From: Darrick J. Wong <djwong@xxxxxxxxxx>
Something in libext2fs is returning EOVERFLOW (positive) to us. We need
to pass negative errnos back to the fuse driver, so perform this
translation.
Cc: <linux-ext4@xxxxxxxxxxxxxxx> # v1.43
Fixes: 81cbf1ef4f5dab ("misc: add fuse2fs, a FUSE server for e2fsprogs")
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
misc/fuse2fs.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index cc023065727fd5..2bf7413bebb70c 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -4633,8 +4633,18 @@ static int __translate_error(ext2_filsys fs, ext2_ino_t ino, errcode_t err,
int is_err = 0;
/* Translate ext2 error to unix error code */
- if (err < EXT2_ET_BASE)
+ if (err < EXT2_ET_BASE) {
+ if (err > 0) {
+ /*
+ * Apparently libext2fs can throw positive errno
+ * numbers at us. We need to return negative errnos
+ * to the fuse driver.
+ */
+ is_err = 1;
+ ret = -err;
+ }
goto no_translation;
+ }
switch (err) {
case EXT2_ET_NO_MEMORY:
case EXT2_ET_TDB_ERR_OOM:
