r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x4, 0x13, r0, 0x0) truncate(&(0x7f0000000080)='./file0\x00', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0, 0x0) mlock(&(0x7f0000ffc000/0x2000)=nil, 0x2000) fadvise64(r1, 0x0, 0x0, 0x4)