Using -Oline -j 72 W=1 redirect to /tmp/tmp.KM1qtPY9FC and /tmp/tmp.ivbzOdCqT8
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
beead7eea896 ("net: ipv4: guard ip_mr_output() with rcu")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/thunderbolt/main.o
  LD [M]  drivers/net/thunderbolt/thunderbolt_net.o
  CC [M]  net/netfilter/nf_conntrack_core.o
  LD [M]  net/netfilter/nf_conntrack.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3450)
  CC [M]  drivers/net/thunderbolt/thunderbolt_net.mod.o
  LD [M]  drivers/net/thunderbolt/thunderbolt_net.ko
  CC [M]  net/netfilter/nf_conntrack.mod.o
  LD [M]  net/netfilter/nf_conntrack.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/netfilter/nf_conntrack_core.o
  CHK     kernel/kheaders_data.tar.xz
  LD [M]  net/netfilter/nf_conntrack.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3450)
  CC [M]  net/netfilter/nf_conntrack.mod.o
  LD [M]  net/netfilter/nf_conntrack.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/netfilter/nf_conntrack_core.o
  LD [M]  net/netfilter/nf_conntrack.o
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3450)
  CC [M]  net/netfilter/nf_conntrack.mod.o
  LD [M]  net/netfilter/nf_conntrack.ko