r0 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x5, 0x4031, 0xffffffffffffffff, 0x0)
syz_io_uring_complete(r0)
madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x15)