procfs:fix cmdline overflow

Signed-off-by: anjiahao <[email protected]>
apache · Dec 12, 2024 · 5e4c14d · 5e4c14d
1 parent a94264e
commit 5e4c14d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/fs/procfs/fs_procfsproc.c b/fs/procfs/fs_procfsproc.c
@@ -687,9 +687,9 @@ static ssize_t proc_cmdline(FAR struct proc_file_s *procfile,
 
   /* Show the task / thread argument list (skipping over the name) */
 
-  linesize   = nxtask_argvstr(tcb, procfile->line, remaining);
+  linesize   = nxtask_argvstr(tcb, procfile->line, sizeof(procfile->line));
   copysize   = procfs_memcpy(procfile->line, linesize, buffer,
-                             remaining, &offset);
+                             sizeof(procfile->line), &offset);
   totalsize += copysize;
   buffer    += copysize;
   remaining -= copysize;