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 WGKlyADe 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Oct 02, 2024 at 09:44:42PM +0100, Lorenzo Stoakes wrote: > On Wed, Oct 02, 2024 at 10:39:06PM GMT, Bert Karwatzki wrote: > > [snip] > > > I just figured out what was wrong for me in "Ruins of Tasos", I didn't have the > > 32bit vulkan drivers installed, so perhaps if you remove your 32bit vulkan > > driver package you can get the crash, too. > > Thanks, unfortunately I use arch and it has a hard dependency on that. I might > try to force it uninstalled anyway. > > Sorry to have to keep asking you to repro but for now the only way sadly :( > > Hopefully this final patch that I set should give us the final bits of > information we need, can't be sure though. > > This is certainly a very strange thing! I wonder whether a driver is > relying on old mmap() MAP_FIXED behaviour... I realise (being tired) I missed one thing... if you have a sec could you add this to the previously included patch? Thanks! Rather important, as this is the main munmap() entry point... Again, hugely appreciate all your help! ----8<---- >From 200301df3dbd1ca5b3ab2e9238af15602d72e839 Mon Sep 17 00:00:00 2001 From: Lorenzo Stoakes Date: Wed, 2 Oct 2024 22:09:21 +0100 Subject: [PATCH] munmap fix --- mm/mmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/mmap.c b/mm/mmap.c index 8a1d5c0da86f..68817f83263c 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1658,6 +1658,8 @@ static int __vm_munmap(unsigned long start, size_t len, bool unlock) LIST_HEAD(uf); VMA_ITERATOR(vmi, mm, start); + ljs_dump(mm, start, start + len, 0, true); + if (mmap_write_lock_killable(mm)) return -EINTR; -- 2.46.2