r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0)
writev(r0, &(0x7f0000001380)=[{&(0x7f00000002c0)="b6", 0x1}, {&(0x7f00000012c0)='J', 0x1}], 0x2)