diff options
Diffstat (limited to 'fs/splice.c')
| -rw-r--r-- | fs/splice.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/splice.c b/fs/splice.c index 06232d7e505f..ed8177f6d620 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -45,7 +45,7 @@ * here if set to avoid blocking other users of this pipe if splice is * being done on it. */ -static noinline void noinline pipe_clear_nowait(struct file *file) +static noinline void pipe_clear_nowait(struct file *file) { fmode_t fmode = READ_ONCE(file->f_mode); @@ -744,6 +744,9 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out, sd.pos = kiocb.ki_pos; if (ret <= 0) break; + WARN_ONCE(ret > sd.total_len - left, + "Splice Exceeded! ret=%zd tot=%zu left=%zu\n", + ret, sd.total_len, left); sd.num_spliced += ret; sd.total_len -= ret; |