[PATCH v2 0/3] fuse copy_file_range() fixes

[Miklos Szeredi <mszeredi@xxxxxxxxxx>]

Fix 32 bit overflow issues.

v2:
  - check for return value not exceeding requested size [1/3]
  - split patch: limit copy size for old API [2/3], add new API [3/3]

Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
---
Miklos Szeredi (3):
  fuse: check if copy_file_range() returns larger than requested size
  fuse: prevent overflow in copy_file_range return value
  fuse: add COPY_FILE_RANGE_64 that allows large copies

 fs/fuse/file.c            | 39 +++++++++++++++++++++++++++++++--------
 fs/fuse/fuse_i.h          |  3 +++
 include/uapi/linux/fuse.h | 12 +++++++++++-
 3 files changed, 45 insertions(+), 9 deletions(-)

-- 
2.49.0