diff options
Diffstat (limited to 'internal')
| -rw-r--r-- | internal/c/generated_tracepoints.c | 4 | ||||
| -rw-r--r-- | internal/c/generated_tracepoints_result.txt | 2 | ||||
| -rw-r--r-- | internal/generate/classify.go | 6 |
3 files changed, 8 insertions, 4 deletions
diff --git a/internal/c/generated_tracepoints.c b/internal/c/generated_tracepoints.c index 64d40db..8e3f996 100644 --- a/internal/c/generated_tracepoints.c +++ b/internal/c/generated_tracepoints.c @@ -3296,7 +3296,7 @@ int handle_sys_enter_msgsnd(struct syscall_trace_enter *ctx) { return 0; } -/// sys_exit_msgsnd is a struct ret_event (WRITE_CLASSIFIED) (kind=ret) +/// sys_exit_msgsnd is a struct ret_event (UNCLASSIFIED) (kind=ret) SEC("tracepoint/syscalls/sys_exit_msgsnd") int handle_sys_exit_msgsnd(struct syscall_trace_exit *ctx) { __u32 pid, tid; @@ -3316,7 +3316,7 @@ int handle_sys_exit_msgsnd(struct syscall_trace_exit *ctx) { ev->tid = tid; ev->time = bpf_ktime_get_boot_ns(); ev->ret = ctx->ret; - ev->ret_type = WRITE_CLASSIFIED; + ev->ret_type = UNCLASSIFIED; bpf_ringbuf_submit(ev, 0); return 0; diff --git a/internal/c/generated_tracepoints_result.txt b/internal/c/generated_tracepoints_result.txt index e6cb4d3..0a88f30 100644 --- a/internal/c/generated_tracepoints_result.txt +++ b/internal/c/generated_tracepoints_result.txt @@ -551,7 +551,7 @@ sys_exit_mseal is a struct ret_event (UNCLASSIFIED) (kind=ret) sys_exit_msgctl is a struct ret_event (UNCLASSIFIED) (kind=ret) sys_exit_msgget is a struct ret_event (UNCLASSIFIED) (kind=ret) sys_exit_msgrcv is a struct ret_event (READ_CLASSIFIED) (kind=ret) -sys_exit_msgsnd is a struct ret_event (WRITE_CLASSIFIED) (kind=ret) +sys_exit_msgsnd is a struct ret_event (UNCLASSIFIED) (kind=ret) sys_exit_msync is a struct ret_event (UNCLASSIFIED) (kind=ret) sys_exit_munlock is a struct ret_event (UNCLASSIFIED) (kind=ret) sys_exit_munlockall is a struct ret_event (UNCLASSIFIED) (kind=ret) diff --git a/internal/generate/classify.go b/internal/generate/classify.go index 0735291..c1125e5 100644 --- a/internal/generate/classify.go +++ b/internal/generate/classify.go @@ -625,7 +625,11 @@ var retClassifications = map[string]RetClassification{ "pwritev2": WriteClassified, "sendmsg": WriteClassified, "sendto": WriteClassified, - "msgsnd": WriteClassified, + // msgsnd is deliberately NOT listed here: msgsnd(2) returns 0 on success or + // -1 on error — it is NOT a byte count (the payload size msgsz is an INPUT + // arg, never the return). Like its SysV IPC siblings (msgrcv excepted, which + // genuinely returns a received byte count), msgsnd's int status must stay + // UNCLASSIFIED so the stats engine never treats the return as bytes written. "write": WriteClassified, "writev": WriteClassified, "mq_timedsend": WriteClassified, |