# {"threaded":true,"repeat":true,"procs":3,"slowdown":1,"sandbox":"none","sandbox_arg":0,"tun":true,"netdev":true,"resetnet":true,"cgroups":true,"binfmt_misc":true,"close_fds":true,"usb":true,"vhci":true,"wifi":true,"ieee802154":true,"sysctl":true,"swap":true,"tmpdir":true,"segv":true,"callcomments":true} recvmsg$unix(0xffffffffffffffff, &(0x7f0000001140)={0x0, 0x0, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x2}, 0x40000300) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15)