r0 = openat$sr(0xffffffffffffff9c, &(0x7f00000035c0), 0xe6b02, 0x0)
pwritev2(r0, &(0x7f0000000080)=[{0x0, 0x3ffffe00}, {&(0x7f0000000040)="b3", 0x1}], 0x4, 0x0, 0x0, 0x0)