| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 046/241] fuse: honor RLIMIT_FSIZE in fuse_file_fallocate | Date | Sun, 9 Jun 2019 18:39:48 +0200 |
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From: Liu Bo <bo.liu@linux.alibaba.com>
commit 0cbade024ba501313da3b7e5dd2a188a6bc491b5 upstream.
fstests generic/228 reported this failure that fuse fallocate does not honor what 'ulimit -f' has set.
This adds the necessary inode_newsize_ok() check.
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com> Fixes: 05ba1f082300 ("fuse: add FALLOCATE operation") Cc: <stable@vger.kernel.org> # v3.5 Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/fuse/file.c | 7 +++++++ 1 file changed, 7 insertions(+)
--- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2947,6 +2947,13 @@ static long fuse_file_fallocate(struct f } } + if (!(mode & FALLOC_FL_KEEP_SIZE) && + offset + length > i_size_read(inode)) { + err = inode_newsize_ok(inode, offset + length); + if (err) + return err; + } + if (!(mode & FALLOC_FL_KEEP_SIZE)) set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
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