website-function

Function: insn_decode

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: ✅

  bool insn_decode(struct insn *insn, struct pt_regs *regs, unsigned char *buf, int buf_size);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn-eval.c (ffffffff816236d0)
  Location: arch/x86/lib/insn-eval.c:1508
  Inline: False
  Direct callers:
    - arch/x86/kernel/umip.c:fixup_umip_exception
    - arch/x86/kernel/sev-es.c:vc_decode_insn
  

  Symbols:

  ffffffff816236d0-ffffffff81623751: insn_decode (STB_GLOBAL)
  

• In 5.13: ✅

  int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn.c (ffffffff81607c40)
  Location: arch/x86/lib/insn.c:735
  Inline: False
  Direct callers:
    - arch/x86/kernel/traps.c:get_kernel_gp_address
    - arch/x86/kernel/alternative.c:text_poke_loc_init
    - arch/x86/kernel/alternative.c:optimize_nops
    - arch/x86/kernel/cpu/mce/severity.c:is_copy_from_user
    - arch/x86/kernel/kprobes/core.c:can_probe
    - arch/x86/kernel/kprobes/opt.c:can_optimize
    - arch/x86/kernel/uprobes.c:arch_uprobe_analyze_insn
    - arch/x86/kernel/sev.c:vc_init_em_ctxt
  

  Symbols:

  ffffffff81607c40-ffffffff81607d2f: insn_decode (STB_GLOBAL)
  

• In 5.15: ✅

  int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn.c (ffffffff81676880)
  Location: arch/x86/lib/insn.c:736
  Inline: False
  Direct callers:
    - arch/x86/kernel/traps.c:get_kernel_gp_address
    - arch/x86/kernel/jump_label.c:arch_jump_entry_size
    - arch/x86/kernel/alternative.c:text_poke_loc_init
    - arch/x86/kernel/alternative.c:optimize_nops
    - arch/x86/kernel/cpu/mce/severity.c:is_copy_from_user
    - arch/x86/kernel/kprobes/core.c:can_probe
    - arch/x86/kernel/kprobes/opt.c:can_optimize
    - arch/x86/kernel/uprobes.c:arch_uprobe_analyze_insn
    - arch/x86/kernel/sev.c:vc_init_em_ctxt
  

  Symbols:

  ffffffff81676880-ffffffff8167696f: insn_decode (STB_GLOBAL)
  

• In 5.19: ✅

  int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn.c (ffffffff81791780)
  Location: arch/x86/lib/insn.c:736
  Inline: False
  Direct callers:
    - arch/x86/coco/tdx/tdx.c:handle_mmio
    - arch/x86/kernel/traps.c:get_kernel_gp_address
    - arch/x86/kernel/jump_label.c:arch_jump_entry_size
    - arch/x86/kernel/alternative.c:text_poke_loc_init
    - arch/x86/kernel/alternative.c:apply_returns
    - arch/x86/kernel/alternative.c:apply_retpolines
    - arch/x86/kernel/alternative.c:optimize_nops
    - arch/x86/kernel/cpu/mce/severity.c:is_copy_from_user
    - arch/x86/kernel/kprobes/core.c:__copy_instruction
    - arch/x86/kernel/kprobes/core.c:can_probe
    - arch/x86/kernel/kprobes/opt.c:can_optimize
    - arch/x86/kernel/uprobes.c:arch_uprobe_analyze_insn
    - arch/x86/kernel/sev.c:vc_decode_insn
  

  Symbols:

  ffffffff81791780-ffffffff81791809: insn_decode (STB_GLOBAL)
  

• In 6.2: ✅

  int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn.c (ffffffff8204f450)
  Location: arch/x86/lib/insn.c:736
  Inline: False
  Direct callers:
    - arch/x86/coco/tdx/tdx.c:handle_mmio
    - arch/x86/kernel/traps.c:get_kernel_gp_address
    - arch/x86/kernel/jump_label.c:arch_jump_entry_size
    - arch/x86/kernel/alternative.c:text_poke_loc_init
    - arch/x86/kernel/alternative.c:apply_returns
    - arch/x86/kernel/alternative.c:apply_retpolines
    - arch/x86/kernel/alternative.c:optimize_nops
    - arch/x86/kernel/cpu/mce/severity.c:is_copy_from_user
    - arch/x86/kernel/kprobes/core.c:__copy_instruction
    - arch/x86/kernel/kprobes/core.c:can_probe
    - arch/x86/kernel/kprobes/opt.c:can_optimize
    - arch/x86/kernel/uprobes.c:uprobe_init_insn
    - arch/x86/kernel/sev.c:vc_decode_insn
    - arch/x86/kernel/callthunks.c:call_get_dest
    - arch/x86/mm/extable.c:ex_handler_zeropad
  

  Symbols:

  ffffffff8204f450-ffffffff8204f4d9: insn_decode (STB_GLOBAL)
  

• In 6.5: ✅

  int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn.c (ffffffff820cdcd0)
  Location: arch/x86/lib/insn.c:736
  Inline: False
  Direct callers:
    - arch/x86/coco/tdx/tdx.c:handle_mmio
    - arch/x86/kernel/traps.c:get_kernel_gp_address
    - arch/x86/kernel/jump_label.c:arch_jump_entry_size
    - arch/x86/kernel/alternative.c:text_poke_loc_init
    - arch/x86/kernel/alternative.c:apply_returns
    - arch/x86/kernel/alternative.c:apply_retpolines
    - arch/x86/kernel/alternative.c:apply_relocation
    - arch/x86/kernel/alternative.c:optimize_nops
    - arch/x86/kernel/alternative.c:skip_nops
    - arch/x86/kernel/cpu/mce/severity.c:is_copy_from_user
    - arch/x86/kernel/kprobes/core.c:__copy_instruction
    - arch/x86/kernel/kprobes/core.c:can_probe
    - arch/x86/kernel/kprobes/opt.c:can_optimize
    - arch/x86/kernel/uprobes.c:uprobe_init_insn
    - arch/x86/kernel/sev.c:vc_init_em_ctxt
    - arch/x86/kernel/callthunks.c:call_get_dest
    - arch/x86/mm/extable.c:ex_handler_zeropad
  

  Symbols:

  ffffffff820cdcd0-ffffffff820cdd59: insn_decode (STB_GLOBAL)
  

• In 6.8: ✅

  int insn_decode(struct insn *insn, const void *kaddr, int buf_len, enum insn_mode m);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/lib/insn.c (ffffffff821a84f0)
  Location: arch/x86/lib/insn.c:736
  Inline: False
  Direct callers:
    - arch/x86/coco/tdx/tdx.c:handle_mmio
    - arch/x86/kernel/traps.c:get_kernel_gp_address
    - arch/x86/kernel/jump_label.c:arch_jump_entry_size
    - arch/x86/kernel/alternative.c:text_poke_loc_init
    - arch/x86/kernel/alternative.c:apply_returns
    - arch/x86/kernel/alternative.c:apply_retpolines
    - arch/x86/kernel/alternative.c:apply_relocation
    - arch/x86/kernel/alternative.c:optimize_nops
    - arch/x86/kernel/alternative.c:skip_nops
    - arch/x86/kernel/cpu/mce/severity.c:is_copy_from_user
    - arch/x86/kernel/kprobes/core.c:__copy_instruction
    - arch/x86/kernel/kprobes/core.c:can_probe
    - arch/x86/kernel/kprobes/opt.c:can_optimize
    - arch/x86/kernel/uprobes.c:uprobe_init_insn
    - arch/x86/kernel/sev.c:vc_init_em_ctxt
    - arch/x86/kernel/callthunks.c:call_get_dest
    - arch/x86/mm/extable.c:ex_handler_zeropad
  

  Symbols:

  ffffffff821a84f0-ffffffff821a8579: insn_decode (STB_GLOBAL)
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• Changed between 5.11 and 5.13 ⚠️

  • Param added. const void *kaddr
  • Param added. int buf_len
  • Param added. enum insn_mode m
  • Param removed. struct pt_regs *regs
  • Param removed. unsigned char *buf
  • Param removed. int buf_size
  • Return type changed. bool ➡️ int
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅