ClangBuiltLinux/linux

Issues

• clang-18 built kernel v6.11 leads to desktop graphics corruption + "AMDGPU(0): amdgpu_setup_kernel_mem failed" vs. same kernel built with gcc-14 runs ok (v6.11, x86_64)

  #2053 opened a month ago by ernsteiswuerfel
  2

• Release cycle LLVM 19.1.x

  #2040 opened 3 months ago by dileks
  17

• Excessive compile time in lib/fortify_kunit.c with ARCH=hexagon

  #2045 opened a month ago by nathanchance
  1

• [LLVM-19] modpost warnings

  #2051 opened 2 months ago by cgzones
  5

• [llvm-19] objtool warnings for drivers/gpu/drm/radeon/radeon.o

  #2050 opened 2 months ago by cgzones
  3

• [LLVM-19] signed-integer-overflow in <build-dir>/include/linux/atomic/atomic-arch-fallback.h

  #2052 opened 2 months ago by cgzones
  4

• [lld-19] drivers/net/ethernet/mellanox/mlx5/core/eq.c:1078:0: stack frame size (2208) exceeds limit (2048) in function 'mlx5_comp_eqn_get'

  #2049 opened 2 months ago by cgzones
  1

• [clang-19] amdgpu: stack frame size exceeds limit in 'dml_core_mode_support'

  #2048 opened 2 months ago by torvic9
  3

• CFI failure at kobj_attr_show (target: platform_profile_choices_show)

  #2047 opened 2 months ago by flukeeey
  5

• Issue with Qualcomm kernel modules and BTI since at least LLVM 17

  #2022 opened 6 months ago by Gelbpunkt
  9

• Issue with union initialization using braces

  #2033 opened 4 months ago by nathanchance
  1

• Assertion failure in llvm/lib/Target/Hexagon/HexagonConstExtenders.cpp after commit f91cc09a5a90 in -next

  #2043 opened 3 months ago by nathanchance
  2

• "value is too large for field of 1 byte" in linux-6.6.y after LLVM commit 1a47f3f3db665

  #2044 opened 3 months ago by nathanchance
  3

• CONFIG_STACKPROTECTOR broken for x86_64 after LLVM commit 6461e537815f7

  #2042 opened 3 months ago by nathanchance
  1

• CONFIG-MATOM=y (arch/x86/crypto/curve25519-x86_64.c: error: inline assembly requires more registers than available )

  #2046 opened 3 months ago by alavalas1
  0

• ld fails with "unable to move location counter backward"

  #2041 opened 3 months ago by RossComputerGuy
  5

• -Wframe-larger-than in drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c

  #2036 opened 4 months ago by nathanchance
  1

• pahole 1.27 segfaults when generating BTF for modules built with LTO

  #2032 opened 5 months ago by nathanchance
  8

• ld.lld: error: drivers/gpu/drm/nouveau/nouveau.o:(.debug_str): offset is outside the section

  #2035 opened 3 months ago by dileks
  3

• ld.lld: error: drivers/gpu/drm/amd/amdgpu/amdgpu.o:(.debug_info+0x7d117f5): unknown relocation (33554442) against symbol

  #2034 opened 3 months ago by dileks
  23

• -Wbounds-safety-counted-by-elt-type-unknown-size in drivers/gpu/drm/radeon/pptable.h

  #2028 opened 3 months ago by nathanchance
  5

• Crash in net/core/dev.c when assertions are enabled after commit 13cabc47f8ae

  #2039 opened 3 months ago by nathanchance
  6

• -Wframe-larger-than in drivers/gpu/drm/omapdrm/dss/dispc.c

  #2038 opened 3 months ago by nathanchance
  0

• LLVM commit 0f9fbbb63cfcd2069441aa2ebef622c9716f8dbb breaks ld-version.sh with LLVM_APPEND_VC_REV=OFF

  #2037 opened 4 months ago by nathanchance
  1

• Many objtool warnings for LoongArch

  #2024 opened 5 months ago by nathanchance
  1

• loongarch ld.lld warning from libstub after enabling CONFIG_UNWINDER_ORC

  #2023 opened 4 months ago by nathanchance
  3

• -Wbounds-safety-counted-by-elt-type-unknown-size in drivers/nvme/target/fc.c

  #2027 opened 4 months ago by nathanchance
  8

• -Wbounds-safety-counted-by-elt-type-unknown-size in drivers/tty/mxser.c

  #2026 opened 4 months ago by nathanchance
  8

• i386 without CONFIG_X86_CMPXCHG64 "error: inline assembly requires more registers than available" in kernel/bpf/core.c after commit 95ece48165c1 in -next

  #2018 opened 4 months ago by nathanchance
  1

• With LTO and LTO cache, .incbin in assembly is not handled properly during incremental builds

  #2021 opened 6 months ago by jacky8hyf
  11

• KASAN does not seem to work (no "KASAN init done" in dmesg) when kernel is built with clang (kernel 6.9-rc4, ppc32, clang-18)

  #2020 opened 5 months ago by ernsteiswuerfel
  8

• Boot issue on arm64 and loongarch after LLVM commit 5c214eb0c628c874f2c9496e663be4067e64442a

  #2031 opened 5 months ago by nathanchance
  9

• -Wduplicate-decl-specifier and LLVM "error in backend: Unsupported expression in static initializer" crash trying to enable CONFIG_USE_X86_SEG_SUPPORT

  #2013 opened 7 months ago by nathanchance
  1

• kexec_file is broken with LLVM 18 and newer on x86_64

  #2016 opened 5 months ago by 0n-s
  22

• fortify_test_memcmp from fortify_kunit does not pass with LLVM 15 and newer

  #2025 opened 5 months ago by nathanchance
  6

• ld.lld: error: undefined symbol: __sync_val_compare_and_swap_1

  #2030 opened 5 months ago by lag-google
  13

• PPC inline asm Y constraint

  #2029 opened 5 months ago by nickdesaulniers
  0

• "copy source size is too small" after LLVM commit 3589cacfa8da89b9b5051e4dba659caa575e6b3f

  #2007 opened 6 months ago by nathanchance
  7

• Kernel BUG() on Linux 6.8 with Clang 17+ and LTO, rt5640 audio fails

  #2017 opened 6 months ago by anh0516
  11

• Fortify warning in net/xfrm/xfrm_user.c with arm64 CONFIG_KASAN=y after LLVM commit 90ba33099cbb1

  #2019 opened 6 months ago by nathanchance
  0

• -Wframe-larger-than in drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c with ARCH=loongarch allmodconfig

  #2014 opened 6 months ago by nathanchance
  4

• CoCo code breaks with CFI

  #2015 opened 7 months ago by 0n-s
  6

• Update Fedora kernel config in CI

  #2009 opened 7 months ago by tstellar
  6

• [linux-6.1.y] MIPS: ./scripts/check-local-export: llvm-nm failed

  #2012 opened 7 months ago by FlyGoat
  3

• die__process_class: tag not supported 0x33 (variant_part)! 0x2f (template_type_parameter)!

  #2011 opened 7 months ago by epilys
  1

• Clang-19-git frontend crash on Kernel 6.8.1

  #2010 opened 7 months ago by ms178
  3

• Erro module 'fs/jbd2/commit.o' on function '@jbd2_submit_inode_data'

  #2008 opened 7 months ago by ViNi-Arco
  5

• -Wimplicit-fallthrough in drivers/pci/controller/dwc/pci-imx6.c

  #2004 opened 8 months ago by nathanchance
  1

• Fedora Rawhide kernel builds fails with `unkown symbol errors`.

  #2006 opened 8 months ago by tstellar
  6

• clang version has rc suffix in 18.1.0 release

  #2005 opened 8 months ago by stylesen
  2