On 3/26/24 12:00 PM, syzbot wrote:
Hello, syzbot found the following issue on: HEAD commit: 4f55aa85a874 Merge tag 'fbdev-for-6.9-rc1' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11a8dc6e180000 kernel config: https://syzkaller.appspot.com/x/.config?x=e6bd769cb793b98a dashboard link: https://syzkaller.appspot.com/bug?extid=603bcd9b0bf1d94dbb9b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/991fcbce770a/disk-4f55aa85.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/bd716e5d2c3c/vmlinux-4f55aa85.xz kernel image: https://storage.googleapis.com/syzbot-assets/bf1151dbf5fc/bzImage-4f55aa85.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+603bcd9b0bf1d94dbb9b@xxxxxxxxxxxxxxxxxxxxxxxxx ===================================================== 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?
