DepSurf

Function: strnlen_user_nofault

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: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff812583e0)
  Location: mm/maccess.c:311
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff812583e0-ffffffff8125845e: strnlen_user_nofault (STB_GLOBAL)
  

• In 5.11: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff81262bb0)
  Location: mm/maccess.c:309
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff81262bb0-ffffffff81262bde: strnlen_user_nofault (STB_GLOBAL)
  

• In 5.13: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff812675d0)
  Location: mm/maccess.c:309
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff812675d0-ffffffff812675fe: strnlen_user_nofault (STB_GLOBAL)
  

• In 5.15: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff812a4010)
  Location: mm/maccess.c:325
  Inline: False
  Direct callers:
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff812a4010-ffffffff812a403e: strnlen_user_nofault (STB_GLOBAL)
  

• In 5.19: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff812fc0d0)
  Location: mm/maccess.c:209
  Inline: False
  Direct callers:
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff812fc0d0-ffffffff812fc106: strnlen_user_nofault (STB_GLOBAL)
  

• In 6.2: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff81366320)
  Location: mm/maccess.c:209
  Inline: False
  Direct callers:
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_events_synth.c:trace_event_raw_event_synth
    - kernel/trace/trace_events_synth.c:trace_string
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff81366320-ffffffff81366356: strnlen_user_nofault (STB_GLOBAL)
  

• In 6.5: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff813987c0)
  Location: mm/maccess.c:215
  Inline: False
  Direct callers:
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_events_synth.c:trace_event_raw_event_synth
    - kernel/trace/trace_events_synth.c:trace_string
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_fprobe.c:process_fetch_insn
    - kernel/trace/trace_fprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff813987c0-ffffffff813987f6: strnlen_user_nofault (STB_GLOBAL)
  

• In 6.8: ✅

  long int strnlen_user_nofault(const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff813c25c0)
  Location: mm/maccess.c:215
  Inline: False
  Direct callers:
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:process_fetch_insn
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_eprobe.c:get_eprobe_size
    - kernel/trace/trace_events_synth.c:trace_event_raw_event_synth
    - kernel/trace/trace_events_synth.c:trace_string
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_kprobe.c:process_fetch_insn
    - kernel/trace/trace_fprobe.c:process_fetch_insn
    - kernel/trace/trace_fprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff813c25c0-ffffffff813c25f6: strnlen_user_nofault (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

• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• 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 ✅