On Tue, 22 Jul 2025 at 19:37, Greg Kroah-Hartman gregkh@linuxfoundation.org wrote:
This is the start of the stable review cycle for the 6.15.8 release. There are 187 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Thu, 24 Jul 2025 13:43:10 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.15.8-rc1.... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.15.y and the diffstat can be found below.
thanks,
greg k-h
Regressions while building allyesconfig build for arm64 and x86 with the toolchain clang-nightly version 22.0.0.
Regression Analysis: - New regression? Yes - Reproducibility? Yes
Build regression: arm64 x86 mm ksm.c error variable 'output' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] Build regression: arm64 x86 samsung s5p_mfc_cmd_v6.c error variable 'h2r_args' is uninitialized when passed as a const pointer argument here Build regression: arm64 x86 mediatek mcu.c error variable 'hdr' is uninitialized when passed as a const pointer argument here Build regression: arm64 x86 broadcom phy_lcn.c error variable 'diq_start' is uninitialized when passed as a const pointer argument here Build regression: arm64 x86 usb cxacru.c error variable 'bp' is used uninitialized whenever 'if' condition is false Build regression: arm64 x86 drm dpu_plane.c error variable 'crtc_state' is used uninitialized whenever 'if' condition is false Build regression: arm64 x86 drm amdgpu imu_v12_0.c error variable 'data' is uninitialized when used here
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
## Build log mm/ksm.c:3674:11: error: variable 'output' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] 3674 | else if (ksm_advisor == KSM_ADVISOR_SCAN_TIME) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c:45:7: error: variable 'h2r_args' is uninitialized when passed as a const pointer argument here [-Werror,-Wuninitialized-const-pointer] 45 | &h2r_args); | ^~~~~~~~
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c:133:7: error: variable 'h2r_args' is uninitialized when passed as a const pointer argument here [-Werror,-Wuninitialized-const-pointer] 133 | &h2r_args); | ^~~~~~~~
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c:148:7: error: variable 'h2r_args' is uninitialized when passed as a const pointer argument here [-Werror,-Wuninitialized-const-pointer] 148 | &h2r_args); | ^~~~~~~~
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:3365:21: error: variable 'hdr' is uninitialized when passed as a const pointer argument here [-Werror,-Wuninitialized-const-pointer] 3365 | skb_put_data(skb, &hdr, sizeof(hdr)); | ^~~
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:1875:21: error: variable 'hdr' is uninitialized when passed as a const pointer argument here [-Werror,-Wuninitialized-const-pointer] 1875 | skb_put_data(skb, &hdr, sizeof(hdr)); | ^~~
drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c:2728:13: error: variable 'diq_start' is uninitialized when passed as a const pointer argument here [-Werror,-Wuninitialized-const-pointer] 2728 | &diq_start, 1, 16, 69); | ^~~~~~~~~
drivers/usb/atm/cxacru.c:1104:6: error: variable 'bp' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] 1104 | if (instance->modem_type->boot_rom_patch) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c:1066:6: error: variable 'crtc_state' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] 1066 | if (plane_state->crtc) | ^~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/imu_v12_0.c:374:30: error: variable 'data' is uninitialized when used here [-Werror,-Wuninitialized] 374 | program_imu_rlc_ram(adev, data, (const u32)size); | ^~~~
## Source * Git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git * Git sha: 81bcc8b99854ba689a8c85fb1d39d5acdce0385a * Git describe: v6.15.7-188-g81bcc8b99854 * Architectures: arm64 x86 * Toolchains: Debian clang version 22.0.0 (++20250721112855+43a829a7e894-1~exp1~20250721112913.1588) * Kconfigs: allyesconfig
## Build * Build log: https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.15.y/v6.15.7-188... * Build run: https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.15.y/v6.15.7-188... * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/30EaSfe4S6Pi4zE2kv1TG... * Kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/30EaSfe4S6Pi4zE2kv1TG...
## Steps to reproduce * tuxmake --runtime podman --target-arch arm64 --toolchain clang-nightly --kconfig allyesconfig LLVM=1 LLVM_IAS=1
-- Linaro LKFT https://lkft.linaro.org