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fuse: missing copy_finish in fuse-over-io-uring argument copies

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Fix a possible reference count leak of payload pages during
fuse argument copies.

[Joanne: simplified error cleanup]

Fixes: c090c8abae ("fuse: Add io-uring sqe commit and fetch support")
Cc: stable@vger.kernel.org # v6.14
Signed-off-by: Cheng Ding <cding@ddn.com>
Signed-off-by: Bernd Schubert <bschubert@ddn.com>
Reviewed-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Cheng Ding
2025-10-21 22:46:42 +02:00
committed by Miklos Szeredi
parent bd5603eaae
commit 6e0d7f7f4a
3 changed files with 6 additions and 2 deletions
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1
fs/fuse/fuse_dev_i.h
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@@ -62,6 +62,7 @@ void fuse_dev_end_requests(struct list_head *head);
void fuse_copy_init(struct fuse_copy_state *cs, bool write,
struct iov_iter *iter);
void fuse_copy_finish(struct fuse_copy_state *cs);
int fuse_copy_args(struct fuse_copy_state *cs, unsigned int numargs,
unsigned int argpages, struct fuse_arg *args,
int zeroing);