./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3001263274 <...> Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. execve("./syz-executor3001263274", ["./syz-executor3001263274"], 0x7fff18bd0de0 /* 10 vars */) = 0 brk(NULL) = 0x555556559000 brk(0x555556559c40) = 0x555556559c40 arch_prctl(ARCH_SET_FS, 0x555556559300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555565595d0) = 5069 set_robust_list(0x5555565595e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f31c4a64a20, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f31c4a650f0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f31c4a64ac0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f31c4a650f0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3001263274", 4096) = 28 brk(0x55555657ac40) = 0x55555657ac40 brk(0x55555657b000) = 0x55555657b000 mprotect(0x7f31c4b26000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 getpid() = 5069 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "5069", 4) = 4 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=704, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5069}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x26\x00\x00\x00\x48\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 704 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565595d0) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached , child_tidptr=0x5555565595d0) = 5073 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] set_robust_list(0x5555565595e0, 24 [pid 5072] set_robust_list(0x5555565595e0, 24 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565595d0) = 5075 [pid 5069] <... clone resumed>, child_tidptr=0x5555565595d0) = 5074 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x5555565595e0, 24) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x5555565595d0) = 5076 ./strace-static-x86_64: Process 5075 attached [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x5555565595d0) = 5077 [pid 5069] <... clone resumed>, child_tidptr=0x5555565595d0) = 5078 ./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x5555565595e0, 24) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... clone resumed>, child_tidptr=0x5555565595d0) = 5079 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x5555565595d0) = 5080 [pid 5075] set_robust_list(0x5555565595e0, 24./strace-static-x86_64: Process 5080 attached ) = 0 [pid 5080] set_robust_list(0x5555565595e0, 24./strace-static-x86_64: Process 5078 attached [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5078] set_robust_list(0x5555565595e0, 24 [pid 5075] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... set_robust_list resumed>) = 0 [pid 5075] <... setpgid resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] write(3, "1000", 4) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x5555565595d0) = 5081 ./strace-static-x86_64: Process 5079 attached [pid 5075] close(3) = 0 [pid 5075] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] set_robust_list(0x5555565595e0, 24 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5075] <... mmap resumed>) = 0x7f31c4a34000 [pid 5075] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555565595d0) = 5082 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... clone resumed>, child_tidptr=0x5555565595d0) = 5083 [pid 5075] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5082 attached [pid 5079] <... prctl resumed>) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5075] <... clone resumed>, parent_tid=[5084], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5084 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] set_robust_list(0x5555565595e0, 24 [pid 5075] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5083 attached [pid 5082] set_robust_list(0x5555565595e0, 24 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5075] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5079] write(3, "1000", 4 [pid 5075] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] set_robust_list(0x7f31c4a549e0, 24 [pid 5079] <... write resumed>) = 4 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5081 attached [pid 5084] <... set_robust_list resumed>) = 0 [pid 5079] close(3 [pid 5077] <... prctl resumed>) = 0 [pid 5084] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] set_robust_list(0x5555565595e0, 24 [pid 5079] <... close resumed>) = 0 [pid 5077] setpgid(0, 0 [pid 5083] set_robust_list(0x5555565595e0, 24 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... setpgid resumed>) = 0 [pid 5082] <... prctl resumed>) = 0 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] setpgid(0, 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... openat resumed>) = 3 [pid 5082] <... setpgid resumed>) = 0 [pid 5083] <... prctl resumed>) = 0 [pid 5081] <... prctl resumed>) = 0 [pid 5079] <... mmap resumed>) = 0x7f31c4a34000 [pid 5077] write(3, "1000", 4 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] setpgid(0, 0 [pid 5081] setpgid(0, 0 [pid 5079] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... write resumed>) = 4 [pid 5082] <... openat resumed>) = 3 [pid 5083] <... setpgid resumed>) = 0 [pid 5081] <... setpgid resumed>) = 0 [pid 5079] <... mprotect resumed>) = 0 [pid 5077] close(3 [pid 5082] write(3, "1000", 4 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] <... close resumed>) = 0 [pid 5082] <... write resumed>) = 4 [pid 5083] <... openat resumed>) = 3 [pid 5081] <... openat resumed>) = 3 [pid 5077] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] close(3 [pid 5083] write(3, "1000", 4 [pid 5081] write(3, "1000", 4 [pid 5079] <... clone resumed>, parent_tid=[5085], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5085 [pid 5077] <... futex resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5083] <... write resumed>) = 4 [pid 5081] <... write resumed>) = 4 [pid 5079] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5085 attached [pid 5082] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] close(3 [pid 5081] close(3 [pid 5079] <... futex resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x7f31c4a34000 [pid 5085] set_robust_list(0x7f31c4a549e0, 24 [pid 5082] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5079] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5085] <... set_robust_list resumed>) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... mprotect resumed>) = 0 [pid 5085] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5082] <... mmap resumed>) = 0x7f31c4a34000 [pid 5083] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5082] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... mmap resumed>) = 0x7f31c4a34000 [pid 5081] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5082] <... mprotect resumed>) = 0 [pid 5083] <... mmap resumed>) = 0x7f31c4a34000 [pid 5081] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5082] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... clone resumed>, parent_tid=[5087], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5087 [pid 5083] <... mprotect resumed>) = 0 [pid 5081] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... clone resumed>, parent_tid=[5086], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5086 [pid 5081] <... futex resumed>) = 0 [pid 5077] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... clone resumed>, parent_tid=[5088], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5088 [pid 5083] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5086 attached [pid 5082] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5086] set_robust_list(0x7f31c4a549e0, 24 [pid 5082] <... futex resumed>) = 0 [pid 5083] <... clone resumed>, parent_tid=[5089], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5089 [pid 5077] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5087 attached [pid 5086] <... set_robust_list resumed>) = 0 [pid 5082] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5089 attached ./strace-static-x86_64: Process 5088 attached [pid 5087] set_robust_list(0x7f31c4a549e0, 24 [pid 5086] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5083] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5089] set_robust_list(0x7f31c4a549e0, 24 [pid 5088] set_robust_list(0x7f31c4a549e0, 24 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5087] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5083] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5088] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5075] <... futex resumed>) = 0 [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5077] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5077] <... futex resumed>) = 0 [pid 5082] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... futex resumed>) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5084] <... mmap resumed>) = 0x20000000 [pid 5075] <... mmap resumed>) = 0x7f31c4a13000 [pid 5075] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5090], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5090 [pid 5075] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x7f31c4a339e0, 24) = 0 [pid 5090] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5084] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... openat resumed>) = 3 [pid 5090] write(3, "4", 1) = 1 [pid 5090] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 1 [pid 5084] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5075] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... mmap resumed>) = 0x7f31c4a13000 [pid 5081] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5081] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... clone resumed>, parent_tid=[5091], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5091 [pid 5081] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5091 attached [pid 5077] <... mmap resumed>) = 0x7f31c4a13000 [pid 5091] set_robust_list(0x7f31c4a339e0, 24 [pid 5077] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE [pid 5091] <... set_robust_list resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5077] <... mprotect resumed>) = 0 [pid 5091] <... openat resumed>) = 3 [pid 5077] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5091] write(3, "4", 1) = 1 [pid 5077] <... clone resumed>, parent_tid=[5092], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5092 [pid 5091] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */./strace-static-x86_64: Process 5092 attached [pid 5077] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] set_robust_list(0x7f31c4a339e0, 24) = 0 [pid 5077] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... mmap resumed>) = 0x20000000 [pid 5092] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5087] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... openat resumed>) = 3 [pid 5092] write(3, "4", 1) = 1 [pid 5083] <... mmap resumed>) = 0x7f31c4a13000 [pid 5083] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5083] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5092] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5083] <... clone resumed>, parent_tid=[5093], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5093 [pid 5083] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... mmap resumed>) = 0x20000000 [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] <... mmap resumed>) = 0x7f31c4a13000 [pid 5081] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5093 attached [pid 5087] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5079] <... mprotect resumed>) = 0 [pid 5093] set_robust_list(0x7f31c4a339e0, 24 [pid 5087] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5081] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5093] <... set_robust_list resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5079] <... clone resumed>, parent_tid=[5094], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5094 [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5093] <... openat resumed>) = 3 [pid 5079] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] write(3, "4", 1 [pid 5086] <... futex resumed>) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 1 [pid 5093] <... write resumed>) = 1 [pid 5086] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5079] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5094 attached [pid 5093] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5091] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5090] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... mmap resumed>) = 0x20000000 [pid 5088] <... mmap resumed>) = 0x20000000 [pid 5087] <... madvise resumed>) = 0 [pid 5085] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... madvise resumed>) = 0 [pid 5082] <... mmap resumed>) = 0x7f31c4a13000 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5094] set_robust_list(0x7f31c4a339e0, 24 [pid 5092] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5091] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... madvise resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE [pid 5083] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] exit_group(0 [pid 5079] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] exit_group(0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5092] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = ? [pid 5090] <... futex resumed>) = ? [pid 5089] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = 0 [pid 5085] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5084] <... futex resumed>) = ? [pid 5082] <... mprotect resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5081] <... exit_group resumed>) = ? [pid 5079] <... futex resumed>) = 0 [pid 5075] <... exit_group resumed>) = ? [pid 5094] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5092] <... futex resumed>) = 0 [pid 5091] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5089] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5088] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] +++ exited with 0 +++ [pid 5082] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5095 attached [pid 5094] <... openat resumed>) = 3 [pid 5093] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5092] futex(0x7f31c4b2c498, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] <... madvise resumed>) = 0 [pid 5087] <... futex resumed>) = ? [pid 5086] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] +++ exited with 0 +++ [pid 5095] set_robust_list(0x7f31c4a339e0, 24 [pid 5082] <... clone resumed>, parent_tid=[5095], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5095 [pid 5077] exit_group(0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5092] <... futex resumed>) = ? [pid 5082] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5094] write(3, "4", 1 [pid 5095] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5092] +++ exited with 0 +++ [pid 5082] <... futex resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5095] <... openat resumed>) = 3 [pid 5082] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... restart_syscall resumed>) = 0 [pid 5095] write(3, "4", 1) = 1 [pid 5095] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] <... write resumed>) = 1 [pid 5093] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = ? [pid 5094] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5093] <... futex resumed>) = 0 [pid 5089] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5094] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5093] futex(0x7f31c4b2c498, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5073] <... clone resumed>, child_tidptr=0x5555565595d0) = 5096 [pid 5094] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] exit_group(0 [pid 5094] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = ? [pid 5089] <... futex resumed>) = ? [pid 5083] <... exit_group resumed>) = ? [pid 5094] futex(0x7f31c4b2c498, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] +++ exited with 0 +++ [pid 5089] +++ exited with 0 +++ ./strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x5555565595e0, 24) = 0 [pid 5087] +++ exited with 0 +++ [pid 5081] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5096] <... prctl resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5096] setpgid(0, 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555565595d0) = 5097 [pid 5096] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5097 attached [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] +++ exited with 0 +++ [pid 5097] set_robust_list(0x5555565595e0, 24 [pid 5096] <... openat resumed>) = 3 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] write(3, "1000", 4 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... write resumed>) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x5555565595d0) = 5098 [pid 5097] <... prctl resumed>) = 0 [pid 5096] close(3 [pid 5097] setpgid(0, 0 [pid 5096] <... close resumed>) = 0 [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] <... setpgid resumed>) = 0 [pid 5096] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... openat resumed>) = 3 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5098 attached [pid 5097] write(3, "1000", 4 [pid 5096] <... mmap resumed>) = 0x7f31c4a34000 [pid 5082] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555565595d0) = 5099 [pid 5098] set_robust_list(0x5555565595e0, 24 [pid 5097] <... write resumed>) = 4 [pid 5096] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5088] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5099 attached [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] close(3 [pid 5096] <... mprotect resumed>) = 0 [pid 5088] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5082] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] set_robust_list(0x5555565595e0, 24 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] <... close resumed>) = 0 [pid 5096] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5098] <... prctl resumed>) = 0 [pid 5098] setpgid(0, 0 [pid 5097] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... clone resumed>, parent_tid=[5100], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5100 [pid 5098] <... setpgid resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5096] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] <... futex resumed>) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... openat resumed>) = 3 [pid 5097] <... mmap resumed>) = 0x7f31c4a34000 [pid 5096] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5100 attached [pid 5099] <... prctl resumed>) = 0 [pid 5098] write(3, "1000", 4 [pid 5097] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5100] set_robust_list(0x7f31c4a549e0, 24 [pid 5099] setpgid(0, 0 [pid 5098] <... write resumed>) = 4 [pid 5097] <... mprotect resumed>) = 0 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] <... setpgid resumed>) = 0 [pid 5098] close(3 [pid 5097] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5100] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] <... close resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... clone resumed>, parent_tid=[5101], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5101 [pid 5095] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) ./strace-static-x86_64: Process 5101 attached [pid 5099] write(3, "1000", 4 [pid 5098] <... futex resumed>) = 0 [pid 5097] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... futex resumed>) = 0 [pid 5101] set_robust_list(0x7f31c4a549e0, 24 [pid 5099] <... write resumed>) = 4 [pid 5098] <... mmap resumed>) = 0x7f31c4a34000 [pid 5097] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... futex resumed>) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5099] close(3 [pid 5098] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE [pid 5095] futex(0x7f31c4b2c498, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5099] <... close resumed>) = 0 [pid 5098] <... mprotect resumed>) = 0 [pid 5098] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5085] <... madvise resumed>) = 0 [pid 5098] <... clone resumed>, parent_tid=[5102], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5102 [pid 5098] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x7f31c4a549e0, 24) = 0 [pid 5102] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5099] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] exit_group(0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5094] <... futex resumed>) = ? [pid 5085] <... futex resumed>) = ? [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] <... exit_group resumed>) = ? [pid 5099] <... mmap resumed>) = 0x7f31c4a34000 [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5094] +++ exited with 0 +++ [pid 5085] +++ exited with 0 +++ [pid 5096] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] +++ exited with 0 +++ [pid 5099] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5099] <... clone resumed>, parent_tid=[5103], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5103 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5099] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5103 attached ) = 0 [pid 5103] set_robust_list(0x7f31c4a549e0, 24 [pid 5099] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] <... set_robust_list resumed>) = 0 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5097] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x5555565595d0) = 5104 [pid 5097] <... futex resumed>) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5104 attached [pid 5104] set_robust_list(0x5555565595e0, 24 [pid 5098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] <... set_robust_list resumed>) = 0 [pid 5098] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... futex resumed>) = 0 [pid 5104] <... prctl resumed>) = 0 [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f31c4a34000 [pid 5104] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5099] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] <... clone resumed>, parent_tid=[5105], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5105 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5105 attached [pid 5104] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] set_robust_list(0x7f31c4a549e0, 24) = 0 [pid 5105] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] <... madvise resumed>) = 0 [pid 5088] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] exit_group(0 [pid 5095] <... futex resumed>) = ? [pid 5088] <... futex resumed>) = ? [pid 5082] <... exit_group resumed>) = ? [pid 5095] +++ exited with 0 +++ [pid 5088] +++ exited with 0 +++ [pid 5082] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565595d0) = 5106 ./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x5555565595e0, 24) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f31c4a34000 [pid 5106] mprotect(0x7f31c4a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5106] clone(child_stack=0x7f31c4a543f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5107], tls=0x7f31c4a54700, child_tidptr=0x7f31c4a549d0) = 5107 [pid 5106] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5107 attached [pid 5107] set_robust_list(0x7f31c4a549e0, 24) = 0 [pid 5107] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5106] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... mmap resumed>) = 0x7f31c4a13000 [pid 5101] <... mmap resumed>) = 0x20000000 [pid 5097] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5101] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] <... clone resumed>, parent_tid=[5108], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5108 [pid 5097] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5108 attached [pid 5100] <... mmap resumed>) = 0x20000000 [pid 5096] <... mmap resumed>) = 0x7f31c4a13000 [pid 5108] set_robust_list(0x7f31c4a339e0, 24) = 0 [pid 5100] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE [pid 5108] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5100] <... futex resumed>) = 0 [pid 5096] <... mprotect resumed>) = 0 [pid 5108] <... openat resumed>) = 3 [pid 5100] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5108] write(3, "4", 1) = 1 [pid 5096] <... clone resumed>, parent_tid=[5109], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5109 [pid 5108] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5096] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x7f31c4a339e0, 24) = 0 [pid 5109] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 5109] write(3, "4", 1) = 1 [pid 5109] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5096] <... futex resumed>) = 0 [pid 5103] <... mmap resumed>) = 0x20000000 [pid 5099] <... mmap resumed>) = 0x7f31c4a13000 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5096] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE [pid 5097] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5099] <... mprotect resumed>) = 0 [pid 5097] <... futex resumed>) = 1 [pid 5103] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5099] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5097] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... clone resumed>, parent_tid=[5110], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5110 [pid 5099] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5110 attached [pid 5099] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... mmap resumed>) = 0x7f31c4a13000 [pid 5110] set_robust_list(0x7f31c4a339e0, 24 [pid 5098] mprotect(0x7f31c4a14000, 131072, PROT_READ|PROT_WRITE [pid 5110] <... set_robust_list resumed>) = 0 [pid 5098] <... mprotect resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5098] clone(child_stack=0x7f31c4a333f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5110] <... openat resumed>) = 3 [pid 5110] write(3, "4", 1 [pid 5098] <... clone resumed>, parent_tid=[5111], tls=0x7f31c4a33700, child_tidptr=0x7f31c4a339d0) = 5111 [pid 5110] <... write resumed>) = 1 [pid 5098] futex(0x7f31c4b2c498, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5110] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5098] <... futex resumed>) = 0 [pid 5096] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5111 attached [pid 5098] futex(0x7f31c4b2c49c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] set_robust_list(0x7f31c4a339e0, 24) = 0 [pid 5111] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 5111] write(3, "4", 1) = 1 [pid 5111] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 1 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5100] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5096] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... mmap resumed>) = 0x20000000 [pid 5102] futex(0x7f31c4b2c48c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] futex(0x7f31c4b2c488, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5109] futex(0x7f31c4b2c49c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5099] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7f31c4b2c488, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5109] futex(0x7f31c4b2c498, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5098] futex(0x7f31c4b2c48c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 62.982179][ T5111] ------------[ cut here ]------------ [ 62.988180][ T5111] kernel BUG at mm/khugepaged.c:1794! [ 62.993583][ T5111] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 62.999682][ T5111] CPU: 1 PID: 5111 Comm: syz-executor300 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 63.009765][ T5111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 63.019836][ T5111] RIP: 0010:collapse_file+0x3707/0x57d0 [ 63.025437][ T5111] Code: ff 48 c7 c2 a0 0f 3a 8a be ce 00 00 00 48 c7 c7 00 10 3a 8a c6 05 f2 5f 68 0c 01 e8 1d 2e de 07 e9 8a e1 ff ff e8 09 6b ac ff <0f> 0b e8 02 6b ac ff 48 8b 7c 24 30 4c 89 fe e8 75 3b db 07 48 89 [ 63.045070][ T5111] RSP: 0018:ffffc90003def810 EFLAGS: 00010093 [ 63.051159][ T5111] RAX: 0000000000000000 RBX: 00000000000002c0 RCX: 0000000000000000 [ 63.059142][ T5111] RDX: ffff8880289c9d40 RSI: ffffffff81d4e5f7 RDI: 0000000000000006 [ 63.067132][ T5111] RBP: 0000000000000000 R08: 0000000000000006 R09: 00000000000002c0 [ 63.075128][ T5111] R10: 00000000000002c1 R11: 0000000000000000 R12: 00000000000002c1 [ 63.083119][ T5111] R13: 0000000000000043 R14: ffff88807e9d7ac0 R15: dffffc0000000000 [ 63.091117][ T5111] FS: 00007f31c4a33700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 63.100063][ T5111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.106673][ T5111] CR2: 00007f31c4b0e5a4 CR3: 000000001d68d000 CR4: 00000000003506e0 [ 63.114671][ T5111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.122661][ T5111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.130639][ T5111] Call Trace: [ 63.133921][ T5111] [ 63.136860][ T5111] ? hpage_collapse_scan_pmd+0x1fe0/0x1fe0 [ 63.142722][ T5111] ? find_held_lock+0x2d/0x110 [ 63.147509][ T5111] ? hpage_collapse_scan_file+0x2c3/0x18e0 [ 63.153334][ T5111] ? xas_find+0x302/0x7d0 [ 63.157688][ T5111] hpage_collapse_scan_file+0xdba/0x18e0 [ 63.163428][ T5111] ? collapse_file+0x57d0/0x57d0 [ 63.168412][ T5111] madvise_collapse+0x523/0xb60 [ 63.173282][ T5111] ? current_is_khugepaged+0x30/0x30 [ 63.178589][ T5111] madvise_vma_behavior+0x63d/0x2020 [ 63.183896][ T5111] ? madvise_vma_anon_name+0xf0/0xf0 [ 63.189200][ T5111] ? mas_walk+0x4bd/0x6c0 [ 63.193543][ T5111] ? find_vma_prev+0xe4/0x160 [ 63.198227][ T5111] ? vm_unmapped_area+0x760/0x760 [ 63.203259][ T5111] ? lock_release+0x810/0x810 [ 63.207952][ T5111] madvise_walk_vmas+0x1c7/0x2b0 [ 63.212907][ T5111] ? madvise_vma_anon_name+0xf0/0xf0 [ 63.218217][ T5111] ? __remove_memory+0x40/0x40 [ 63.223001][ T5111] ? find_held_lock+0x2d/0x110 [ 63.227785][ T5111] do_madvise.part.0+0x24a/0x340 [ 63.232745][ T5111] ? madvise_pageout+0x520/0x520 [ 63.237706][ T5111] ? _raw_spin_unlock_irq+0x23/0x50 [ 63.242920][ T5111] ? lockdep_hardirqs_on+0x7d/0x100 [ 63.248130][ T5111] __x64_sys_madvise+0x117/0x150 [ 63.253086][ T5111] ? syscall_trace_enter.constprop.0+0xb0/0x250 [ 63.259345][ T5111] do_syscall_64+0x39/0xb0 [ 63.263781][ T5111] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.269687][ T5111] RIP: 0033:0x7f31c4aaaee9 [ 63.274107][ T5111] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 63.293726][ T5111] RSP: 002b:00007f31c4a332f8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 63.302149][ T5111] RAX: ffffffffffffffda RBX: 00007f31c4b2c498 RCX: 00007f31c4aaaee9 [ 63.310123][ T5111] RDX: 0000000000000019 RSI: 000000000060005f RDI: 0000000020000000 [ 63.318098][ T5111] RBP: 00007f31c4b2c490 R08: 0000000000000001 R09: 0000000000000034 [ 63.326072][ T5111] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31c4a33300 [ 63.334049][ T5111] R13: 0000000000000001 R14: 00007f31c4a33400 R15: 0000000000022000 [ 63.342033][ T5111] [ 63.345053][ T5111] Modules linked in: [ 63.348954][ T5111] ---[ end trace 0000000000000000 ]--- [ 63.354401][ T5111] RIP: 0010:collapse_file+0x3707/0x57d0 [ 63.359969][ T5111] Code: ff 48 c7 c2 a0 0f 3a 8a be ce 00 00 00 48 c7 c7 00 10 3a 8a c6 05 f2 5f 68 0c 01 e8 1d 2e de 07 e9 8a e1 ff ff e8 09 6b ac ff <0f> 0b e8 02 6b ac ff 48 8b 7c 24 30 4c 89 fe e8 75 3b db 07 48 89 [ 63.379626][ T5111] RSP: 0018:ffffc90003def810 EFLAGS: 00010093 [ 63.385723][ T5111] RAX: 0000000000000000 RBX: 00000000000002c0 RCX: 0000000000000000 [ 63.393708][ T5111] RDX: ffff8880289c9d40 RSI: ffffffff81d4e5f7 RDI: 0000000000000006 [ 63.401692][ T5111] RBP: 0000000000000000 R08: 0000000000000006 R09: 00000000000002c0 [ 63.409671][ T5111] R10: 00000000000002c1 R11: 0000000000000000 R12: 00000000000002c1 [ 63.417649][ T5111] R13: 0000000000000043 R14: ffff88807e9d7ac0 R15: dffffc0000000000 [ 63.425626][ T5111] FS: 00007f31c4a33700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 63.434570][ T5111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.441184][ T5111] CR2: 00007f31c4b0e5a4 CR3: 000000001d68d000 CR4: 00000000003506e0 [ 63.449162][ T5111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.457136][ T5111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.465116][ T5111] Kernel panic - not syncing: Fatal exception [ 63.471351][ T5111] Kernel Offset: disabled [ 63.475675][ T5111] Rebooting in 86400 seconds..