mbox series

[v7,00/20] linux-user: Fix siginfo_t contents when jumping to non-readable pages

Message ID 20220823220542.1993395-1-richard.henderson@linaro.org
Headers show
Series linux-user: Fix siginfo_t contents when jumping to non-readable pages | expand

Message

Richard Henderson Aug. 23, 2022, 10:05 p.m. UTC 
Changes from v6:
  * Fix an unintentional behaviour change in patches 8 & 12, which
    had inspired the old patches 13 & 14 to fix (removed).
  * Added a new documentation patch 13.


r~


Ilya Leoshkevich (4):
  linux-user: Clear translations and tb_jmp_cache on mprotect()
  accel/tcg: Introduce is_same_page()
  target/s390x: Make translator stop before the end of a page
  target/i386: Make translator stop before the end of a page

Richard Henderson (16):
  linux-user/arm: Mark the commpage executable
  linux-user/hppa: Allocate page zero as a commpage
  linux-user/x86_64: Allocate vsyscall page as a commpage
  linux-user: Honor PT_GNU_STACK
  tests/tcg/i386: Move smc_code2 to an executable section
  accel/tcg: Properly implement get_page_addr_code for user-only
  accel/tcg: Unlock mmap_lock after longjmp
  accel/tcg: Make tb_htable_lookup static
  accel/tcg: Move qemu_ram_addr_from_host_nofail to physmem.c
  accel/tcg: Use probe_access_internal for softmmu
    get_page_addr_code_hostp
  accel/tcg: Document the faulting lookup in tb_lookup_cmp
  accel/tcg: Remove translator_ldsw
  accel/tcg: Add pc and host_pc params to gen_intermediate_code
  accel/tcg: Add fast path for translator_ld*
  target/riscv: Add MAX_INSN_LEN and insn_len
  target/riscv: Make translator stop before the end of a page

 include/elf.h                     |   1 +
 include/exec/cpu-common.h         |   1 +
 include/exec/exec-all.h           |  89 ++++++-------------
 include/exec/translator.h         |  96 +++++++++++++-------
 linux-user/arm/target_cpu.h       |   4 +-
 linux-user/qemu.h                 |   1 +
 accel/tcg/cpu-exec.c              | 143 ++++++++++++++++--------------
 accel/tcg/cputlb.c                |  93 ++++++-------------
 accel/tcg/translate-all.c         |  29 +++---
 accel/tcg/translator.c            | 135 +++++++++++++++++++++-------
 accel/tcg/user-exec.c             |  18 +++-
 linux-user/elfload.c              |  82 +++++++++++++++--
 linux-user/mmap.c                 |   8 ++
 softmmu/physmem.c                 |  12 +++
 target/alpha/translate.c          |   5 +-
 target/arm/translate.c            |   5 +-
 target/avr/translate.c            |   5 +-
 target/cris/translate.c           |   5 +-
 target/hexagon/translate.c        |   6 +-
 target/hppa/translate.c           |   5 +-
 target/i386/tcg/translate.c       |  71 +++++++++------
 target/loongarch/translate.c      |   6 +-
 target/m68k/translate.c           |   5 +-
 target/microblaze/translate.c     |   5 +-
 target/mips/tcg/translate.c       |   5 +-
 target/nios2/translate.c          |   5 +-
 target/openrisc/translate.c       |   6 +-
 target/ppc/translate.c            |   5 +-
 target/riscv/translate.c          |  32 +++++--
 target/rx/translate.c             |   5 +-
 target/s390x/tcg/translate.c      |  20 +++--
 target/sh4/translate.c            |   5 +-
 target/sparc/translate.c          |   5 +-
 target/tricore/translate.c        |   6 +-
 target/xtensa/translate.c         |   6 +-
 tests/tcg/i386/test-i386.c        |   2 +-
 tests/tcg/riscv64/noexec.c        |  79 +++++++++++++++++
 tests/tcg/s390x/noexec.c          | 106 ++++++++++++++++++++++
 tests/tcg/x86_64/noexec.c         |  75 ++++++++++++++++
 tests/tcg/multiarch/noexec.c.inc  | 139 +++++++++++++++++++++++++++++
 tests/tcg/riscv64/Makefile.target |   1 +
 tests/tcg/s390x/Makefile.target   |   1 +
 tests/tcg/x86_64/Makefile.target  |   3 +-
 43 files changed, 971 insertions(+), 365 deletions(-)
 create mode 100644 tests/tcg/riscv64/noexec.c
 create mode 100644 tests/tcg/s390x/noexec.c
 create mode 100644 tests/tcg/x86_64/noexec.c
 create mode 100644 tests/tcg/multiarch/noexec.c.inc