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-rw-r--r--Kernel/Syscalls/sync.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/Kernel/Syscalls/sync.cpp b/Kernel/Syscalls/sync.cpp
index fb07fa6d55..22174843f0 100644
--- a/Kernel/Syscalls/sync.cpp
+++ b/Kernel/Syscalls/sync.cpp
@@ -11,6 +11,7 @@ namespace Kernel {
KResultOr<FlatPtr> Process::sys$sync()
{
+ VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
VirtualFileSystem::sync();
return 0;