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fix overflow with wait options

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python expects options to be a signed 32bit integer
This commit is contained in:
Ninja3047
2023-11-24 02:41:58 -05:00
parent 0f3c15443c
commit edbbbec5f8
1 changed files with 2 additions and 0 deletions
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qiling/os/posix/syscall/wait.py
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@@ -11,6 +11,8 @@ from qiling.os.posix.const import ECHILD
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)