2022-07-09Merge tag 'i2c-for-5.19-rc6' of ↵Linus Torvalds2-9/+8
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Two I2C driver bugfixes preventing resource leaks" * tag 'i2c-for-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: cadence: Unregister the clk notifier in error path i2c: piix4: Fix a memory leak in the EFCH MMIO support
2022-07-09drm/aperture: Run fbdev removal before internal helpersThomas Zimmermann1-11/+15
Always run fbdev removal first to remove simpledrm via sysfb_disable(). This clears the internal state. The later call to drm_aperture_detach_drivers() then does nothing. Otherwise, with drm_aperture_detach_drivers() running first, the call to sysfb_disable() uses inconsistent state. Example backtrace show below: BUG: KASAN: use-after-free in device_del+0x79/0x5f0 Read of size 8 at addr ffff888108185050 by task systemd-udevd/311 CPU: 0 PID: 311 Comm: systemd-udevd Tainted: G E 5.19.0-rc2-1-default+ #1689 Hardware name: HP ProLiant DL120 G7, BIOS J01 04/21/2011 Call Trace: device_del+0x79/0x5f0 platform_device_del.part.0+0x19/0xe0 platform_device_unregister+0x1c/0x30 sysfb_disable+0x2d/0x70 remove_conflicting_framebuffers+0x1c/0xf0 remove_conflicting_pci_framebuffers+0x130/0x1a0 drm_aperture_remove_conflicting_pci_framebuffers+0x86/0xb0 mgag200_pci_probe+0x2d/0x140 [mgag200] Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 873eb3b11860 ("fbdev: Disable sysfb device registration when removing conflicting FBs") Cc: Javier Martinez Canillas <javierm@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Helge Deller <deller@gmx.de> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Zhen Lei <thunder.leizhen@huawei.com> Cc: Changcheng Deng <deng.changcheng@zte.com.cn> Reviewed-by: Zack Rusin <zackr@vmware.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-09ptrace: fix clearing of JOBCTL_TRACED in ptrace_unfreeze_traced()Sven Schnelle1-1/+1
CI reported the following splat while running the strace testsuite: WARNING: CPU: 1 PID: 3570031 at kernel/ptrace.c:272 ptrace_check_attach+0x12e/0x178 CPU: 1 PID: 3570031 Comm: strace Tainted: G OE 5.19.0-20220624.rc3.git0.ee819a77d4e7.300.fc36.s390x #1 Hardware name: IBM 3906 M04 704 (z/VM 7.1.0) Call Trace: [<00000000ab4b645a>] ptrace_check_attach+0x132/0x178 ([<00000000ab4b6450>] ptrace_check_attach+0x128/0x178) [<00000000ab4b6cde>] __s390x_sys_ptrace+0x86/0x160 [<00000000ac03fcec>] __do_syscall+0x1d4/0x200 [<00000000ac04e312>] system_call+0x82/0xb0 Last Breaking-Event-Address: [<00000000ab4ea3c8>] wait_task_inactive+0x98/0x190 This is because JOBCTL_TRACED is set, but the task is not in TASK_TRACED state. Caused by ptrace_unfreeze_traced() which does: task->jobctl &= ~TASK_TRACED but it should be: task->jobctl &= ~JOBCTL_TRACED Fixes: 31cae1eaae4f ("sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state") Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Tested-by: Alexander Gordeev <agordeev@linux.ibm.com> Acked-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-09Merge tag 'powerpc-5.19-5' of ↵Linus Torvalds1-6/+10
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fix from Michael Ellerman: - On Power8 bare metal, fix creation of RNG platform devices, which are needed for the /dev/hwrng driver to probe correctly. Thanks to Jason A. Donenfeld, and Sachin Sant. * tag 'powerpc-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/powernv: delay rng platform device creation until later in boot
2022-07-09io_uring: check that we have a file table when allocating update slotsJens Axboe1-0/+3
If IORING_FILE_INDEX_ALLOC is set asking for an allocated slot, the helper doesn't check if we actually have a file table or not. The non alloc path does do that correctly, and returns -ENXIO if we haven't set one up. Do the same for the allocated path, avoiding a NULL pointer dereference when trying to find a free bit. Fixes: a7c41b4687f5 ("io_uring: let IORING_OP_FILES_UPDATE support choosing fixed file slots") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-08Merge tag 'fscache-fixes-20220708' of ↵Linus Torvalds4-7/+27
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs Pull fscache fixes from David Howells: - Fix a check in fscache_wait_on_volume_collision() in which the polarity is reversed. It should complain if a volume is still marked acquisition-pending after 20s, but instead complains if the mark has been cleared (ie. the condition has cleared). Also switch an open-coded test of the ACQUIRE_PENDING volume flag to use the helper function for consistency. - Not a fix per se, but neaten the code by using a helper to check for the DROPPED state. - Fix cachefiles's support for erofs to only flush requests associated with a released control file, not all requests. - Fix a race between one process invalidating an object in the cache and another process trying to look it up. * tag 'fscache-fixes-20220708' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: fscache: Fix invalidation/lookup race cachefiles: narrow the scope of flushed requests when releasing fd fscache: Introduce fscache_cookie_is_dropped() fscache: Fix if condition in fscache_wait_on_volume_collision()
2022-07-08Merge tag 'acpi-5.19-rc6' of ↵Linus Torvalds5-9/+35
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fixes from Rafael Wysocki: "These fix two recent regressions related to CPPC support. Specifics: - Prevent _CPC from being used if the platform firmware does not confirm CPPC v2 support via _OSC (Mario Limonciello) - Allow systems with X86_FEATURE_CPPC set to use _CPC even if CPPC support cannot be agreed on via _OSC (Mario Limonciello)" * tag 'acpi-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: CPPC: Don't require _OSC if X86_FEATURE_CPPC is supported ACPI: CPPC: Only probe for _CPC if CPPC v2 is acked
2022-07-08Merge tag 'pm-5.19-rc6' of ↵Linus Torvalds4-31/+27
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix a NULL pointer dereference in a devfreq driver and a runtime PM framework issue that may cause a supplier device to be suspended before its consumer. Specifics: - Fix NULL pointer dereference related to printing a diagnostic message in the exynos-bus devfreq driver (Christian Marangi) - Fix race condition in the runtime PM framework which in some cases may cause a supplier device to be suspended when its consumer is still active (Rafael Wysocki)" * tag 'pm-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / devfreq: exynos-bus: Fix NULL pointer dereference PM: runtime: Fix supplier device management during consumer probe PM: runtime: Redefine pm_runtime_release_supplier()
2022-07-08Merge tag 'cxl-fixes-for-5.19-rc6' of ↵Linus Torvalds10-14/+25
git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull cxl fixes from Vishal Verma: - Update MAINTAINERS for Ben's email - Fix cleanup of port devices on failure to probe driver - Fix endianness in get/set LSA mailbox command structures - Fix memregion_free() fallback definition - Fix missing variable payload checks in CXL cmd size validation * tag 'cxl-fixes-for-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: cxl/mbox: Fix missing variable payload checks in cmd size validation memregion: Fix memregion_free() fallback definition cxl/mbox: Use __le32 in get,set_lsa mailbox structures cxl/core: Use is_endpoint_decoder cxl: Fix cleanup of port devices on failure to probe driver. MAINTAINERS: Update Ben's email address
2022-07-08Merge tag 'iommu-fixes-v5.19-rc5' of ↵Linus Torvalds6-106/+4
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - fix device setup failures in the Intel VT-d driver when the PASID table is shared - fix Intel VT-d device hot-add failure due to wrong device notifier order - remove the old IOMMU mailing list from the MAINTAINERS file now that it has been retired * tag 'iommu-fixes-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: MAINTAINERS: Remove iommu@lists.linux-foundation.org iommu/vt-d: Fix RID2PASID setup/teardown failure iommu/vt-d: Fix PCI bus rescan device hot add
2022-07-08Merge tag 'gpio-fixes-for-v5.19-rc6' of ↵Linus Torvalds2-3/+5
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - fix a build error in gpio-vf610 - fix a null-pointer dereference in the GPIO character device code * tag 'gpio-fixes-for-v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: cdev: fix null pointer dereference in linereq_free() gpio: vf610: fix compilation error
2022-07-08Merge branch 'pm-core'Rafael J. Wysocki3-28/+24
Merge a runtime PM framework cleanup and fix related to device links. * pm-core: PM: runtime: Fix supplier device management during consumer probe PM: runtime: Redefine pm_runtime_release_supplier()
2022-07-08Merge tag 'block-5.19-2022-07-08' of git://git.kernel.dk/linux-blockLinus Torvalds3-2/+5
Pull block fixes from Jens Axboe: "NVMe pull request with another id quirk addition, and a tracing fix" * tag 'block-5.19-2022-07-08' of git://git.kernel.dk/linux-block: nvme: use struct group for generic command dwords nvme-pci: phison e16 has bogus namespace ids
2022-07-08Merge tag 'io_uring-5.19-2022-07-08' of git://git.kernel.dk/linux-blockLinus Torvalds2-2/+5
Pull io_uring tweak from Jens Axboe: "Just a minor tweak to an addition made in this release cycle: padding a 32-bit value that's in a 64-bit union to avoid any potential funkiness from that" * tag 'io_uring-5.19-2022-07-08' of git://git.kernel.dk/linux-block: io_uring: explicit sqe padding for ioctl commands
2022-07-08Merge tag 'for-5.19/fbdev-3' of ↵Linus Torvalds4-2/+53
git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev Pull fbdev fixes from Helge Deller: - fbcon now prevents switching to screen resolutions which are smaller than the font size, and prevents enabling a font which is bigger than the current screen resolution. This fixes vmalloc-out-of-bounds accesses found by KASAN. - Guiling Deng fixed a bug where the centered fbdev logo wasn't displayed correctly if the screen size matched the logo size. - Hsin-Yi Wang provided a patch to include errno.h to fix build when CONFIG_OF isn't enabled. * tag 'for-5.19/fbdev-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: fbcon: Use fbcon_info_from_console() in fbcon_modechange_possible() fbmem: Check virtual screen sizes in fb_set_var() fbcon: Prevent that screen size is smaller than font size fbcon: Disallow setting font bigger than screen size video: of_display_timing.h: include errno.h fbdev: fbmem: Fix logo center image dx issue
2022-07-08MAINTAINERS: Remove iommu@lists.linux-foundation.orgJoerg Roedel1-11/+0
The IOMMU mailing list has moved to iommu@lists.linux.dev and the old list should bounce by now. Remove it from the MAINTAINERS file. Cc: stable@vger.kernel.org Signed-off-by: Joerg Roedel <jroedel@suse.de> Link: https://lore.kernel.org/r/20220706103331.10215-1-joro@8bytes.org
2022-07-07Merge tag 'nvme-5.19-2022-07-07' of git://git.infradead.org/nvme into block-5.19Jens Axboe3-2/+5
Pull NVMe fixes from Christoph: "nvme fixes for Linux 5.19 - another bogus identifier quirk (Keith Busch) - use struct group in the tracer to avoid a gcc warning (Keith Busch)" * tag 'nvme-5.19-2022-07-07' of git://git.infradead.org/nvme: nvme: use struct group for generic command dwords nvme-pci: phison e16 has bogus namespace ids
2022-07-07io_uring: explicit sqe padding for ioctl commandsPavel Begunkov2-2/+5
32 bit sqe->cmd_op is an union with 64 bit values. It's always a good idea to do padding explicitly. Also zero check it in prep, so it can be used in the future if needed without compatibility concerns. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/e6b95a05e970af79000435166185e85b196b2ba2.1657202417.git.asml.silence@gmail.com [axboe: turn bitwise OR into logical variant] Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-07i2c: cadence: Unregister the clk notifier in error pathSatish Nagireddy1-0/+1
This patch ensures that the clock notifier is unregistered when driver probe is returning error. Fixes: df8eb5691c48 ("i2c: Add driver for Cadence I2C controller") Signed-off-by: Satish Nagireddy <satish.nagireddy@getcruise.com> Tested-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Michal Simek <michal.simek@amd.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-07-07Merge tag 'devfreq-fixes-for-5.19-rc6' of ↵Rafael J. Wysocki1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux Pull a devfreq fix for 5.19-rc6 from Chanwoo Choi: "- Fix exynos-bus NULL pointer dereference by correctly using the local generated freq_table to output the debug values instead of using the profile freq_table that is not used in the driver." * tag 'devfreq-fixes-for-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux: PM / devfreq: exynos-bus: Fix NULL pointer dereference
2022-07-08PM / devfreq: exynos-bus: Fix NULL pointer dereferenceChristian Marangi1-3/+3
Fix exynos-bus NULL pointer dereference by correctly using the local generated freq_table to output the debug values instead of using the profile freq_table that is not used in the driver. Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Fixes: b5d281f6c16d ("PM / devfreq: Rework freq_table to be local to devfreq struct") Cc: stable@vger.kernel.org Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2022-07-07Merge tag 'loongarch-fixes-5.19-4' of ↵Linus Torvalds8-19/+2
git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch fixes from Huacai Chen: "A fix for tinyconfig build error, a fix for section mismatch warning, and two cleanups of obsolete code" * tag 'loongarch-fixes-5.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: LoongArch: Fix section mismatch warning LoongArch: Fix build errors for tinyconfig LoongArch: Remove obsolete mentions of vcsr LoongArch: Drop these obsolete selects in Kconfig
2022-07-07Merge tag 'net-5.19-rc6' of ↵Linus Torvalds65-524/+1089
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from bpf, netfilter, can, and bluetooth. Current release - regressions: - bluetooth: fix deadlock on hci_power_on_sync Previous releases - regressions: - sched: act_police: allow 'continue' action offload - eth: usbnet: fix memory leak in error case - eth: ibmvnic: properly dispose of all skbs during a failover Previous releases - always broken: - bpf: - fix insufficient bounds propagation from adjust_scalar_min_max_vals - clear page contiguity bit when unmapping pool - netfilter: nft_set_pipapo: release elements in clone from abort path - mptcp: netlink: issue MP_PRIO signals from userspace PMs - can: - rcar_canfd: fix data transmission failed on R-Car V3U - gs_usb: gs_usb_open/close(): fix memory leak Misc: - add Wenjia as SMC maintainer" * tag 'net-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits) wireguard: Kconfig: select CRYPTO_CHACHA_S390 crypto: s390 - do not depend on CRYPTO_HW for SIMD implementations wireguard: selftests: use microvm on x86 wireguard: selftests: always call kernel makefile wireguard: selftests: use virt machine on m68k wireguard: selftests: set fake real time in init r8169: fix accessing unset transport header net: rose: fix UAF bug caused by rose_t0timer_expiry usbnet: fix memory leak in error case Revert "tls: rx: move counting TlsDecryptErrors for sync" mptcp: update MIB_RMSUBFLOW in cmd_sf_destroy mptcp: fix local endpoint accounting selftests: mptcp: userspace PM support for MP_PRIO signals mptcp: netlink: issue MP_PRIO signals from userspace PMs mptcp: Acquire the subflow socket lock before modifying MP_PRIO flags mptcp: Avoid acquiring PM lock for subflow priority changes mptcp: fix locking in mptcp_nl_cmd_sf_destroy() net/mlx5e: Fix matchall police parameters validation net/sched: act_police: allow 'continue' action offload net: lan966x: hardcode the number of external ports ...
2022-07-07Merge tag 'pinctrl-v5.19-2' of ↵Linus Torvalds6-16/+23
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: - Tag Intel pin control as supported in MAINTAINERS - Fix a NULL pointer exception in the Aspeed driver - Correct some NAND functions in the Sunxi A83T driver - Use the right offset for some Sunxi pins - Fix a zero base offset in the Freescale (NXP) i.MX93 - Fix the IRQ support in the STM32 driver * tag 'pinctrl-v5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: stm32: fix optional IRQ support to gpios pinctrl: imx: Add the zero base flag for imx93 pinctrl: sunxi: sunxi_pconf_set: use correct offset pinctrl: sunxi: a83t: Fix NAND function name for some pins pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux() MAINTAINERS: Update Intel pin control to Supported
2022-07-07signal handling: don't use BUG_ON() for debuggingLinus Torvalds1-4/+4
These are indeed "should not happen" situations, but it turns out recent changes made the 'task_is_stopped_or_trace()' case trigger (fix for that exists, is pending more testing), and the BUG_ON() makes it unnecessarily hard to actually debug for no good reason. It's been that way for a long time, but let's make it clear: BUG_ON() is not good for debugging, and should never be used in situations where you could just say "this shouldn't happen, but we can continue". Use WARN_ON_ONCE() instead to make sure it gets logged, and then just continue running. Instead of making the system basically unusuable because you crashed the machine while potentially holding some very core locks (eg this function is commonly called while holding 'tasklist_lock' for writing). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-07x86/ibt, objtool: Don't discard text references from tracepoint sectionPeter Zijlstra1-2/+1
On Tue, Jun 28, 2022 at 04:28:58PM +0800, Pengfei Xu wrote: > # ./ftracetest > === Ftrace unit tests === > [1] Basic trace file check [PASS] > [2] Basic test for tracers [PASS] > [3] Basic trace clock test [PASS] > [4] Basic event tracing check [PASS] > [5] Change the ringbuffer size [PASS] > [6] Snapshot and tracing setting [PASS] > [7] trace_pipe and trace_marker [PASS] > [8] Test ftrace direct functions against tracers [UNRESOLVED] > [9] Test ftrace direct functions against kprobes [UNRESOLVED] > [10] Generic dynamic event - add/remove eprobe events [FAIL] > [11] Generic dynamic event - add/remove kprobe events > > It 100% reproduced in step 11 and then missing ENDBR BUG generated: > " > [ 9332.752836] mmiotrace: enabled CPU7. > [ 9332.788612] mmiotrace: disabled. > [ 9337.103426] traps: Missing ENDBR: syscall_regfunc+0x0/0xb0 It turns out that while syscall_regfunc() does have an ENDBR when generated, it gets sealed by objtool's .ibt_endbr_seal list. Since the only text references to this function: $ git grep syscall_regfunc include/linux/tracepoint.h:extern int syscall_regfunc(void); include/trace/events/syscalls.h: syscall_regfunc, syscall_unregfunc include/trace/events/syscalls.h: syscall_regfunc, syscall_unregfunc kernel/tracepoint.c:int syscall_regfunc(void) appear in the __tracepoint section which is excluded by objtool. Fixes: 3c6f9f77e618 ("objtool: Rework ibt and extricate from stack validation") Reported-by: Pengfei Xu <pengfei.xu@intel.com Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/Yrrepdaow4F5kqG0@hirez.programming.kicks-ass.net
2022-07-07gpiolib: cdev: fix null pointer dereference in linereq_free()Kent Gibson1-3/+4
Fix a kernel NULL pointer dereference reported by gpio kselftests. linereq_free() can be called as part of the cleanup of a failed request, at which time the desc for a line may not have been determined, so it is unsafe to dereference without a check. Add a check prior to dereferencing the line desc. Fixes: 2068339a6c35 ("gpiolib: cdev: Add hardware timestamp clock type") Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-07LoongArch: Fix section mismatch warningTiezhu Yang1-1/+0
init_numa_memory() is annotated __init and not used by any module, thus don't export it. Remove not needed EXPORT_SYMBOL for init_numa_memory() to fix the following section mismatch warning: MODPOST vmlinux.symvers WARNING: modpost: vmlinux.o(___ksymtab+init_numa_memory+0x0): Section mismatch in reference from the variable __ksymtab_init_numa_memory to the function .init.text:init_numa_memory() The symbol init_numa_memory is exported and annotated __init Fix this by removing the __init annotation of init_numa_memory or drop the export. This is build on Linux 5.19-rc4. Fixes: d4b6f1562a3c ("LoongArch: Add Non-Uniform Memory Access (NUMA) support") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-07-07LoongArch: Fix build errors for tinyconfigHuacai Chen2-0/+2
Building loongarch:tinyconfig fails with the following error. ./arch/loongarch/include/asm/page.h: In function 'pfn_valid': ./arch/loongarch/include/asm/page.h:42:32: error: 'PHYS_OFFSET' undeclared Add the missing include file and fix succeeding vdso errors. Fixes: 09cfefb7fa70 ("LoongArch: Add memory management") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-07-07LoongArch: Remove obsolete mentions of vcsrQi Hu4-14/+0
The `vcsr` only exists in the old hardware design, it isn't used in any shipped hardware from Loongson-3A5000 on. Both scalar FP and LSX/LASX instructions use the `fcsr` as their control and status registers now. For example, the RM control bit in fcsr0 is shared by FP, LSX and LASX instructions. Particularly, fcsr16 to fcsr31 are reserved for LSX/LASX now, access to these registers has no visible effect if LSX/LASX is enabled, and will cause SXD/ASXD exceptions if LSX/LASX is not enabled. So, mentions of vcsr are obsolete in the first place (it was just used for debugging), let's remove them. Reviewed-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Qi Hu <huqi@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-07-07LoongArch: Drop these obsolete selects in KconfigLukas Bulwahn1-4/+0
Commit fa96b57c1490 ("LoongArch: Add build infrastructure") adds the new file arch/loongarch/Kconfig. As the work on LoongArch was probably quite some time under development, various config symbols have changed and disappeared from the time of initial writing of the Kconfig file and its inclusion in the repository. The following four commits: commit c126a53c2760 ("arch: remove GENERIC_FIND_FIRST_BIT entirely") commit 140c8180eb7c ("arch: remove HAVE_COPY_THREAD_TLS") commit aca52c398389 ("mm: remove CONFIG_HAVE_MEMBLOCK") commit 3f08a302f533 ("mm: remove CONFIG_HAVE_MEMBLOCK_NODE_MAP option") remove the mentioned config symbol, and enable the intended setup by default without configuration. Drop these obsolete selects in loongarch's Kconfig. Reviewed-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-07-07fbcon: Use fbcon_info_from_console() in fbcon_modechange_possible()Helge Deller1-1/+1
Use the fbcon_info_from_console() wrapper which was added to kernel v5.19 with commit 409d6c95f9c6 ("fbcon: Introduce wrapper for console->fb_info lookup"). Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
2022-07-07fbmem: Check virtual screen sizes in fb_set_var()Helge Deller1-0/+10
Verify that the fbdev or drm driver correctly adjusted the virtual screen sizes. On failure report the failing driver and reject the screen size change. Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: stable@vger.kernel.org # v5.4+
2022-07-07fbcon: Prevent that screen size is smaller than font sizeHelge Deller3-1/+35
We need to prevent that users configure a screen size which is smaller than the currently selected font size. Otherwise rendering chars on the screen will access memory outside the graphics memory region. This patch adds a new function fbcon_modechange_possible() which implements this check and which later may be extended with other checks if necessary. The new function is called from the FBIOPUT_VSCREENINFO ioctl handler in fbmem.c, which will return -EINVAL if userspace asked for a too small screen size. Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: stable@vger.kernel.org # v5.4+
2022-07-07fbcon: Disallow setting font bigger than screen sizeHelge Deller1-0/+5
Prevent that users set a font size which is bigger than the physical screen. It's unlikely this may happen (because screens are usually much larger than the fonts and each font char is limited to 32x32 pixels), but it may happen on smaller screens/LCD displays. Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: stable@vger.kernel.org # v4.14+
2022-07-06Merge branch 'wireguard-patches-for-5-19-rc6'Jakub Kicinski13-134/+157
Jason A. Donenfeld says: ==================== wireguard patches for 5.19-rc6 1) A few small fixups to the selftests, per usual. Of particular note is a fix for a test flake that occurred on especially fast systems that boot in less than a second. 2) An addition during this cycle of some s390 crypto interacted with the way wireguard selects dependencies, resulting in linker errors reported by the kernel test robot. So Vladis sent in a patch for that, which also required a small preparatory fix moving some Kconfig symbols around. ==================== Link: https://lore.kernel.org/r/20220707003157.526645-1-Jason@zx2c4.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-06wireguard: Kconfig: select CRYPTO_CHACHA_S390Vladis Dronov1-0/+1
Select the new implementation of CHACHA20 for S390 when available. It is faster than the generic software implementation, but also prevents some linker errors in certain situations. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/linux-kernel/202207030630.6SZVkrWf-lkp@intel.com/ Signed-off-by: Vladis Dronov <vdronov@redhat.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-06crypto: s390 - do not depend on CRYPTO_HW for SIMD implementationsJason A. Donenfeld2-115/+114
Various accelerated software implementation Kconfig values for S390 were mistakenly placed into drivers/crypto/Kconfig, even though they're mainly just SIMD code and live in arch/s390/crypto/ like usual. This gives them the very unusual dependency on CRYPTO_HW, which leads to problems elsewhere. This patch fixes the issue by moving the Kconfig values for non-hardware drivers into the usual place in crypto/Kconfig. Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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