madvise(&(0x7f0000ded000/0x3000)=nil, 0x3000, 0x1)
openat$sr(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0)
sigaltstack(&(0x7f0000ffb000/0x3000)=nil, 0x0)
mremap(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000dec000/0x4000)=nil)