DepSurf

Function: strncpy_from_unsafe_user

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: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff8121d9b0)
  Location: mm/maccess.c:165
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff8121d9b0-ffffffff8121da46: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In 5.4: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff8122b450)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff8122b450-ffffffff8122b4e6: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

Arch

• In arm64: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffff8000102b9e38)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffff8000102b9e38-ffff8000102b9f60: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In armhf: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (c04e5fe0)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  c04e5fe0-c04e6094: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In ppc64el: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (c000000000371e30)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  c000000000371e30-c000000000371f48: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In riscv64: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffe0001dd208)
  Location: mm/maccess.c:202
  Inline: False
  

  Symbols:

  ffffffe0001dd208-ffffffe0001dd292: strncpy_from_unsafe_user (STB_GLOBAL)
  

Flavor

• In aws: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff81223aa0)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff81223aa0-ffffffff81223b36: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In azure: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff81216c50)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff81216c50-ffffffff81216ce6: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In gcp: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff81221840)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff81221840-ffffffff812218d6: strncpy_from_unsafe_user (STB_GLOBAL)
  

• In lowlatency: ✅

  long int strncpy_from_unsafe_user(char *dst, const void *unsafe_addr, long int count);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/maccess.c (ffffffff81230a00)
  Location: mm/maccess.c:202
  Inline: False
  Direct callers:
    - kernel/trace/trace_kprobe.c:process_fetch_insn
  

  Symbols:

  ffffffff81230a00-ffffffff81230a96: strncpy_from_unsafe_user (STB_GLOBAL)
  

Differences

Regular

• No changes between 5.3 and 5.4 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅