set_robust_list(0x7f3d350a29e0, 24)     = 0
mmap(0x7f3d24000000, 67108864, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x7f3d24000000
mprotect(0x7f3d24000000, 135168, PROT_READ|PROT_WRITE) = 0
sigaltstack(NULL, {ss_sp=NULL, ss_flags=SS_DISABLE, ss_size=0}) = 0
sigaltstack({ss_sp=0xc00006e000, ss_flags=0, ss_size=32768}, NULL) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
gettid()                                = 6
futex(0x558cc5a9f518, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
+++ killed by SIGKILL +++