// https://syzkaller.appspot.com/bug?id=3685fd141fd6ee3b4823124f9702443cad9cd116 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } #define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off)) #define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \ *(type*)(addr) = \ htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \ (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len)))) static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } #define MAX_FDS 30 static void setup_gadgetfs(); static void setup_binderfs(); static void setup_fusectl(); static void sandbox_common_mount_tmpfs(void) { write_file("/proc/sys/fs/mount-max", "100000"); if (mkdir("./syz-tmp", 0777)) exit(1); if (mount("", "./syz-tmp", "tmpfs", 0, NULL)) exit(1); if (mkdir("./syz-tmp/newroot", 0777)) exit(1); if (mkdir("./syz-tmp/newroot/dev", 0700)) exit(1); unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE; if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL)) exit(1); if (mkdir("./syz-tmp/newroot/proc", 0700)) exit(1); if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL)) exit(1); if (mkdir("./syz-tmp/newroot/selinux", 0700)) exit(1); const char* selinux_path = "./syz-tmp/newroot/selinux"; if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) { if (errno != ENOENT) exit(1); if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); } if (mkdir("./syz-tmp/newroot/sys", 0700)) exit(1); if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL)) exit(1); if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mkdir("./syz-tmp/newroot/syz-inputs", 0700)) exit(1); if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, bind_mount_flags | MS_RDONLY, NULL) && errno != ENOENT) exit(1); if (mkdir("./syz-tmp/pivot", 0777)) exit(1); if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) { if (chdir("./syz-tmp")) exit(1); } else { if (chdir("/")) exit(1); if (umount2("./pivot", MNT_DETACH)) exit(1); } if (chroot("./newroot")) exit(1); if (chdir("/")) exit(1); setup_gadgetfs(); setup_binderfs(); setup_fusectl(); } static void setup_gadgetfs() { if (mkdir("/dev/gadgetfs", 0777)) { } if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) { } } static void setup_fusectl() { if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) { } } static void setup_binderfs() { if (mkdir("/dev/binderfs", 0777)) { } if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) { } if (symlink("/dev/binderfs", "./binderfs")) { } } static void loop(); static void sandbox_common() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); if (getppid() == 1) exit(1); struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = (200 << 20); setrlimit(RLIMIT_AS, &rlim); rlim.rlim_cur = rlim.rlim_max = 32 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 136 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 128 << 20; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); if (unshare(CLONE_NEWNS)) { } if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) { } if (unshare(CLONE_NEWIPC)) { } if (unshare(0x02000000)) { } if (unshare(CLONE_NEWUTS)) { } if (unshare(CLONE_SYSVSEM)) { } typedef struct { const char* name; const char* value; } sysctl_t; static const sysctl_t sysctls[] = { {"/proc/sys/kernel/shmmax", "16777216"}, {"/proc/sys/kernel/shmall", "536870912"}, {"/proc/sys/kernel/shmmni", "1024"}, {"/proc/sys/kernel/msgmax", "8192"}, {"/proc/sys/kernel/msgmni", "1024"}, {"/proc/sys/kernel/msgmnb", "1024"}, {"/proc/sys/kernel/sem", "1024 1048576 500 1024"}, }; unsigned i; for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++) write_file(sysctls[i].name, sysctls[i].value); } static int wait_for_loop(int pid) { if (pid < 0) exit(1); int status = 0; while (waitpid(-1, &status, __WALL) != pid) { } return WEXITSTATUS(status); } static void drop_caps(void) { struct __user_cap_header_struct cap_hdr = {}; struct __user_cap_data_struct cap_data[2] = {}; cap_hdr.version = _LINUX_CAPABILITY_VERSION_3; cap_hdr.pid = getpid(); if (syscall(SYS_capget, &cap_hdr, &cap_data)) exit(1); const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE); cap_data[0].effective &= ~drop; cap_data[0].permitted &= ~drop; cap_data[0].inheritable &= ~drop; if (syscall(SYS_capset, &cap_hdr, &cap_data)) exit(1); } static int do_sandbox_none(void) { if (unshare(CLONE_NEWPID)) { } int pid = fork(); if (pid != 0) return wait_for_loop(pid); sandbox_common(); drop_caps(); if (unshare(CLONE_NEWNET)) { } write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535"); sandbox_common_mount_tmpfs(); loop(); exit(1); } static void kill_and_wait(int pid, int* status) { kill(-pid, SIGKILL); kill(pid, SIGKILL); for (int i = 0; i < 100; i++) { if (waitpid(-1, status, WNOHANG | __WALL) == pid) return; usleep(1000); } DIR* dir = opendir("/sys/fs/fuse/connections"); if (dir) { for (;;) { struct dirent* ent = readdir(dir); if (!ent) break; if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue; char abort[300]; snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort", ent->d_name); int fd = open(abort, O_WRONLY); if (fd == -1) { continue; } if (write(fd, abort, 1) < 0) { } close(fd); } closedir(dir); } else { } while (waitpid(-1, status, __WALL) != pid) { } } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); write_file("/proc/self/oom_score_adj", "1000"); } static void close_fds() { for (int fd = 3; fd < MAX_FDS; fd++) close(fd); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { setup_test(); execute_one(); close_fds(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0}; void execute_one(void) { intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // socket$nl_route arguments: [ // domain: const = 0x10 (8 bytes) // type: const = 0x3 (8 bytes) // proto: const = 0x0 (4 bytes) // ] // returns sock_nl_route res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0); if (res != -1) r[0] = res; // socket$inet arguments: [ // domain: const = 0x2 (8 bytes) // type: socket_type = 0x2 (8 bytes) // proto: int32 = 0x0 (4 bytes) // ] // returns sock_in res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0); if (res != -1) r[1] = res; // ioctl$sock_SIOCGIFINDEX arguments: [ // fd: sock (resource) // cmd: const = 0x8933 (4 bytes) // arg: ptr[out, ifreq_dev_t[devnames, ifindex]] { // ifreq_dev_t[devnames, ifindex] { // ifr_ifrn: buffer: {76 65 74 68 30 00 00 00 00 00 00 00 00 00 00 00} // (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes) // } // } // ] memcpy((void*)0x200000000300, "veth0\000\000\000\000\000\000\000\000\000\000\000", 16); res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933, /*arg=*/0x200000000300ul); if (res != -1) r[2] = *(uint32_t*)0x200000000310; // sendmsg$nl_route_sched arguments: [ // fd: sock_nl_route (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_route_sched]] { // msghdr_netlink[netlink_msg_route_sched] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_route_sched]] { // iovec[in, netlink_msg_route_sched] { // addr: ptr[in, netlink_msg_route_sched] { // union netlink_msg_route_sched { // newqdisc: netlink_msg_t[const[RTM_NEWQDISC, int16], // tcmsg[AF_UNSPEC], rtm_tca_policy] { // len: len = 0xac (4 bytes) // type: const = 0x24 (2 bytes) // flags: netlink_msg_flags = 0x601 (2 bytes) // seq: int32 = 0x0 (4 bytes) // pid: int32 = 0x0 (4 bytes) // payload: tcmsg[AF_UNSPEC] { // family: const = 0x0 (1 bytes) // tcm__pad1: const = 0x0 (1 bytes) // tcm__pad2: const = 0x0 (2 bytes) // ifindex: ifindex (resource) // tcm_handle: tcm_handle { // minor: tcm_handle_offsets = 0x0 (2 bytes) // major: tcm_handle_offsets = 0x0 (2 bytes) // } // tcm_parent: tcm_handle { // minor: tcm_handle_offsets = 0xffff (2 bytes) // major: tcm_handle_offsets = 0xffff (2 bytes) // } // tcm_info: tcm_handle { // minor: tcm_handle_offsets = 0x0 (2 bytes) // major: tcm_handle_offsets = 0x0 (2 bytes) // } // } // attrs: array[rtm_tca_policy] { // union rtm_tca_policy { // qdisc_kind_options: union qdisc_kind_options { // q_taprio: tca_kind_options_t["taprio", // array[taprio_policy]] { // TCA_KIND: nlattr_t[const[TCA_KIND, int16], // string["taprio"]] { // nla_len: offsetof = 0xb (2 bytes) // nla_type: const = 0x1 (2 bytes) // payload: buffer: {74 61 70 72 69 6f 00} (length // 0x7) size: buffer: {} (length 0x0) pad = 0x0 (1 // bytes) // } // TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16], // array[taprio_policy]] { // nla_len: offsetof = 0x7c (2 bytes) // nla_type: const = 0x2 (2 bytes) // payload: array[taprio_policy] { // union taprio_policy { // TCA_TAPRIO_ATTR_PRIOMAP: // nlattr_t[const[TCA_TAPRIO_ATTR_PRIOMAP, // int16], tc_mqprio_qopt] { // nla_len: offsetof = 0x56 (2 bytes) // nla_type: const = 0x1 (2 bytes) // payload: tc_mqprio_qopt { // num_tc: int8 = 0x1 (1 bytes) // prio_tc_map: array[int8] { // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // } // hw: int8 = 0x0 (1 bytes) // count: array[int16] { // int16 = 0x1 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // } // offset: array[int16] { // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // } // } // size: buffer: {} (length 0x0) // pad = 0x0 (2 bytes) // } // } // union taprio_policy { // TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST: // nlattr_tt[const[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST, // int16:14], 0, 1, // array[nlnest[TCA_TAPRIO_SCHED_ENTRY, // array[entry_policy$taprio]]]] { // nla_len: offsetof = 0x18 (2 bytes) // nla_type: const = 0x2 (1 bytes) // NLA_F_NET_BYTEORDER: const = 0x0 (0 bytes) // NLA_F_NESTED: const = 0x1 (1 bytes) // payload: // array[nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY, // int16:14], 0, 1, // array[entry_policy$taprio]]] { // nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY, // int16:14], 0, 1, // array[entry_policy$taprio]] { // nla_len: offsetof = 0x14 (2 bytes) // nla_type: const = 0x1 (1 bytes) // NLA_F_NET_BYTEORDER: const = 0x0 (0 // bytes) NLA_F_NESTED: const = 0x1 (1 // bytes) payload: // array[entry_policy$taprio] { // union entry_policy$taprio { // TCA_TAPRIO_SCHED_ENTRY_GATE_MASK: // nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_GATE_MASK, // int16], int32] { // nla_len: offsetof = 0x8 (2 // bytes) nla_type: const = 0x3 (2 // bytes) payload: int32 = 0x31dd // (4 bytes) size: buffer: {} // (length 0x0) // } // } // union entry_policy$taprio { // TCA_TAPRIO_SCHED_ENTRY_INTERVAL: // nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL, // int16], int32] { // nla_len: offsetof = 0x8 (2 // bytes) nla_type: const = 0x4 (2 // bytes) payload: int32 = 0x484 (4 // bytes) size: buffer: {} (length // 0x0) // } // } // } // size: buffer: {} (length 0x0) // } // } // size: buffer: {} (length 0x0) // } // } // union taprio_policy { // TCA_TAPRIO_ATTR_SCHED_CLOCKID: // nlattr_t[const[TCA_TAPRIO_ATTR_SCHED_CLOCKID, // int16], int32] { // nla_len: offsetof = 0x8 (2 bytes) // nla_type: const = 0x5 (2 bytes) // payload: int32 = 0x0 (4 bytes) // size: buffer: {} (length 0x0) // } // } // } // size: buffer: {} (length 0x0) // } // } // } // } // } // } // } // } // len: len = 0xac (8 bytes) // } // } // vlen: const = 0x1 (8 bytes) // ctrl: const = 0x0 (8 bytes) // ctrllen: const = 0x0 (8 bytes) // f: send_flags = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // } // } // f: send_flags = 0x0 (8 bytes) // ] *(uint64_t*)0x2000000001c0 = 0; *(uint32_t*)0x2000000001c8 = 0; *(uint64_t*)0x2000000001d0 = 0x200000000200; *(uint64_t*)0x200000000200 = 0x200000000000; *(uint32_t*)0x200000000000 = 0xac; *(uint16_t*)0x200000000004 = 0x24; *(uint16_t*)0x200000000006 = 0x601; *(uint32_t*)0x200000000008 = 0; *(uint32_t*)0x20000000000c = 0; *(uint8_t*)0x200000000010 = 0; *(uint8_t*)0x200000000011 = 0; *(uint16_t*)0x200000000012 = 0; *(uint32_t*)0x200000000014 = r[2]; *(uint16_t*)0x200000000018 = 0; *(uint16_t*)0x20000000001a = 0; *(uint16_t*)0x20000000001c = -1; *(uint16_t*)0x20000000001e = -1; *(uint16_t*)0x200000000020 = 0; *(uint16_t*)0x200000000022 = 0; *(uint16_t*)0x200000000024 = 0xb; *(uint16_t*)0x200000000026 = 1; memcpy((void*)0x200000000028, "taprio\000", 7); *(uint16_t*)0x200000000030 = 0x7c; *(uint16_t*)0x200000000032 = 2; *(uint16_t*)0x200000000034 = 0x56; *(uint16_t*)0x200000000036 = 1; *(uint8_t*)0x200000000038 = 1; *(uint8_t*)0x200000000039 = 0; *(uint8_t*)0x20000000003a = 0; *(uint8_t*)0x20000000003b = 0; *(uint8_t*)0x20000000003c = 0; *(uint8_t*)0x20000000003d = 0; *(uint8_t*)0x20000000003e = 0; *(uint8_t*)0x20000000003f = 0; *(uint8_t*)0x200000000040 = 0; *(uint8_t*)0x200000000041 = 0; *(uint8_t*)0x200000000042 = 0; *(uint8_t*)0x200000000043 = 0; *(uint8_t*)0x200000000044 = 0; *(uint8_t*)0x200000000045 = 0; *(uint8_t*)0x200000000046 = 0; *(uint8_t*)0x200000000047 = 0; *(uint8_t*)0x200000000048 = 0; *(uint8_t*)0x200000000049 = 0; *(uint16_t*)0x20000000004a = 1; *(uint16_t*)0x20000000004c = 0; *(uint16_t*)0x20000000004e = 0; *(uint16_t*)0x200000000050 = 0; *(uint16_t*)0x200000000052 = 0; *(uint16_t*)0x200000000054 = 0; *(uint16_t*)0x200000000056 = 0; *(uint16_t*)0x200000000058 = 0; *(uint16_t*)0x20000000005a = 0; *(uint16_t*)0x20000000005c = 0; *(uint16_t*)0x20000000005e = 0; *(uint16_t*)0x200000000060 = 0; *(uint16_t*)0x200000000062 = 0; *(uint16_t*)0x200000000064 = 0; *(uint16_t*)0x200000000066 = 0; *(uint16_t*)0x200000000068 = 0; *(uint16_t*)0x20000000006a = 0; *(uint16_t*)0x20000000006c = 0; *(uint16_t*)0x20000000006e = 0; *(uint16_t*)0x200000000070 = 0; *(uint16_t*)0x200000000072 = 0; *(uint16_t*)0x200000000074 = 0; *(uint16_t*)0x200000000076 = 0; *(uint16_t*)0x200000000078 = 0; *(uint16_t*)0x20000000007a = 0; *(uint16_t*)0x20000000007c = 0; *(uint16_t*)0x20000000007e = 0; *(uint16_t*)0x200000000080 = 0; *(uint16_t*)0x200000000082 = 0; *(uint16_t*)0x200000000084 = 0; *(uint16_t*)0x200000000086 = 0; *(uint16_t*)0x200000000088 = 0; *(uint16_t*)0x20000000008c = 0x18; STORE_BY_BITMASK(uint16_t, , 0x20000000008e, 2, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000000008f, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000000008f, 1, 7, 1); *(uint16_t*)0x200000000090 = 0x14; STORE_BY_BITMASK(uint16_t, , 0x200000000092, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000000093, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000000093, 1, 7, 1); *(uint16_t*)0x200000000094 = 8; *(uint16_t*)0x200000000096 = 3; *(uint32_t*)0x200000000098 = 0x31dd; *(uint16_t*)0x20000000009c = 8; *(uint16_t*)0x20000000009e = 4; *(uint32_t*)0x2000000000a0 = 0x484; *(uint16_t*)0x2000000000a4 = 8; *(uint16_t*)0x2000000000a6 = 5; *(uint32_t*)0x2000000000a8 = 0; *(uint64_t*)0x200000000208 = 0xac; *(uint64_t*)0x2000000001d8 = 1; *(uint64_t*)0x2000000001e0 = 0; *(uint64_t*)0x2000000001e8 = 0; *(uint32_t*)0x2000000001f0 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x2000000001c0ul, /*f=*/0ul); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; do_sandbox_none(); return 0; }