seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0x7ffc0000}]}) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000001c0)='net/mcfilter6\x00') readv(r0, &(0x7f0000000280)=[{&(0x7f0000001e00)=""/4098, 0x1002}], 0x1) read(r0, &(0x7f00000002c0)=""/180, 0xb4)