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1f9fc89cbb
snd_seq_fifo_poll_wait() evaluates f->cells without locking after poll_wait(), and KCSAN doesn't like it as it appears to be a data-race. Although this doesn't matter much in practice as the value is volatile, it's still better to address it for the mind piece. Wrap it with f->lock spinlock for avoiding the potential data race. Reported-by: syzbot+c3dbc239259940ededba@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?extid=c3dbc239259940ededba Signed-off-by: Takashi Iwai <tiwai@suse.de>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.