r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) writev(r0, &(0x7f0000002200)=[{&(0x7f0000000080)='j', 0x1}], 0x1) ioctl$SNAPSHOT_FREE(r0, 0x3305)