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-rw-r--r--src/basic/btrfs-util.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/basic/btrfs-util.c b/src/basic/btrfs-util.c
index acd48f6954..03c7609c92 100644
--- a/src/basic/btrfs-util.c
+++ b/src/basic/btrfs-util.c
@@ -43,6 +43,7 @@
#include "copy.h"
#include "fd-util.h"
#include "fileio.h"
+#include "io-util.h"
#include "macro.h"
#include "missing.h"
#include "path-util.h"
@@ -913,6 +914,10 @@ int btrfs_resize_loopback_fd(int fd, uint64_t new_size, bool grow_only) {
dev_t dev = 0;
int r;
+ /* In contrast to btrfs quota ioctls ftruncate() cannot make sense of "infinity" or file sizes > 2^31 */
+ if (!FILE_SIZE_VALID(new_size))
+ return -EINVAL;
+
/* btrfs cannot handle file systems < 16M, hence use this as minimum */
if (new_size < 16*1024*1024)
new_size = 16*1024*1024;
@@ -2051,7 +2056,7 @@ int btrfs_subvol_get_parent(int fd, uint64_t subvol_id, uint64_t *ret) {
args.key.nr_items = 256;
if (ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args) < 0)
- return -errno;
+ return negative_errno();
if (args.key.nr_items <= 0)
break;