Merge pull request #1413 from Ninja3047/fix-wait-overflow

Fix overflow with wait options
qilingframework · Dec 14, 2023 · 687b02f · 687b02f
2 parents 0f3c154 + edbbbec
commit 687b02f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/qiling/os/posix/syscall/wait.py b/qiling/os/posix/syscall/wait.py
@@ -11,6 +11,8 @@
 def ql_syscall_wait4(ql: Qiling, pid: int, wstatus: int, options: int, rusage: int):
     # convert to signed (pid_t is 32bit)
     pid = ql.unpack32s(ql.pack32(pid))
+    # python expects options to be a signed 32bit int
+    options = ql.unpack32s(ql.pack32(options))
 
     try:
         spid, status, _ = os.wait4(pid, options)