r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0)
ftruncate(r0, 0x4)
mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x4, 0x13, r0, 0x0)
madvise(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x1)
mlock(&(0x7f0000ffc000/0x2000)=nil, 0x2000)