// https://syzkaller.appspot.com/bug?id=762e7debe9358b9fb086b72671bc0b97bc686a88 // 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 #include #include #include #include #include #include #include #include #include #include #include #include #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif static unsigned long long procid; static __thread int clone_ongoing; static __thread int skip_segv; static __thread jmp_buf segv_env; static void segv_handler(int sig, siginfo_t* info, void* ctx) { if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) { exit(sig); } uintptr_t addr = (uintptr_t)info->si_addr; const uintptr_t prog_start = 1 << 20; const uintptr_t prog_end = 100 << 20; int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0; int valid = addr < prog_start || addr > prog_end; if (skip && valid) { _longjmp(segv_env, 1); } exit(sig); } static void install_segv_handler(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_handler = SIG_IGN; syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8); syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8); memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = segv_handler; sa.sa_flags = SA_NODEFER | SA_SIGINFO; sigaction(SIGSEGV, &sa, NULL); sigaction(SIGBUS, &sa, NULL); } #define NONFAILING(...) \ ({ \ int ok = 1; \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } else \ ok = 0; \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ ok; \ }) 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 void netlink_nest(struct nlmsg* nlmsg, int typ) { struct nlattr* attr = (struct nlattr*)nlmsg->pos; attr->nla_type = typ; nlmsg->pos += sizeof(*attr); nlmsg->nested[nlmsg->nesting++] = attr; } static void netlink_done(struct nlmsg* nlmsg) { struct nlattr* attr = nlmsg->nested[--nlmsg->nesting]; attr->nla_len = nlmsg->pos - (char*)attr; } 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_send(struct nlmsg* nlmsg, int sock) { return netlink_send_ext(nlmsg, sock, 0, NULL, true); } 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 int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset, unsigned int total_len) { struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset); if (offset == total_len || offset + hdr->nlmsg_len > total_len) return -1; return hdr->nlmsg_len; } static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type, const char* name, bool up) { struct ifinfomsg hdr; memset(&hdr, 0, sizeof(hdr)); if (up) hdr.ifi_flags = hdr.ifi_change = IFF_UP; netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr)); if (name) netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name)); netlink_nest(nlmsg, IFLA_LINKINFO); netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type)); } static void netlink_add_device(struct nlmsg* nlmsg, int sock, const char* type, const char* name) { netlink_add_device_impl(nlmsg, type, name, false); netlink_done(nlmsg); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_veth(struct nlmsg* nlmsg, int sock, const char* name, const char* peer) { netlink_add_device_impl(nlmsg, "veth", name, false); netlink_nest(nlmsg, IFLA_INFO_DATA); netlink_nest(nlmsg, VETH_INFO_PEER); nlmsg->pos += sizeof(struct ifinfomsg); netlink_attr(nlmsg, IFLA_IFNAME, peer, strlen(peer)); netlink_done(nlmsg); netlink_done(nlmsg); netlink_done(nlmsg); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_xfrm(struct nlmsg* nlmsg, int sock, const char* name) { netlink_add_device_impl(nlmsg, "xfrm", name, true); netlink_nest(nlmsg, IFLA_INFO_DATA); int if_id = 1; netlink_attr(nlmsg, 2, &if_id, sizeof(if_id)); netlink_done(nlmsg); netlink_done(nlmsg); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_hsr(struct nlmsg* nlmsg, int sock, const char* name, const char* slave1, const char* slave2) { netlink_add_device_impl(nlmsg, "hsr", name, false); netlink_nest(nlmsg, IFLA_INFO_DATA); int ifindex1 = if_nametoindex(slave1); netlink_attr(nlmsg, IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1)); int ifindex2 = if_nametoindex(slave2); netlink_attr(nlmsg, IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2)); netlink_done(nlmsg); netlink_done(nlmsg); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_linked(struct nlmsg* nlmsg, int sock, const char* type, const char* name, const char* link) { netlink_add_device_impl(nlmsg, type, name, false); netlink_done(nlmsg); int ifindex = if_nametoindex(link); netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex)); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_vlan(struct nlmsg* nlmsg, int sock, const char* name, const char* link, uint16_t id, uint16_t proto) { netlink_add_device_impl(nlmsg, "vlan", name, false); netlink_nest(nlmsg, IFLA_INFO_DATA); netlink_attr(nlmsg, IFLA_VLAN_ID, &id, sizeof(id)); netlink_attr(nlmsg, IFLA_VLAN_PROTOCOL, &proto, sizeof(proto)); netlink_done(nlmsg); netlink_done(nlmsg); int ifindex = if_nametoindex(link); netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex)); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_macvlan(struct nlmsg* nlmsg, int sock, const char* name, const char* link) { netlink_add_device_impl(nlmsg, "macvlan", name, false); netlink_nest(nlmsg, IFLA_INFO_DATA); uint32_t mode = MACVLAN_MODE_BRIDGE; netlink_attr(nlmsg, IFLA_MACVLAN_MODE, &mode, sizeof(mode)); netlink_done(nlmsg); netlink_done(nlmsg); int ifindex = if_nametoindex(link); netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex)); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_add_geneve(struct nlmsg* nlmsg, int sock, const char* name, uint32_t vni, struct in_addr* addr4, struct in6_addr* addr6) { netlink_add_device_impl(nlmsg, "geneve", name, false); netlink_nest(nlmsg, IFLA_INFO_DATA); netlink_attr(nlmsg, IFLA_GENEVE_ID, &vni, sizeof(vni)); if (addr4) netlink_attr(nlmsg, IFLA_GENEVE_REMOTE, addr4, sizeof(*addr4)); if (addr6) netlink_attr(nlmsg, IFLA_GENEVE_REMOTE6, addr6, sizeof(*addr6)); netlink_done(nlmsg); netlink_done(nlmsg); int err = netlink_send(nlmsg, sock); if (err < 0) { } } #define IFLA_IPVLAN_FLAGS 2 #define IPVLAN_MODE_L3S 2 #undef IPVLAN_F_VEPA #define IPVLAN_F_VEPA 2 static void netlink_add_ipvlan(struct nlmsg* nlmsg, int sock, const char* name, const char* link, uint16_t mode, uint16_t flags) { netlink_add_device_impl(nlmsg, "ipvlan", name, false); netlink_nest(nlmsg, IFLA_INFO_DATA); netlink_attr(nlmsg, IFLA_IPVLAN_MODE, &mode, sizeof(mode)); netlink_attr(nlmsg, IFLA_IPVLAN_FLAGS, &flags, sizeof(flags)); netlink_done(nlmsg); netlink_done(nlmsg); int ifindex = if_nametoindex(link); netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex)); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static void netlink_device_change(struct nlmsg* nlmsg, int sock, const char* name, bool up, const char* master, const void* mac, int macsize, const char* new_name) { struct ifinfomsg hdr; memset(&hdr, 0, sizeof(hdr)); if (up) hdr.ifi_flags = hdr.ifi_change = IFF_UP; hdr.ifi_index = if_nametoindex(name); netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr)); if (new_name) netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name)); if (master) { int ifindex = if_nametoindex(master); netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex)); } if (macsize) netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev, const void* addr, int addrsize) { struct ifaddrmsg hdr; memset(&hdr, 0, sizeof(hdr)); hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6; hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120; hdr.ifa_scope = RT_SCOPE_UNIVERSE; hdr.ifa_index = if_nametoindex(dev); netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr, sizeof(hdr)); netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize); netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize); return netlink_send(nlmsg, sock); } static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev, const char* addr) { struct in_addr in_addr; inet_pton(AF_INET, addr, &in_addr); int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr)); if (err < 0) { } } static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev, const char* addr) { struct in6_addr in6_addr; inet_pton(AF_INET6, addr, &in6_addr); int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr)); if (err < 0) { } } static struct nlmsg nlmsg; #define DEVLINK_FAMILY_NAME "devlink" #define DEVLINK_CMD_PORT_GET 5 #define DEVLINK_ATTR_BUS_NAME 1 #define DEVLINK_ATTR_DEV_NAME 2 #define DEVLINK_ATTR_NETDEV_NAME 7 static struct nlmsg nlmsg2; static void initialize_devlink_ports(const char* bus_name, const char* dev_name, const char* netdev_prefix) { struct genlmsghdr genlhdr; int len, total_len, id, err, offset; uint16_t netdev_index; int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock == -1) exit(1); int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (rtsock == -1) exit(1); id = netlink_query_family_id(&nlmsg, sock, DEVLINK_FAMILY_NAME, true); if (id == -1) goto error; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = DEVLINK_CMD_PORT_GET; netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1); netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1); err = netlink_send_ext(&nlmsg, sock, id, &total_len, true); if (err < 0) { goto error; } offset = 0; netdev_index = 0; while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) { struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN + NLMSG_ALIGN(sizeof(genlhdr))); for (; (char*)attr < nlmsg.buf + offset + len; attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) { if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) { char* port_name; char netdev_name[IFNAMSIZ]; port_name = (char*)(attr + 1); snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix, netdev_index); netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0, netdev_name); break; } } offset += len; netdev_index++; } error: close(rtsock); close(sock); } #define DEV_IPV4 "172.20.20.%d" #define DEV_IPV6 "fe80::%02x" #define DEV_MAC 0x00aaaaaaaaaa static void netdevsim_add(unsigned int addr, unsigned int port_count) { write_file("/sys/bus/netdevsim/del_device", "%u", addr); if (write_file("/sys/bus/netdevsim/new_device", "%u %u", addr, port_count)) { char buf[32]; snprintf(buf, sizeof(buf), "netdevsim%d", addr); initialize_devlink_ports("netdevsim", buf, "netdevsim"); } } #define WG_GENL_NAME "wireguard" enum wg_cmd { WG_CMD_GET_DEVICE, WG_CMD_SET_DEVICE, }; enum wgdevice_attribute { WGDEVICE_A_UNSPEC, WGDEVICE_A_IFINDEX, WGDEVICE_A_IFNAME, WGDEVICE_A_PRIVATE_KEY, WGDEVICE_A_PUBLIC_KEY, WGDEVICE_A_FLAGS, WGDEVICE_A_LISTEN_PORT, WGDEVICE_A_FWMARK, WGDEVICE_A_PEERS, }; enum wgpeer_attribute { WGPEER_A_UNSPEC, WGPEER_A_PUBLIC_KEY, WGPEER_A_PRESHARED_KEY, WGPEER_A_FLAGS, WGPEER_A_ENDPOINT, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, WGPEER_A_LAST_HANDSHAKE_TIME, WGPEER_A_RX_BYTES, WGPEER_A_TX_BYTES, WGPEER_A_ALLOWEDIPS, WGPEER_A_PROTOCOL_VERSION, }; enum wgallowedip_attribute { WGALLOWEDIP_A_UNSPEC, WGALLOWEDIP_A_FAMILY, WGALLOWEDIP_A_IPADDR, WGALLOWEDIP_A_CIDR_MASK, }; static void netlink_wireguard_setup(void) { const char ifname_a[] = "wg0"; const char ifname_b[] = "wg1"; const char ifname_c[] = "wg2"; const char private_a[] = "\xa0\x5c\xa8\x4f\x6c\x9c\x8e\x38\x53\xe2\xfd\x7a\x70\xae\x0f\xb2\x0f\xa1" "\x52\x60\x0c\xb0\x08\x45\x17\x4f\x08\x07\x6f\x8d\x78\x43"; const char private_b[] = "\xb0\x80\x73\xe8\xd4\x4e\x91\xe3\xda\x92\x2c\x22\x43\x82\x44\xbb\x88\x5c" "\x69\xe2\x69\xc8\xe9\xd8\x35\xb1\x14\x29\x3a\x4d\xdc\x6e"; const char private_c[] = "\xa0\xcb\x87\x9a\x47\xf5\xbc\x64\x4c\x0e\x69\x3f\xa6\xd0\x31\xc7\x4a\x15" "\x53\xb6\xe9\x01\xb9\xff\x2f\x51\x8c\x78\x04\x2f\xb5\x42"; const char public_a[] = "\x97\x5c\x9d\x81\xc9\x83\xc8\x20\x9e\xe7\x81\x25\x4b\x89\x9f\x8e\xd9\x25" "\xae\x9f\x09\x23\xc2\x3c\x62\xf5\x3c\x57\xcd\xbf\x69\x1c"; const char public_b[] = "\xd1\x73\x28\x99\xf6\x11\xcd\x89\x94\x03\x4d\x7f\x41\x3d\xc9\x57\x63\x0e" "\x54\x93\xc2\x85\xac\xa4\x00\x65\xcb\x63\x11\xbe\x69\x6b"; const char public_c[] = "\xf4\x4d\xa3\x67\xa8\x8e\xe6\x56\x4f\x02\x02\x11\x45\x67\x27\x08\x2f\x5c" "\xeb\xee\x8b\x1b\xf5\xeb\x73\x37\x34\x1b\x45\x9b\x39\x22"; const uint16_t listen_a = 20001; const uint16_t listen_b = 20002; const uint16_t listen_c = 20003; const uint16_t af_inet = AF_INET; const uint16_t af_inet6 = AF_INET6; const struct sockaddr_in endpoint_b_v4 = { .sin_family = AF_INET, .sin_port = htons(listen_b), .sin_addr = {htonl(INADDR_LOOPBACK)}}; const struct sockaddr_in endpoint_c_v4 = { .sin_family = AF_INET, .sin_port = htons(listen_c), .sin_addr = {htonl(INADDR_LOOPBACK)}}; struct sockaddr_in6 endpoint_a_v6 = {.sin6_family = AF_INET6, .sin6_port = htons(listen_a)}; endpoint_a_v6.sin6_addr = in6addr_loopback; struct sockaddr_in6 endpoint_c_v6 = {.sin6_family = AF_INET6, .sin6_port = htons(listen_c)}; endpoint_c_v6.sin6_addr = in6addr_loopback; const struct in_addr first_half_v4 = {0}; const struct in_addr second_half_v4 = {(uint32_t)htonl(128 << 24)}; const struct in6_addr first_half_v6 = {{{0}}}; const struct in6_addr second_half_v6 = {{{0x80}}}; const uint8_t half_cidr = 1; const uint16_t persistent_keepalives[] = {1, 3, 7, 9, 14, 19}; struct genlmsghdr genlhdr = {.cmd = WG_CMD_SET_DEVICE, .version = 1}; int sock; int id, err; sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock == -1) { return; } id = netlink_query_family_id(&nlmsg, sock, WG_GENL_NAME, true); if (id == -1) goto error; netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_a, strlen(ifname_a) + 1); netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_a, 32); netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_a, 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32); netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4, sizeof(endpoint_b_v4)); netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, &persistent_keepalives[0], 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4, sizeof(first_half_v4)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6, sizeof(first_half_v6)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32); netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v6, sizeof(endpoint_c_v6)); netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, &persistent_keepalives[1], 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4, sizeof(second_half_v4)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6, sizeof(second_half_v6)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); err = netlink_send(&nlmsg, sock); if (err < 0) { } netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_b, strlen(ifname_b) + 1); netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_b, 32); netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_b, 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32); netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6, sizeof(endpoint_a_v6)); netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, &persistent_keepalives[2], 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4, sizeof(first_half_v4)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6, sizeof(first_half_v6)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32); netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v4, sizeof(endpoint_c_v4)); netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, &persistent_keepalives[3], 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4, sizeof(second_half_v4)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6, sizeof(second_half_v6)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); err = netlink_send(&nlmsg, sock); if (err < 0) { } netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_c, strlen(ifname_c) + 1); netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_c, 32); netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_c, 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32); netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6, sizeof(endpoint_a_v6)); netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, &persistent_keepalives[4], 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4, sizeof(first_half_v4)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6, sizeof(first_half_v6)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32); netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4, sizeof(endpoint_b_v4)); netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL, &persistent_keepalives[5], 2); netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4, sizeof(second_half_v4)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_nest(&nlmsg, NLA_F_NESTED | 0); netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2); netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6, sizeof(second_half_v6)); netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); netlink_done(&nlmsg); err = netlink_send(&nlmsg, sock); if (err < 0) { } error: close(sock); } static void initialize_netdevices(void) { char netdevsim[16]; sprintf(netdevsim, "netdevsim%d", (int)procid); struct { const char* type; const char* dev; } devtypes[] = { {"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"}, {"vcan", "vcan0"}, {"bond", "bond0"}, {"team", "team0"}, {"dummy", "dummy0"}, {"nlmon", "nlmon0"}, {"caif", "caif0"}, {"batadv", "batadv0"}, {"vxcan", "vxcan1"}, {"veth", 0}, {"wireguard", "wg0"}, {"wireguard", "wg1"}, {"wireguard", "wg2"}, }; const char* devmasters[] = {"bridge", "bond", "team", "batadv"}; struct { const char* name; int macsize; bool noipv6; } devices[] = { {"lo", ETH_ALEN}, {"sit0", 0}, {"bridge0", ETH_ALEN}, {"vcan0", 0, true}, {"tunl0", 0}, {"gre0", 0}, {"gretap0", ETH_ALEN}, {"ip_vti0", 0}, {"ip6_vti0", 0}, {"ip6tnl0", 0}, {"ip6gre0", 0}, {"ip6gretap0", ETH_ALEN}, {"erspan0", ETH_ALEN}, {"bond0", ETH_ALEN}, {"veth0", ETH_ALEN}, {"veth1", ETH_ALEN}, {"team0", ETH_ALEN}, {"veth0_to_bridge", ETH_ALEN}, {"veth1_to_bridge", ETH_ALEN}, {"veth0_to_bond", ETH_ALEN}, {"veth1_to_bond", ETH_ALEN}, {"veth0_to_team", ETH_ALEN}, {"veth1_to_team", ETH_ALEN}, {"veth0_to_hsr", ETH_ALEN}, {"veth1_to_hsr", ETH_ALEN}, {"hsr0", 0}, {"dummy0", ETH_ALEN}, {"nlmon0", 0}, {"vxcan0", 0, true}, {"vxcan1", 0, true}, {"caif0", ETH_ALEN}, {"batadv0", ETH_ALEN}, {netdevsim, ETH_ALEN}, {"xfrm0", ETH_ALEN}, {"veth0_virt_wifi", ETH_ALEN}, {"veth1_virt_wifi", ETH_ALEN}, {"virt_wifi0", ETH_ALEN}, {"veth0_vlan", ETH_ALEN}, {"veth1_vlan", ETH_ALEN}, {"vlan0", ETH_ALEN}, {"vlan1", ETH_ALEN}, {"macvlan0", ETH_ALEN}, {"macvlan1", ETH_ALEN}, {"ipvlan0", ETH_ALEN}, {"ipvlan1", ETH_ALEN}, {"veth0_macvtap", ETH_ALEN}, {"veth1_macvtap", ETH_ALEN}, {"macvtap0", ETH_ALEN}, {"macsec0", ETH_ALEN}, {"veth0_to_batadv", ETH_ALEN}, {"veth1_to_batadv", ETH_ALEN}, {"batadv_slave_0", ETH_ALEN}, {"batadv_slave_1", ETH_ALEN}, {"geneve0", ETH_ALEN}, {"geneve1", ETH_ALEN}, {"wg0", 0}, {"wg1", 0}, {"wg2", 0}, }; int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (sock == -1) exit(1); unsigned i; for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) netlink_add_device(&nlmsg, sock, devtypes[i].type, devtypes[i].dev); for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) { char master[32], slave0[32], veth0[32], slave1[32], veth1[32]; sprintf(slave0, "%s_slave_0", devmasters[i]); sprintf(veth0, "veth0_to_%s", devmasters[i]); netlink_add_veth(&nlmsg, sock, slave0, veth0); sprintf(slave1, "%s_slave_1", devmasters[i]); sprintf(veth1, "veth1_to_%s", devmasters[i]); netlink_add_veth(&nlmsg, sock, slave1, veth1); sprintf(master, "%s0", devmasters[i]); netlink_device_change(&nlmsg, sock, slave0, false, master, 0, 0, NULL); netlink_device_change(&nlmsg, sock, slave1, false, master, 0, 0, NULL); } netlink_add_xfrm(&nlmsg, sock, "xfrm0"); netlink_device_change(&nlmsg, sock, "bridge_slave_0", true, 0, 0, 0, NULL); netlink_device_change(&nlmsg, sock, "bridge_slave_1", true, 0, 0, 0, NULL); netlink_add_veth(&nlmsg, sock, "hsr_slave_0", "veth0_to_hsr"); netlink_add_veth(&nlmsg, sock, "hsr_slave_1", "veth1_to_hsr"); netlink_add_hsr(&nlmsg, sock, "hsr0", "hsr_slave_0", "hsr_slave_1"); netlink_device_change(&nlmsg, sock, "hsr_slave_0", true, 0, 0, 0, NULL); netlink_device_change(&nlmsg, sock, "hsr_slave_1", true, 0, 0, 0, NULL); netlink_add_veth(&nlmsg, sock, "veth0_virt_wifi", "veth1_virt_wifi"); netlink_add_linked(&nlmsg, sock, "virt_wifi", "virt_wifi0", "veth1_virt_wifi"); netlink_add_veth(&nlmsg, sock, "veth0_vlan", "veth1_vlan"); netlink_add_vlan(&nlmsg, sock, "vlan0", "veth0_vlan", 0, htons(ETH_P_8021Q)); netlink_add_vlan(&nlmsg, sock, "vlan1", "veth0_vlan", 1, htons(ETH_P_8021AD)); netlink_add_macvlan(&nlmsg, sock, "macvlan0", "veth1_vlan"); netlink_add_macvlan(&nlmsg, sock, "macvlan1", "veth1_vlan"); netlink_add_ipvlan(&nlmsg, sock, "ipvlan0", "veth0_vlan", IPVLAN_MODE_L2, 0); netlink_add_ipvlan(&nlmsg, sock, "ipvlan1", "veth0_vlan", IPVLAN_MODE_L3S, IPVLAN_F_VEPA); netlink_add_veth(&nlmsg, sock, "veth0_macvtap", "veth1_macvtap"); netlink_add_linked(&nlmsg, sock, "macvtap", "macvtap0", "veth0_macvtap"); netlink_add_linked(&nlmsg, sock, "macsec", "macsec0", "veth1_macvtap"); char addr[32]; sprintf(addr, DEV_IPV4, 14 + 10); struct in_addr geneve_addr4; if (inet_pton(AF_INET, addr, &geneve_addr4) <= 0) exit(1); struct in6_addr geneve_addr6; if (inet_pton(AF_INET6, "fc00::01", &geneve_addr6) <= 0) exit(1); netlink_add_geneve(&nlmsg, sock, "geneve0", 0, &geneve_addr4, 0); netlink_add_geneve(&nlmsg, sock, "geneve1", 1, 0, &geneve_addr6); netdevsim_add((int)procid, 4); netlink_wireguard_setup(); for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) { char addr[32]; sprintf(addr, DEV_IPV4, i + 10); netlink_add_addr4(&nlmsg, sock, devices[i].name, addr); if (!devices[i].noipv6) { sprintf(addr, DEV_IPV6, i + 10); netlink_add_addr6(&nlmsg, sock, devices[i].name, addr); } uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40); netlink_device_change(&nlmsg, sock, devices[i].name, true, 0, &macaddr, devices[i].macsize, NULL); } close(sock); } static void initialize_netdevices_init(void) { int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (sock == -1) exit(1); struct { const char* type; int macsize; bool noipv6; bool noup; } devtypes[] = { {"nr", 7, true}, {"rose", 5, true, true}, }; unsigned i; for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) { char dev[32], addr[32]; sprintf(dev, "%s%d", devtypes[i].type, (int)procid); sprintf(addr, "172.30.%d.%d", i, (int)procid + 1); netlink_add_addr4(&nlmsg, sock, dev, addr); if (!devtypes[i].noipv6) { sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1); netlink_add_addr6(&nlmsg, sock, dev, addr); } int macsize = devtypes[i].macsize; uint64_t macaddr = 0xbbbbbb + ((unsigned long long)i << (8 * (macsize - 2))) + (procid << (8 * (macsize - 1))); netlink_device_change(&nlmsg, sock, dev, !devtypes[i].noup, 0, &macaddr, macsize, NULL); } close(sock); } #define MAX_FDS 30 //% This code is derived from puff.{c,h}, found in the zlib development. The //% original files come with the following copyright notice: //% Copyright (C) 2002-2013 Mark Adler, all rights reserved //% version 2.3, 21 Jan 2013 //% This software is provided 'as-is', without any express or implied //% warranty. In no event will the author be held liable for any damages //% arising from the use of this software. //% Permission is granted to anyone to use this software for any purpose, //% including commercial applications, and to alter it and redistribute it //% freely, subject to the following restrictions: //% 1. The origin of this software must not be misrepresented; you must not //% claim that you wrote the original software. If you use this software //% in a product, an acknowledgment in the product documentation would be //% appreciated but is not required. //% 2. Altered source versions must be plainly marked as such, and must not be //% misrepresented as being the original software. //% 3. This notice may not be removed or altered from any source distribution. //% Mark Adler madler@alumni.caltech.edu //% BEGIN CODE DERIVED FROM puff.{c,h} #define MAXBITS 15 #define MAXLCODES 286 #define MAXDCODES 30 #define MAXCODES (MAXLCODES + MAXDCODES) #define FIXLCODES 288 struct puff_state { unsigned char* out; unsigned long outlen; unsigned long outcnt; const unsigned char* in; unsigned long inlen; unsigned long incnt; int bitbuf; int bitcnt; jmp_buf env; }; static int puff_bits(struct puff_state* s, int need) { long val = s->bitbuf; while (s->bitcnt < need) { if (s->incnt == s->inlen) longjmp(s->env, 1); val |= (long)(s->in[s->incnt++]) << s->bitcnt; s->bitcnt += 8; } s->bitbuf = (int)(val >> need); s->bitcnt -= need; return (int)(val & ((1L << need) - 1)); } static int puff_stored(struct puff_state* s) { s->bitbuf = 0; s->bitcnt = 0; if (s->incnt + 4 > s->inlen) return 2; unsigned len = s->in[s->incnt++]; len |= s->in[s->incnt++] << 8; if (s->in[s->incnt++] != (~len & 0xff) || s->in[s->incnt++] != ((~len >> 8) & 0xff)) return -2; if (s->incnt + len > s->inlen) return 2; if (s->outcnt + len > s->outlen) return 1; for (; len--; s->outcnt++, s->incnt++) { if (s->in[s->incnt]) s->out[s->outcnt] = s->in[s->incnt]; } return 0; } struct puff_huffman { short* count; short* symbol; }; static int puff_decode(struct puff_state* s, const struct puff_huffman* h) { int first = 0; int index = 0; int bitbuf = s->bitbuf; int left = s->bitcnt; int code = first = index = 0; int len = 1; short* next = h->count + 1; while (1) { while (left--) { code |= bitbuf & 1; bitbuf >>= 1; int count = *next++; if (code - count < first) { s->bitbuf = bitbuf; s->bitcnt = (s->bitcnt - len) & 7; return h->symbol[index + (code - first)]; } index += count; first += count; first <<= 1; code <<= 1; len++; } left = (MAXBITS + 1) - len; if (left == 0) break; if (s->incnt == s->inlen) longjmp(s->env, 1); bitbuf = s->in[s->incnt++]; if (left > 8) left = 8; } return -10; } static int puff_construct(struct puff_huffman* h, const short* length, int n) { int len; for (len = 0; len <= MAXBITS; len++) h->count[len] = 0; int symbol; for (symbol = 0; symbol < n; symbol++) (h->count[length[symbol]])++; if (h->count[0] == n) return 0; int left = 1; for (len = 1; len <= MAXBITS; len++) { left <<= 1; left -= h->count[len]; if (left < 0) return left; } short offs[MAXBITS + 1]; offs[1] = 0; for (len = 1; len < MAXBITS; len++) offs[len + 1] = offs[len] + h->count[len]; for (symbol = 0; symbol < n; symbol++) if (length[symbol] != 0) h->symbol[offs[length[symbol]]++] = symbol; return left; } static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode, const struct puff_huffman* distcode) { static const short lens[29] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258}; static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0}; static const short dists[30] = { 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577}; static const short dext[30] = {0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13}; int symbol; do { symbol = puff_decode(s, lencode); if (symbol < 0) return symbol; if (symbol < 256) { if (s->outcnt == s->outlen) return 1; if (symbol) s->out[s->outcnt] = symbol; s->outcnt++; } else if (symbol > 256) { symbol -= 257; if (symbol >= 29) return -10; int len = lens[symbol] + puff_bits(s, lext[symbol]); symbol = puff_decode(s, distcode); if (symbol < 0) return symbol; unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]); if (dist > s->outcnt) return -11; if (s->outcnt + len > s->outlen) return 1; while (len--) { if (dist <= s->outcnt && s->out[s->outcnt - dist]) s->out[s->outcnt] = s->out[s->outcnt - dist]; s->outcnt++; } } } while (symbol != 256); return 0; } static int puff_fixed(struct puff_state* s) { static int virgin = 1; static short lencnt[MAXBITS + 1], lensym[FIXLCODES]; static short distcnt[MAXBITS + 1], distsym[MAXDCODES]; static struct puff_huffman lencode, distcode; if (virgin) { lencode.count = lencnt; lencode.symbol = lensym; distcode.count = distcnt; distcode.symbol = distsym; short lengths[FIXLCODES]; int symbol; for (symbol = 0; symbol < 144; symbol++) lengths[symbol] = 8; for (; symbol < 256; symbol++) lengths[symbol] = 9; for (; symbol < 280; symbol++) lengths[symbol] = 7; for (; symbol < FIXLCODES; symbol++) lengths[symbol] = 8; puff_construct(&lencode, lengths, FIXLCODES); for (symbol = 0; symbol < MAXDCODES; symbol++) lengths[symbol] = 5; puff_construct(&distcode, lengths, MAXDCODES); virgin = 0; } return puff_codes(s, &lencode, &distcode); } static int puff_dynamic(struct puff_state* s) { static const short order[19] = {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; int nlen = puff_bits(s, 5) + 257; int ndist = puff_bits(s, 5) + 1; int ncode = puff_bits(s, 4) + 4; if (nlen > MAXLCODES || ndist > MAXDCODES) return -3; short lengths[MAXCODES]; int index; for (index = 0; index < ncode; index++) lengths[order[index]] = puff_bits(s, 3); for (; index < 19; index++) lengths[order[index]] = 0; short lencnt[MAXBITS + 1], lensym[MAXLCODES]; struct puff_huffman lencode = {lencnt, lensym}; int err = puff_construct(&lencode, lengths, 19); if (err != 0) return -4; index = 0; while (index < nlen + ndist) { int symbol; int len; symbol = puff_decode(s, &lencode); if (symbol < 0) return symbol; if (symbol < 16) lengths[index++] = symbol; else { len = 0; if (symbol == 16) { if (index == 0) return -5; len = lengths[index - 1]; symbol = 3 + puff_bits(s, 2); } else if (symbol == 17) symbol = 3 + puff_bits(s, 3); else symbol = 11 + puff_bits(s, 7); if (index + symbol > nlen + ndist) return -6; while (symbol--) lengths[index++] = len; } } if (lengths[256] == 0) return -9; err = puff_construct(&lencode, lengths, nlen); if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1])) return -7; short distcnt[MAXBITS + 1], distsym[MAXDCODES]; struct puff_huffman distcode = {distcnt, distsym}; err = puff_construct(&distcode, lengths + nlen, ndist); if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1])) return -8; return puff_codes(s, &lencode, &distcode); } static int puff(unsigned char* dest, unsigned long* destlen, const unsigned char* source, unsigned long sourcelen) { struct puff_state s = { .out = dest, .outlen = *destlen, .outcnt = 0, .in = source, .inlen = sourcelen, .incnt = 0, .bitbuf = 0, .bitcnt = 0, }; int err; if (setjmp(s.env) != 0) err = 2; else { int last; do { last = puff_bits(&s, 1); int type = puff_bits(&s, 2); err = type == 0 ? puff_stored(&s) : (type == 1 ? puff_fixed(&s) : (type == 2 ? puff_dynamic(&s) : -1)); if (err != 0) break; } while (!last); } *destlen = s.outcnt; return err; } //% END CODE DERIVED FROM puff.{c,h} #define ZLIB_HEADER_WIDTH 2 static int puff_zlib_to_file(const unsigned char* source, unsigned long sourcelen, int dest_fd) { if (sourcelen < ZLIB_HEADER_WIDTH) return 0; source += ZLIB_HEADER_WIDTH; sourcelen -= ZLIB_HEADER_WIDTH; const unsigned long max_destlen = 132 << 20; void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANON, -1, 0); if (ret == MAP_FAILED) return -1; unsigned char* dest = (unsigned char*)ret; unsigned long destlen = max_destlen; int err = puff(dest, &destlen, source, sourcelen); if (err) { munmap(dest, max_destlen); errno = -err; return -1; } if (write(dest_fd, dest, destlen) != (ssize_t)destlen) { munmap(dest, max_destlen); return -1; } return munmap(dest, max_destlen); } static int setup_loop_device(unsigned char* data, unsigned long size, const char* loopname, int* loopfd_p) { int err = 0, loopfd = -1; int memfd = syscall(__NR_memfd_create, "syzkaller", 0); if (memfd == -1) { err = errno; goto error; } if (puff_zlib_to_file(data, size, memfd)) { err = errno; goto error_close_memfd; } loopfd = open(loopname, O_RDWR); if (loopfd == -1) { err = errno; goto error_close_memfd; } if (ioctl(loopfd, LOOP_SET_FD, memfd)) { if (errno != EBUSY) { err = errno; goto error_close_loop; } ioctl(loopfd, LOOP_CLR_FD, 0); usleep(1000); if (ioctl(loopfd, LOOP_SET_FD, memfd)) { err = errno; goto error_close_loop; } } close(memfd); *loopfd_p = loopfd; return 0; error_close_loop: close(loopfd); error_close_memfd: close(memfd); error: errno = err; return -1; } static long syz_mount_image(volatile long fsarg, volatile long dir, volatile long flags, volatile long optsarg, volatile long change_dir, volatile unsigned long size, volatile long image) { unsigned char* data = (unsigned char*)image; int res = -1, err = 0, loopfd = -1, need_loop_device = !!size; char* mount_opts = (char*)optsarg; char* target = (char*)dir; char* fs = (char*)fsarg; char* source = NULL; char loopname[64]; if (need_loop_device) { memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(data, size, loopname, &loopfd) == -1) return -1; source = loopname; } mkdir(target, 0777); char opts[256]; memset(opts, 0, sizeof(opts)); if (strlen(mount_opts) > (sizeof(opts) - 32)) { } strncpy(opts, mount_opts, sizeof(opts) - 32); if (strcmp(fs, "iso9660") == 0) { flags |= MS_RDONLY; } else if (strncmp(fs, "ext", 3) == 0) { bool has_remount_ro = false; char* remount_ro_start = strstr(opts, "errors=remount-ro"); if (remount_ro_start != NULL) { char after = *(remount_ro_start + strlen("errors=remount-ro")); char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1); has_remount_ro = ((before == '\0' || before == ',') && (after == '\0' || after == ',')); } if (strstr(opts, "errors=panic") || !has_remount_ro) strcat(opts, ",errors=continue"); } else if (strcmp(fs, "xfs") == 0) { strcat(opts, ",nouuid"); } res = mount(source, target, fs, flags, opts); if (res == -1) { err = errno; goto error_clear_loop; } res = open(target, O_RDONLY | O_DIRECTORY); if (res == -1) { err = errno; goto error_clear_loop; } if (change_dir) { res = chdir(target); if (res == -1) { err = errno; } } error_clear_loop: if (need_loop_device) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } errno = err; return res; } static void setup_common() { 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); setsid(); 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); setup_common(); sandbox_common(); drop_caps(); initialize_netdevices_init(); if (unshare(CLONE_NEWNET)) { } write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535"); initialize_netdevices(); setup_binderfs(); loop(); exit(1); } static void close_fds() { for (int fd = 3; fd < MAX_FDS; fd++) close(fd); } static void setup_binfmt_misc() { if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) { } write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:"); write_file("/proc/sys/fs/binfmt_misc/register", ":syz1:M:1:\x02::./file0:POC"); } static void setup_sysctl() { char mypid[32]; snprintf(mypid, sizeof(mypid), "%d", getpid()); struct { const char* name; const char* data; } files[] = { {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"}, {"/proc/sys/kernel/hung_task_check_interval_secs", "20"}, {"/proc/sys/net/core/bpf_jit_kallsyms", "1"}, {"/proc/sys/net/core/bpf_jit_harden", "0"}, {"/proc/sys/kernel/kptr_restrict", "0"}, {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"}, {"/proc/sys/fs/mount-max", "100"}, {"/proc/sys/vm/oom_dump_tasks", "0"}, {"/proc/sys/debug/exception-trace", "0"}, {"/proc/sys/kernel/printk", "7 4 1 3"}, {"/proc/sys/kernel/keys/gc_delay", "1"}, {"/proc/sys/vm/oom_kill_allocating_task", "1"}, {"/proc/sys/kernel/ctrl-alt-del", "0"}, {"/proc/sys/kernel/cad_pid", mypid}, }; for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) { if (!write_file(files[i].name, files[i].data)) printf("write to %s failed: %s\n", files[i].name, strerror(errno)); } } uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void loop(void) { intptr_t res = 0; NONFAILING(memcpy((void*)0x20000080, "ext3\000", 5)); NONFAILING(memcpy((void*)0x20000480, "./file0\000", 8)); NONFAILING(memcpy((void*)0x20000140, "jqfmt=vfsold", 12)); NONFAILING(*(uint8_t*)0x2000014c = 0x2c); NONFAILING(memcpy((void*)0x2000014d, "resgid", 6)); NONFAILING(*(uint8_t*)0x20000153 = 0x3d); NONFAILING(sprintf((char*)0x20000154, "0x%016llx", (long long)0xee00)); NONFAILING(*(uint8_t*)0x20000166 = 0x2c); NONFAILING(memcpy((void*)0x20000167, "bh", 2)); NONFAILING(*(uint8_t*)0x20000169 = 0x2c); NONFAILING(memcpy((void*)0x2000016a, "noload", 6)); NONFAILING(*(uint8_t*)0x20000170 = 0x2c); NONFAILING(memcpy((void*)0x20000171, "data_err=ignore", 15)); NONFAILING(*(uint8_t*)0x20000180 = 0x2c); NONFAILING(memcpy((void*)0x20000181, "usrjquota=", 10)); NONFAILING(*(uint8_t*)0x2000018b = 0x2c); NONFAILING(*(uint8_t*)0x2000018c = 0); NONFAILING(memcpy( (void*)0x200004c0, "\x78\x9c\xec\xdc\xcb\x6f\x1b\x45\x18\x00\xf0\x6f\xed\x24\x7d\x93\x50\xca" "\xa3\xa5\x85\x40\x41\x44\x3c\x92\x26\x7d\xd0\x03\x17\x10\x48\x1c\x40\x42" "\x82\x43\x11\xa7\x90\xa4\x55\xa8\xdb\xa0\x26\x48\xb4\x8a\x20\x70\x08\x47" "\x54\x89\x3b\xe2\x88\xc4\x5f\xc0\x09\x2e\x08\x38\x21\x71\x85\x3b\xaa\x54" "\xa1\x5c\x5a\x38\x19\xad\xbd\x9b\xba\x89\x9d\xc6\x89\x53\x97\xec\xef\x27" "\x6d\x3b\xe3\x1d\x6b\xe6\xdb\xdd\xb1\x67\x67\xbc\x09\xa0\xb0\x06\xd3\x7f" "\x92\x88\xbd\x11\xf1\x47\x44\xf4\xd7\xb3\xb7\x17\x18\xac\xff\x77\x73\x69" "\x7e\xe2\x9f\xa5\xf9\x89\x24\xaa\xd5\xb7\xff\x4e\x6a\xe5\x6e\x2c\xcd\x4f" "\xe4\x45\xf3\xf7\xed\xa9\x67\xaa\xd5\x2c\xbf\xa3\x49\xbd\x8b\xef\x45\x8c" "\x57\x2a\x53\x97\xb2\xfc\xc8\xdc\x85\x0f\x47\x66\x2f\x5f\x79\x61\xfa\xc2" "\xf8\xb9\xa9\x73\x53\x17\xc7\x4e\x9f\x3e\x71\xfc\x48\xdf\xa9\xb1\x93\x1d" "\x89\x33\x8d\xeb\xc6\xa1\x4f\x66\x0e\x1f\x7c\xfd\xdd\xab\x6f\x4e\x9c\xb9" "\xfa\xfe\x2f\xdf\xa5\xed\xdd\x9b\xed\x6f\x8c\xa3\x53\x06\xeb\x47\xb7\xa9" "\xa7\x3b\x5d\x59\x97\xed\x6b\x48\x27\x3d\x5d\x6c\x08\x6d\x29\x47\x44\x7a" "\xba\x7a\x6b\xfd\xbf\x3f\xca\xb1\x6b\x79\x5f\x7f\xbc\xf6\x79\x57\x1b\x07" "\x6c\xa9\x6a\xb5\x5a\x6d\xf6\xfd\x9c\x59\xa8\x02\xdb\x58\x12\xdd\x6e\x01" "\xd0\x1d\xf9\x17\x7d\x7a\xff\x9b\x6f\x77\x69\xe8\x71\x4f\xb8\xfe\x72\xfd" "\x06\x28\x8d\xfb\x66\xb6\xd5\xf7\xf4\x44\x29\x2b\xd3\xbb\xe2\xfe\xb6\x93" "\x06\x23\xe2\xcc\xc2\xbf\x5f\xa7\x5b\x6c\xd1\x3c\x04\x00\x40\xa3\x1f\xd2" "\xf1\xcf\xf3\xcd\xc6\x7f\xa5\x78\xa8\xa1\xdc\x7d\xd9\x1a\xca\x40\x44\xdc" "\x1f\x11\xfb\x23\xe2\x81\x88\x38\x10\x11\x0f\x46\xd4\xca\x3e\x1c\x11\x8f" "\xb4\x59\xff\xca\x15\x92\xd5\xe3\x9f\xd2\xb5\x0d\x05\xb6\x4e\xe9\xf8\xef" "\xa5\x6c\x6d\xeb\xf6\xf1\x5f\x3e\xfa\x8b\x81\x72\x96\xdb\x57\x8b\xbf\x37" "\x39\x3b\x5d\x99\x3a\x96\x1d\x93\xa1\xe8\xdd\x91\xe6\x47\xd7\xa8\xe3\xc7" "\x57\x7f\xff\xb2\xd5\xbe\xc6\xf1\x5f\xba\xa5\xf5\xe7\x63\xc1\xac\x1d\xd7" "\x7a\x56\x4c\xd0\x4d\x8e\xcf\x8d\x6f\x26\xe6\x46\xd7\x3f\x8b\x38\xd4\xd3" "\x2c\xfe\x24\xf2\x65\x9c\x24\x22\x0e\x46\xc4\xa1\x0d\xd6\x31\xfd\xec\xb7" "\x87\x5b\xed\xbb\x73\xfc\x6b\xe8\xc0\x3a\x53\xf5\x9b\x88\x67\xea\xe7\x7f" "\x21\x56\xc4\x9f\x4b\x5a\xae\x4f\x8e\xbe\x78\x6a\xec\xe4\xc8\xce\xa8\x4c" "\x1d\x1b\xc9\xaf\x8a\xd5\x7e\xfd\x6d\xf1\xad\x56\xf5\x6f\x2a\xfe\x0e\x48" "\xcf\xff\xee\xa6\xd7\xff\x72\xfc\x03\xc9\xce\x88\xd9\xcb\x57\xce\xd7\xd6" "\x6b\x67\xdb\xaf\x63\xf1\xcf\x2f\x5a\xde\xd3\x6c\xf4\xfa\xef\x4b\xde\xa9" "\xa5\xfb\xb2\xd7\x3e\x1e\x9f\x9b\xbb\x34\x1a\xd1\x97\xbc\xb1\xfa\xf5\xb1" "\x5b\xef\xcd\xf3\x79\xf9\x34\xfe\xa1\xa3\xcd\xfb\xff\xfe\xb8\x75\x24\x1e" "\x8d\x88\xf4\x22\x3e\x12\x11\x8f\x45\xc4\xe3\x59\xdb\x9f\x88\x88\x27\x23" "\xe2\xe8\x1a\xf1\xff\xfc\xca\x53\x1f\xb4\x1f\xff\x1a\xb3\xf2\x1d\x94\xc6" "\x3f\x79\xa7\xf3\x1f\x8d\xe7\xbf\xfd\x44\xf9\xfc\x4f\xdf\xb7\x1f\x7f\x2e" "\x3d\xff\x27\x6a\xa9\xa1\xec\x95\xf5\x7c\xfe\xad\xb7\x81\x9b\x39\x76\x00" "\x00\x00\xf0\x7f\x51\xaa\xfd\x06\x3e\x29\x0d\x2f\xa7\x4b\xa5\xe1\xe1\xfa" "\x6f\xf8\x0f\xc4\xee\x52\x65\x66\x76\xee\xb9\xb3\x33\x1f\x5d\x9c\xac\xff" "\x56\x7e\x20\x7a\x4b\xf9\x4c\x57\x7f\xc3\x7c\xe8\x68\x36\x37\x9c\xe7\xc7" "\x56\xe4\x8f\x67\xf3\xc6\x5f\x95\x77\xd5\xf2\xc3\x13\x33\x95\xc9\x6e\x07" "\x0f\x05\xb7\xa7\x45\xff\x4f\xfd\x55\xee\x76\xeb\x80\x2d\xe7\x79\x2d\x28" "\x2e\xfd\x1f\x8a\x4b\xff\x87\xe2\xd2\xff\xa1\xb8\xf4\x7f\x28\xae\x66\xfd" "\xff\xd3\x2e\xb4\x03\xb8\xfb\x7c\xff\x43\x71\xe9\xff\x50\x5c\xfa\x3f\x14" "\x97\xfe\x0f\x85\xd4\xf2\xd9\xf8\xd2\xa6\x1e\xf9\x97\xd8\xf6\x89\x28\xdd" "\x13\xcd\xd8\xfe\x89\x9e\x75\xff\x31\x8b\x0d\x26\x76\x34\xdd\xd5\xed\x4f" "\x26\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xce\xf8\x2f\x00\x00" "\xff\xff\x70\x88\xe4\x87", 1086)); NONFAILING(syz_mount_image( /*fs=*/0x20000080, /*dir=*/0x20000480, /*flags=*/0xc0ed0006, /*opts=*/0x20000140, /*chdir=*/0xfe, /*size=*/0x43e, /*img=*/0x200004c0)); NONFAILING(memcpy((void*)0x20000340, "./bus\000", 6)); syscall(__NR_creat, /*file=*/0x20000340ul, /*mode=*/0ul); NONFAILING(memcpy((void*)0x20001280, "/dev/loop", 9)); NONFAILING(*(uint8_t*)0x20001289 = 0x30); NONFAILING(*(uint8_t*)0x2000128a = 0); NONFAILING(memcpy((void*)0x20001240, "./bus\000", 6)); syscall(__NR_mount, /*src=*/0x20001280ul, /*dst=*/0x20001240ul, /*type=*/0ul, /*flags=*/0x1000ul, /*data=*/0ul); NONFAILING(memcpy((void*)0x20000400, "./bus\000", 6)); res = syscall(__NR_open, /*file=*/0x20000400ul, /*flags=*/0x14103eul, /*mode=*/0ul); if (res != -1) r[0] = res; NONFAILING(memcpy((void*)0x20000040, "./file0\000", 8)); syscall(__NR_chdir, /*dir=*/0x20000040ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x600000ul, /*prot=*/0x2000002ul, /*flags=*/0x11ul, /*fd=*/r[0], /*offset=*/0ul); NONFAILING(memcpy((void*)0x20000280, "cgroup.controllers\000", 19)); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000280ul, /*flags=*/0x275aul, /*mode=*/0ul); if (res != -1) r[1] = res; NONFAILING(memcpy((void*)0x200000c0, "exfat\000", 6)); NONFAILING(memcpy((void*)0x20000240, "./file0\000", 8)); NONFAILING(memcpy((void*)0x20000280, "\x69\x6f\x63\x68\x61\x72\x73\x65\x74\x3d\x61\x73\x63\x69" "\x69\x2c\x64\x69\x73\x63\x61\x72\x64\x2c\x64\x6d\x61\x73" "\x6b\x3d\x30\x30\x45\x30\x30\x30\x30\x30\x30\x30\x30\x30" "\x30\x30\x30\x30\x30\x30\x37\x2c\xcd\xf8\x76\x81", 54)); NONFAILING(sprintf((char*)0x200002b6, "0x%016llx", (long long)-1)); NONFAILING(*(uint32_t*)0x200002c8 = r[1]); NONFAILING(sprintf((char*)0x200002cc, "0x%016llx", (long long)-1)); NONFAILING( memcpy((void*)0x200002de, "\x2c\x00\x01\x00\x00\x54\x09\x66\x00\xc3\x65\xca\x24\x39\xf2\xb1" "\x5e\xaa\xf3\xb8\x08\x4c\x54\x92\x06\x5b\xa1\x61\x4e\xd1\xe9\x81" "\xd3\xb6\xd4\xab\x4a\xad\xe6\x0c\xb9\x74\x11\x47\x87\x5c\x5c\x35" "\x0e\xa1\xcd\x6b\xdc\x41\xda\xe5\x98\x0b\x41\xf2\x48", 61)); NONFAILING(sprintf((char*)0x2000031b, "0x%016llx", (long long)0xee00)); NONFAILING( memcpy((void*)0x2000032d, ",\t\000\000\000\000\000\000\000\000", 10)); NONFAILING(memcpy( (void*)0x20001580, "\x78\x9c\xec\xdc\x0b\x98\x8e\x55\xd7\x38\xf0\xbd\xf6\xde\x37\x63\x9a\xf4" "\x34\xc9\x61\xd8\x6b\xaf\x9b\x27\x0d\xb6\x49\x92\x1c\x12\x72\x48\x92\x24" "\x49\x72\x4a\x48\x9a\x24\x49\x48\x0c\x39\x25\x0d\x49\xc8\x71\x92\x1c\x86" "\x90\x1c\xa6\x31\x69\x9c\xcf\x87\x9c\x93\x26\xaf\x34\x49\x12\x92\x53\xd8" "\xff\x4b\xef\xfb\x7d\xde\xf7\xeb\xfd\xbe\xbe\xef\xff\xf6\xff\xbb\xae\x6f" "\xd6\xef\xba\xf6\x35\x7b\xcd\xfd\xac\xf5\xac\x7b\xd6\x5c\xf3\xdc\xf7\x73" "\x5d\xf3\xfc\xd0\x73\x54\xbd\x16\xf5\x6b\x37\x23\x22\xf1\x2f\x81\xbf\x7e" "\x49\x11\x42\xc4\x08\x21\x86\x09\x21\x6e\x10\x42\x04\x42\x88\x4a\xf1\x95" "\xe2\xaf\x1c\x2f\xa0\x20\xe5\x5f\x7b\x12\xf6\xe7\x7a\x34\xfd\x5a\x77\xc0" "\xae\x25\x9e\x7f\xde\xc6\xf3\xcf\xdb\x78\xfe\x79\x1b\xcf\x3f\x6f\xe3\xf9" "\xe7\x6d\x3c\xff\xbc\x8d\xe7\x9f\xb7\xf1\xfc\x19\xcb\xcb\xb6\xcf\x29\x76" "\x23\xaf\xbc\xbb\xf8\xfd\xff\xbc\x8c\x5f\xff\xff\x17\xc9\x2d\x3f\xf9\x9b" "\x8d\xe5\x6f\xee\xf5\x3f\x48\xe1\xf9\xe7\x6d\x3c\xff\xbc\x8d\xe7\x9f\xb7" "\xf1\xfc\xf3\x36\x9e\x7f\xde\xc6\xf3\xff\xdf\xaf\xd6\x7f\x71\x8c\xe7\x9f" "\xb7\xf1\xfc\x19\xcb\xcb\xae\xf5\xfb\xcf\xbc\xae\xed\xba\xd6\xbf\x7f\x8c" "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31" "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63" "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6" "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c" "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31" "\xc6\xf2\x86\x73\xfe\x2a\x2d\x84\xf8\xb7\xfd\xb5\xee\x8b\x31\xc6\x18\x63" "\x8c\x31\xc6\x18\x63\x7f\x1e\x9f\xff\x5a\x77\xc0\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\xb1\xff\xf7\x40\x48\xa1\x84\x16\x81\xc8\x27\xf2\x8b\x18\x51\x40" "\xc4\x8a\xeb\x44\x9c\xb8\x5e\x14\x14\x37\x88\x88\xb8\x51\xc4\x8b\x9b\x44" "\x21\x71\xb3\x28\x2c\x8a\x88\xa2\xa2\x98\x48\x10\xc5\x45\x09\x61\x04\x0a" "\x2b\x48\x84\xa2\xa4\x28\x25\xa2\xe2\x16\x51\x5a\xdc\x2a\x12\x45\x19\x51" "\x56\x94\x13\x4e\x94\x17\x49\xe2\x36\x51\x41\xdc\x2e\x2a\x8a\x3b\x44\x25" "\x71\xa7\xa8\x2c\xee\x12\x55\x44\x55\x51\x4d\x54\x17\x77\x8b\x1a\xe2\x1e" "\x51\x53\xd4\x12\xb5\xc5\xbd\xa2\x8e\xa8\x2b\xea\x89\xfa\xe2\x3e\xd1\x40" "\xdc\x2f\x1a\x8a\x07\x44\x23\xf1\xa0\x68\x2c\x1e\x12\x4d\xc4\xc3\xa2\xa9" "\x78\x44\x34\x13\x8f\x8a\xe6\xe2\x31\xd1\x42\x3c\x2e\x5a\x8a\x27\x44\x2b" "\xd1\x5a\xb4\x11\x6d\x45\xbb\xff\xab\xfc\x57\x44\x5f\xf1\xaa\xe8\x27\xfa" "\x8b\x14\x31\x40\x0c\x14\xaf\x89\x41\x62\xb0\x18\x22\x86\x8a\x61\xe2\x75" "\x31\x5c\xbc\x21\x46\x88\x37\x45\xaa\x18\x29\x46\x89\xb7\xc4\x68\xf1\xb6" "\x18\x23\xde\x11\x63\xc5\x38\x31\x5e\xbc\x2b\x26\x88\x89\x62\x92\x98\x2c" "\xa6\x88\xa9\x22\x4d\xbc\x27\xa6\x89\xf7\xc5\x74\xf1\x81\x98\x21\x66\x8a" "\x59\x62\xb6\x48\x17\x73\xc4\x5c\xf1\xa1\x98\x27\xe6\x8b\x05\xe2\x23\xb1" "\x50\x7c\x2c\x16\x89\xc5\x62\x89\x58\x2a\x32\xc4\x27\x22\x53\x2c\x13\x59" "\xe2\x53\xb1\x5c\x7c\x26\xb2\xc5\x0a\xb1\x52\xac\x12\xab\xc5\x1a\xb1\x56" "\xac\x13\xeb\xc5\x06\xb1\x51\x6c\x12\x9b\xc5\x16\xb1\x55\x6c\x13\xdb\xc5" "\xe7\x62\x87\xd8\x29\x76\x89\xdd\x62\x8f\xd8\x2b\xf6\x89\x2f\xc4\x7e\xf1" "\xa5\x38\x20\xbe\x12\x39\xe2\xeb\xff\x61\xfe\xd9\xff\x90\xdf\x0b\x04\x08" "\x90\x20\x41\x83\x86\x7c\x90\x0f\x62\x20\x06\x62\x21\x16\xe2\x20\x0e\x0a" "\x42\x41\x88\x40\x04\xe2\x21\x1e\x0a\x41\x21\x28\x0c\x85\xa1\x28\x14\x85" "\x04\x48\x80\x12\x50\x02\x10\x10\x08\x08\x4a\x42\x49\x88\x42\x14\x4a\x43" "\x69\x48\x84\x44\x28\x0b\x65\xc1\x81\x83\x24\x48\x82\x0a\x70\x3b\x54\x84" "\x8a\x50\x09\x2a\x41\x65\xa8\x0c\x55\xa0\x2a\x54\x85\xea\x50\x1d\x6a\x40" "\x0d\xa8\x09\x35\xa1\x36\xd4\x86\x3a\x50\x07\xea\x41\x3d\xb8\x0f\xee\x83" "\xfb\xa1\x21\x34\x84\x46\xd0\x08\x1a\x43\x63\x68\x02\x4d\xa0\x29\x34\x85" "\x66\xd0\x0c\x9a\x43\x73\x68\x01\x2d\xa0\x25\xb4\x84\x56\xd0\x0a\xda\x40" "\x1b\x68\x07\xed\xa0\x3d\xb4\x87\x0e\xd0\x01\x3a\x41\x27\xe8\x0c\x9d\xa1" "\x0b\x74\x81\x64\x48\x86\xae\xd0\x15\xba\x41\x37\xe8\x0e\xdd\xa1\x07\xf4" "\x80\x9e\xd0\x13\x7a\x41\x6f\xe8\x0d\xaf\xc0\x2b\xf0\x2a\xbc\x0a\xfd\xa1" "\x8e\x1c\x00\x03\x61\x20\x0c\x82\x41\x30\x04\x86\xc2\x50\x78\x1d\x86\xc3" "\x1b\xf0\x06\xbc\x09\xa9\x30\x12\x46\xc1\x5b\xf0\x16\xbc\x0d\x63\xe0\x0c" "\x8c\x85\x71\x30\x1e\xc6\x43\x0d\x39\x11\x26\xc1\x64\x20\x39\x15\xd2\x20" "\x0d\xa6\xc1\x34\x98\x0e\xd3\x61\x06\xcc\x84\x99\x30\x1b\xd2\x61\x0e\xcc" "\x85\xb9\x30\x0f\xe6\xc3\x7c\xf8\x08\x16\xc2\xc7\xf0\x31\x2c\x86\xc5\xb0" "\x14\x32\x20\x03\x32\x61\x19\x64\x41\x16\x2c\x87\xb3\x90\x0d\x2b\x60\x25" "\xac\x82\xd5\xb0\x06\x56\xc3\x3a\x58\x0f\xeb\x60\x23\x6c\x82\x8d\xb0\x05" "\xb6\xc0\x36\xd8\x06\x9f\xc3\xe7\xb0\x13\x76\xc2\x6e\xd8\x0d\x7b\x61\x2f" "\x7c\x01\x5f\xc0\x97\xf0\x25\xa4\x42\x0e\xe4\xc0\x41\x38\x08\x87\xe0\x10" "\x1c\x86\xc3\x90\x0b\xb9\x70\x04\x8e\xc0\x51\x38\x0a\xc7\xe0\x18\x1c\x87" "\xe3\x70\x02\x4e\xc2\x29\x38\x09\xa7\xe1\x34\x9c\x81\xb3\x70\x0e\xce\xc1" "\x05\xb8\x00\x17\xe1\xa5\x84\xef\x9a\xef\x2d\xb3\x21\x55\xc8\x2b\xb4\xd4" "\x32\x9f\xcc\x27\x63\x64\x8c\x8c\x95\xb1\x32\x4e\xc6\xc9\x82\xb2\xa0\x8c" "\xc8\x88\x8c\x97\xf1\xb2\x90\x2c\x24\x0b\xcb\xc2\xb2\xa8\x2c\x2a\x13\x64" "\x82\x2c\x21\x4b\x48\x94\x28\x49\x86\xb2\xa4\x2c\x29\xa3\x32\x2a\x4b\xcb" "\xd2\x32\x51\x26\xca\xb2\xb2\xac\x74\xd2\xc9\x24\x99\x24\x2b\xc8\x0a\xb2" "\xa2\xac\x28\x2b\xc9\x3b\x65\x65\x79\x97\xac\x22\xab\xca\x8e\xae\xba\xac" 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"\xe9\x6e\xaa\x41\xf7\x50\x4d\xaa\x45\xb5\xe9\x5e\xaa\x43\x75\xa9\x1e\xd5" "\xa7\xfb\xa8\x01\xdd\x4f\x0d\xe9\x01\x6a\x44\x0f\x52\x63\x7a\x88\x9a\xd0" "\xc3\xd4\x94\x1e\xa1\x66\xf4\x28\x35\xa7\xc7\xa8\x05\x3d\x4e\x2d\xe9\x09" "\x6a\x45\xad\xa9\x0d\xb5\xa5\x76\xf4\x24\xb5\xa7\xa7\xa8\x03\x75\xa4\x4e" "\xf4\x34\x75\xa6\x67\xa8\x0b\x3d\x4b\xc9\xf4\x1c\x75\xa5\xe7\xa9\x1b\xbd" "\x40\xdd\xe9\x45\xea\x41\x2f\x51\x4f\x7a\x99\x7a\x51\x6f\xea\x43\xaf\x50" "\x5f\x7a\x95\xfa\x51\x7f\x4a\xa1\x01\x34\x90\x5e\xa3\x41\x34\x98\x86\xd0" "\x50\x1a\x46\xaf\xd3\x70\x7a\x83\x46\xd0\x9b\x94\x4a\x23\x69\x14\xbd\x45" "\xa3\xe9\x6d\x1a\x43\xef\xd0\x58\x1a\x47\xe3\xe9\x5d\x9a\x40\x13\x69\x12" "\x4d\xa6\x29\x34\x95\xd2\xe8\x3d\x9a\x46\xef\xd3\x74\xfa\x80\x66\xd0\x4c" "\x9a\x45\xb3\x29\x9d\xe6\xd0\x5c\xfa\x90\xe6\xd1\x7c\x5a\x40\x1f\xd1\x42" "\xfa\x98\x16\xd1\x62\x5a\x42\x4b\x29\x83\x3e\xa1\x4c\x5a\x46\x59\xf4\x29" "\x2d\xa7\xcf\x28\x9b\x56\xd0\x4a\x5a\x45\xab\x69\x0d\xad\xa5\x75\xb4\x9e" "\x36\xd0\x46\xda\x44\x9b\x69\x0b\x6d\xa5\x6d\xb4\x9d\x3e\xa7\x1d\xb4\x93" "\x76\xd1\x6e\xda\x43\x7b\x69\x1f\x7d\x41\xfb\xe9\x4b\x3a\x40\x5f\x51\x0e" "\x7d\x4d\x07\xe9\x2f\x74\x88\xbe\xa1\xc3\xf4\x2d\xe5\xd2\x77\x74\x84\xbe" "\xa7\xa3\xf4\x03\x1d\xa3\x1f\xe9\x38\xfd\x44\x27\xe8\x24\x9d\xa2\x9f\xe9" "\x34\xfd\x42\x67\xe8\x2c\x9d\xa3\xf3\x74\x81\x7e\xa5\x8b\x74\x89\x2e\x93" "\x27\x11\x42\x28\x43\x15\xea\x30\x08\xf3\x85\xf9\xc3\x98\xb0\x40\x18\x1b" "\x5e\x17\xc6\x85\xd7\x87\x05\xc3\x1b\xc2\x48\x78\x63\x18\x1f\xde\x14\x16" "\x0a\x6f\x0e\x0b\x87\x45\xc2\xa2\x61\xb1\x30\x21\x2c\x1e\x96\x08\x4d\x88" "\xa1\x0d\x29\x0c\xc3\x92\x61\xa9\x30\x1a\xde\x12\x96\x0e\x6f\x0d\x13\xc3" "\x32\x61\xd9\xb0\x5c\xe8\xc2\xf2\x61\x52\x78\x5b\x58\x21\xbc\x3d\xac\x18" "\xde\x11\x56\x0a\xef\x0c\x2b\x87\x77\x85\x55\xc2\xaa\xe1\xe3\x0f\x56\x0f" "\xef\x0e\x6b\x84\xf7\x84\x35\xc3\x5a\x61\xed\xf0\xde\xb0\x4e\x58\x37\xac" "\x17\xd6\x0f\xef\x0b\x1b\x84\xf7\x87\x0d\xc3\x07\xc2\x46\xe1\x83\x61\xc5" "\xf0\xa1\xb0\x49\xf8\x70\xd8\x34\x7c\x24\x6c\x16\x3e\x1a\x36\x0f\x1f\x0b" "\x5b\x84\x8f\x87\x2d\xc3\x27\xc2\x56\x61\xeb\xb0\x4d\xd8\x36\x6c\x17\x3e" "\x19\xb6\x0f\x9f\x0a\x3b\x84\x1d\xc3\x4e\xe1\xd3\x61\xe7\xf0\x99\xb0\x4b" "\xf8\x6c\x98\x1c\x3e\x17\x76\x0d\x9f\xff\xc3\xe3\x29\xe1\x80\x70\x60\xf8" "\x5a\xf8\x5a\xe8\xfd\x03\x6a\x49\x74\x69\x34\x23\xfa\x49\x34\x33\xba\x2c" "\x9a\x15\xfd\x34\xba\x3c\xfa\x59\x34\x3b\xba\x22\xba\x32\xba\x2a\xba\x3a" "\xba\x26\xba\x36\xba\x2e\xba\x3e\xba\x21\xba\x31\xba\x29\xba\x39\xba\x25" "\xba\x35\xba\x2d\xea\x7d\xfd\xfc\xc2\x81\x93\x4e\x39\xed\x02\x97\xcf\xe5" "\x77\x31\xae\x80\x8b\x75\xd7\xb9\x38\x77\xbd\x2b\xe8\x6e\x70\x11\x77\xa3" "\x8b\x77\x37\xb9\x42\xee\x66\x57\xd8\x15\x71\x45\x5d\x31\x97\xe0\x8a\xbb" "\x12\xce\x38\x74\xd6\x91\x0b\x5d\x49\x57\xca\x45\xdd\x2d\xae\xb4\xbb\xd5" "\x25\xba\x32\xae\xac\x2b\xe7\x9c\x2b\xef\x92\x5c\x5b\xd7\xce\xb5\x73\xed" "\xdd\x53\xae\x83\xeb\xe8\x3a\xb9\xa7\xdd\xd3\xee\x19\xf7\x8c\x7b\xd6\x3d" "\xeb\x9e\x73\x5d\xdd\xf3\xae\x9b\x7b\xc1\x75\x77\x2f\xba\x1e\xee\x25\xf7" "\x92\x7b\xd9\xf5\x72\xbd\x5d\x1f\xf7\x8a\xeb\xeb\x5e\x75\xfd\x5c\x7f\x97" "\xe2\x52\xdc\x40\x37\xd0\x0d\x72\x83\xdc\x10\x37\xc4\x0d\x73\xc3\xdc\x70" "\x37\xdc\x8d\x70\x23\x5c\xaa\x4b\x75\xa3\xdc\x28\x37\xda\x8d\x76\x63\xdc" "\x18\x37\xd6\x8d\x75\xe3\xdd\x78\x37\xc1\x4d\x70\x93\xdc\x24\x37\xc5\x4d" "\x71\x69\x2e\xcd\x4d\x73\xd3\xdc\x74\x37\xdd\xcd\x70\x33\xdc\x2c\x37\xcb" "\xa5\xbb\x74\x37\xd7\xcd\x75\xf3\xdc\x3c\xb7\xc0\x2d\x70\x0b\x13\x17\xba" "\x45\x6e\x91\x5b\xe2\x96\xb8\x0c\x97\xe1\x32\x5d\xa6\xcb\x72\x59\x6e\xb9" "\x5b\xee\xb2\x5d\xb6\x5b\xe9\x56\xba\xd5\x6e\xb5\x5b\xeb\xd6\xba\xf5\x6e" "\xbd\xdb\xe8\x36\xba\xcd\x6e\xb3\xdb\xea\xb6\xba\xed\x6e\xbb\xdb\xe1\x76" "\xb8\x5d\x6e\x97\xdb\xe3\xf6\xb8\x7d\x6e\x9f\xdb\xef\xf6\xbb\x03\xee\x80" "\xcb\x71\x39\xee\xa0\x3b\xe8\x0e\xb9\x43\xee\xb0\xfb\xd6\xe5\xba\xef\xdc" "\x11\xf7\xbd\x3b\xea\x7e\x70\xc7\xdc\x8f\xee\xb8\xfb\xc9\x9d\x70\x27\xdd" "\x29\xf7\xb3\x3b\xed\x7e\x71\x67\xdc\x59\x77\xce\x9d\x77\x17\xdc\xaf\xee" "\xa2\xbb\xe4\x2e\x3b\xef\xd2\x22\xef\x45\xa6\x45\xde\x8f\x4c\x8f\x7c\x10" "\x99\x11\x99\x19\x99\x15\x99\x1d\x49\x8f\xcc\x89\xcc\x8d\x7c\x18\x99\x17" "\x99\x1f\x59\x10\xf9\x28\xb2\x30\xf2\x71\x64\x51\x64\x71\x64\x49\x64\x69" "\x24\x23\xf2\x49\x24\x33\xb2\x2c\x92\x15\xf9\x34\xb2\x3c\xf2\x59\x24\x3b" "\xb2\x22\xb2\x32\xb2\x2a\xb2\x3a\xb2\x26\xe2\x7d\xf1\x1d\xa1\x2f\xe9\x4b" "\xf9\xa8\xbf\xc5\x97\xf6\xb7\xfa\x44\x5f\xc6\x97\xf5\xe5\xbc\xf3\xe5\x7d" "\x92\xbf\xcd\x57\xf0\xb7\xfb\x8a\xfe\x0e\x5f\xc9\xdf\xe9\x2b\xfb\xbb\x7c" "\x15\x5f\xd5\x57\xf3\x4f\xf8\x56\xbe\xb5\x6f\xe3\xdb\xfa\x76\xfe\x49\xdf" "\xde\x3f\xe5\x3b\xf8\x8e\xbe\x93\x7f\xda\x77\xf6\xcf\xf8\x2e\xfe\x59\x9f" "\xec\x9f\xf3\x5d\xfd\xf3\xbe\x9b\x7f\xc1\x77\xf7\x2f\xfa\x1e\xfe\x25\xdf" "\xd3\xbf\xec\x7b\xf9\xde\xbe\x8f\x7f\xc5\xf7\xf5\xaf\xfa\x7e\xbe\xbf\x4f" "\xf1\x03\xfc\x40\xff\x9a\x1f\xe4\x07\xfb\x21\x7e\xa8\x1f\xe6\x5f\xf7\xc3" "\xfd\x1b\x7e\x84\x7f\xd3\xa7\xfa\x91\x7e\x94\x7f\xcb\x8f\xf6\x6f\xfb\x31" "\xfe\x1d\x3f\xd6\x8f\xf3\xe3\xfd\xbb\x7e\x82\x9f\xe8\x27\xf9\xc9\x7e\x8a" "\x9f\xea\xd3\xfc\x7b\x7e\x9a\x7f\xdf\x4f\xf7\x1f\xf8\x19\x7e\xa6\x9f\xe5" "\x67\xfb\x74\x3f\xc7\xcf\xf5\x1f\xfa\x79\x7e\xbe\x5f\xe0\x3f\xf2\x0b\xfd" "\xc7\x7e\x91\x5f\xec\x97\xf8\xa5\x3e\xc3\x7f\xe2\x33\xfd\x32\x9f\xe5\x3f" "\xf5\xcb\xfd\x67\x3e\xdb\xaf\xf0\x2b\xfd\x2a\xbf\xda\xaf\xf1\x6b\xfd\x3a" "\xbf\xde\x6f\xf0\x1b\xfd\x26\xbf\xd9\x6f\xf1\x5b\xfd\x36\xbf\xdd\x7f\xee" "\x77\xf8\x9d\x7e\x97\xdf\xed\xf7\xf8\xbd\x7e\x9f\xff\xc2\xef\xf7\x5f\xfa" "\x03\xfe\x2b\x9f\xe3\xbf\xf6\x07\xfd\x5f\xfc\x21\xff\x8d\x3f\xec\xbf\xf5" "\xb9\xfe\x3b\x7f\xc4\x7f\xef\x8f\xfa\x1f\xfc\x31\xff\xa3\x3f\xee\x7f\xf2" "\x27\xfc\x49\x7f\xca\xff\xec\x4f\xfb\x5f\xfc\x19\x7f\xd6\x9f\xf3\xe7\xfd" "\x05\xff\xab\xbf\xe8\x2f\xf9\xcb\xfc\x3f\x6b\x8c\x31\xc6\x18\x63\xff\x2d" "\xea\x0f\x8e\x0f\xf8\x27\xdf\x93\x7f\x5b\x57\x0c\x14\x42\x5c\xbf\xb3\x58" "\xee\x7f\xac\xb9\xb9\xf0\x5f\xf7\x83\x65\x42\xe7\x88\x10\xe2\xb9\xfe\x3d" "\x1f\xfd\xb7\x55\xa7\x4e\x4a\x4a\xca\xdf\x1e\x9b\xad\x44\x50\x6a\xb1\x10" "\x22\x72\x35\x3f\x9f\xb8\x1a\xaf\x10\x9d\xc4\x33\x22\x59\x74\x14\x15\xfe" "\x69\x7f\x83\x65\xef\x0b\xf4\x07\xf5\xa3\x77\x0a\x11\xfb\x77\x39\x31\xe2" "\x6a\x7c\xb5\xfe\xed\xff\x49\xfd\x27\x9f\x1e\x9f\x59\x39\x3c\x17\xff\x5f" "\xd4\x5f\x2c\x44\x62\xa9\xab\x39\x05\xc4\xd5\xf8\x6a\xfd\x8a\xff\x49\xfd" "\x22\xed\xff\xa0\xff\x02\xdf\xa4\x09\xd1\xe1\xef\x72\xe2\xc4\xd5\xf8\x6a" "\xfd\x24\xf1\x94\x78\x5e\x24\xff\xc3\x23\x19\x63\x8c\x31\xc6\x18\x63\x8c" "\xb1\xbf\x1a\x2c\xab\x75\xff\xa3\xfb\xe7\x2b\xf7\xe7\x09\xfa\x6a\x4e\x7e" "\x71\x35\xfe\xa3\xfb\x73\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x5d\x7b\x2f" "\xf6\xee\xf3\xec\x93\xc9\xc9\x1d\xbb\xf3\x86\x37\xbc\xe1\xcd\xbf\x6f\xae" "\xf5\x5f\x26\xc6\x18\x63\x8c\x31\xc6\xd8\x9f\xed\xea\x45\xff\xb5\xee\x84" "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31" "\xc6\x18\xcb\xbb\xfe\x7f\x7c\x9c\xd8\xb5\x3e\x47\xc6\x18\x63\x8c\x31\xc6" "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c" "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\x31\xc6\x18\x63\xec\x5a\xfb\x3f\x01\x00\x00\xff\xff\x48\xe7\x3c" "\x33", 5365)); NONFAILING(syz_mount_image(/*fs=*/0x200000c0, /*dir=*/0x20000240, /*flags=*/0x2000084c, /*opts=*/0x20000280, /*chdir=*/0x81, /*size=*/0x14f5, /*img=*/0x20001580)); NONFAILING(memcpy((void*)0x20000040, "./file0\000", 8)); syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x20000040ul, /*mode=*/0ul); close_fds(); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); setup_sysctl(); setup_binfmt_misc(); install_segv_handler(); do_sandbox_none(); return 0; }