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| author | Miklos Szeredi <mszeredi@redhat.com> | 2017-10-25 16:34:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-02 09:36:48 +0100 |
| commit | b7be20b0175f4d148a06224df0324b5810aadb99 (patch) | |
| tree | 2f845e27111534b5c0da7eb6d426ce3c11bb727a /fs | |
| parent | 458a78ab7eb1ca036984ab7323a92dca87e73cec (diff) | |
| download | linux-rt-b7be20b0175f4d148a06224df0324b5810aadb99.tar.gz | |
fuse: fix READDIRPLUS skipping an entry
commit c6cdd51404b7ac12dd95173ddfc548c59ecf037f upstream.
Marios Titas running a Haskell program noticed a problem with fuse's
readdirplus: when it is interrupted by a signal, it skips one directory
entry.
The reason is that fuse erronously updates ctx->pos after a failed
dir_emit().
The issue originates from the patch adding readdirplus support.
Reported-by: Jakob Unterwurzacher <jakobunt@gmail.com>
Tested-by: Marios Titas <redneb@gmx.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 0b05b18381ee ("fuse: implement NFS-like readdirplus support")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fuse/dir.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 015e21edd6bc..1bd3c563ec0b 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1371,7 +1371,8 @@ static int parse_dirplusfile(char *buf, size_t nbytes, struct file *file, */ over = !dir_emit(ctx, dirent->name, dirent->namelen, dirent->ino, dirent->type); - ctx->pos = dirent->off; + if (!over) + ctx->pos = dirent->off; } buf += reclen; |