Messages in this thread | | | Date | Tue, 26 Mar 2019 01:45:53 +0000 | From | Al Viro <> | Subject | Re: KASAN: use-after-free Read in path_lookupat |
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On Mon, Mar 25, 2019 at 11:37:32PM +0000, Al Viro wrote:
> For debugfs it's clearly "use default ->evict_inode(), have explicit > ->destroy_inode() using free_inode_nonrcu()" - there we have nothing > else done in ->evict_inode() and kfree is obviously safe in softirq. > I'll post that (or push to vfs.git#fixes), along with minimal fixes > for other 3. If bpf_any_put() is softirq-safe, we'll have the full > set for -stable and the rest could be done on top of that. > > Won't solve the documetation problem, unfortunately ;-/
Posted; all of those (as well as Daniel's bpf patch) are Cc:stable fodder. Documentation is still, er, deficient...
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