The arm64 build started failing from Linux next-20241203 tag with gcc-8 due to following build warnings / errors. First seen on Linux next-20241203 tag GOOD: Linux next-20241128 tag BAD: Linux next-20241203 tag and next-20241205 tag * arm64, build - gcc-8-defconfig - gcc-8-defconfig-40bc7ee5 Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Build log: =========== net/netfilter/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_init': include/linux/compiler_types.h:542:38: error: call to '__compiletime_assert_1050' declared with attribute error: clamp() low limit min greater than high limit max_avail _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:523:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler_types.h:542:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/minmax.h:188:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(statically_true(ulo > uhi), \ ^~~~~~~~~~~~~~~~ include/linux/minmax.h:195:2: note: in expansion of macro '__clamp_once' __clamp_once(type, val, lo, hi, __UNIQUE_ID(v_), __UNIQUE_ID(l_), __UNIQUE_ID(h_)) ^~~~~~~~~~~~ include/linux/minmax.h:206:28: note: in expansion of macro '__careful_clamp' #define clamp(val, lo, hi) __careful_clamp(__auto_type, val, lo, hi) ^~~~~~~~~~~~~~~ net/netfilter/ipvs/ip_vs_conn.c:1498:8: note: in expansion of macro 'clamp' max = clamp(max, min, max_avail); ^~~~~ Links: --- - https://storage.tuxsuite.com/public/linaro/lkft/builds/2pjAOE9K3Dz9gRywrldKTyaXQoT/ - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241203/testrun/26189105/suite/build/test/gcc-8-defconfig/log - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241203/testrun/26189105/suite/build/test/gcc-8-defconfig/details/ - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241203/testrun/26189105/suite/build/test/gcc-8-defconfig/history/ Steps to reproduce: ------------ # tuxmake --runtime podman --target-arch arm64 --toolchain gcc-8 --kconfig defconfig metadata: ---- git describe: next-20241203 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git sha: c245a7a79602ccbee780c004c1e4abcda66aec32 kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2pjAOE9K3Dz9gRywrldKTyaXQoT/config build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2pjAOE9K3Dz9gRywrldKTyaXQoT/ toolchain: gcc-8 config: gcc-8-defconfig arch: arm64 -- Linaro LKFT https://lkft.linaro.org