DepSurf

Function: import_ubuf

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: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: ✅

  int import_ubuf(int rw, void *buf, size_t len, struct iov_iter *i);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/iov_iter.c (ffffffff818157b0)
  Location: lib/iov_iter.c:1537
  Inline: False
  Direct callers:
    - io_uring/net.c:io_send_zc
    - io_uring/net.c:io_recv
    - io_uring/net.c:io_send
    - io_uring/rw.c:__io_import_iovec
    - lib/iov_iter.c:__import_iovec
  

  Symbols:

  ffffffff818157b0-ffffffff8181582f: import_ubuf (STB_GLOBAL)
  

• In 6.8: ✅

  int import_ubuf(int rw, void *buf, size_t len, struct iov_iter *i);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/iov_iter.c (ffffffff81855d70)
  Location: lib/iov_iter.c:1349
  Inline: False
  Direct callers:
    - kernel/trace/trace_events_user.c:user_events_write
    - fs/aio.c:aio_write
    - fs/aio.c:aio_read
    - io_uring/net.c:io_send_zc
    - io_uring/net.c:io_recv
    - io_uring/net.c:io_send
    - io_uring/rw.c:__io_import_iovec
    - lib/iov_iter.c:__import_iovec
    - drivers/char/random.c:random_ioctl
    - drivers/char/random.c:__ia32_sys_getrandom
    - drivers/char/random.c:__x64_sys_getrandom
    - net/socket.c:__sys_recvfrom
    - net/socket.c:__sys_sendto
    - net/ipv4/tcp.c:tcp_zerocopy_receive
    - net/ipv4/tcp.c:receive_fallback_to_copy
  

  Symbols:

  ffffffff81855d70-ffffffff81855de8: import_ubuf (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 6.5 and 6.8 ✅