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(parent: 5ee3fea) | patch
io_uring: Fix use of XArray in __io_uring_files_cancel
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Fri, 9 Oct 2020 12:49:51 +0000 (13:49 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 1 Nov 2020 11:45:36 +0000 (12:45 +0100)
commitefce965a49f118521da9a0e60e7c3a91bdce4cd9
treea193d8511adf24629db48f18bed438938fdcf041tree | snapshot
parent5ee3fea0c227a89f6423a89e41331485c0a91755commit | diff
io_uring: Fix use of XArray in __io_uring_files_cancel

commit ce765372bc443573d1d339a2bf4995de385dea3a upstream.

We have to drop the lock during each iteration, so there's no advantage
to using the advanced API.  Convert this to a standard xa_for_each() loop.

Reported-by: syzbot+27c12725d8ff0bfe1a13@syzkaller.appspotmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/io_uring.c diff | blob | history
wrapfs-5.8.y