prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000001b00))
syz_mount_image$iso9660(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
chroot(&(0x7f00000001c0)='./file0\x00')