arch_prctl(ARCH_SET_FS, 0x7fb3bed78740) = 0
mprotect(0x7fb3bef30000, 16384, PROT_READ) = 0
mprotect(0x7fb3bef79000, 8192, PROT_READ) = 0
mprotect(0x7fb3bef80000, 4096, PROT_READ) = 0
mprotect(0x2e9000, 102400, PROT_READ)   = 0
mprotect(0x7fb3befad000, 4096, PROT_READ) = 0
arch_prctl(ARCH_SET_FS, 0x303260)       = 0