base: buffer: allow sealing operations on memfd

sid-project · Jan 20, 2021 · 99b185d · 99b185d
1 parent 9eaf259
commit 99b185d
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/base/buffer-type-linear.c b/src/base/buffer-type-linear.c
@@ -57,7 +57,7 @@ static int _buffer_linear_realloc(struct buffer *buf, size_t needed, int force)
 
 		case BUFFER_BACKEND_MEMFD:
 			if (buf->fd == -1 &&
-			    (buf->fd = memfd_create("buffer", MFD_CLOEXEC)) < 0)
+			    (buf->fd = memfd_create("buffer", MFD_CLOEXEC | MFD_ALLOW_SEALING)) < 0)
 				return -errno;
 
 			if (ftruncate(buf->fd, needed) < 0)

diff --git a/src/base/buffer-type-vector.c b/src/base/buffer-type-vector.c
@@ -59,7 +59,7 @@ static int _buffer_vector_realloc(struct buffer *buf, size_t needed, int force)
 
 		case BUFFER_BACKEND_MEMFD:
 			if (buf->fd == -1 &&
-			    (buf->fd = memfd_create("buffer", MFD_CLOEXEC)) < 0)
+			    (buf->fd = memfd_create("buffer", MFD_CLOEXEC | MFD_ALLOW_SEALING)) < 0)
 				return -errno;
 
 			if (ftruncate(buf->fd, needed * VECTOR_ITEM_SIZE) < 0)