Fix potential out of bound access in PCPProcessTable_updateCmdline()

Signed-off-by: Kang-Che Sung <[email protected]>
htop-dev · Jan 23, 2025 · 233c953 · 233c953
1 parent f4bd894
commit 233c953
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pcp/PCPProcessTable.c b/pcp/PCPProcessTable.c
@@ -316,7 +316,7 @@ static void PCPProcessTable_updateCmdline(Process* process, int pid, int offset,
    } else {
       ++command;
       --length;
-      if (command[length - 1] == ')')
+      if (length > 0 && command[length - 1] == ')')
          command[--length] = '\0';
       process->isKernelThread = true;
    }