[PATCH 0/9] riscv: improve self-protection

Jisheng Zhang jszhang3 at mail.ustc.edu.cn
Mon Mar 29 19:21:44 BST 2021


From: Jisheng Zhang <jszhang at kernel.org>

patch1 is a trivial improvement patch to move some functions to .init
section

Then following patches improve self-protection by:

Marking some variables __ro_after_init
Constifing some variables
Enabling ARCH_HAS_STRICT_MODULE_RWX

Jisheng Zhang (9):
  riscv: add __init section marker to some functions
  riscv: Mark some global variables __ro_after_init
  riscv: Constify sys_call_table
  riscv: Constify sbi_ipi_ops
  riscv: kprobes: Implement alloc_insn_page()
  riscv: bpf: Move bpf_jit_alloc_exec() and bpf_jit_free_exec() to core
  riscv: bpf: Avoid breaking W^X
  riscv: module: Create module allocations without exec permissions
  riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU

 arch/riscv/Kconfig                 |  1 +
 arch/riscv/include/asm/smp.h       |  4 ++--
 arch/riscv/include/asm/syscall.h   |  2 +-
 arch/riscv/kernel/module.c         |  2 +-
 arch/riscv/kernel/probes/kprobes.c |  8 ++++++++
 arch/riscv/kernel/sbi.c            | 10 +++++-----
 arch/riscv/kernel/smp.c            |  6 +++---
 arch/riscv/kernel/syscall_table.c  |  2 +-
 arch/riscv/kernel/time.c           |  2 +-
 arch/riscv/kernel/traps.c          |  2 +-
 arch/riscv/kernel/vdso.c           |  4 ++--
 arch/riscv/mm/init.c               | 12 ++++++------
 arch/riscv/mm/kasan_init.c         |  6 +++---
 arch/riscv/mm/ptdump.c             |  2 +-
 arch/riscv/net/bpf_jit_comp64.c    | 13 -------------
 arch/riscv/net/bpf_jit_core.c      | 14 ++++++++++++++
 16 files changed, 50 insertions(+), 40 deletions(-)

-- 
2.31.0





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