| // WARNING in task_participate_group_stop (2) |
| // https://syzkaller.appspot.com/bug?id=5459ac33e08b7a1e59c1c598377687218602b620 |
| // status:open |
| // autogenerated by syzkaller (http://github.com/google/syzkaller) |
| |
| #define _GNU_SOURCE |
| #include <endian.h> |
| #include <errno.h> |
| #include <linux/futex.h> |
| #include <linux/net.h> |
| #include <netinet/in.h> |
| #include <pthread.h> |
| #include <signal.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/prctl.h> |
| #include <sys/socket.h> |
| #include <sys/syscall.h> |
| #include <sys/time.h> |
| #include <sys/wait.h> |
| #include <time.h> |
| #include <unistd.h> |
| |
| __attribute__((noreturn)) static void doexit(int status) |
| { |
| volatile unsigned i; |
| syscall(__NR_exit_group, status); |
| for (i = 0;; i++) { |
| } |
| } |
| #include <errno.h> |
| #include <stdarg.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| const int kFailStatus = 67; |
| const int kRetryStatus = 69; |
| |
| static void fail(const char* msg, ...) |
| { |
| int e = errno; |
| va_list args; |
| va_start(args, msg); |
| vfprintf(stderr, msg, args); |
| va_end(args); |
| fprintf(stderr, " (errno %d)\n", e); |
| doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus); |
| } |
| |
| static uint64_t current_time_ms() |
| { |
| struct timespec ts; |
| |
| if (clock_gettime(CLOCK_MONOTONIC, &ts)) |
| fail("clock_gettime failed"); |
| return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; |
| } |
| |
| #define XT_TABLE_SIZE 1536 |
| #define XT_MAX_ENTRIES 10 |
| |
| struct xt_counters { |
| uint64_t pcnt, bcnt; |
| }; |
| |
| struct ipt_getinfo { |
| char name[32]; |
| unsigned int valid_hooks; |
| unsigned int hook_entry[5]; |
| unsigned int underflow[5]; |
| unsigned int num_entries; |
| unsigned int size; |
| }; |
| |
| struct ipt_get_entries { |
| char name[32]; |
| unsigned int size; |
| void* entrytable[XT_TABLE_SIZE / sizeof(void*)]; |
| }; |
| |
| struct ipt_replace { |
| char name[32]; |
| unsigned int valid_hooks; |
| unsigned int num_entries; |
| unsigned int size; |
| unsigned int hook_entry[5]; |
| unsigned int underflow[5]; |
| unsigned int num_counters; |
| struct xt_counters* counters; |
| char entrytable[XT_TABLE_SIZE]; |
| }; |
| |
| struct ipt_table_desc { |
| const char* name; |
| struct ipt_getinfo info; |
| struct ipt_replace replace; |
| }; |
| |
| static struct ipt_table_desc ipv4_tables[] = { |
| {.name = "filter"}, {.name = "nat"}, {.name = "mangle"}, |
| {.name = "raw"}, {.name = "security"}, |
| }; |
| |
| static struct ipt_table_desc ipv6_tables[] = { |
| {.name = "filter"}, {.name = "nat"}, {.name = "mangle"}, |
| {.name = "raw"}, {.name = "security"}, |
| }; |
| |
| #define IPT_BASE_CTL 64 |
| #define IPT_SO_SET_REPLACE (IPT_BASE_CTL) |
| #define IPT_SO_GET_INFO (IPT_BASE_CTL) |
| #define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1) |
| |
| struct arpt_getinfo { |
| char name[32]; |
| unsigned int valid_hooks; |
| unsigned int hook_entry[3]; |
| unsigned int underflow[3]; |
| unsigned int num_entries; |
| unsigned int size; |
| }; |
| |
| struct arpt_get_entries { |
| char name[32]; |
| unsigned int size; |
| void* entrytable[XT_TABLE_SIZE / sizeof(void*)]; |
| }; |
| |
| struct arpt_replace { |
| char name[32]; |
| unsigned int valid_hooks; |
| unsigned int num_entries; |
| unsigned int size; |
| unsigned int hook_entry[3]; |
| unsigned int underflow[3]; |
| unsigned int num_counters; |
| struct xt_counters* counters; |
| char entrytable[XT_TABLE_SIZE]; |
| }; |
| |
| struct arpt_table_desc { |
| const char* name; |
| struct arpt_getinfo info; |
| struct arpt_replace replace; |
| }; |
| |
| static struct arpt_table_desc arpt_tables[] = { |
| {.name = "filter"}, |
| }; |
| |
| #define ARPT_BASE_CTL 96 |
| #define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL) |
| #define ARPT_SO_GET_INFO (ARPT_BASE_CTL) |
| #define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1) |
| |
| static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables, |
| int family, int level) |
| { |
| struct ipt_get_entries entries; |
| socklen_t optlen; |
| int fd, i; |
| |
| fd = socket(family, SOCK_STREAM, IPPROTO_TCP); |
| if (fd == -1) { |
| switch (errno) { |
| case EAFNOSUPPORT: |
| case ENOPROTOOPT: |
| return; |
| } |
| fail("socket(%d, SOCK_STREAM, IPPROTO_TCP)", family); |
| } |
| for (i = 0; i < num_tables; i++) { |
| struct ipt_table_desc* table = &tables[i]; |
| strcpy(table->info.name, table->name); |
| strcpy(table->replace.name, table->name); |
| optlen = sizeof(table->info); |
| if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) { |
| switch (errno) { |
| case EPERM: |
| case ENOENT: |
| case ENOPROTOOPT: |
| continue; |
| } |
| fail("getsockopt(IPT_SO_GET_INFO)"); |
| } |
| if (table->info.size > sizeof(table->replace.entrytable)) |
| fail("table size is too large: %u", table->info.size); |
| if (table->info.num_entries > XT_MAX_ENTRIES) |
| fail("too many counters: %u", table->info.num_entries); |
| memset(&entries, 0, sizeof(entries)); |
| strcpy(entries.name, table->name); |
| entries.size = table->info.size; |
| optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size; |
| if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen)) |
| fail("getsockopt(IPT_SO_GET_ENTRIES)"); |
| table->replace.valid_hooks = table->info.valid_hooks; |
| table->replace.num_entries = table->info.num_entries; |
| table->replace.size = table->info.size; |
| memcpy(table->replace.hook_entry, table->info.hook_entry, |
| sizeof(table->replace.hook_entry)); |
| memcpy(table->replace.underflow, table->info.underflow, |
| sizeof(table->replace.underflow)); |
| memcpy(table->replace.entrytable, entries.entrytable, table->info.size); |
| } |
| close(fd); |
| } |
| |
| static void reset_iptables(struct ipt_table_desc* tables, int num_tables, |
| int family, int level) |
| { |
| struct xt_counters counters[XT_MAX_ENTRIES]; |
| struct ipt_get_entries entries; |
| struct ipt_getinfo info; |
| socklen_t optlen; |
| int fd, i; |
| |
| fd = socket(family, SOCK_STREAM, IPPROTO_TCP); |
| if (fd == -1) { |
| switch (errno) { |
| case EAFNOSUPPORT: |
| case ENOPROTOOPT: |
| return; |
| } |
| fail("socket(%d, SOCK_STREAM, IPPROTO_TCP)", family); |
| } |
| for (i = 0; i < num_tables; i++) { |
| struct ipt_table_desc* table = &tables[i]; |
| if (table->info.valid_hooks == 0) |
| continue; |
| memset(&info, 0, sizeof(info)); |
| strcpy(info.name, table->name); |
| optlen = sizeof(info); |
| if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen)) |
| fail("getsockopt(IPT_SO_GET_INFO)"); |
| if (memcmp(&table->info, &info, sizeof(table->info)) == 0) { |
| memset(&entries, 0, sizeof(entries)); |
| strcpy(entries.name, table->name); |
| entries.size = table->info.size; |
| optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size; |
| if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen)) |
| fail("getsockopt(IPT_SO_GET_ENTRIES)"); |
| if (memcmp(table->replace.entrytable, entries.entrytable, |
| table->info.size) == 0) |
| continue; |
| } |
| table->replace.num_counters = info.num_entries; |
| table->replace.counters = counters; |
| optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) + |
| table->replace.size; |
| if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen)) |
| fail("setsockopt(IPT_SO_SET_REPLACE)"); |
| } |
| close(fd); |
| } |
| |
| static void checkpoint_arptables(void) |
| { |
| struct arpt_get_entries entries; |
| socklen_t optlen; |
| unsigned i; |
| int fd; |
| |
| fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| if (fd == -1) |
| fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)"); |
| for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) { |
| struct arpt_table_desc* table = &arpt_tables[i]; |
| strcpy(table->info.name, table->name); |
| strcpy(table->replace.name, table->name); |
| optlen = sizeof(table->info); |
| if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) { |
| switch (errno) { |
| case EPERM: |
| case ENOENT: |
| case ENOPROTOOPT: |
| continue; |
| } |
| fail("getsockopt(ARPT_SO_GET_INFO)"); |
| } |
| if (table->info.size > sizeof(table->replace.entrytable)) |
| fail("table size is too large: %u", table->info.size); |
| if (table->info.num_entries > XT_MAX_ENTRIES) |
| fail("too many counters: %u", table->info.num_entries); |
| memset(&entries, 0, sizeof(entries)); |
| strcpy(entries.name, table->name); |
| entries.size = table->info.size; |
| optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size; |
| if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen)) |
| fail("getsockopt(ARPT_SO_GET_ENTRIES)"); |
| table->replace.valid_hooks = table->info.valid_hooks; |
| table->replace.num_entries = table->info.num_entries; |
| table->replace.size = table->info.size; |
| memcpy(table->replace.hook_entry, table->info.hook_entry, |
| sizeof(table->replace.hook_entry)); |
| memcpy(table->replace.underflow, table->info.underflow, |
| sizeof(table->replace.underflow)); |
| memcpy(table->replace.entrytable, entries.entrytable, table->info.size); |
| } |
| close(fd); |
| } |
| |
| static void reset_arptables() |
| { |
| struct xt_counters counters[XT_MAX_ENTRIES]; |
| struct arpt_get_entries entries; |
| struct arpt_getinfo info; |
| socklen_t optlen; |
| unsigned i; |
| int fd; |
| |
| fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| if (fd == -1) |
| fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)"); |
| for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) { |
| struct arpt_table_desc* table = &arpt_tables[i]; |
| if (table->info.valid_hooks == 0) |
| continue; |
| memset(&info, 0, sizeof(info)); |
| strcpy(info.name, table->name); |
| optlen = sizeof(info); |
| if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen)) |
| fail("getsockopt(ARPT_SO_GET_INFO)"); |
| if (memcmp(&table->info, &info, sizeof(table->info)) == 0) { |
| memset(&entries, 0, sizeof(entries)); |
| strcpy(entries.name, table->name); |
| entries.size = table->info.size; |
| optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size; |
| if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen)) |
| fail("getsockopt(ARPT_SO_GET_ENTRIES)"); |
| if (memcmp(table->replace.entrytable, entries.entrytable, |
| table->info.size) == 0) |
| continue; |
| } |
| table->replace.num_counters = info.num_entries; |
| table->replace.counters = counters; |
| optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) + |
| table->replace.size; |
| if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen)) |
| fail("setsockopt(ARPT_SO_SET_REPLACE)"); |
| } |
| close(fd); |
| } |
| #include <linux/if.h> |
| #include <linux/netfilter_bridge/ebtables.h> |
| |
| struct ebt_table_desc { |
| const char* name; |
| struct ebt_replace replace; |
| char entrytable[XT_TABLE_SIZE]; |
| }; |
| |
| static struct ebt_table_desc ebt_tables[] = { |
| {.name = "filter"}, {.name = "nat"}, {.name = "broute"}, |
| }; |
| |
| static void checkpoint_ebtables(void) |
| { |
| socklen_t optlen; |
| unsigned i; |
| int fd; |
| |
| fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| if (fd == -1) |
| fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)"); |
| for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) { |
| struct ebt_table_desc* table = &ebt_tables[i]; |
| strcpy(table->replace.name, table->name); |
| optlen = sizeof(table->replace); |
| if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace, |
| &optlen)) { |
| switch (errno) { |
| case EPERM: |
| case ENOENT: |
| case ENOPROTOOPT: |
| continue; |
| } |
| fail("getsockopt(EBT_SO_GET_INIT_INFO)"); |
| } |
| if (table->replace.entries_size > sizeof(table->entrytable)) |
| fail("table size is too large: %u", table->replace.entries_size); |
| table->replace.num_counters = 0; |
| table->replace.entries = table->entrytable; |
| optlen = sizeof(table->replace) + table->replace.entries_size; |
| if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace, |
| &optlen)) |
| fail("getsockopt(EBT_SO_GET_INIT_ENTRIES)"); |
| } |
| close(fd); |
| } |
| |
| static void reset_ebtables() |
| { |
| struct ebt_replace replace; |
| char entrytable[XT_TABLE_SIZE]; |
| socklen_t optlen; |
| unsigned i, j, h; |
| int fd; |
| |
| fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| if (fd == -1) |
| fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)"); |
| for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) { |
| struct ebt_table_desc* table = &ebt_tables[i]; |
| if (table->replace.valid_hooks == 0) |
| continue; |
| memset(&replace, 0, sizeof(replace)); |
| strcpy(replace.name, table->name); |
| optlen = sizeof(replace); |
| if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen)) |
| fail("getsockopt(EBT_SO_GET_INFO)"); |
| replace.num_counters = 0; |
| table->replace.entries = 0; |
| for (h = 0; h < NF_BR_NUMHOOKS; h++) |
| table->replace.hook_entry[h] = 0; |
| if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) { |
| memset(&entrytable, 0, sizeof(entrytable)); |
| replace.entries = entrytable; |
| optlen = sizeof(replace) + replace.entries_size; |
| if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen)) |
| fail("getsockopt(EBT_SO_GET_ENTRIES)"); |
| if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0) |
| continue; |
| } |
| for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) { |
| if (table->replace.valid_hooks & (1 << h)) { |
| table->replace.hook_entry[h] = |
| (struct ebt_entries*)table->entrytable + j; |
| j++; |
| } |
| } |
| table->replace.entries = table->entrytable; |
| optlen = sizeof(table->replace) + table->replace.entries_size; |
| if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen)) |
| fail("setsockopt(EBT_SO_SET_ENTRIES)"); |
| } |
| close(fd); |
| } |
| |
| static void checkpoint_net_namespace(void) |
| { |
| checkpoint_ebtables(); |
| checkpoint_arptables(); |
| checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]), |
| AF_INET, SOL_IP); |
| checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]), |
| AF_INET6, SOL_IPV6); |
| } |
| |
| static void reset_net_namespace(void) |
| { |
| reset_ebtables(); |
| reset_arptables(); |
| reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]), |
| AF_INET, SOL_IP); |
| reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]), |
| AF_INET6, SOL_IPV6); |
| } |
| |
| static void execute_one(); |
| extern unsigned long long procid; |
| |
| static void loop() |
| { |
| checkpoint_net_namespace(); |
| int iter; |
| for (iter = 0;; iter++) { |
| int pid = fork(); |
| if (pid < 0) |
| fail("clone failed"); |
| if (pid == 0) { |
| prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); |
| setpgrp(); |
| execute_one(); |
| doexit(0); |
| } |
| |
| int status = 0; |
| uint64_t start = current_time_ms(); |
| for (;;) { |
| int res = waitpid(-1, &status, __WALL | WNOHANG); |
| if (res == pid) { |
| break; |
| } |
| usleep(1000); |
| if (current_time_ms() - start < 3 * 1000) |
| continue; |
| kill(-pid, SIGKILL); |
| kill(pid, SIGKILL); |
| while (waitpid(-1, &status, __WALL) != pid) { |
| } |
| break; |
| } |
| reset_net_namespace(); |
| } |
| } |
| |
| struct thread_t { |
| int created, running, call; |
| pthread_t th; |
| }; |
| |
| 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 (;;) { |
| while (!__atomic_load_n(&th->running, __ATOMIC_ACQUIRE)) |
| syscall(SYS_futex, &th->running, FUTEX_WAIT, 0, 0); |
| execute_call(th->call); |
| __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); |
| __atomic_store_n(&th->running, 0, __ATOMIC_RELEASE); |
| syscall(SYS_futex, &th->running, FUTEX_WAKE); |
| } |
| return 0; |
| } |
| |
| static void execute(int num_calls) |
| { |
| int call, thread; |
| running = 0; |
| for (call = 0; call < num_calls; call++) { |
| for (thread = 0; thread < sizeof(threads) / sizeof(threads[0]); thread++) { |
| struct thread_t* th = &threads[thread]; |
| if (!th->created) { |
| th->created = 1; |
| pthread_attr_t attr; |
| pthread_attr_init(&attr); |
| pthread_attr_setstacksize(&attr, 128 << 10); |
| pthread_create(&th->th, &attr, thr, th); |
| } |
| if (!__atomic_load_n(&th->running, __ATOMIC_ACQUIRE)) { |
| th->call = call; |
| __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); |
| __atomic_store_n(&th->running, 1, __ATOMIC_RELEASE); |
| syscall(SYS_futex, &th->running, FUTEX_WAKE); |
| struct timespec ts; |
| ts.tv_sec = 0; |
| ts.tv_nsec = 20 * 1000 * 1000; |
| syscall(SYS_futex, &th->running, FUTEX_WAIT, 1, &ts); |
| if (running) |
| usleep((call == num_calls - 1) ? 10000 : 1000); |
| break; |
| } |
| } |
| } |
| } |
| |
| #ifndef __NR_execveat |
| #define __NR_execveat 322 |
| #endif |
| #ifndef __NR_memfd_create |
| #define __NR_memfd_create 319 |
| #endif |
| |
| uint64_t r[2] = {0x0, 0xffffffffffffffff}; |
| unsigned long long procid; |
| void execute_call(int call) |
| { |
| long res; |
| switch (call) { |
| case 0: |
| syscall(__NR_clone, 0x200, 0x20fbf000, 0x20744000, 0x20f8b000, 0x20804000); |
| break; |
| case 1: |
| memcpy((void*)0x20f80000, "./file0", 8); |
| syscall(__NR_mknod, 0x20f80000, 0x1040, 0); |
| break; |
| case 2: |
| memcpy((void*)0x20f8aff8, "./file0", 8); |
| syscall(__NR_execve, 0x20f8aff8, 0x20a7bfc8, 0x206fcff0); |
| break; |
| case 3: |
| res = syscall(__NR_gettid); |
| if (res != -1) |
| r[0] = res; |
| break; |
| case 4: |
| memcpy((void*)0x201c5000, "./file0", 8); |
| syscall(__NR_execveat, -1, 0x201c5000, 0x20f51fdc, 0x20448ffc, 0); |
| break; |
| case 5: |
| memcpy((void*)0x20000000, "/dev/vga_arbiter", 17); |
| res = syscall(__NR_memfd_create, 0x20000000, 0); |
| if (res != -1) |
| r[1] = res; |
| break; |
| case 6: |
| *(uint8_t*)0x20000040 = 0x7f; |
| *(uint8_t*)0x20000041 = 0x45; |
| *(uint8_t*)0x20000042 = 0x4c; |
| *(uint8_t*)0x20000043 = 0x46; |
| *(uint8_t*)0x20000044 = 1; |
| *(uint8_t*)0x20000045 = 0; |
| *(uint8_t*)0x20000046 = -1; |
| *(uint8_t*)0x20000047 = 8; |
| *(uint64_t*)0x20000048 = 0; |
| *(uint16_t*)0x20000050 = 3; |
| *(uint16_t*)0x20000052 = 0x3e; |
| *(uint32_t*)0x20000054 = 1; |
| *(uint64_t*)0x20000058 = 0x127; |
| *(uint64_t*)0x20000060 = 0x40; |
| *(uint64_t*)0x20000068 = 0x1f6; |
| *(uint32_t*)0x20000070 = 2; |
| *(uint16_t*)0x20000074 = 7; |
| *(uint16_t*)0x20000076 = 0x38; |
| *(uint16_t*)0x20000078 = 1; |
| *(uint16_t*)0x2000007a = 7; |
| *(uint16_t*)0x2000007c = 0; |
| *(uint16_t*)0x2000007e = 0; |
| *(uint32_t*)0x20000080 = 7; |
| *(uint32_t*)0x20000084 = 3; |
| *(uint64_t*)0x20000088 = 9; |
| *(uint64_t*)0x20000090 = 0xfff; |
| *(uint64_t*)0x20000098 = 0x1a9; |
| *(uint64_t*)0x200000a0 = 4; |
| *(uint64_t*)0x200000a8 = 0xfffffffffffffffc; |
| *(uint64_t*)0x200000b0 = 0; |
| *(uint64_t*)0x200000b8 = 0; |
| *(uint64_t*)0x200000c0 = 0; |
| *(uint64_t*)0x200000c8 = 0; |
| *(uint64_t*)0x200000d0 = 0; |
| *(uint64_t*)0x200000d8 = 0; |
| *(uint64_t*)0x200000e0 = 0; |
| *(uint64_t*)0x200000e8 = 0; |
| *(uint64_t*)0x200000f0 = 0; |
| *(uint64_t*)0x200000f8 = 0; |
| *(uint64_t*)0x20000100 = 0; |
| *(uint64_t*)0x20000108 = 0; |
| *(uint64_t*)0x20000110 = 0; |
| *(uint64_t*)0x20000118 = 0; |
| *(uint64_t*)0x20000120 = 0; |
| *(uint64_t*)0x20000128 = 0; |
| *(uint64_t*)0x20000130 = 0; |
| *(uint64_t*)0x20000138 = 0; |
| *(uint64_t*)0x20000140 = 0; |
| *(uint64_t*)0x20000148 = 0; |
| *(uint64_t*)0x20000150 = 0; |
| *(uint64_t*)0x20000158 = 0; |
| *(uint64_t*)0x20000160 = 0; |
| *(uint64_t*)0x20000168 = 0; |
| *(uint64_t*)0x20000170 = 0; |
| *(uint64_t*)0x20000178 = 0; |
| *(uint64_t*)0x20000180 = 0; |
| *(uint64_t*)0x20000188 = 0; |
| *(uint64_t*)0x20000190 = 0; |
| *(uint64_t*)0x20000198 = 0; |
| *(uint64_t*)0x200001a0 = 0; |
| *(uint64_t*)0x200001a8 = 0; |
| *(uint64_t*)0x200001b0 = 0; |
| *(uint64_t*)0x200001b8 = 0; |
| *(uint64_t*)0x200001c0 = 0; |
| *(uint64_t*)0x200001c8 = 0; |
| *(uint64_t*)0x200001d0 = 0; |
| *(uint64_t*)0x200001d8 = 0; |
| *(uint64_t*)0x200001e0 = 0; |
| *(uint64_t*)0x200001e8 = 0; |
| *(uint64_t*)0x200001f0 = 0; |
| *(uint64_t*)0x200001f8 = 0; |
| *(uint64_t*)0x20000200 = 0; |
| *(uint64_t*)0x20000208 = 0; |
| *(uint64_t*)0x20000210 = 0; |
| *(uint64_t*)0x20000218 = 0; |
| *(uint64_t*)0x20000220 = 0; |
| *(uint64_t*)0x20000228 = 0; |
| *(uint64_t*)0x20000230 = 0; |
| *(uint64_t*)0x20000238 = 0; |
| *(uint64_t*)0x20000240 = 0; |
| *(uint64_t*)0x20000248 = 0; |
| *(uint64_t*)0x20000250 = 0; |
| *(uint64_t*)0x20000258 = 0; |
| *(uint64_t*)0x20000260 = 0; |
| *(uint64_t*)0x20000268 = 0; |
| *(uint64_t*)0x20000270 = 0; |
| *(uint64_t*)0x20000278 = 0; |
| *(uint64_t*)0x20000280 = 0; |
| *(uint64_t*)0x20000288 = 0; |
| *(uint64_t*)0x20000290 = 0; |
| *(uint64_t*)0x20000298 = 0; |
| *(uint64_t*)0x200002a0 = 0; |
| *(uint64_t*)0x200002a8 = 0; |
| *(uint64_t*)0x200002b0 = 0; |
| *(uint64_t*)0x200002b8 = 0; |
| *(uint64_t*)0x200002c0 = 0; |
| *(uint64_t*)0x200002c8 = 0; |
| *(uint64_t*)0x200002d0 = 0; |
| *(uint64_t*)0x200002d8 = 0; |
| *(uint64_t*)0x200002e0 = 0; |
| *(uint64_t*)0x200002e8 = 0; |
| *(uint64_t*)0x200002f0 = 0; |
| *(uint64_t*)0x200002f8 = 0; |
| *(uint64_t*)0x20000300 = 0; |
| *(uint64_t*)0x20000308 = 0; |
| *(uint64_t*)0x20000310 = 0; |
| *(uint64_t*)0x20000318 = 0; |
| *(uint64_t*)0x20000320 = 0; |
| *(uint64_t*)0x20000328 = 0; |
| *(uint64_t*)0x20000330 = 0; |
| *(uint64_t*)0x20000338 = 0; |
| *(uint64_t*)0x20000340 = 0; |
| *(uint64_t*)0x20000348 = 0; |
| *(uint64_t*)0x20000350 = 0; |
| *(uint64_t*)0x20000358 = 0; |
| *(uint64_t*)0x20000360 = 0; |
| *(uint64_t*)0x20000368 = 0; |
| *(uint64_t*)0x20000370 = 0; |
| *(uint64_t*)0x20000378 = 0; |
| *(uint64_t*)0x20000380 = 0; |
| *(uint64_t*)0x20000388 = 0; |
| *(uint64_t*)0x20000390 = 0; |
| *(uint64_t*)0x20000398 = 0; |
| *(uint64_t*)0x200003a0 = 0; |
| *(uint64_t*)0x200003a8 = 0; |
| *(uint64_t*)0x200003b0 = 0; |
| *(uint64_t*)0x200003b8 = 0; |
| *(uint64_t*)0x200003c0 = 0; |
| *(uint64_t*)0x200003c8 = 0; |
| *(uint64_t*)0x200003d0 = 0; |
| *(uint64_t*)0x200003d8 = 0; |
| *(uint64_t*)0x200003e0 = 0; |
| *(uint64_t*)0x200003e8 = 0; |
| *(uint64_t*)0x200003f0 = 0; |
| *(uint64_t*)0x200003f8 = 0; |
| *(uint64_t*)0x20000400 = 0; |
| *(uint64_t*)0x20000408 = 0; |
| *(uint64_t*)0x20000410 = 0; |
| *(uint64_t*)0x20000418 = 0; |
| *(uint64_t*)0x20000420 = 0; |
| *(uint64_t*)0x20000428 = 0; |
| *(uint64_t*)0x20000430 = 0; |
| *(uint64_t*)0x20000438 = 0; |
| *(uint64_t*)0x20000440 = 0; |
| *(uint64_t*)0x20000448 = 0; |
| *(uint64_t*)0x20000450 = 0; |
| *(uint64_t*)0x20000458 = 0; |
| *(uint64_t*)0x20000460 = 0; |
| *(uint64_t*)0x20000468 = 0; |
| *(uint64_t*)0x20000470 = 0; |
| *(uint64_t*)0x20000478 = 0; |
| *(uint64_t*)0x20000480 = 0; |
| *(uint64_t*)0x20000488 = 0; |
| *(uint64_t*)0x20000490 = 0; |
| *(uint64_t*)0x20000498 = 0; |
| *(uint64_t*)0x200004a0 = 0; |
| *(uint64_t*)0x200004a8 = 0; |
| *(uint64_t*)0x200004b0 = 0; |
| *(uint64_t*)0x200004b8 = 0; |
| *(uint64_t*)0x200004c0 = 0; |
| *(uint64_t*)0x200004c8 = 0; |
| *(uint64_t*)0x200004d0 = 0; |
| *(uint64_t*)0x200004d8 = 0; |
| *(uint64_t*)0x200004e0 = 0; |
| *(uint64_t*)0x200004e8 = 0; |
| *(uint64_t*)0x200004f0 = 0; |
| *(uint64_t*)0x200004f8 = 0; |
| *(uint64_t*)0x20000500 = 0; |
| *(uint64_t*)0x20000508 = 0; |
| *(uint64_t*)0x20000510 = 0; |
| *(uint64_t*)0x20000518 = 0; |
| *(uint64_t*)0x20000520 = 0; |
| *(uint64_t*)0x20000528 = 0; |
| *(uint64_t*)0x20000530 = 0; |
| *(uint64_t*)0x20000538 = 0; |
| *(uint64_t*)0x20000540 = 0; |
| *(uint64_t*)0x20000548 = 0; |
| *(uint64_t*)0x20000550 = 0; |
| *(uint64_t*)0x20000558 = 0; |
| *(uint64_t*)0x20000560 = 0; |
| *(uint64_t*)0x20000568 = 0; |
| *(uint64_t*)0x20000570 = 0; |
| *(uint64_t*)0x20000578 = 0; |
| *(uint64_t*)0x20000580 = 0; |
| *(uint64_t*)0x20000588 = 0; |
| *(uint64_t*)0x20000590 = 0; |
| *(uint64_t*)0x20000598 = 0; |
| *(uint64_t*)0x200005a0 = 0; |
| *(uint64_t*)0x200005a8 = 0; |
| *(uint64_t*)0x200005b0 = 0; |
| syscall(__NR_write, r[1], 0x20000040, 0x578); |
| break; |
| case 7: |
| memcpy((void*)0x20ff7000, "./file0", 8); |
| *(uint64_t*)0x2034bff8 = 0x20ff7000; |
| memcpy((void*)0x20ff7000, "\x00\x00\x00\x00\x00\x00\x07\x06\x08\x04\x00\x20" |
| "\x00\xff\xfc\x0c\x65\x65\x64\x3b\x79\x93\x65\x19" |
| "\x5f\x1b\x76", |
| 27); |
| syscall(__NR_execveat, r[1], 0x20ff7000, 0x20000240, 0x2034bff8, 0x1000); |
| break; |
| case 8: |
| syscall(__NR_tkill, r[0], 0x16); |
| break; |
| } |
| } |
| |
| void execute_one() |
| { |
| execute(9); |
| } |
| |
| int main() |
| { |
| syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); |
| for (procid = 0; procid < 8; procid++) { |
| if (fork() == 0) { |
| for (;;) { |
| loop(); |
| } |
| } |
| } |
| sleep(1000000); |
| return 0; |
| } |
