On Sun, 28 Oct 2018, Anatoly Trosinenko wrote: > Hello, > > When reading a file from a fuzzed cramfs image, unhandled kernel > paging request occurs.
Hmmm... It doesn't show up on my test system. > How to reproduce with kvm-xfstests: > 1) Checkout the v4.19 tag, copy x86_64-config-4.14 to .config, perform > `make olddefconfig` > 2) Enable Cramfs in the config, then compile > 3) In the `kvm-xfstests shell` perform: > > root@kvm-xfstests:~# mount /vtmp > root@kvm-xfstests:~# mount /vtmp/cramfs.img /mnt How do I populate /vtmp? Mine is empty at this point. I imagine I should put the cramfs image somewhere on the host, but I'm not that familiar withkvm. Nicolas

