// https://syzkaller.appspot.com/bug?id=6a37b51599e2722c38d28c5407ee31bfba6e3677 // 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 #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; } 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; } struct nlmsg { char* pos; int nesting; struct nlattr* nested[8]; char buf[4096]; }; static void netlink_init(struct nlmsg* nlmsg, int typ, int flags, const void* data, int size) { memset(nlmsg, 0, sizeof(*nlmsg)); struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf; hdr->nlmsg_type = typ; hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags; memcpy(hdr + 1, data, size); nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size); } static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data, int size) { struct nlattr* attr = (struct nlattr*)nlmsg->pos; attr->nla_len = sizeof(*attr) + size; attr->nla_type = typ; if (size > 0) memcpy(attr + 1, data, size); nlmsg->pos += NLMSG_ALIGN(attr->nla_len); } static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type, int* reply_len, bool dofail) { if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting) exit(1); struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf; hdr->nlmsg_len = nlmsg->pos - nlmsg->buf; struct sockaddr_nl addr; memset(&addr, 0, sizeof(addr)); addr.nl_family = AF_NETLINK; ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0, (struct sockaddr*)&addr, sizeof(addr)); if (n != (ssize_t)hdr->nlmsg_len) { if (dofail) exit(1); return -1; } n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); if (reply_len) *reply_len = 0; if (n < 0) { if (dofail) exit(1); return -1; } if (n < (ssize_t)sizeof(struct nlmsghdr)) { errno = EINVAL; if (dofail) exit(1); return -1; } if (hdr->nlmsg_type == NLMSG_DONE) return 0; if (reply_len && hdr->nlmsg_type == reply_type) { *reply_len = n; return 0; } if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) { errno = EINVAL; if (dofail) exit(1); return -1; } if (hdr->nlmsg_type != NLMSG_ERROR) { errno = EINVAL; if (dofail) exit(1); return -1; } errno = -((struct nlmsgerr*)(hdr + 1))->error; return -errno; } static int netlink_query_family_id(struct nlmsg* nlmsg, int sock, const char* family_name, bool dofail) { struct genlmsghdr genlhdr; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = CTRL_CMD_GETFAMILY; netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name, strnlen(family_name, GENL_NAMSIZ - 1) + 1); int n = 0; int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail); if (err < 0) { return -1; } uint16_t id = 0; struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN + NLMSG_ALIGN(sizeof(genlhdr))); for (; (char*)attr < nlmsg->buf + n; attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) { if (attr->nla_type == CTRL_ATTR_FAMILY_ID) { id = *(uint16_t*)(attr + 1); break; } } if (!id) { errno = EINVAL; return -1; } recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); return id; } static long syz_genetlink_get_family_id(volatile long name, volatile long sock_arg) { bool dofail = false; int fd = sock_arg; if (fd < 0) { dofail = true; fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (fd == -1) { return -1; } } struct nlmsg nlmsg_tmp; int ret = netlink_query_family_id(&nlmsg_tmp, fd, (char*)name, dofail); if ((int)sock_arg < 0) close(fd); if (ret < 0) { return -1; } return ret; } 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"); } 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) { int i, call, thread; int collide = 0; again: 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); if (collide && (call % 2) == 0) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); if (!collide) { collide = 1; goto again; } } 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(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; sleep_ms(1); if (current_time_ms() - start < 5000) { continue; } kill_and_wait(pid, &status); break; } } } uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: res = syscall(__NR_socket, 2ul, 0xaul, 0x10); if (res != -1) r[0] = res; break; case 1: res = syscall(__NR_socket, 0x10ul, 3ul, 0x10); if (res != -1) r[1] = res; break; case 2: memcpy((void*)0x20000200, "nl80211\000", 8); res = -1; res = syz_genetlink_get_family_id(0x20000200, -1); if (res != -1) r[2] = res; break; case 3: memcpy((void*)0x20000700, "wlan0\000\000\000\000\000\000\000\000\000\000\000", 16); res = syscall(__NR_ioctl, r[1], 0x8933, 0x20000700ul); if (res != -1) r[3] = *(uint32_t*)0x20000710; break; case 4: *(uint64_t*)0x20000340 = 0; *(uint32_t*)0x20000348 = 0; *(uint64_t*)0x20000350 = 0x20000300; *(uint64_t*)0x20000300 = 0x20000480; *(uint32_t*)0x20000480 = 0x50; *(uint16_t*)0x20000484 = r[2]; *(uint16_t*)0x20000486 = 5; *(uint32_t*)0x20000488 = 0; *(uint32_t*)0x2000048c = 0; *(uint8_t*)0x20000490 = 6; *(uint8_t*)0x20000491 = 0; *(uint16_t*)0x20000492 = 0; *(uint16_t*)0x20000494 = 8; *(uint16_t*)0x20000496 = 3; *(uint32_t*)0x20000498 = r[3]; *(uint16_t*)0x2000049c = 8; STORE_BY_BITMASK(uint16_t, , 0x2000049e, 0x17, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000049f, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000049f, 1, 7, 1); *(uint16_t*)0x200004a0 = 4; *(uint16_t*)0x200004a2 = 2; *(uint16_t*)0x200004a4 = 0x24; STORE_BY_BITMASK(uint16_t, , 0x200004a6, 0x17, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200004a7, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200004a7, 1, 7, 1); *(uint16_t*)0x200004a8 = 4; *(uint16_t*)0x200004aa = 6; *(uint16_t*)0x200004ac = 4; *(uint16_t*)0x200004ae = 1; *(uint16_t*)0x200004b0 = 4; *(uint16_t*)0x200004b2 = 4; *(uint16_t*)0x200004b4 = 4; *(uint16_t*)0x200004b6 = 6; *(uint16_t*)0x200004b8 = 4; *(uint16_t*)0x200004ba = 2; *(uint16_t*)0x200004bc = 4; *(uint16_t*)0x200004be = 4; *(uint16_t*)0x200004c0 = 4; *(uint16_t*)0x200004c2 = 4; *(uint16_t*)0x200004c4 = 4; *(uint16_t*)0x200004c6 = 5; *(uint16_t*)0x200004c8 = 8; *(uint16_t*)0x200004ca = 5; *(uint32_t*)0x200004cc = 6; *(uint64_t*)0x20000308 = 0x50; *(uint64_t*)0x20000358 = 1; *(uint64_t*)0x20000360 = 0; *(uint64_t*)0x20000368 = 0; *(uint32_t*)0x20000370 = 0; syscall(__NR_sendmsg, r[1], 0x20000340ul, 0x40040ul); break; case 5: memcpy((void*)0x20001000, "wlan0\000\000\000\000\000\000\000\000\000\000\000", 16); syscall(__NR_ioctl, r[0], 0x8914, 0x20001000ul); break; case 6: *(uint64_t*)0x20001280 = 0; *(uint32_t*)0x20001288 = 0; *(uint64_t*)0x20001290 = 0x20001240; *(uint64_t*)0x20001240 = 0x20000080; memcpy((void*)0x20000080, "\xb0\x0f\x00\x00", 4); *(uint16_t*)0x20000084 = 0; memcpy((void*)0x20000086, "\x00\x00\x00\x96\x52\x00\x03\x00", 8); *(uint32_t*)0x2000008e = 0; memcpy( (void*)0x20000092, "\x06\x00\x66\x00\x00\x00\x00\x00\x04\x00\x67\x00\x6a\x0f\x33\x00\x70" "\xb5\xa3\x6f\x21\x6e\x34\xd2\x33\x8f\x4e\xd9\xa7\x77\x4e\xac\x4e\x6f" "\xfc\xd3\xf6\xaa\xa3\xc3\x4f\xf3\x38\x9d\x2c\x41\x46\xf0\x78\xa5\xdc" "\xd1\xad\x60\x61\x13\x94\x19\xb2\xc3\xf8\xa1\x6f\x7e\x68\x20\xf5\x1f" "\x61\xb2\x5f\xe2\xf0\x33\x44\xe6\xac\x3c\x42\x2b\xb3\xe6\xc6\xb7\xb2" "\x36\xf2\x21\xca\xcf\xfa\xd5\x43\xa4\x91\x18\xc9\x4a\x01\x2a\xda\x60" "\xb6\x10\x27\x8b\xd3\x48\xb2\xc0\x12\x4f\x59\x80\xde\xc1\x6b\xd7\x0c" "\xff\xf5\xbe\xc9\x9c\x20\xb0\x7d\x91\xd3\xca\x14\xfe\x18\x79\x54\x20" "\x5d\xe7\xdb\x7f\xdc\x9f\x80\x6a\x20\x0f\x99\xaa\xf3\x0e\x36\xd3\x4c" "\x89\x86\x9c\xf1\xe9\x5f\x55\xb3\x83\x23\x5b\x5c\x07\xcf\xc7\xde\xc8" "\xea\xad\x71\x93\x46\xd1\xed\xd5\x61\xa8\x66\x1d\x57\xe6\x21\xf4\xd2" "\x56\x87\xfa\x5b\x24\x5a\xd1\xb8\x9b\x58\x73\x65\x35\x63\x54\x43\x48" "\x09\xd6\x40\x20\xa9\x49\x0f\xca\xed\x02\x76\x89\x0b\x55\xe7\x16\x0a" "\x60\x70\xab\xc8\xac\x01\xd1\x5b\x12\x0f\x0b\xd5\xf4\xff\x05\xc6\x3d" "\xcf\xc8\xba\x95\xd3\x6e\xd0\x8c\x5f\x29\x93\x7b\x29\x3b\x0d\x24\xce" "\x7c\xde\x1b\xeb\x2d\x65\x60\x36\x5b\x59\x0b\x29\x0a\x62\x81\x8b\x5a" "\x3b\x8d\x87\x45\x57\x81\x60\x71\x10\x45\x14\x7b\x2f\x54\xba\x95\xba" "\x71\x22\xf7\x65\xc5\xa5\xea\xa1\x53\x1c\xef\x8f\x67\x69\x9b\x47\x60" "\x65\xfd\x16\x75\xec\xe8\x67\x6e\xac\xa8\xc4\x53\x72\x59\x04\x3c\xa7" "\x9d\x8a\xb4\x77\xaf\xca\xe2\x65\x17\xd1\x4a\x99\xa4\x90\x8f\x67\x79" "\x45\x9d\x53\xf6\x71\x35\x91\xd8\x36\x15\x73\x1d\x46\x3c\xaa\xf7\x74" "\xa9\xd6\x6f\xb7\x83\x45\xc3\xd3\x0e\xe4\x29\xbb\xa1\xd4\xf6\xb6\x85" "\xcb\x98\x45\xef\x52\xc8\x6e\xb0\x89\x87\x17\x75\x60\x38\xa3\x2f\xab" "\x83\x50\xe6\xbf\xa5\xf6\x2d\x8f\xea\xd8\xe7\xc8\xf2\xf3\x06\xbd\x73" "\xcc\xda\x6b\xe2\x9f\xff\x8a\xe8\xee\x0c\x77\x9a\x35\x8e\x2c\xb4\x94" "\xef\xcd\x64\x59\xa6\x02\x36\x1e\x14\xca\x56\xf5\x51\x26\x8e\xd2\xbd" 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"\x29\xfc\xab\xe1\x7b\x51\xb4\x63\xac\x74\xd0\xbc\x31\x2a\x46\x75\x95" "\x03\x3f\x9c\xec\x6a\x76\xba\xc8\xe0\x7d\xf7\x62\xd6\x06\x1c\x7b\x0e" "\x41\xc8\x3f\x8b\xec\x32\x5a\xf1\xa8\x05\xde\x83\xc8\x45\xe5\x50\xb8" "\x2c\x4e\xdb\xf3\xbd\xec\x44\x28\xe6\xca\x12\x25\xdc\xff\xcc\x5a\xf7" "\xb3\xf1\x9b\xe8\x85\xa6\x2b\x6c\xf2\x3c\x48\x06\x17\x9b\xd0\xae\x8d" "\x27\xe3\x97\x1b\x41\xa6\xb7\xd4\xf8\x5c\xe0\xb7\x8c\xc5\xf9\x83\x08" "\x60\x4c\x2f\x9b\xe2\x4a\x57\x3f\x71\x49\x6f\xd8\xd1\xb9\xd2\x2b\x6f" "\xb8\x46\x12\xaf\xee\x23\x32\x3e\x49\x97\x30\xb0\x81\x31\x92\x7d\x7a" "\x91\x97\x71\xe9\x10\x0a\x42\x43\x1a\x22\xe0\xb2\xc0\x6d\x69\x9e\x40" "\xa3\xec\x97\xec\x66\x65\xd2\xa5\xa3\x54\xd2\x4f\x66\xf3\xae\xdb\xfc" "\xbd\x61\xd0\xa9\xb9\xa3\x78\xa5\xbf\xd2\xc6\xee\x1d\x9d\xfb\x89\xc9" "\xe6\x3e\x7c\xe1\xd2\x3e\x8c\xd9\xa8\x9c\x9c\xe5\xe0\x9a\x7b\x10\x88" "\x51\xcf\x75\x6d\x55\x30\xad\xb4\x4e\x5a\xda\x79\x5d\xd6\x86\x18\x57" "\x7a\xbb\x03\x65\x89\x50\x33\xb8\x8f\x70\xda\x31\x51\x1a\x58\xf5\x36" "\xec\xf1\x28\x9f\x85\x86\x5e\xcf\xff\x3b\xc0\x10\x27\xfd\x2c\x9a\xb1" "\x6c\xd6\xe0\x19\x82\xee\xc0\xf8\xc9\x5d\x43\x39\x70\x10\x98\xb3\x27" "\x33\x54\x7e\x79\x07\xbc\x3a\xb4\x7b\x48\xd5\x76\x85\x13\x65\x53\x0a" "\xab\x58\x11\xd8\xd8\x65\xb3\x20\xe9\x1c\xc8\x0e\xb0\xa6\x18\xb5\x19" "\x00\x4f\x99\x43\x34\xf2\x56\x33\x7b\x56\x0e\x7f\x8a\x6c\xc7\xeb\x81" "\xb7\xa3\x5b\x54\x1e\xc5\xd2\xe8\xb7\xf8\x9e\x92\xc0\xc0\xca\x58\x01" "\xb8\x2b\x38\xf2\x9c\x15\xe7\x55\xdc\x18\x33\x8c\x4f\xd9\x2d\x0a\xd6" "\x75\x21\x3e\xc6\x2f\x47\x1d\x83\x11\x48\x90\x67\xdc\xac\x98\xa2\xa2" "\x7f\x54\x4a\xc4\xbb\x06\x09\x55\x2a\x72\x75\x5d\x38\x44\xad\xd5\xfb" "\x1e\xff\x57\xad\xb0\xc8\xf8\xd3\x91\x50\xf7\x88\xf6\x59\xc0\x0e\x9d" "\x4b\xe2\x3c\xea\xbb\x45\x40\x9d\xef\xa5\xc8\xac\x05\x96\x0f\xf8\x0a" "\xa3\x64\xd8\xc5\x26\xeb\xa5\x59\x03\x36\xa5\x4d\xb8\xdf\x42\xed\xa7" "\x0e\xd9\x17\x21\x04\x51\x3a\x70\x52\x80\x66\x37\x42\xbd\x96\x61\x3f" "\x39\x9c\xf6\x7b\x7a\xd4\x8c\x79\x0f\xfd\x9f\x7c\xb7\xe0\xcd\xb3\xa6" "\x20\x35\xd9\xb3\x76\x11\x5f\x60\x0c\xe0\x4f\x25\xb0\x86\xa1\xa2\x36" "\x23\x17\x80\xf5\x9e\x02\x03\x8c\x7d\x78\xd0\xae\x43\xfc\x39\x0f\x32" "\x3b\xda\x68\xad\xbf\xe4\xee\x61\x67\xfa\x93\xe9\x09\x85\xa6\x21\xe7" "\x8a\xa5\x0f\xba\x64\xac\x08\x4a\x02\x94\xd2\x5c\xe2\x0b\x09\xfd\x49" "\x2e\x03\x4c\x09\x6f\xde\x4b\xbf\x46\x65\x51\x2b\xb7\x3a\x84\x1a\x38" "\xa7\x73\x75\x1b\x4b\x53\x53\x2e\x12\x51\xac\xbf\xb1\x50\xf9\x68\x9b" "\xd5\x39\x3a\x8c\x30\xef\x5b\xae\xff\xae\xc1\x60\x39\x6e\xee\xa4\xfd" "\xbe\xe6\x44\x50\xfb\x93\x67\x9d\x52\xb2\xcc\xda\xbc\xbd\x6b\xac\xd3" "\x52\x6d\x8f\xe5\x66\x6d\xd1\x19\x80\x22\x8e\xc9\x90\x8f\x76\x1a\x74" "\x4c\x30\xea\x1f\x44\x26\xa9\xf3\x89\x2e\xc3\x9e\xa8\xa5\xec\x24\x8f" "\xd4\xda\x46\xf2\xc9\x9a\x8a\xd2\x9b\x10\xc2\x2d\x8a\x86\x1f\xa1\x92" "\xe7\x63\x27\x3e\x78\xc2\xee\xd4\xd2\x5d\xaa\xef\x3c\xe7\xf4\xa9\x93" "\x44\x76\x4e\x2e\x27\x04\x4c\x57\x39\xbf\x53\x56\xd4\xe9\x2e\x2a\x3a" "\xb1\x5a\x39\xd0\x22\x07\xa2\x32\x1f\xfd\xba\xae\xae\x04\x0f\xde\xd0" "\xf1\x65\x19\x89\x6a\x73\x29\x0b\x29\x25\xac\xd5\xef\x89\xd0\x46\x50" "\x62\x6b\xdb\x3f\x12\xaa\x85\x0e\xaa\xa1\x7b\x1a\x0d\x4e\x52\xb6\xc3" "\xb1\x62\x79\xf3\xd5\x57\xc3\x1f\xce\x76\x7f\x90\xc8\x9c\x1d\x8d\x09" "\x9b\xf5\xbc\x23\x4a\x71\x51\x69\x7f\x2b\x54\xcd\x6c\xa5\xcd\xe2\xc8" "\xd5\xb3\x80\x28\x7f\x86\xd3\x0b\xfe\x63\x83\x5c\xd0\x47\x02\x87\xf4" "\x25\x16\x7e\xb8\x56\x01\x91\xe9\xe5\x7d\xa5\x5a\xae\xb1\x80\x76\x53" "\x79\xdc\xb8\x9b\x64\x4a\x58\xa9\x95\xcc\x7d\xa9\xa5\x72\x3d\xea\xa4" "\x88\xda\x2c\x04\x8b\x25\x84\xa4\x49\x6b\x46\xe2\xac\xa3\x79\x99\xee" "\x22\x33\x09\x39\xc8\xf1\x00\x83\xab\x2b\x49\x73\xcc\x10\x4e\x07\x27" "\xeb\x7e\xde\x0d\xad\x3f\xcc\xd7\xae\xeb\x66\xf4\x0d\x10\x3b\xe5\xb3" "\x8f\x8c\x21\x0a\x2d\x3b\xe3\x56\x2d\xe5\x75\x98\x74\xe9\xa1\x4e\xf2" "\xda\x00\x50\xd3\x3b\x0d\x35\x5a\x9a\xa1\xe3\xdc\x9f\xf8\x3e\x2f\x59" "\x81\x2a\x0e\xc1\x49\xd8\x19\x14\x3f\x63\xfb\x44\xe5\x2d\xe2\x73\xbf" "\x57\xba\x4b\xde\x36\x17\x55\xae\x94\x9c\xb5\xac\xa8\x67\x20\xe6\x45" "\xa9\x2c\xcb\x2b\x47\x5a\x90\x9b\x31\x66\xc9\x29\xcb\xf6\x27\xf5\x5a" "\x81\xce\xdd\x4a\x19\xb2\x6e\x7f\xdf\xb7\xa0\x5c\x2d\x03\x4f\xd4\x99" "\xd7\xfb\xbb\x44\xfc\xdf\xd1\x62\x50\xd7\xfa\xa8\xf4\xee\xe0\x7e\xf6" "\x18\x5a\x3e\x6c\x90\x0a\x33\x7b\x68\x6a\xb0\x18\x65\xef\x8b\x3c\x72" "\x09\xf1\xff\x68\x98\x9d\x04\xc9\xb6\xdd\x6f\x8a\x33\x2d\x74\xe2\xb4" "\xf4\x41\x4f\xc0\x5a\xf0\xbf\x09\x49\xc2\x19\xfb\xdc\x45\xbd\xee\xe7" "\x1a\x0f\x24\xd2\xa9\xe6\xbd\x15\xc9\x94\xc4\xc3\x96\x6d\x3e\x7e\x01" "\xc9\xb2\x8f\x8d\xb5\xf6\x7e\x49\xc9\xb3\x30\x4b\x7a\xe3\x8a\x33\xed" "\x64\xd8\x3c\xc5\x7b\xb3\x70\x08\x2f\x36\x6e\xb3\xcd\xbd\xf2\x33\x88" "\xa6\x8b\x67\xa9\x7d\x5c\xd4\xc8\xa1\x82\x7a\x78\x1e\x87\x0b\x26\x59" "\xd2\x10\x94\x71\x34\x5c\xdb\x09\x08\x52\x4d\x30\xfd\x71\x00\x00\x0a" "\x00\x06\x00\x08\x02\x11", 3967); *(uint64_t*)0x20001248 = 0xfb0; *(uint64_t*)0x20001298 = 1; *(uint64_t*)0x200012a0 = 0; *(uint64_t*)0x200012a8 = 0; *(uint32_t*)0x200012b0 = 0; syscall(__NR_sendmsg, -1, 0x20001280ul, 0ul); break; } } int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); loop(); return 0; }