On Wed, Apr 3, 2024 at 5:59 AM Yonghong Song <yonghong.song@xxxxxxxxx> wrote: > > > On 4/1/24 11:36 PM, Aleksandr Nogikh wrote: > > Hi, > > > > On Mon, Apr 1, 2024 at 8:55 PM Yonghong Song <yonghong.song@xxxxxxxxx> wrote: > >> > >> On 3/26/24 12:00 PM, syzbot wrote: > >>> Hello, > >>> > >>> syzbot found the following issue on: > >>> > >>> ===================================================== > >>> BUG: KMSAN: uninit-value in trie_delete_elem+0xc0/0xbe0 kernel/bpf/lpm_trie.c:448 > >> Unrelated to the bug itself, with KMSAN is enabled, qemu cannot boot my vm > >> any more. Anything special I need to do in order to boot a KMSAN kernel? > >> > > Does the kernel print any specific errors to the serial console while > > booting? Or nothing at all? > > In my case, nothing at all. > If you're using qemu, please try adding "-machine pc-q35-7.1" to its arguments. Otherwise it's known to have problems with very large kernel images. -- Aleksandr
