syz_mount_image$ext4(0x0, &(0x7f0000000340)='./file0\x00', 0x0, 0xfffffffffffffd3c, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000ac0)='./file0\x00', &(0x7f0000000b00)='rpc_pipefs\x00', 0x0, 0x0) chroot(&(0x7f0000000900)='./file0\x00') umount2(&(0x7f00000008c0)='./file0\x00', 0x3) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00')