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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-26 12:01:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-26 12:01:31 -0800
commit925c94371c5532659f8eb5bcf3b71f78622e4f68 (patch)
treeb30095c6eba0a150d7c01b913047a59123d1f02b /fs
parent7e63545264c3d1844189e47ac8a4dabc03e11d8b (diff)
parent473441720c8616dfaf4451f9c7ea14f0eb5e5d65 (diff)
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Merge tag 'fuse-fixes-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fix from Miklos Szeredi: "Fix a regression caused by a bugfix in the previous release. The symptom is a VM_BUG_ON triggered from splice to the fuse device. Unfortunately the original bugfix was already backported to a number of stable releases, so this fix-fix will need to be backported as well" * tag 'fuse-fixes-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: release pipe buf after last use
Diffstat (limited to 'fs')
-rw-r--r--fs/fuse/dev.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 79f7eda49e06..cd54a529460d 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -847,17 +847,17 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
replace_page_cache_page(oldpage, newpage);
+ get_page(newpage);
+
+ if (!(buf->flags & PIPE_BUF_FLAG_LRU))
+ lru_cache_add(newpage);
+
/*
* Release while we have extra ref on stolen page. Otherwise
* anon_pipe_buf_release() might think the page can be reused.
*/
pipe_buf_release(cs->pipe, buf);
- get_page(newpage);
-
- if (!(buf->flags & PIPE_BUF_FLAG_LRU))
- lru_cache_add(newpage);
-
err = 0;
spin_lock(&cs->req->waitq.lock);
if (test_bit(FR_ABORTED, &cs->req->flags))