r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
r2 = dup2(r1, r0)
mount$9p_fd(0x0, &(0x7f00000000c0)='./file1\x00', &(0x7f0000000140), 0x0, &(0x7f0000000180)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}})