Convert max binary size to a define

Signed-off-by: Anastasios Papagiannis <tasos.papagiannnis@gmail.com>
cilium · Feb 24, 2023 · 2fc6811 · 2fc6811
1 parent 4586261
commit 2fc6811
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/bpf/lib/process.h b/bpf/lib/process.h
@@ -104,6 +104,7 @@
 #define __ASM_ARGSBUFFER 976
 #define ARGSBUFFERMASK	 (ARGSBUFFER - 1)
 #define MAXARGMASK	 (MAXARG - 1)
+#define PATHNAME_SIZE	 256
 
 /* Task flags */
 #ifndef PF_KTHREAD
@@ -316,7 +317,7 @@ struct {
 
 struct execve_heap {
 	union {
-		char pathname[256];
+		char pathname[PATHNAME_SIZE];
 		char maxpath[4096];
 	};
 };

diff --git a/bpf/process/bpf_execve_event.c b/bpf/process/bpf_execve_event.c
@@ -138,7 +138,7 @@ event_filename_builder(void *ctx, struct msg_process *curr, __u32 curr_pid, __u3
 	if (!heap)
 		return 0;
 
-	memset(heap->pathname, 0, 256);
+	memset(heap->pathname, 0, PATHNAME_SIZE);
 	probe_read_str(heap->pathname, size, filename);
 	value = map_lookup_elem(&names_map, heap->pathname);
 	if (value)