website-function

Function: bpf_bprintf_prepare

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: ✅

  int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, u32 **bin_args, u32 num_args);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff812198d0)
  Location: kernel/bpf/helpers.c:749
  Inline: False
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_seq_printf
    - kernel/trace/bpf_trace.c:bpf_trace_printk
    - kernel/bpf/helpers.c:bpf_snprintf
  

  Symbols:

  ffffffff812198d0-ffffffff81219f0a: bpf_bprintf_prepare (STB_GLOBAL)
  

• In 5.15: ✅

  int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, u32 **bin_args, u32 num_args);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff812504b0)
  Location: kernel/bpf/helpers.c:763
  Inline: False
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_seq_printf
    - kernel/trace/bpf_trace.c:bpf_trace_printk
    - kernel/bpf/verifier.c:check_helper_call
    - kernel/bpf/helpers.c:bpf_snprintf
  

  Symbols:

  ffffffff812504b0-ffffffff81250b15: bpf_bprintf_prepare (STB_GLOBAL)
  

• In 5.19: ✅

  int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, u32 **bin_args, u32 num_args);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81297b70)
  Location: kernel/bpf/helpers.c:824
  Inline: False
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_seq_printf
    - kernel/trace/bpf_trace.c:bpf_trace_vprintk
    - kernel/trace/bpf_trace.c:bpf_trace_printk
    - kernel/bpf/verifier.c:check_helper_call
    - kernel/bpf/helpers.c:bpf_snprintf
  

  Symbols:

  ffffffff81297b70-ffffffff8129823d: bpf_bprintf_prepare (STB_GLOBAL)
  

• In 6.2: ✅

  int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, u32 **bin_args, u32 num_args);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff812f2d10)
  Location: kernel/bpf/helpers.c:809
  Inline: False
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_seq_printf
    - kernel/trace/bpf_trace.c:bpf_trace_vprintk
    - kernel/trace/bpf_trace.c:bpf_trace_printk
    - kernel/bpf/verifier.c:check_helper_call
    - kernel/bpf/helpers.c:bpf_snprintf
  

  Symbols:

  ffffffff812f2d10-ffffffff812f33dc: bpf_bprintf_prepare (STB_GLOBAL)
  

• In 6.5: Transformation ⚠️

  int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, u32 num_args, struct bpf_bprintf_data *data);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/helpers.c (0)
  Location: kernel/bpf/helpers.c:812
  Inline: False
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_seq_printf
    - kernel/trace/bpf_trace.c:bpf_trace_vprintk
    - kernel/trace/bpf_trace.c:bpf_trace_printk
    - kernel/bpf/verifier.c:check_helper_call
    - kernel/bpf/helpers.c:bpf_snprintf
  

  Symbols:

  ffffffff820e08e7-ffffffff820e097a: bpf_bprintf_prepare.cold (STB_LOCAL)
  ffffffff8131fa70-ffffffff81320262: bpf_bprintf_prepare (STB_GLOBAL)
  

• In 6.8: Transformation ⚠️

  int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, u32 num_args, struct bpf_bprintf_data *data);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/helpers.c (0)
  Location: kernel/bpf/helpers.c:818
  Inline: False
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_seq_printf
    - kernel/trace/bpf_trace.c:bpf_trace_vprintk
    - kernel/trace/bpf_trace.c:bpf_trace_printk
    - kernel/bpf/helpers.c:bpf_snprintf
  

  Symbols:

  ffffffff821bcfe0-ffffffff821bd073: bpf_bprintf_prepare.cold (STB_LOCAL)
  ffffffff81341f60-ffffffff81342752: bpf_bprintf_prepare (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 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Param added. struct bpf_bprintf_data *data
  • Param removed. u32 **bin_args
  • Param reordered. fmt, fmt_size, raw_args, bin_args, num_args ➡️ fmt, fmt_size, raw_args, num_args, data
• No changes between 6.5 and 6.8 ✅