syz_mount_image$nfs4(0x0, &(0x7f00000010c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
chroot(&(0x7f00000000c0)='./file0\x00')
openat$sysfs(0xffffffffffffff9c, &(0x7f0000000c80)='/sys/kernel/kexec_crash_size', 0x0, 0x0)