On Tue, 27 Dec 2022, Geert Uytterhoeven wrote:
Below is the list of build error/warning regressions/improvements in v6.2-rc1[1] compared to v6.1[2]. Summarized: - build errors: +11/-13
amd-gfx@xxxxxxxxxxxxxxxxxxxxx linux-arm-kernel@xxxxxxxxxxxxxxxxxxx linux-media@xxxxxxxxxxxxxxx linux-wireless@xxxxxxxxxxxxxxx linux-mips@xxxxxxxxxxxxxxx linux-sh@xxxxxxxxxxxxxxx linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx linuxppc-dev@xxxxxxxxxxxxxxxx kasan-dev@xxxxxxxxxxxxxxxx linux-xtensa@xxxxxxxxxxxxxxxx + /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c: error: the frame size of 2224 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]: => 7082:1 + /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn314/display_mode_vba_314.c: error: the frame size of 2208 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]: => 7127:1 arm64-gcc5/arm64-allmodconfig + /kisskb/src/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c: error: array subscript 2 is above array bounds of 'u32[2]' {aka 'unsigned int[2]'} [-Werror=array-bounds]: => 641:28 + /kisskb/src/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c: error: array subscript 3 is above array bounds of 'u32[2]' {aka 'unsigned int[2]'} [-Werror=array-bounds]: => 641:28 m68k-gcc8/m68k-allmodconfig See also https://lore.kernel.org/all/CAMuHMdWpPX2mpqFEWjjbjsQvDBQOXyjjdpKnQu9qURAuVZXmMw@xxxxxxxxxxxxxx + /kisskb/src/include/linux/bitfield.h: error: call to '__field_overflow' declared with attribute error: value doesn't fit into mask: => 151:3 In function 'u32_encode_bits', inlined from 'ieee80211_mlo_multicast_tx' at /kisskb/src/net/mac80211/tx.c:4435:17, inlined from 'ieee80211_subif_start_xmit' at /kisskb/src/net/mac80211/tx.c:4483:3: mipsel-gcc5/mips-allmodconfig + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_262' declared with attribute error: Unsupported access size for {READ,WRITE}_ONCE().: => 358:45 + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_263' declared with attribute error: Unsupported access size for {READ,WRITE}_ONCE().: => 358:45 In function 'follow_pmd_mask', inlined from 'follow_pud_mask' at /kisskb/src/mm/gup.c:735:9, inlined from 'follow_p4d_mask' at /kisskb/src/mm/gup.c:752:9, inlined from 'follow_page_mask' at /kisskb/src/mm/gup.c:809:9: sh4-gcc11/sh-defconfig (Günter wondered if pmd_t should use union) + /kisskb/src/include/linux/fortify-string.h: error: '__builtin_memcpy' offset [0, 127] is out of the bounds [0, 0] [-Werror=array-bounds]: => 57:33 /kisskb/src/arch/s390/kernel/setup.c: In function 'setup_lowcore_dat_on': s390x-gcc11/s390-all{mod,yes}config + /kisskb/src/include/linux/fortify-string.h: error: '__builtin_memset' pointer overflow between offset [28, 898293814] and size [-898293787, -1] [-Werror=array-bounds]: => 59:33 /kisskb/src/fs/f2fs/inline.c: In function 'f2fs_move_inline_dirents': powerpc-gcc11/ppc64_book3e_allmodconfig powerpc-gcc11/powerpc-all{mod,yes}config + /kisskb/src/kernel/kcsan/kcsan_test.c: error: the frame size of 1680 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]: => 257:1 xtensa-gcc11/xtensa-allmodconfig (patch available) + {standard input}: Error: unknown pseudo-op: `.cfi_def_c': => 1718 sh4-gcc11/sh-allmodconfig (ICE = internal compiler error)
[1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/1b929c02afd37871d5afb9d498426f83432e71c2/ (all 152 configs) [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/830b3c68c1fb1e9176028d02ef86f3cf76aa2476/ (all 152 configs)
Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds