Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.O5ppijaMkz and /tmp/tmp.kRSje86IE7
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
ec79003c5f9d ("atm: atmtcp: Prevent arbitrary write in atmtcp_recv_control().")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/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]  drivers/net/ethernet/broadcom/bnxt/bnxt.o
  CHECK   ../drivers/net/ethernet/broadcom/bnxt/bnxt.c
  LD [M]  drivers/net/ethernet/broadcom/bnxt/bnxt_en.o
  CC [M]  net/ipv6/seg6.o
  CHECK   ../net/ipv6/seg6.c
  CC [M]  net/ipv6/seg6_hmac.o
  CHECK   ../net/ipv6/seg6_hmac.c
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1287)
  CC [M]  drivers/net/ethernet/broadcom/bnxt/bnxt_en.mod.o
  LD [M]  drivers/net/ethernet/broadcom/bnxt/bnxt_en.ko
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/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/seg6.o
  CC [M]  net/ipv6/seg6_hmac.o
  CHECK   ../net/ipv6/seg6.c
  CHECK   ../net/ipv6/seg6_hmac.c
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1287)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/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/seg6.o
  CHECK   ../net/ipv6/seg6.c
  CC [M]  net/ipv6/seg6_hmac.o
  CHECK   ../net/ipv6/seg6_hmac.c
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1287)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko