r0 = fsopen(&(0x7f0000000080)='tracefs\x00', 0x0)
fsconfig$FSCONFIG_SET_BINARY(r0, 0x2, &(0x7f0000000140)='tracefs\x00', &(0x7f00000013c0)="b1", 0x1)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
read(r0, &(0x7f0000000200)=""/222, 0xde)