From 254475e308fa0b790be05ad15a1bfbf7d8f84d02 Mon Sep 17 00:00:00 2001 From: ssvine <79405160+ssvine@users.noreply.github.com> Date: Fri, 2 Jan 2026 17:36:05 +0300 Subject: [PATCH] Don't read null ptr in NtDelayExecution --- src/windows-emulator/syscalls/thread.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/windows-emulator/syscalls/thread.cpp b/src/windows-emulator/syscalls/thread.cpp index 0553152a..81caa575 100644 --- a/src/windows-emulator/syscalls/thread.cpp +++ b/src/windows-emulator/syscalls/thread.cpp @@ -403,7 +403,10 @@ namespace syscalls NTSTATUS handle_NtDelayExecution(const syscall_context& c, const BOOLEAN alertable, const emulator_object delay_interval) { auto& t = c.win_emu.current_thread(); - t.await_time = utils::convert_delay_interval_to_time_point(c.win_emu.clock(), delay_interval.read()); + if (delay_interval.value()) + { + t.await_time = utils::convert_delay_interval_to_time_point(c.win_emu.clock(), delay_interval.read()); + } c.win_emu.yield_thread(alertable); return STATUS_SUCCESS;