[alsa-devel] [PATCH] ALSA: seq: Fix use-after-free at creating a port

Linus Torvalds torvalds at linux-foundation.org
Wed Oct 11 19:35:46 CEST 2017


On Wed, Oct 11, 2017 at 1:00 AM, Takashi Iwai <tiwai at suse.de> wrote:
> There is a potential race window opened at creating and deleting a
> port via ioctl, as spotted by fuzzing.   [..]

I'm assuming I'll just get this through the normal sound fixes pull request?

Also, just for future issues, I really wish people would edit the call
traces to be a bit more legible. You did remove some of the excessive
KASAN noise, but the stack trace hex numbers are a bit distracting
too.

Of course, the only reason those hex numbers are there in the first
place was that the oops was generated with an older kernel - we don't
even print them out any more.

Not a big deal, but I thought I'd mention it just because I generally
encourage people to try to edit down oopses etc to the really relevant
parts (the kernel often spits out a lot of stuff that isn't really
relevant for the particular bug, because it *might* be)

Thanks,
                   Linus


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