103:00000      65536 pmem0 
 driver: nd_pmem
1f00             128 mtdblock0 
 (driver?)
0800         2097152 sda 
 driver: sd
  0801         2096128 sda1 eff1a8af-01
0b00              64 sr0 
 driver: sr
No filesystem could mount root, tried: 
 reiserfs
 ext3
 ext2
 ext4
 cramfs
 squashfs
 minix
 vfat
 msdos
 exfat
 bfs
 iso9660
 hfsplus
 hfs
 vxfs
 sysv
 v7
 hpfs
 ntfs
 ufs
 efs
 affs
 romfs
 qnx4
 qnx6
 adfs
 fuseblk
 udf
 omfs
 jfs
 xfs
 nilfs2
 befs
 ocfs2
 gfs2
 gfs2meta
 f2fs
 erofs
 zonefs
 btrfs
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,0)
CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 panic+0x306/0x73d kernel/panic.c:231
 mount_block_root+0x4cb/0x4dd init/do_mounts.c:458
 mount_root+0x1af/0x1f5 init/do_mounts.c:561
 prepare_namespace+0x1ff/0x234 init/do_mounts.c:613
 kernel_init_freeable+0x671/0x689 init/main.c:1539
 kernel_init+0xd/0x1b8 init/main.c:1415
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 1 seconds..
ACPI MEMORY or I/O RESET_REG.