r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000040)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x1)
r2 = dup3(r0, r1, 0x0)
mount$9p_fd(0x0, &(0x7f00000003c0)='./file1\x00', &(0x7f0000000400), 0x0, &(0x7f0000000440)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r0}})