Fix parsing of /proc/pid/maps (iovisor#2025)

Fix parsing of /proc/pid/maps
CrackerCat · Jul 31, 2024 · 474b8c4 · 474b8c4
1 parent 73374e6
commit 474b8c4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/cc/bcc_proc.c b/src/cc/bcc_proc.c
@@ -92,14 +92,14 @@ int bcc_procutils_each_module(int pid, bcc_procutils_modulecb callback,
   if (!procmap)
     return -1;
 
-  char buf[PATH_MAX + 1], perm[5], dev[6];
+  char buf[PATH_MAX + 1], perm[5], dev[8];
   char *name;
   uint64_t begin, end, inode;
   unsigned long long offset;
   while (true) {
     buf[0] = '\0';
     // From fs/proc/task_mmu.c:show_map_vma
-    if (fscanf(procmap, "%lx-%lx %4s %llx %5s %lu%[^\n]", &begin, &end, perm,
+    if (fscanf(procmap, "%lx-%lx %4s %llx %7s %lu%[^\n]", &begin, &end, perm,
                &offset, dev, &inode, buf) != 7)
       break;