tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: 53677a494016919c9c6715a90a425dc771e5ae26 !13080 serial: core: Fix atomicity violation in uart_tiocmget

Error/Warning (recently discovered and may have been fixed):

https://lore.kernel.org/oe-kbuild-all/202411140304.ZAc2Yg25-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202411140347.wBO44TXi-lkp@intel.com https://lore.kernel.org/oe-kbuild/202411140432.5Ss53v0X-lkp@intel.com

arch/arm64/mm/quick_kexec.c:21:13: warning: no previous prototype for 'reserve_quick_kexec' [-Wmissing-prototypes] arch/arm64/mm/quick_kexec.c:47:13: warning: no previous prototype for 'request_quick_kexec_res' [-Wmissing-prototypes] drivers/ub/urma/ubcore/ubcore_ctp.c:114:42: warning: the comparison will always evaluate as 'false' for the address of 'head' will never be NULL [-Waddress] drivers/ub/urma/ubcore/ubcore_tpg.c:113:42: warning: the comparison will always evaluate as 'false' for the address of 'head' will never be NULL [-Waddress] drivers/ub/urma/ubcore/ubcore_utp.c:139:42: warning: the comparison will always evaluate as 'false' for the address of 'head' will never be NULL [-Waddress] kernel/sched/fair.c:4499:43: error: no member named 'steal_h_nr_running' in 'struct cfs_rq'; did you mean 'idle_h_nr_running'? mm/hugetlb.c:6315:14: warning: no previous prototype for 'hugetlb_alloc_hugepage_nodemask' [-Wmissing-prototypes]

Unverified Error/Warning (likely false positive, kindly check if interested):

mm/hugetlb.c:3611 hugepages_setup() warn: potential spectre issue 'default_hugepages_in_node' [w] mm/hugetlb.c:3613 hugepages_setup() warn: potential spectre issue 'parsed_hstate->max_huge_pages_node' [w]

Error/Warning ids grouped by kconfigs:

recent_errors |-- arm64-allnoconfig | |-- arch-arm64-kernel-ipi_nmi.c:error:implicit-declaration-of-function-printk_safe_enter | |-- arch-arm64-kernel-ipi_nmi.c:error:implicit-declaration-of-function-printk_safe_exit | |-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_enter | |-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_exit | |-- kismet:WARNING:unmet-direct-dependencies-detected-for-BPF_NET_GLOBAL_PROG-when-selected-by-SCHED_TASK_RELATIONSHIP | |-- kismet:WARNING:unmet-direct-dependencies-detected-for-PCI_IOV-when-selected-by-CRYPTO_DEV_HISI_MIGRATION | `-- kismet:WARNING:unmet-direct-dependencies-detected-for-TASK_PLACEMENT_BY_CPU_RANGE-when-selected-by-BPF_SCHED |-- arm64-randconfig-002-20241114 | |-- arch-arm64-kvm-reset.c:error:implicit-declaration-of-function-sve_max_virtualisable_vl | `-- mm-hugetlb.c:warning:no-previous-prototype-for-hugetlb_alloc_hugepage_nodemask |-- arm64-randconfig-003-20241114 | |-- arch-arm64-mm-quick_kexec.c:warning:no-previous-prototype-for-request_quick_kexec_res | `-- arch-arm64-mm-quick_kexec.c:warning:no-previous-prototype-for-reserve_quick_kexec |-- arm64-randconfig-004-20241114 | `-- arch-arm64-kvm-reset.c:error:implicit-declaration-of-function-sve_max_virtualisable_vl |-- x86_64-allnoconfig | |-- Warning:sys-bus-iio-devices-iio:deviceX-out_altvoltageY_frequency-is-defined-times:.-Documentation-ABI-testing-sysfs-bus-iio-.-Documentation-ABI-testing-sysfs-bus-iio-frequency-adf4371 | |-- Warning:sys-bus-iio-devices-iio:deviceX-out_altvoltageY_powerdown-is-defined-times:.-Documentation-ABI-testing-sysfs-bus-iio-.-Documentation-ABI-testing-sysfs-bus-iio-frequency-adf4371 | |-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_exit-Werror-Wimplicit-function-declaration | |-- kismet:WARNING:unmet-direct-dependencies-detected-for-BPF_NET_GLOBAL_PROG-when-selected-by-SCHED_TASK_RELATIONSHIP | `-- kismet:WARNING:unmet-direct-dependencies-detected-for-TASK_PLACEMENT_BY_CPU_RANGE-when-selected-by-BPF_SCHED |-- x86_64-allyesconfig | `-- ld.lld:error:duplicate-symbol:debug |-- x86_64-buildonly-randconfig-003-20241112 | `-- vmlinux.o:warning:objtool:do_syscall_64:call-to-memset()-leaves-.noinstr.text-section |-- x86_64-buildonly-randconfig-003-20241113 | |-- drivers-tty-tty_buffer.c:error:implicit-declaration-of-function-printk_safe_exit-Werror-Wimplicit-function-declaration | `-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_exit-Werror-Wimplicit-function-declaration |-- x86_64-buildonly-randconfig-005-20241113 | `-- mm-memcontrol.c:error:implicit-declaration-of-function-ksm_process_profit-Werror-Wimplicit-function-declaration |-- x86_64-buildonly-randconfig-006-20241113 | |-- drivers-tty-tty_buffer.c:error:implicit-declaration-of-function-printk_safe_exit-Werror-Wimplicit-function-declaration | `-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_exit-Werror-Wimplicit-function-declaration |-- x86_64-kexec | `-- kernel-trace-trace_uprobe.o:warning:objtool:__uprobe_perf_func:unreachable-instruction |-- x86_64-randconfig-001-20241112 | |-- drivers-ub-urma-ubcore-ubcore_ctp.c:warning:the-comparison-will-always-evaluate-as-false-for-the-address-of-head-will-never-be-NULL | |-- drivers-ub-urma-ubcore-ubcore_tpg.c:warning:the-comparison-will-always-evaluate-as-false-for-the-address-of-head-will-never-be-NULL | `-- drivers-ub-urma-ubcore-ubcore_utp.c:warning:the-comparison-will-always-evaluate-as-false-for-the-address-of-head-will-never-be-NULL |-- x86_64-randconfig-015-20241112 | `-- kernel-sched-fair.c:error:no-member-named-steal_h_nr_running-in-struct-cfs_rq |-- x86_64-randconfig-121-20241111 | `-- fs-ext4-extents.c:sparse:sparse:Using-plain-integer-as-NULL-pointer |-- x86_64-randconfig-161-20241112 | |-- drivers-scsi-mpt3sas-mpt3sas_ctl.c-mpt3sas_send_diag_release()-warn:inconsistent-indenting | |-- drivers-scsi-mpt3sas-mpt3sas_scsih.c-_mpt3sas_fw_work()-warn:inconsistent-indenting | |-- mm-hugetlb.c-hugepages_setup()-warn:potential-spectre-issue-default_hugepages_in_node-w | `-- mm-hugetlb.c-hugepages_setup()-warn:potential-spectre-issue-parsed_hstate-max_huge_pages_node-w |-- x86_64-randconfig-161-20241114 | |-- drivers-gpio-gpiolib.c-gpiochip_add_data_with_key()-error:dereferencing-freed-memory-gdev | |-- drivers-gpu-drm-ast-ast_mm.c-ast_pci_host_is_5c01()-error:we-previously-assumed-child-could-be-null-(see-line-) | |-- drivers-infiniband-hw-hfi1-netdev_rx.c-hfi1_netdev_free()-error:use-free_netdev()-here-instead-of-kfree(dd-dummy_netdev) | |-- drivers-vdpa-virtio_pci-vp_vdpa.c-vp_vdpa_request_irq()-warn:inconsistent-indenting | |-- kernel-bpf-cgroup.c-__cgroup_bpf_attach()-error:we-previously-assumed-link-could-be-null-(see-line-) | |-- kernel-bpf-ringbuf.c-ringbuf_map_alloc()-warn:impossible-condition-(attr-max_entries-(((-)-(-expr_()-))-(()-)))-(-u32max-) | |-- mm-memcontrol.c-uncharge_page()-error:uninitialized-symbol-objcg-. | `-- net-rxrpc-sendmsg.c-rxrpc_send_data()-error:uninitialized-symbol-skb-. `-- x86_64-rhel-8.3-kselftests |-- fs-buffer.o:warning:objtool:__breadahead_gfp:unreachable-instruction |-- fs-xfs-xfs_buf_item.o:warning:objtool:xfs_buf_item_format:unreachable-instruction `-- kernel-trace-trace_uprobe.o:warning:objtool:__uprobe_perf_func:unreachable-instruction

elapsed time: 735m

configs tested: 25 configs skipped: 127

tested configs: arm64 allmodconfig clang-20 arm64 allnoconfig gcc-14.2.0 arm64 randconfig-001-20241114 clang-20 arm64 randconfig-002-20241114 gcc-14.2.0 arm64 randconfig-003-20241114 gcc-14.2.0 arm64 randconfig-004-20241114 gcc-14.2.0 x86_64 allnoconfig clang-19 x86_64 allyesconfig clang-19 x86_64 buildonly-randconfig-001-20241113 clang-19 x86_64 buildonly-randconfig-002-20241113 clang-19 x86_64 buildonly-randconfig-003-20241113 clang-19 x86_64 buildonly-randconfig-004-20241113 clang-19 x86_64 buildonly-randconfig-005-20241113 clang-19 x86_64 buildonly-randconfig-006-20241113 clang-19 x86_64 defconfig gcc-11 x86_64 kexec clang-19 x86_64 randconfig-001-20241113 gcc-12 x86_64 randconfig-002-20241113 gcc-12 x86_64 randconfig-003-20241113 gcc-12 x86_64 randconfig-004-20241113 gcc-12 x86_64 randconfig-005-20241113 gcc-12 x86_64 randconfig-006-20241113 clang-19 x86_64 randconfig-011-20241113 gcc-12 x86_64 randconfig-013-20241113 clang-19 x86_64 rhel-8.3 gcc-12

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