- 14 May, 2024 21 commits
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Heiko Carstens authored
Make use of iucv_alloc_device() to get rid of quite some code. In addition this also removes a cast to an incompatible function (clang W=1): drivers/s390/char/vmlogrdr.c:746:18: error: cast from 'void (*)(const void *)' to 'void (*)(struct device *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict] 746 | dev->release = (void (*)(struct device *))kfree; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Reported-by:Nathan Chancellor <nathan@kernel.org> Closes: https://lore.kernel.org/r/20240417-s390-drivers-fix-cast-function-type-v1-1-fd048c9903b0@kernel.orgAcked-by:
Alexandra Winter <wintera@linux.ibm.com> Link: https://lore.kernel.org/r/20240506194454.1160315-3-hca@linux.ibm.comSigned-off-by:
Heiko Carstens <hca@linux.ibm.com> Signed-off-by:
Alexander Gordeev <agordeev@linux.ibm.com>
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Heiko Carstens authored
Provide iucv_alloc_device() and iucv_release_device() helper functions, which can be used to deduplicate more or less identical IUCV device allocation and release code in four different drivers. Suggested-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
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Sven Schnelle authored
Both do_airq_interrupt() and do_io_interrupt() set CIF_NOHZ_DELAY. Move it to do_io_irq() to simplify the code. Reviewed-by:
Sven Schnelle <svens@linux.ibm.com> Signed-off-by:
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Holger Dengler authored
Although the clear-key of neither protected- nor secure-keys is accessible, this key material should only be visible to the calling process. So wipe all copies of protected- or secure-keys from stack, even in case of an error. Reviewed-by:
Harald Freudenberger <freude@linux.ibm.com> Reviewed-by:
Ingo Franzki <ifranzki@linux.ibm.com> Acked-by:
Holger Dengler <dengler@linux.ibm.com> Signed-off-by:
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Holger Dengler authored
Wipe all sensitive data from stack for all IOCTLs, which convert a clear-key into a protected- or secure-key. Reviewed-by:
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Holger Dengler authored
Wipe sensitive data from stack also if the copy_to_user() fails. Suggested-by:
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Jules Irenge authored
Replace memzero_explicit() and kfree() with kfree_sensitive() to fix warnings reported by Coccinelle: WARNING opportunity for kfree_sensitive/kvfree_sensitive (line 1506) WARNING opportunity for kfree_sensitive/kvfree_sensitive (line 1643) WARNING opportunity for kfree_sensitive/kvfree_sensitive (line 1770) Signed-off-by:
Jules Irenge <jbi.octave@gmail.com> Reviewed-by:
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Thomas Huth authored
It has been removed in commit 2c6b9676 ("s390/fpu: remove TIF_FPU"), so we should not mention TIF_FPU in the comment here anymore. Since the remaining parts of the comment just document the obvious fact that save_user_fpu_regs() saves the FPU state, simply remove the comment now completely. Signed-off-by:
Thomas Huth <thuth@redhat.com> Acked-by:
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Sven Schnelle authored
Without __unitialized, the following code is generated when INIT_STACK_ALL_ZERO is enabled: 86: d7 0f f0 a0 f0 a0 xc 160(16,%r15), 160(%r15) 8c: e3 40 f0 a0 00 24 stg %r4, 160(%r15) 92: c0 10 00 00 00 08 larl %r1, 0xa2 98: e3 10 f0 a8 00 24 stg %r1, 168(%r15) 9e: b2 b2 f0 a0 lpswe 160(%r15) The xc is not adding any security because psw is fully initialized with the following instructions. Add __unitialized to the psw definitiation to avoid the superfluous clearing of psw. Reviewed-by:
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Sven Schnelle authored
Instead of implementing get_vtimer() use get_cpu_timer() which does the same. Reviewed-by:
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Sven Schnelle authored
To ease maintenance and further enhancements, convert the psw_idle() function to C. Reviewed-by:
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Heiko Carstens authored
Clear the backchain of the extra stack frame added by the vdso user wrapper code. This allows the user stack walker to detect and skip the non-standard stack frame. Without this an incorrect instruction pointer would be added to stack traces, and stack frame walking would be continued with a more or less random back chain. Fixes: aa44433a ("s390: add USER_STACKTRACE support") Reviewed-by:
Jens Remus <jremus@linux.ibm.com> Signed-off-by:
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Heiko Carstens authored
Introduce and use struct stack_frame_vdso_wrapper within vdso user wrapper code. With this structure it is possible to automatically generate an asm-offset define which can be used to save and restore the return address of the calling function. Also use STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to document that the code works with user space stack frames with the standard stack frame layout. Fixes: aa44433a ("s390: add USER_STACKTRACE support") Reviewed-by:
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Heiko Carstens authored
Add basic checks to identify invalid instruction pointers when walking stack frames: Instruction pointers must - have even addresses - be larger than mmap_min_addr - lower than the asce_limit of the process Alternatively it would also be possible to walk page tables similar to fast GUP and verify that the mapping of the corresponding page is executable, however that seems to be overkill. Fixes: aa44433a ("s390: add USER_STACKTRACE support") Reviewed-by:
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Heiko Carstens authored
When walking user stack frames the first stack frame (where the stack pointer points to) should be skipped: the return address of the current function is saved in the previous stack frame, not the current stack frame, which is allocated for to be called functions. Fixes: aa44433a ("s390: add USER_STACKTRACE support") Reviewed-by:
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Heiko Carstens authored
The two functions perf_callchain_user() and arch_stack_walk_user() are nearly identical. Reduce code duplication and add a common helper which can be called by both functions. Fixes: aa44433a ("s390: add USER_STACKTRACE support") Reviewed-by:
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Heiko Carstens authored
By default user space is compiled with standard stack frame layout and not with the packed stack layout. The vdso code however inherited the -mpacked-stack compiler option from the kernel. Remove this option to make sure the vdso is compiled with standard stack frame layout. This makes sure that the stack frame backchain location for vdso generated stack frames is the same like for calling code (if compiled with default options). This allows to manually walk stack frames without DWARF information, like the kernel is doing it e.g. with arch_stack_walk_user(). Fixes: 4bff8cb5 ("s390: convert to GENERIC_VDSO") Reviewed-by:
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Jens Remus authored
Citing Andy Lutomirski from commit dda1e95c ("x86/vdso: Create .build-id links for unstripped vdso files"): "With this change, doing 'make vdso_install' and telling gdb: set debug-file-directory /lib/modules/KVER/vdso will enable vdso debugging with symbols. This is useful for testing, but kernel RPM builds will probably want to manually delete these symlinks or otherwise do something sensible when they strip the vdso/*.so files." Fixes: 4bff8cb5 ("s390: convert to GENERIC_VDSO") Signed-off-by:
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Jens Remus authored
GDB fails to unwind vDSO functions with error message "PC not saved", for instance when stepping through gettimeofday(). Add -fasynchronous-unwind-tables to CFLAGS to generate .eh_frame DWARF unwind information for the vDSO C modules. Fixes: 4bff8cb5 ("s390: convert to GENERIC_VDSO") Signed-off-by:
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Claudio Imbrenda authored
Add the table type and ACCF validity bits to _SEGMENT_ENTRY_BITS and _SEGMENT_ENTRY_HARDWARE_BITS{,_LARGE}. For completeness, introduce _REGION3_ENTRY_HARDWARE_BITS_LARGE and _REGION3_ENTRY_HARDWARE_BITS, containing the hardware bits used for large puds and normal puds. Signed-off-by:Claudio Imbrenda <imbrenda@linux.ibm.com> Reviewed-by:
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Claudio Imbrenda authored
There is no reason for the read and write softbits to be swapped in the puds compared to pmds. They are different only because the softbits for puds were introduced at the same time when the softbits for pmds were swapped. The current implementation is not wrong per se, since the macros are defined correctly; only the documentation does not reflect reality. With this patch, the read and write softbits for large pmd and large puds will have the same layout, and will match the existing documentation. Signed-off-by:
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- 13 May, 2024 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 updates from Alexander Gordeev: - Store AP Query Configuration Information in a static buffer - Rework the AP initialization and add missing cleanups to the error path - Swap IRQ and AP bus/device registration to avoid race conditions - Export prot_virt_guest symbol - Introduce AP configuration changes notifier interface to facilitate modularization of the AP bus - Add CONFIG_AP kernel configuration option to allow modularization of the AP bus - Rework CONFIG_ZCRYPT_DEBUG kernel configuration option description and dependency and rename it to CONFIG_AP_DEBUG - Convert sprintf() and snprintf() to sysfs_emit() in CIO code - Adjust indentation of RELOCS command build step - Make crypto performance counters upward compatible - Convert make_page_secure() and gmap_make_secure() to use folio - Rework channel-utilization-block (CUB) handling in preparation of introducing additional CUBs - Use attribute groups to simplify registration, removal and extension of measurement-related channel-path sysfs attributes - Add a per-channel-path binary "ext_measurement" sysfs attribute that provides access to extended channel-path measurement data - Export measurement data for all channel-measurement-groups (CMG), not only for a specific ones. This enables support of new CMG data formats in userspace without the need for kernel changes - Add a per-channel-path sysfs attribute "speed_bps" that provides the operating speed in bits per second or 0 if the operating speed is not available - The CIO tracepoint subchannel-type field "st" is incorrectly set to the value of subchannel-enabled SCHIB "ena" field. Fix that - Do not forcefully limit vmemmap starting address to MAX_PHYSMEM_BITS - Consider the maximum physical address available to a DCSS segment (512GB) when memory layout is set up - Simplify the virtual memory layout setup by reducing the size of identity mapping vs vmemmap overlap - Swap vmalloc and Lowcore/Real Memory Copy areas in virtual memory. This will allow to place the kernel image next to kernel modules - Move everyting KASLR related from <asm/setup.h> to <asm/page.h> - Put virtual memory layout information into a structure to improve code generation - Currently __kaslr_offset is the kernel offset in both physical and virtual memory spaces. Uncouple these offsets to allow uncoupling of the addresses spaces - Currently the identity mapping base address is implicit and is always set to zero. Make it explicit by putting into __identity_base persistent boot variable and use it in proper context - Introduce .amode31 section start and end macros AMODE31_START and AMODE31_END - Introduce OS_INFO entries that do not reference any data in memory, but rather provide only values - Store virtual memory layout in OS_INFO. It is read out by makedumpfile, crash and other tools - Store virtual memory layout in VMCORE_INFO. It is read out by crash and other tools when /proc/kcore device is used - Create additional PT_LOAD ELF program header that covers kernel image only, so that vmcore tools could locate kernel text and data when virtual and physical memory spaces are uncoupled - Uncouple physical and virtual address spaces - Map kernel at fixed location when KASLR mode is disabled. The location is defined by CONFIG_KERNEL_IMAGE_BASE kernel configuration value. - Rework deployment of kernel image for both compressed and uncompressed variants as defined by CONFIG_KERNEL_UNCOMPRESSED kernel configuration value - Move .vmlinux.relocs section in front of the compressed kernel. The interim section rescue step is avoided as result - Correct modules thunk offset calculation when branch target is more than 2GB away - Kernel modules contain their own set of expoline thunks. Now that the kernel modules area is less than 4GB away from kernel expoline thunks, make modules use kernel expolines. Also make EXPOLINE_EXTERN the default if the compiler supports it - userfaultfd can insert shared zeropages into processes running VMs, but that is not allowed for s390. Fallback to allocating a fresh zeroed anonymous folio and insert that instead - Re-enable shared zeropages for non-PV and non-skeys KVM guests - Rename hex2bitmap() to ap_hex2bitmap() and export it for external use - Add ap_config sysfs attribute to provide the means for setting or displaying adapters, domains and control domains assigned to a vfio-ap mediated device in a single operation - Make vfio_ap_mdev_link_queue() ignore duplicate link requests - Add write support to ap_config sysfs attribute to allow atomic update a vfio-ap mediated device state - Document ap_config sysfs attribute - Function os_info_old_init() is expected to be called only from a regular kdump kernel. Enable it to be called from a stand-alone dump kernel - Address gcc -Warray-bounds warning and fix array size in struct os_info - s390 does not support SMBIOS, so drop unneeded CONFIG_DMI checks - Use unwinder instead of __builtin_return_address() with ftrace to prevent returning of undefined values - Sections .hash and .gnu.hash are only created when CONFIG_PIE_BUILD kernel is enabled. Drop these for the case CONFIG_PIE_BUILD is disabled - Compile kernel with -fPIC and link with -no-pie to allow kpatch feature always succeed and drop the whole CONFIG_PIE_BUILD option-enabled code - Add missing virt_to_phys() converter for VSIE facility and crypto control blocks * tag 's390-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (54 commits) Revert "s390: Relocate vmlinux ELF data to virtual address space" KVM: s390: vsie: Use virt_to_phys for crypto control block s390: Relocate vmlinux ELF data to virtual address space s390: Compile kernel with -fPIC and link with -no-pie s390: vmlinux.lds.S: Drop .hash and .gnu.hash for !CONFIG_PIE_BUILD s390/ftrace: Use unwinder instead of __builtin_return_address() s390/pci: Drop unneeded reference to CONFIG_DMI s390/os_info: Fix array size in struct os_info s390/os_info: Initialize old os_info in standalone dump kernel docs: Update s390 vfio-ap doc for ap_config sysfs attribute s390/vfio-ap: Add write support to sysfs attr ap_config s390/vfio-ap: Ignore duplicate link requests in vfio_ap_mdev_link_queue s390/vfio-ap: Add sysfs attr, ap_config, to export mdev state s390/ap: Externalize AP bus specific bitmap reading function s390/mm: Re-enable the shared zeropage for !PV and !skeys KVM guests mm/userfaultfd: Do not place zeropages when zeropages are disallowed s390/expoline: Make modules use kernel expolines s390/nospec: Correct modules thunk offset calculation s390/boot: Do not rescue .vmlinux.relocs section s390/boot: Rework deployment of the kernel image ...
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- 12 May, 2024 5 commits
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Linus Torvalds authored
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Linus Torvalds authored
Merge tag 'kselftest-fix-vfork-2024-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull Kselftest fixes from Mickaël Salaün: "Fix Kselftest's vfork() side effects. As reported by Kernel Test Robot and Sean Christopherson, some tests fail since v6.9-rc1 . This is due to the use of vfork() which introduced some side effects. Similarly, while making it more generic, a previous commit made some Landlock file system tests flaky, and subject to the host's file system mount configuration. This fixes all these side effects by replacing vfork() with clone3() and CLONE_VFORK, which is cleaner (no arbitrary shared memory) and makes the Kselftest framework more robust" Link: https://lore.kernel.org/oe-lkp/202403291015.1fcfa957-oliver.sang@intel.com Link: https://lore.kernel.org/r/ZjPelW6-AbtYvslu@google.com Link: https://lore.kernel.org/r/20240511171445.904356-1-mic@digikod.net * tag 'kselftest-fix-vfork-2024-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/harness: Handle TEST_F()'s explicit exit codes selftests/harness: Fix vfork() side effects selftests/harness: Share _metadata between forked processes selftests/pidfd: Fix wrong expectation selftests/harness: Constify fixture variants selftests/landlock: Do not allocate memory in fixture data selftests/harness: Fix interleaved scheduling leading to race conditions selftests/harness: Fix fixture teardown selftests/landlock: Fix FS tests when run on a private mount point selftests/pidfd: Fix config for pidfd_setns_test
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull kvm fix from Paolo Bonzini: - Fix NULL pointer read on s390 in ioctl(KVM_CHECK_EXTENSION) for /dev/kvm * tag 'for-linus-6.9' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: s390: Check kvm pointer when testing KVM_CAP_S390_HPAGE_1M
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/rasLinus Torvalds authored
Pull EDAC fix from Borislav Petkov: - Fix a race condition when clearing error count bits and toggling the error interrupt throug the same register, in synopsys_edac * tag 'edac_urgent_for_v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/synopsys: Fix ECC status and IRQ control race condition
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Borislav Petkov: - Add a new PCI ID which belongs to a new AMD CPU family 0x1a - Ensure that that last level cache ID is set in all cases, in the AMD CPU topology parsing code, in order to prevent invalid scheduling domain CPU masks * tag 'x86_urgent_for_v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/topology/amd: Ensure that LLC ID is initialized x86/amd_nb: Add new PCI IDs for AMD family 0x1a
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- 11 May, 2024 10 commits
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Mickaël Salaün authored
If TEST_F() explicitly calls exit(code) with code different than 0, then _metadata->exit_code is set to this code (e.g. KVM_ONE_VCPU_TEST()). We need to keep in mind that _metadata->exit_code can be KSFT_SKIP while the process exit code is 0. Cc: Jakub Kicinski <kuba@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Mark Brown <broonie@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Will Drewry <wad@chromium.org> Reported-by:
Sean Christopherson <seanjc@google.com> Tested-by:
Mickaël Salaün <mic@digikod.net>
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Mickaël Salaün authored
Setting the time namespace with CLONE_NEWTIME returns -EUSERS if the calling thread shares memory with another thread (because of the shared vDSO), which is the case when it is created with vfork(). Fix pidfd_setns_test by replacing test harness's vfork() call with a clone3() call with CLONE_VFORK, and an explicit sharing of the _metadata and self objects. Replace _metadata->teardown_parent with a new FIXTURE_TEARDOWN_PARENT() helper that can replace FIXTURE_TEARDOWN(). This is a cleaner approach and it enables to selectively share the fixture data between the child process running tests and the parent process running the fixture teardown. This also avoids updating several tests to not rely on the self object's copy-on-write property (e.g. storing the returned value of a fork() call). Cc: Christian Brauner <brauner@kernel.org> Cc: David S. Miller <davem@davemloft.net> Cc: Günther Noack <gnoack@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Will Drewry <wad@chromium.org> Reported-by:
kernel test robot <oliver.sang@intel.com> Closes: https://lore.kernel.org/oe-lkp/202403291015.1fcfa957-oliver.sang@intel.com Fixes: 0710a1a7 ("selftests/harness: Merge TEST_F_FORK() into TEST_F()") Reviewed-by:
Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20240511171445.904356-10-mic@digikod.netSigned-off-by:
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Mickaël Salaün authored
Unconditionally share _metadata between all forked processes, which enables to actually catch errors which were previously ignored. This is required for a following commit replacing vfork() with clone3() and CLONE_VFORK (i.e. not sharing the full memory) . It should also be useful to share _metadata to extend expectations to test process's forks. For instance, this change identified a wrong expectation in pidfd_setns_test. Because this _metadata is used by the new XFAIL_ADD(), use a global pointer initialized in TEST_F(). This is OK because only XFAIL_ADD() use it, and XFAIL_ADD() already depends on TEST_F(). Cc: Jakub Kicinski <kuba@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Will Drewry <wad@chromium.org> Reviewed-by:
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Mickaël Salaün authored
Replace a wrong EXPECT_GT(self->child_pid_exited, 0) with EXPECT_GE(), which will be actually tested on the parent and child sides with a following commit. Cc: Shuah Khan <skhan@linuxfoundation.org> Reviewed-by:
Christian Brauner <brauner@kernel.org> Link: https://lore.kernel.org/r/20240511171445.904356-8-mic@digikod.netSigned-off-by:
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Mickaël Salaün authored
FIXTURE_VARIANT_ADD() types are passed as const pointers to FIXTURE_TEARDOWN(). Make that explicit by constifying the variants declarations. Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Will Drewry <wad@chromium.org> Reviewed-by:
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Mickaël Salaün authored
Do not allocate self->dir_path in the test process because this would not be visible in the FIXTURE_TEARDOWN() process when relying on fork()/clone3() instead of vfork(). This change is required for a following commit removing vfork() call to not break the layout3_fs.* test cases. Cc: Günther Noack <gnoack@google.com> Cc: Shuah Khan <skhan@linuxfoundation.org> Reviewed-by:
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Mickaël Salaün authored
Fix a race condition when running several FIXTURE_TEARDOWN() managing the same resource. This fixes a race condition in the Landlock file system tests when creating or unmounting the same directory. Using clone3() with CLONE_VFORK guarantees that the child and grandchild test processes are sequentially scheduled. This is implemented with a new clone3_vfork() helper replacing the fork() call. This avoids triggering this error in __wait_for_test(): Test ended in some other way [127] Cc: Christian Brauner <brauner@kernel.org> Cc: David S. Miller <davem@davemloft.net> Cc: Günther Noack <gnoack@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Will Drewry <wad@chromium.org> Fixes: 41cca054 ("selftests/harness: Fix TEST_F()'s vfork handling") Reviewed-by:
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Mickaël Salaün authored
Make sure fixture teardowns are run when test cases failed, including when _metadata->teardown_parent is set to true. Make sure only one fixture teardown is run per test case, handling the case where the test child forks. Cc: Jakub Kicinski <kuba@kernel.org> Cc: Shengyu Li <shengyu.li.evgeny@gmail.com> Cc: Shuah Khan <skhan@linuxfoundation.org> Fixes: 72d7cb5c ("selftests/harness: Prevent infinite loop due to Assert in FIXTURE_TEARDOWN") Fixes: 0710a1a7 ("selftests/harness: Merge TEST_F_FORK() into TEST_F()") Reviewed-by:
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Mickaël Salaün authored
According to the test environment, the mount point of the test's working directory may be shared or not, which changes the visibility of the nested "tmp" mount point for the test's parent process calling umount("tmp"). This was spotted while running tests in containers [1], where mount points are private. Cc: Günther Noack <gnoack@google.com> Cc: Shuah Khan <skhan@linuxfoundation.org> Link: https://github.com/landlock-lsm/landlock-test-tools/pull/4 [1] Fixes: 41cca054 ("selftests/harness: Fix TEST_F()'s vfork handling") Reviewed-by: -
Mickaël Salaün authored
Required by switch_timens() to open /proc/self/ns/time_for_children. CONFIG_GENERIC_VDSO_TIME_NS is not available on UML, so pidfd_setns_test cannot be run successfully on this architecture. Cc: Shuah Khan <skhan@linuxfoundation.org> Fixes: 2b40c5db ("selftests/pidfd: add pidfd setns tests") Reviewed-by:
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- 10 May, 2024 3 commits
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https://gitlab.freedesktop.org/drm/kernelLinus Torvalds authored
Pull drm fixes from Dave Airlie: "This should be the last set of fixes for 6.9, i915, xe and amdgpu are the bulk here, one of the previous nouveau fixes turned up an issue, so reverting it, otherwise one core and a couple of meson fixes. core: - fix connector debugging output i915: - Automate CCS Mode setting during engine resets - Fix audio time stamp programming for DP - Fix parsing backlight BDB data xe: - Fix use zero-length element array - Move more from system wq to ordered private wq - Do not ignore return for drmm_mutex_init amdgpu: - DCN 3.5 fix - MST DSC fixes - S0i3 fix - S4 fix - HDP MMIO mapping fix - Fix a regression in visible vram handling amdkfd: - Spatial partition fix meson: - dw-hdmi: power-up fixes - dw-hdmi: add badngap setting for g12 nouveau: - revert SG_DEBUG fix that has a side effect" * tag 'drm-fixes-2024-05-11' of https://gitlab.freedesktop.org/drm/kernel: Revert "drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor()" drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible drm/amdkfd: don't allow mapping the MMIO HDP page with large pages drm/xe: Use ordered WQ for G2H handler drm/xe/guc: Check error code when initializing the CT mutex drm/xe/ads: Use flexible-array Revert "drm/amdkfd: Add partition id field to location_id" dm/amd/pm: Fix problems with reboot/shutdown for some SMU 13.0.4/13.0.11 users drm/amd/display: MST DSC check for older devices drm/amd/display: Fix idle optimization checks for multi-display and dual eDP drm/amd/display: Fix DSC-re-computing drm/amd/display: Enable urgent latency adjustments for DCN35 drm/connector: Add \n to message about demoting connector force-probes drm/i915/bios: Fix parsing backlight BDB data drm/i915/audio: Fix audio time stamp programming for DP drm/i915/gt: Automate CCS Mode setting during engine resets drm/meson: dw-hdmi: add bandgap setting for g12 drm/meson: dw-hdmi: power up phy on device init
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Linus Torvalds authored
Merge tag 'mm-hotfixes-stable-2024-05-10-13-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM fixes from Andrew Morton: "18 hotfixes, 7 of which are cc:stable. More fixups for this cycle's page_owner updates. And a few userfaultfd fixes. Otherwise, random singletons - see the individual changelogs for details" * tag 'mm-hotfixes-stable-2024-05-10-13-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mailmap: add entry for Barry Song selftests/mm: fix powerpc ARCH check mailmap: add entry for John Garry XArray: set the marks correctly when splitting an entry selftests/vDSO: fix runtime errors on LoongArch selftests/vDSO: fix building errors on LoongArch mm,page_owner: don't remove __GFP_NOLOCKDEP in add_stack_record_to_list fs/proc/task_mmu: fix uffd-wp confusion in pagemap_scan_pmd_entry() fs/proc/task_mmu: fix loss of young/dirty bits during pagemap scan mm/vmalloc: fix return value of vb_alloc if size is 0 mm: use memalloc_nofs_save() in page_cache_ra_order() kmsan: compiler_types: declare __no_sanitize_or_inline lib/test_xarray.c: fix error assumptions on check_xa_multi_store_adv_add() tools: fix userspace compilation with new test_xarray changes MAINTAINERS: update URL's for KEYS/KEYRINGS_INTEGRITY and TPM DEVICE DRIVER mm: page_owner: fix wrong information in dump_page_owner maple_tree: fix mas_empty_area_rev() null pointer dereference mm/userfaultfd: reset ptes when close() for wr-protected ones
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Dave Airlie authored
This reverts commit 52a6947b. This causes loading failures in [ 0.367379] nouveau 0000:01:00.0: NVIDIA GP104 (134000a1) [ 0.474499] nouveau 0000:01:00.0: bios: version 86.04.50.80.13 [ 0.474620] nouveau 0000:01:00.0: pmu: firmware unavailable [ 0.474977] nouveau 0000:01:00.0: fb: 8192 MiB GDDR5 [ 0.484371] nouveau 0000:01:00.0: sec2(acr): mbox 00000001 00000000 [ 0.484377] nouveau 0000:01:00.0: sec2(acr):load: boot failed: -5 [ 0.484379] nouveau 0000:01:00.0: acr: init failed, -5 [ 0.484466] nouveau 0000:01:00.0: init failed with -5 [ 0.484468] nouveau: DRM-master:00000000:00000080: init failed with -5 [ 0.484470] nouveau 0000:01:00.0: DRM-master: Device allocation failed: -5 [ 0.485078] nouveau 0000:01:00.0: probe with driver nouveau failed with error -50 I tried tracking it down but ran out of time this week, will revisit next week. Reported-by:
Dan Moulding <dan@danm.net> Cc: stable@vger.kernel.org Signed-off-by:
Dave Airlie <airlied@redhat.com>
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