fuse: set FR_SENT while locked

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commit 4c316f2f3f upstream.

Otherwise fuse_dev_do_write() could come in and finish off the request, and
the set_bit(FR_SENT, ...) could trigger the WARN_ON(test_bit(FR_SENT, ...))
in request_end().

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Reported-by: syzbot+ef054c4d3f64cd7f7cec@syzkaller.appspotmai
Fixes: 46c34a348b ("fuse: no fc->lock for pqueue parts")
Cc: <stable@vger.kernel.org> # v4.2
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Miklos Szeredi 2018-09-28 16:43:22 +02:00 • committed by Greg Kroah-Hartman

parent 1ed087a7d7

commit c1ef6c983a

1 changed files with 1 additions and 1 deletions

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fs/fuse/dev.c

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