syz_open_dev$tty1(0xc, 0x4, 0x1)
openat$vcsa(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r0 = syz_io_uring_setup(0x5c0b, &(0x7f0000000200), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000180)=<r1=>0x0, &(0x7f0000002a40)=<r2=>0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x4}, 0x0)
io_uring_enter(r0, 0x56db, 0x0, 0x0, 0x0, 0x0)
r3 = syz_open_dev$tty1(0xc, 0x4, 0x1)
mmap$IORING_OFF_SQ_RING(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x1000003, 0x1010, 0xffffffffffffffff, 0x0)
writev(r3, &(0x7f0000000000)=[{&(0x7f0000000b00)='L', 0x1}], 0x1)