r0 = creat(&(0x7f0000000300)='./file0\x00', 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0)
r2 = creat(&(0x7f00000003c0)='./file0\x00', 0x0)
pwrite64(r2, &(0x7f00000000c0)="d1", 0x1, 0xfff2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./file0\x00', 0x0, 0x0)
r4 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}})
sendfile(r0, r1, 0x0, 0xfdef)