// https://syzkaller.appspot.com/bug?id=c4d6f5f7d392471722983a2e85ae391360ca7ae8 // 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 #include #include #include #ifndef __NR_bpf #define __NR_bpf 321 #endif static unsigned long long procid; 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; } static void use_temporary_dir(void) { char tmpdir_template[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } #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)))) typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; for (;;) { uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts); if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) return 1; now = current_time_ms(); if (now - start > timeout) return 0; } } 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 mount_cgroups(const char* dir, const char** controllers, int count) { if (mkdir(dir, 0777)) { return; } char enabled[128] = {0}; int i = 0; for (; i < count; i++) { if (mount("none", dir, "cgroup", 0, controllers[i])) { continue; } umount(dir); strcat(enabled, ","); strcat(enabled, controllers[i]); } if (enabled[0] == 0) { if (rmdir(dir) && errno != EBUSY) exit(1); return; } if (mount("none", dir, "cgroup", 0, enabled + 1)) { if (rmdir(dir) && errno != EBUSY) exit(1); } if (chmod(dir, 0777)) { } } static void mount_cgroups2(const char** controllers, int count) { if (mkdir("/syzcgroup/unified", 0777)) { return; } if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) { if (rmdir("/syzcgroup/unified") && errno != EBUSY) exit(1); return; } if (chmod("/syzcgroup/unified", 0777)) { } int control = open("/syzcgroup/unified/cgroup.subtree_control", O_WRONLY); if (control == -1) return; int i; for (i = 0; i < count; i++) if (write(control, controllers[i], strlen(controllers[i])) < 0) { } close(control); } static void setup_cgroups() { const char* unified_controllers[] = {"+cpu", "+io", "+pids"}; const char* net_controllers[] = {"net", "net_prio", "devices", "blkio", "freezer"}; const char* cpu_controllers[] = {"cpuset", "cpuacct", "hugetlb", "rlimit", "memory"}; if (mkdir("/syzcgroup", 0777)) { return; } mount_cgroups2(unified_controllers, sizeof(unified_controllers) / sizeof(unified_controllers[0])); mount_cgroups("/syzcgroup/net", net_controllers, sizeof(net_controllers) / sizeof(net_controllers[0])); mount_cgroups("/syzcgroup/cpu", cpu_controllers, sizeof(cpu_controllers) / sizeof(cpu_controllers[0])); write_file("/syzcgroup/cpu/cgroup.clone_children", "1"); write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1"); } static void setup_cgroups_loop() { int pid = getpid(); char file[128]; char cgroupdir[64]; snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid); if (mkdir(cgroupdir, 0777)) { } snprintf(file, sizeof(file), "%s/pids.max", cgroupdir); write_file(file, "32"); snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir); write_file(file, "%d", pid); snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid); if (mkdir(cgroupdir, 0777)) { } snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir); write_file(file, "%d", pid); snprintf(file, sizeof(file), "%s/memory.soft_limit_in_bytes", cgroupdir); write_file(file, "%d", 299 << 20); snprintf(file, sizeof(file), "%s/memory.limit_in_bytes", cgroupdir); write_file(file, "%d", 300 << 20); snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid); if (mkdir(cgroupdir, 0777)) { } snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir); write_file(file, "%d", pid); } static void setup_cgroups_test() { char cgroupdir[64]; snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid); if (symlink(cgroupdir, "./cgroup")) { } snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid); if (symlink(cgroupdir, "./cgroup.cpu")) { } snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid); if (symlink(cgroupdir, "./cgroup.net")) { } } static void initialize_cgroups() { if (mkdir("./syz-tmp/newroot/syzcgroup", 0700)) exit(1); if (mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700)) exit(1); if (mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700)) exit(1); if (mkdir("./syz-tmp/newroot/syzcgroup/net", 0700)) exit(1); unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE; if (mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, bind_mount_flags, NULL)) { } if (mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, bind_mount_flags, NULL)) { } if (mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, bind_mount_flags, NULL)) { } } 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); initialize_cgroups(); 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)) { } } 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); } #define FS_IOC_SETFLAGS _IOW('f', 2, long) static void remove_dir(const char* dir) { int iter = 0; DIR* dp = 0; const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW; retry: while (umount2(dir, umount_flags) == 0) { } dp = opendir(dir); if (dp == NULL) { if (errno == EMFILE) { exit(1); } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); while (umount2(filename, umount_flags) == 0) { } struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } int i; for (i = 0;; i++) { if (unlink(filename) == 0) break; if (errno == EPERM) { int fd = open(filename, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno != EBUSY || i > 100) exit(1); if (umount2(filename, umount_flags)) exit(1); } } closedir(dp); for (int i = 0;; i++) { if (rmdir(dir) == 0) break; if (i < 100) { if (errno == EPERM) { int fd = open(dir, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno == EBUSY) { if (umount2(dir, umount_flags)) exit(1); continue; } if (errno == ENOTEMPTY) { if (iter < 100) { iter++; goto retry; } } } 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_loop() { setup_cgroups_loop(); } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); setup_cgroups_test(); write_file("/proc/self/oom_score_adj", "1000"); if (symlink("/dev/binderfs", "./binderfs")) { } } static void close_fds() { for (int fd = 3; fd < MAX_FDS; fd++) close(fd); } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 7; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); close_fds(); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { setup_loop(); int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); setup_test(); execute_one(); 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; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: // perf_event_open arguments: [ // attr: ptr[in, perf_event_attr] { // perf_event_attr { // type: perf_event_type = 0x5 (4 bytes) // size: len = 0x80 (4 bytes) // config0: int8 = 0x0 (1 bytes) // config1: int8 = 0x0 (1 bytes) // config2: int8 = 0x0 (1 bytes) // config3: int8 = 0x0 (1 bytes) // config4: const = 0x0 (4 bytes) // sample_freq: int64 = 0x5 (8 bytes) // sample_type: perf_sample_type = 0x0 (8 bytes) // read_format: perf_read_format = 0x0 (8 bytes) // disabled: int64 = 0x0 (0 bytes) // inherit: int64 = 0x0 (0 bytes) // pinned: int64 = 0x0 (0 bytes) // exclusive: int64 = 0x0 (0 bytes) // exclude_user: int64 = 0x0 (0 bytes) // exclude_kernel: int64 = 0x0 (0 bytes) // exclude_hv: int64 = 0x0 (0 bytes) // exclude_idle: int64 = 0x0 (0 bytes) // mmap: int64 = 0x0 (0 bytes) // comm: int64 = 0x0 (0 bytes) // freq: int64 = 0x0 (0 bytes) // inherit_stat: int64 = 0x0 (0 bytes) // enable_on_exec: int64 = 0x0 (0 bytes) // task: int64 = 0x0 (0 bytes) // watermark: int64 = 0x0 (0 bytes) // precise_ip: int64 = 0x0 (0 bytes) // mmap_data: int64 = 0x0 (0 bytes) // sample_id_all: int64 = 0x0 (0 bytes) // exclude_host: int64 = 0x0 (0 bytes) // exclude_guest: int64 = 0x0 (0 bytes) // exclude_callchain_kernel: int64 = 0x0 (0 bytes) // exclude_callchain_user: int64 = 0x0 (0 bytes) // mmap2: int64 = 0x0 (0 bytes) // comm_exec: int64 = 0x0 (0 bytes) // use_clockid: int64 = 0x0 (0 bytes) // context_switch: int64 = 0x0 (0 bytes) // write_backward: int64 = 0x0 (0 bytes) // namespaces: int64 = 0x0 (0 bytes) // ksymbol: int64 = 0x0 (0 bytes) // bpf_event: int64 = 0x0 (0 bytes) // aux_output: int64 = 0x0 (0 bytes) // cgroup: int64 = 0x0 (0 bytes) // text_poke: int64 = 0x0 (0 bytes) // build_id: int64 = 0x0 (0 bytes) // inherit_thread: int64 = 0x0 (0 bytes) // remove_on_exec: int64 = 0x0 (0 bytes) // sigtrap: int64 = 0x0 (0 bytes) // __reserved_1: const = 0x0 (8 bytes) // wakeup_events: int32 = 0x0 (4 bytes) // bp_type: perf_bp_type = 0x3 (4 bytes) // bp_config: union perf_bp_config { // perf_bp: perf_bp { // bp_addr: ptr[out, int8] { // int8 = 0x0 (1 bytes) // } // bp_len: perf_bp_lens = 0x4 (8 bytes) // } // } // branch_sample_type: perf_branch_sample_type = 0x4044 (8 bytes) // sample_regs_user: int64 = 0x0 (8 bytes) // sample_stack_user: int32 = 0x0 (4 bytes) // clockid: clock_type = 0x0 (4 bytes) // sample_regs_intr: int64 = 0x0 (8 bytes) // aux_watermark: int32 = 0x0 (4 bytes) // sample_max_stack: int16 = 0x0 (2 bytes) // __reserved_2: const = 0x0 (2 bytes) // aux_sample_size: int32 = 0x0 (4 bytes) // __reserved_3: const = 0x0 (4 bytes) // sig_data: int64 = 0x0 (8 bytes) // } // } // pid: pid (resource) // cpu: intptr = 0xffffffffffffffff (8 bytes) // group: fd_perf (resource) // flags: perf_flags = 0xb (8 bytes) // ] // returns fd_perf *(uint32_t*)0x200000000100 = 5; *(uint32_t*)0x200000000104 = 0x80; *(uint8_t*)0x200000000108 = 0; *(uint8_t*)0x200000000109 = 0; *(uint8_t*)0x20000000010a = 0; *(uint8_t*)0x20000000010b = 0; *(uint32_t*)0x20000000010c = 0; *(uint64_t*)0x200000000110 = 5; *(uint64_t*)0x200000000118 = 0; *(uint64_t*)0x200000000120 = 0; STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 29, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 30, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 31, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 32, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 33, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 34, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 35, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 36, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 37, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000128, 0, 38, 26); *(uint32_t*)0x200000000130 = 0; *(uint32_t*)0x200000000134 = 3; *(uint64_t*)0x200000000138 = 0x200000000300; *(uint64_t*)0x200000000140 = 4; *(uint64_t*)0x200000000148 = 0x4044; *(uint64_t*)0x200000000150 = 0; *(uint32_t*)0x200000000158 = 0; *(uint32_t*)0x20000000015c = 0; *(uint64_t*)0x200000000160 = 0; *(uint32_t*)0x200000000168 = 0; *(uint16_t*)0x20000000016c = 0; *(uint16_t*)0x20000000016e = 0; *(uint32_t*)0x200000000170 = 0; *(uint32_t*)0x200000000174 = 0; *(uint64_t*)0x200000000178 = 0; res = syscall( __NR_perf_event_open, /*attr=*/0x200000000100ul, /*pid=*/0, /*cpu=*/(intptr_t)-1, /*group=*/(intptr_t)-1, /*flags=PERF_FLAG_FD_CLOEXEC|PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_NO_GROUP*/ 0xbul); if (res != -1) r[0] = res; break; case 1: // bpf$MAP_CREATE arguments: [ // cmd: const = 0x0 (8 bytes) // arg: ptr[in, bpf_map_create_arg] { // union bpf_map_create_arg { // base: bpf_map_create_arg_t[flags[bpf_map_type, int32], int32, // int32, int32, flags[map_flags, int32], const[0, int64]] { // type: bpf_map_type = 0x9 (4 bytes) // ksize: int32 = 0x1 (4 bytes) // vsize: int32 = 0x7fe2 (4 bytes) // max: int32 = 0x1 (4 bytes) // flags: map_flags = 0x12 (4 bytes) // inner: fd_bpf_map (resource) // node: int32 = 0x0 (4 bytes) // map_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00} (length 0x10) map_ifindex: ifindex (resource) btf_fd: fd_btf // (resource) btf_key_type_id: int32 = 0x0 (4 bytes) // btf_value_type_id: int32 = 0x0 (4 bytes) // btf_vmlinux_type_id: int32 = 0x0 (4 bytes) // map_extra: const = 0x0 (8 bytes) // value_type_btf_obj_fd: union // _bpf_map_create_arg_t[flags[bpf_map_type, int32], int32, int32, // int32, flags[map_flags, int32], const[0, // int64]]_value_type_btf_obj_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad1: union _bpf_map_create_arg_t[flags[bpf_map_type, int32], // int32, int32, int32, flags[map_flags, int32], const[0, // int64]]_pad1_wrapper { // value: const = 0x0 (4 bytes) // } // map_token_fd: union _bpf_map_create_arg_t[flags[bpf_map_type, // int32], int32, int32, int32, flags[map_flags, int32], const[0, // int64]]_map_token_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad2: union _bpf_map_create_arg_t[flags[bpf_map_type, int32], // int32, int32, int32, flags[map_flags, int32], const[0, // int64]]_pad2_wrapper { // value: const = 0x0 (4 bytes) // } // } // } // } // size: len = 0x50 (8 bytes) // ] // returns fd_bpf_map *(uint32_t*)0x200000000340 = 9; *(uint32_t*)0x200000000344 = 1; *(uint32_t*)0x200000000348 = 0x7fe2; *(uint32_t*)0x20000000034c = 1; *(uint32_t*)0x200000000350 = 0x12; *(uint32_t*)0x200000000354 = -1; *(uint32_t*)0x200000000358 = 0; memset((void*)0x20000000035c, 0, 16); *(uint32_t*)0x20000000036c = 0; *(uint32_t*)0x200000000370 = -1; *(uint32_t*)0x200000000374 = 0; *(uint32_t*)0x200000000378 = 0; *(uint32_t*)0x20000000037c = 0; *(uint64_t*)0x200000000380 = 0; *(uint32_t*)0x200000000388 = 0; *(uint32_t*)0x20000000038c = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200000000340ul, /*size=*/0x50ul); if (res != -1) r[1] = res; break; case 2: // bpf$PROG_LOAD arguments: [ // cmd: const = 0x5 (8 bytes) // arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] { // bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, // bpf_btf_id[opt], fd_bpf_prog[opt]] { // type: bpf_prog_type = 0x0 (4 bytes) // ninsn: bytesize8 = 0xc (4 bytes) // insns: ptr[in, bpf_instructions] { // union bpf_instructions { // framed: bpf_framed_program { // initr0: bpf_insn_init_r0 { // code: const = 0x18 (1 bytes) // dst: const = 0x0 (0 bytes) // src: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // imm: int32 = 0x0 (4 bytes) // code2: const = 0x0 (1 bytes) // regs2: const = 0x0 (1 bytes) // off2: const = 0x0 (2 bytes) // imm2: int32 = 0x0 (4 bytes) // } // body: array[bpf_insn] { // union bpf_insn { // ringbuf_output: bpf_insn_ringbuf_output { // insn1: bpf_insn_map_fd_t[const[BPF_REG_1, int8:4], // tail_call_map] { // code: const = 0x18 (1 bytes) // dst: const = 0x1 (0 bytes) // src: const = 0x1 (1 bytes) // off: const = 0x0 (2 bytes) // imm: tail_call_map (resource) // code2: const = 0x0 (1 bytes) // regs2: const = 0x0 (1 bytes) // off2: const = 0x0 (2 bytes) // imm2: const = 0x0 (4 bytes) // } // insn2: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0, // const[BPF_REG_8, int8:4], const[0, int8:4], const[0, // int16], int32] { // code_class: int8 = 0x7 (0 bytes) // code_s: int8 = 0x0 (0 bytes) // code_op: int8 = 0xb (1 bytes) // dst: const = 0x8 (0 bytes) // src: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // imm: int32 = 0x0 (4 bytes) // } // insn3: bpf_insn_ldst_t[BPF_STX, BPF_DW0, BPF_MEM0, // const[BPF_REG_10, int8:4], const[BPF_REG_8, int8:4], // const[-8, int16], const[0, int32]] { // code_class: int8 = 0x3 (0 bytes) // code_size: int8 = 0x3 (0 bytes) // code_mode: int8 = 0x3 (1 bytes) // dst: const = 0xa (0 bytes) // src: const = 0x8 (1 bytes) // off: const = 0xfff8 (2 bytes) // imm: const = 0x0 (4 bytes) // } // insn4: bpf_insn_alu_t[BPF_ALU64, BPF_X0, BPF_MOV0, // const[BPF_REG_2, int8:4], const[BPF_REG_10, int8:4], // const[0, int16], const[0, int32]] { // code_class: int8 = 0x7 (0 bytes) // code_s: int8 = 0x1 (0 bytes) // code_op: int8 = 0xb (1 bytes) // dst: const = 0x2 (0 bytes) // src: const = 0xa (1 bytes) // off: const = 0x0 (2 bytes) // imm: const = 0x0 (4 bytes) // } // insn5: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_ADD0, // const[BPF_REG_2, int8:4], const[0, int8:4], const[0, // int16], const[-8, int32]] { // code_class: int8 = 0x7 (0 bytes) // code_s: int8 = 0x0 (0 bytes) // code_op: int8 = 0x0 (1 bytes) // dst: const = 0x2 (0 bytes) // src: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // imm: const = 0xfffffff8 (4 bytes) // } // insn6: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0, // const[BPF_REG_3, int8:4], const[0, int8:4], const[0, // int16], const[8, int32]] { // code_class: int8 = 0x7 (0 bytes) // code_s: int8 = 0x0 (0 bytes) // code_op: int8 = 0xb (1 bytes) // dst: const = 0x3 (0 bytes) // src: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // imm: const = 0x8 (4 bytes) // } // insn7: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0, // const[BPF_REG_4, int8:4], const[0, int8:4], const[0, // int16], flags[bpf_ringbuf_wakeup_flags, int32]] { // code_class: int8 = 0x7 (0 bytes) // code_s: int8 = 0x0 (0 bytes) // code_op: int8 = 0xb (1 bytes) // dst: const = 0x4 (0 bytes) // src: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // imm: bpf_ringbuf_wakeup_flags = 0x0 (4 bytes) // } // insn8: // bpf_insn_call_helper_t[const[BPF_FUNC_ringbuf_output, // int32]] { // code: const = 0x85 (1 bytes) // regs: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // func: const = 0x3 (4 bytes) // } // } // } // } // exit: bpf_insn_exit { // code: const = 0x95 (1 bytes) // regs: const = 0x0 (1 bytes) // off: const = 0x0 (2 bytes) // imm: const = 0x0 (4 bytes) // } // } // } // } // license: nil // loglev: int32 = 0x0 (4 bytes) // logsize: len = 0x0 (4 bytes) // log: nil // kern_version: bpf_kern_version = 0x0 (4 bytes) // flags: bpf_prog_load_flags = 0x0 (4 bytes) // prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00} (length 0x10) prog_ifindex: ifindex (resource) // expected_attach_type: union bpf_prog_attach_types { // fallback: bpf_attach_types = 0x0 (4 bytes) // } // btf_fd: fd_btf (resource) // func_info_rec_size: const = 0x0 (4 bytes) // func_info: nil // func_info_cnt: len = 0x0 (4 bytes) // line_info_rec_size: const = 0x0 (4 bytes) // line_info: nil // line_info_cnt: len = 0x0 (4 bytes) // attach_btf_id: bpf_btf_id (resource) // attach_prog_fd: fd_bpf_prog (resource) // core_relo_cnt: len = 0x0 (4 bytes) // fd_array: nil // core_relos: nil // core_relo_rec_size: const = 0x0 (4 bytes) // log_true_size: int32 = 0x0 (4 bytes) // prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_prog_token_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_pad_wrapper { // value: const = 0x0 (4 bytes) // } // } // } // size: len = 0x94 (8 bytes) // ] // returns fd_bpf_prog *(uint32_t*)0x200000000580 = 0; *(uint32_t*)0x200000000584 = 0xc; *(uint64_t*)0x200000000588 = 0x200000000440; *(uint8_t*)0x200000000440 = 0x18; STORE_BY_BITMASK(uint8_t, , 0x200000000441, 0, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000441, 0, 4, 4); *(uint16_t*)0x200000000442 = 0; *(uint32_t*)0x200000000444 = 0; *(uint8_t*)0x200000000448 = 0; *(uint8_t*)0x200000000449 = 0; *(uint16_t*)0x20000000044a = 0; *(uint32_t*)0x20000000044c = 0; *(uint8_t*)0x200000000450 = 0x18; STORE_BY_BITMASK(uint8_t, , 0x200000000451, 1, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000451, 1, 4, 4); *(uint16_t*)0x200000000452 = 0; *(uint32_t*)0x200000000454 = r[1]; *(uint8_t*)0x200000000458 = 0; *(uint8_t*)0x200000000459 = 0; *(uint16_t*)0x20000000045a = 0; *(uint32_t*)0x20000000045c = 0; STORE_BY_BITMASK(uint8_t, , 0x200000000460, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000460, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x200000000460, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000461, 8, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000461, 0, 4, 4); *(uint16_t*)0x200000000462 = 0; *(uint32_t*)0x200000000464 = 0; STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 3, 2); STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 5, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000469, 0xa, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000469, 8, 4, 4); *(uint16_t*)0x20000000046a = 0xfff8; *(uint32_t*)0x20000000046c = 0; STORE_BY_BITMASK(uint8_t, , 0x200000000470, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000470, 1, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x200000000470, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000471, 2, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000471, 0xa, 4, 4); *(uint16_t*)0x200000000472 = 0; *(uint32_t*)0x200000000474 = 0; STORE_BY_BITMASK(uint8_t, , 0x200000000478, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000478, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x200000000478, 0, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000479, 2, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000479, 0, 4, 4); *(uint16_t*)0x20000000047a = 0; *(uint32_t*)0x20000000047c = 0xfffffff8; STORE_BY_BITMASK(uint8_t, , 0x200000000480, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000480, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x200000000480, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000481, 3, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000481, 0, 4, 4); *(uint16_t*)0x200000000482 = 0; *(uint32_t*)0x200000000484 = 8; STORE_BY_BITMASK(uint8_t, , 0x200000000488, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x200000000488, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x200000000488, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000489, 4, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x200000000489, 0, 4, 4); *(uint16_t*)0x20000000048a = 0; *(uint32_t*)0x20000000048c = 0; *(uint8_t*)0x200000000490 = 0x85; *(uint8_t*)0x200000000491 = 0; *(uint16_t*)0x200000000492 = 0; *(uint32_t*)0x200000000494 = 3; *(uint8_t*)0x200000000498 = 0x95; *(uint8_t*)0x200000000499 = 0; *(uint16_t*)0x20000000049a = 0; *(uint32_t*)0x20000000049c = 0; *(uint64_t*)0x200000000590 = 0; *(uint32_t*)0x200000000598 = 0; *(uint32_t*)0x20000000059c = 0; *(uint64_t*)0x2000000005a0 = 0; *(uint32_t*)0x2000000005a8 = 0; *(uint32_t*)0x2000000005ac = 0; memset((void*)0x2000000005b0, 0, 16); *(uint32_t*)0x2000000005c0 = 0; *(uint32_t*)0x2000000005c4 = 0; *(uint32_t*)0x2000000005c8 = -1; *(uint32_t*)0x2000000005cc = 0; *(uint64_t*)0x2000000005d0 = 0; *(uint32_t*)0x2000000005d8 = 0; *(uint32_t*)0x2000000005dc = 0; *(uint64_t*)0x2000000005e0 = 0; *(uint32_t*)0x2000000005e8 = 0; *(uint32_t*)0x2000000005ec = 0; *(uint32_t*)0x2000000005f0 = 0; *(uint32_t*)0x2000000005f4 = 0; *(uint64_t*)0x2000000005f8 = 0; *(uint64_t*)0x200000000600 = 0; *(uint32_t*)0x200000000608 = 0; *(uint32_t*)0x20000000060c = 0; *(uint32_t*)0x200000000610 = 0; syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000580ul, /*size=*/0x94ul); break; case 3: // bpf$MAP_UPDATE_BATCH arguments: [ // cmd: const = 0x1a (8 bytes) // arg: ptr[in, bpf_map_batch_arg] { // bpf_map_batch_arg { // in_batch: nil // out_batch: nil // key: ptr[in, buffer] { // buffer: {} (length 0x0) // } // val: ptr[in, buffer] { // buffer: {} (length 0x0) // } // count: int32 = 0x80000002 (4 bytes) // map_fd: fd_bpf_map (resource) // elem_flags: bpf_batch_flags = 0x0 (8 bytes) // flags: const = 0x0 (8 bytes) // } // } // size: len = 0x38 (8 bytes) // ] *(uint64_t*)0x200000000200 = 0; *(uint64_t*)0x200000000208 = 0; *(uint64_t*)0x200000000210 = 0x2000000002c0; *(uint64_t*)0x200000000218 = 0x200000000740; *(uint32_t*)0x200000000220 = 0x80000002; *(uint32_t*)0x200000000224 = r[1]; *(uint64_t*)0x200000000228 = 0; *(uint64_t*)0x200000000230 = 0; syscall(__NR_bpf, /*cmd=*/0x1aul, /*arg=*/0x200000000200ul, /*size=*/0x38ul); break; case 4: // bpf$PROG_LOAD arguments: [ // cmd: const = 0x5 (8 bytes) // arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] { // bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, // bpf_btf_id[opt], fd_bpf_prog[opt]] { // type: bpf_prog_type = 0x7 (4 bytes) // ninsn: bytesize8 = 0xc (4 bytes) // insns: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // } // } // license: ptr[in, buffer] { // buffer: {47 50 4c 00} (length 0x4) // } // loglev: int32 = 0x0 (4 bytes) // logsize: len = 0x0 (4 bytes) // log: nil // kern_version: bpf_kern_version = 0x0 (4 bytes) // flags: bpf_prog_load_flags = 0x0 (4 bytes) // prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00} (length 0x10) prog_ifindex: ifindex (resource) // expected_attach_type: union bpf_prog_attach_types { // fallback: bpf_attach_types = 0x24 (4 bytes) // } // btf_fd: fd_btf (resource) // func_info_rec_size: const = 0x0 (4 bytes) // func_info: nil // func_info_cnt: len = 0x0 (4 bytes) // line_info_rec_size: const = 0x0 (4 bytes) // line_info: nil // line_info_cnt: len = 0x0 (4 bytes) // attach_btf_id: bpf_btf_id (resource) // attach_prog_fd: fd_bpf_prog (resource) // core_relo_cnt: len = 0x0 (4 bytes) // fd_array: nil // core_relos: nil // core_relo_rec_size: const = 0x0 (4 bytes) // log_true_size: int32 = 0x0 (4 bytes) // prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_prog_token_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_pad_wrapper { // value: const = 0x0 (4 bytes) // } // } // } // size: len = 0x94 (8 bytes) // ] // returns fd_bpf_prog *(uint32_t*)0x2000000005c0 = 7; *(uint32_t*)0x2000000005c4 = 0xc; *(uint64_t*)0x2000000005c8 = 0x200000000440; *(uint64_t*)0x2000000005d0 = 0x200000000240; memcpy((void*)0x200000000240, "GPL\000", 4); *(uint32_t*)0x2000000005d8 = 0; *(uint32_t*)0x2000000005dc = 0; *(uint64_t*)0x2000000005e0 = 0; *(uint32_t*)0x2000000005e8 = 0; *(uint32_t*)0x2000000005ec = 0; memset((void*)0x2000000005f0, 0, 16); *(uint32_t*)0x200000000600 = 0; *(uint32_t*)0x200000000604 = 0x24; *(uint32_t*)0x200000000608 = -1; *(uint32_t*)0x20000000060c = 0; *(uint64_t*)0x200000000610 = 0; *(uint32_t*)0x200000000618 = 0; *(uint32_t*)0x20000000061c = 0; *(uint64_t*)0x200000000620 = 0; *(uint32_t*)0x200000000628 = 0; *(uint32_t*)0x20000000062c = 0; *(uint32_t*)0x200000000630 = 0; *(uint32_t*)0x200000000634 = 0; *(uint64_t*)0x200000000638 = 0; *(uint64_t*)0x200000000640 = 0; *(uint32_t*)0x200000000648 = 0; *(uint32_t*)0x20000000064c = 0; *(uint32_t*)0x200000000650 = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000005c0ul, /*size=*/0x94ul); if (res != -1) r[2] = res; break; case 5: // ioctl$PERF_EVENT_IOC_SET_BPF arguments: [ // fd: fd_perf (resource) // cmd: const = 0x40042408 (4 bytes) // prog: fd_bpf_prog (resource) // ] syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40042408, /*prog=*/r[2]); break; case 6: // bpf$BPF_PROG_TEST_RUN arguments: [ // cmd: const = 0xa (8 bytes) // arg: ptr[in, bpf_test_prog_arg] { // bpf_test_prog_arg { // prog: fd_bpf_prog (resource) // retval: const = 0x0 (4 bytes) // insizedata: len = 0x0 (4 bytes) // outsizedata: len = 0x0 (4 bytes) // indata: nil // outdata: nil // repeat: int32 = 0xe00 (4 bytes) // dur: const = 0x0 (4 bytes) // insizectx: len = 0x0 (4 bytes) // outsizectx: len = 0x0 (4 bytes) // inctx: nil // outctx: nil // flags: bpf_prog_test_run_flags = 0x0 (4 bytes) // cpu: const = 0x0 (4 bytes) // batch_size: int32 = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // } // } // size: len = 0x50 (8 bytes) // ] *(uint32_t*)0x2000000002c0 = -1; *(uint32_t*)0x2000000002c4 = 0; *(uint32_t*)0x2000000002c8 = 0; *(uint32_t*)0x2000000002cc = 0; *(uint64_t*)0x2000000002d0 = 0; *(uint64_t*)0x2000000002d8 = 0; *(uint32_t*)0x2000000002e0 = 0xe00; *(uint32_t*)0x2000000002e4 = 0; *(uint32_t*)0x2000000002e8 = 0; *(uint32_t*)0x2000000002ec = 0; *(uint64_t*)0x2000000002f0 = 0; *(uint64_t*)0x2000000002f8 = 0; *(uint32_t*)0x200000000300 = 0; *(uint32_t*)0x200000000304 = 0; *(uint32_t*)0x200000000308 = 0; syscall(__NR_bpf, /*cmd=*/0xaul, /*arg=*/0x2000000002c0ul, /*size=*/0x50ul); break; } } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*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=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); setup_cgroups(); const char* reason; (void)reason; for (procid = 0; procid < 5; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; }