Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.mTjAs2e8hM and /tmp/tmp.c6tySRQvqF CC=ccache gcc gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Tree base: f67eb75f1b58 ("ipv6: mcast: Don't hold RTNL for IPV6_DROP_MEMBERSHIP and MCAST_LEAVE_GROUP.") Skip baseline build, not the first patch and no Kconfig updates Building the tree before the patch make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn' SYNC include/config/auto.conf GEN Makefile GEN Makefile DESCEND objtool INSTALL libsubcmd_headers CALL ../scripts/checksyscalls.sh CC [M] net/ipv6/mcast.o CHECK ../net/ipv6/mcast.c CHK kernel/kheaders_data.tar.xz LD [M] net/ipv6/ipv6.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#3466) LD [M] net/ipv6/ipv6.ko Building the tree with the patch make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn' SYNC include/config/auto.conf GEN Makefile GEN Makefile DESCEND objtool INSTALL libsubcmd_headers CALL ../scripts/checksyscalls.sh CHK kernel/kheaders_data.tar.xz CC [M] net/ipv6/mcast.o CHECK ../net/ipv6/mcast.c LD [M] net/ipv6/ipv6.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#3466) CC [M] net/ipv6/ipv6.mod.o LD [M] net/ipv6/ipv6.ko