r0 = openat$selinux_attr(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/attr/exec\x00', 0x2, 0x0)
pwritev(r0, &(0x7f0000000180)=[{&(0x7f0000000040)="e0", 0x1}], 0x1, 0x400, 0x0)