r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000300), 0x220080)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0)
ftruncate(r1, 0x1000004)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={<r2=>0xffffffffffffffff})
sendfile(r2, r1, 0x0, 0xb052)
poll(&(0x7f0000000140)=[{r2, 0xc036}, {r0}], 0x2, 0x0)