Using -Oline -j 96 W=1 C=1 redirect to /tmp/tmp.O0DGQLi1N9 and /tmp/tmp.WK3ZoRLOS8
CC=ccache gcc
gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
Tree base:
ddd4543292a7 ("net/smc: fix potential UAF in smc_pnet_add_ib for ib device")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/smc/smc_pnet.o
  LD [M]  net/smc/smc.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#822)
  LD [M]  net/smc/smc.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/smc/smc_pnet.o
  LD [M]  net/smc/smc.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#822)
  CC [M]  net/smc/smc.mod.o
  LD [M]  net/smc/smc.ko