Re: kvm crash in 5.14.1?
From: Stephen <hidden>
Date: 2021-10-03 05:52:49
Also in:
linux-fsdevel, linux-mm, lkml
quoted hunk ↗ jump to hunk
I think this should fix the problems?diff --git a/include/linux/secretmem.h b/include/linux/secretmem.h index 21c3771e6a56..988528b5da43 100644 --- a/include/linux/secretmem.h +++ b/include/linux/secretmem.h@@ -23,7 +23,7 @@ static inline bool page_is_secretmem(struct page *page) mapping = (struct address_space *) ((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS); - if (mapping != page->mapping) + if (!mapping || mapping != page->mapping) return false; return mapping->a_ops == &secretmem_aops;
I have validated that my system was stable after several days on v5.13.19. I'm now booted into a v5.14.8 kernel with this patch, and I'll try to report back if I see a crash; or in roughly a week if the system seems to have stabilized. Thanks, Stephen