Using -Oline -j 72 W=1 redirect to /tmp/tmp.rnPcYzHY1U and /tmp/tmp.td9PXZX3fX LLVM=1 cc=clang clang version 18.1.8 (Fedora 18.1.8-1.fc40) Tree base: 9e4fcd5f35db ("ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init()") Skip baseline build, not the first patch and no Kconfig updates Building the tree before the patch make[1]: Entering directory '/home/nipa/net/wt-0/build_clang' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang' SYNC include/config/auto.conf GEN Makefile GEN Makefile mkdir -p /home/nipa/net/wt-0/build_clang/tools/objtool && make O=/home/nipa/net/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool INSTALL libsubcmd_headers CALL ../scripts/checksyscalls.sh CHK kernel/kheaders_data.tar.xz CC [M] net/netfilter/xt_LED.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1445) LD [M] net/netfilter/xt_LED.ko Building the tree with the patch make[1]: Entering directory '/home/nipa/net/wt-0/build_clang' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang' SYNC include/config/auto.conf GEN Makefile GEN Makefile mkdir -p /home/nipa/net/wt-0/build_clang/tools/objtool && make O=/home/nipa/net/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool INSTALL libsubcmd_headers CALL ../scripts/checksyscalls.sh CHK kernel/kheaders_data.tar.xz CC [M] net/netfilter/xt_LED.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1445) CC [M] net/netfilter/xt_LED.mod.o LD [M] net/netfilter/xt_LED.ko