[Nouveau] [Bug 58087] [-next] nouveau corrupts kernel mm allocator

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Dec 12 14:03:42 PST 2012


https://bugs.freedesktop.org/show_bug.cgi?id=58087

--- Comment #3 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
It's not a problem with vm allocation. The next one (vm->pgt) fails, so we free
vm, leaving *pvm pointing at freed memory. When we get to nouveau_drm_open, we
call nouveau_cli_destroy(cli), which tries to free cli->base.vm again. Oops.

I already checked other places and some of them also have this bug. I'll post
fixes in a few days.

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