openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sysvipc/shm\x00', 0x0, 0x0)
poll(0x0, 0x0, 0x0)
r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
ioctl$TIOCL_SETSEL(r0, 0x541c, &(0x7f0000000080)={0x2, {0x2, 0xb7a, 0x0, 0x0, 0x100}})