failed to run ["make" "bzImage" "-j" "64" "CC=/syzkaller/gcc/bin/gcc"]: exit status 2
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
scripts/kconfig/conf  --silentoldconfig Kconfig
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
scripts/Makefile.gcc-plugins:23: warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
/syzkaller/gcc/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/cc1: error while loading shared libraries: libisl.so.19: cannot open shared object file: No such file or directory
scripts/Makefile.kasan:16: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler
  SYSTBL  arch/x86/entry/syscalls/../../include/generated/asm/syscalls_32.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/asm/unistd_32_ia32.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/asm/unistd_64_x32.h
  SYSTBL  arch/x86/entry/syscalls/../../include/generated/asm/syscalls_64.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_32.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_64.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_x32.h
  HOSTCC  scripts/basic/bin2c
  CHK     include/config/kernel.release
Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: -fstack-protector-strong not supported by compiler
  UPD     include/config/kernel.release
Makefile:1187: recipe for target 'prepare-compiler-check' failed
make: *** [prepare-compiler-check] Error 1
make: *** Waiting for unfinished jobs....
make: *** wait: No child processes.  Stop.