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-rw-r--r--pkg/sentry/fs/file_operations.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/fs/file_operations.go b/pkg/sentry/fs/file_operations.go
index beba0f771..f5537411e 100644
--- a/pkg/sentry/fs/file_operations.go
+++ b/pkg/sentry/fs/file_operations.go
@@ -160,6 +160,7 @@ type FileOperations interface {
// refer.
//
// Preconditions: The AddressSpace (if any) that io refers to is activated.
+ // Must only be called from a task goroutine.
Ioctl(ctx context.Context, file *File, io usermem.IO, args arch.SyscallArguments) (uintptr, error)
}