From 50133489c33764219a505ddb7e9b42cc6d8bfafa Mon Sep 17 00:00:00 2001 From: Yudistira Putra Date: Thu, 2 Jul 2026 21:12:39 +0900 Subject: [PATCH] tracing/probes: make file offset error message probe-agnostic The shared probe argument parser rejects file offsets for kernel probes. This path is used outside the kprobe event parser too, but the diagnostic currently says "with kprobe" even when emitted from another probe path. Make the diagnostic probe-agnostic. Link: https://lore.kernel.org/all/20260622160032.99834-1-pyudistira519@gmail.com/ Signed-off-by: Yudistira Putra Signed-off-by: Masami Hiramatsu (Google) --- kernel/trace/trace_probe.c | 2 +- kernel/trace/trace_probe.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index d17cfee77d9c..9a58c0789ac5 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -1230,7 +1230,7 @@ parse_probe_arg(char *arg, const struct fetch_type *type, code->op = FETCH_OP_IMM; code->immediate = param; } else if (arg[1] == '+') { - /* kprobes don't support file offsets */ + /* Kernel probes do not support file offsets */ if (ctx->flags & TPARG_FL_KERNEL) { trace_probe_log_err(ctx->offset, FILE_ON_KPROBE); return -EINVAL; diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index 0f09f7aaf93f..43e6954c14c5 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -516,7 +516,7 @@ extern int traceprobe_define_arg_fields(struct trace_event_call *event_call, C(BAD_MEM_ADDR, "Invalid memory address"), \ C(BAD_IMM, "Invalid immediate value"), \ C(IMMSTR_NO_CLOSE, "String is not closed with '\"'"), \ - C(FILE_ON_KPROBE, "File offset is not available with kprobe"), \ + C(FILE_ON_KPROBE, "File offset is not available for kernel probes"), \ C(BAD_FILE_OFFS, "Invalid file offset value"), \ C(SYM_ON_UPROBE, "Symbol is not available with uprobe"), \ C(TOO_MANY_OPS, "Dereference is too much nested"), \