? github.com/google/syzkaller/dashboard/api [no test files] ok github.com/google/syzkaller/dashboard/app (cached) ok github.com/google/syzkaller/dashboard/dashapi (cached) ok github.com/google/syzkaller/executor 1.662s ok github.com/google/syzkaller/pkg/asset (cached) ok github.com/google/syzkaller/pkg/ast (cached) ok github.com/google/syzkaller/pkg/auth (cached) ok github.com/google/syzkaller/pkg/bisect 18.026s ok github.com/google/syzkaller/pkg/bisect/minimize (cached) ok github.com/google/syzkaller/pkg/build (cached) ? github.com/google/syzkaller/pkg/clangtool [no test files] ok github.com/google/syzkaller/pkg/compiler (cached) ok github.com/google/syzkaller/pkg/config (cached) ok github.com/google/syzkaller/pkg/corpus (cached) ok github.com/google/syzkaller/pkg/cover (cached) ok github.com/google/syzkaller/pkg/cover/backend (cached) ok github.com/google/syzkaller/pkg/coveragedb (cached) ? github.com/google/syzkaller/pkg/coveragedb/mocks [no test files] ? github.com/google/syzkaller/pkg/coveragedb/spannerclient [no test files] ok github.com/google/syzkaller/pkg/covermerger (cached) ? github.com/google/syzkaller/pkg/covermerger/mocks [no test files] --- FAIL: TestGenerate (23.50s) --- FAIL: TestGenerate/linux/mips64le (3.63s) testutil.go:35: seed=1760709109540222343 --- FAIL: TestGenerate/linux/mips64le/single_syz_open_dev (0.09s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: syz_open_dev$I2C(&(0x7f0000000000), 0x8, 0x84a10) csource_test.go:149: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 5009 #endif static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2) { if (a0 == 0xc || a0 == 0xb) { char buf[128]; sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1, (uint8_t)a2); return open(buf, O_RDWR, 0); } else { unsigned long nb = a1; char buf[1024]; char* hash; strncpy(buf, (char*)a0, sizeof(buf) - 1); buf[sizeof(buf) - 1] = 0; while ((hash = strchr(buf, '#'))) { *hash = '0' + (char)(nb % 10); nb /= 10; } return open(buf, a2, 0); } } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} memcpy((void*)0x200000000000, "/dev/i2c-#\000", 11); syz_open_dev(/*dev=*/0x200000000000, /*id=*/8, /*flags=O_TRUNC|O_SYNC|O_NOCTTY|O_CLOEXEC*/0x84a10); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor4061534657 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_emit_vhci (0.06s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: syz_emit_vhci(&(0x7f0000000000)=@HCI_SCODATA_PKT={0x3, {0x65, 0xd}, "14046f9f3f1d75bd01199aa900"}, 0x11) csource_test.go:149: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 5009 #endif int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor1726451376 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_80211_join_ibss (0.11s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: syz_80211_join_ibss(&(0x7f0000000000)='wlan0\x00', &(0x7f0000000040)=@random="a829fc06b4a0", 0x6, 0x0) csource_test.go:149: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 5009 #endif 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; } #define WIFI_INITIAL_DEVICE_COUNT 2 #define WIFI_MAC_BASE { 0x08, 0x02, 0x11, 0x00, 0x00, 0x00} #define WIFI_IBSS_BSSID { 0x50, 0x50, 0x50, 0x50, 0x50, 0x50} #define WIFI_IBSS_SSID { 0x10, 0x10, 0x10, 0x10, 0x10, 0x10} #define WIFI_DEFAULT_FREQUENCY 2412 #define WIFI_DEFAULT_SIGNAL 0 #define WIFI_DEFAULT_RX_RATE 1 #define HWSIM_CMD_REGISTER 1 #define HWSIM_CMD_FRAME 2 #define HWSIM_CMD_NEW_RADIO 4 #define HWSIM_ATTR_SUPPORT_P2P_DEVICE 14 #define HWSIM_ATTR_PERM_ADDR 22 #define IF_OPER_UP 6 struct join_ibss_props { int wiphy_freq; bool wiphy_freq_fixed; uint8_t* mac; uint8_t* ssid; int ssid_len; }; static int set_interface_state(const char* interface_name, int on) { struct ifreq ifr; int sock = socket(AF_INET, SOCK_DGRAM, 0); if (sock < 0) { return -1; } memset(&ifr, 0, sizeof(ifr)); strcpy(ifr.ifr_name, interface_name); int ret = ioctl(sock, SIOCGIFFLAGS, &ifr); if (ret < 0) { close(sock); return -1; } if (on) ifr.ifr_flags |= IFF_UP; else ifr.ifr_flags &= ~IFF_UP; ret = ioctl(sock, SIOCSIFFLAGS, &ifr); close(sock); if (ret < 0) { return -1; } return 0; } static int nl80211_set_interface(struct nlmsg* nlmsg, int sock, int nl80211_family, uint32_t ifindex, uint32_t iftype, bool dofail) { struct genlmsghdr genlhdr; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = NL80211_CMD_SET_INTERFACE; netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex)); netlink_attr(nlmsg, NL80211_ATTR_IFTYPE, &iftype, sizeof(iftype)); int err = netlink_send_ext(nlmsg, sock, 0, NULL, dofail); if (err < 0) { } return err; } static int nl80211_join_ibss(struct nlmsg* nlmsg, int sock, int nl80211_family, uint32_t ifindex, struct join_ibss_props* props, bool dofail) { struct genlmsghdr genlhdr; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = NL80211_CMD_JOIN_IBSS; netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex)); netlink_attr(nlmsg, NL80211_ATTR_SSID, props->ssid, props->ssid_len); netlink_attr(nlmsg, NL80211_ATTR_WIPHY_FREQ, &(props->wiphy_freq), sizeof(props->wiphy_freq)); if (props->mac) netlink_attr(nlmsg, NL80211_ATTR_MAC, props->mac, ETH_ALEN); if (props->wiphy_freq_fixed) netlink_attr(nlmsg, NL80211_ATTR_FREQ_FIXED, NULL, 0); int err = netlink_send_ext(nlmsg, sock, 0, NULL, dofail); if (err < 0) { } return err; } static int get_ifla_operstate(struct nlmsg* nlmsg, int ifindex, bool dofail) { struct ifinfomsg info; memset(&info, 0, sizeof(info)); info.ifi_family = AF_UNSPEC; info.ifi_index = ifindex; int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (sock == -1) { return -1; } netlink_init(nlmsg, RTM_GETLINK, 0, &info, sizeof(info)); int n; int err = netlink_send_ext(nlmsg, sock, RTM_NEWLINK, &n, dofail); close(sock); if (err) { return -1; } struct rtattr* attr = IFLA_RTA(NLMSG_DATA(nlmsg->buf)); for (; RTA_OK(attr, n); attr = RTA_NEXT(attr, n)) { if (attr->rta_type == IFLA_OPERSTATE) return *((int32_t*)RTA_DATA(attr)); } return -1; } static int await_ifla_operstate(struct nlmsg* nlmsg, char* interface, int operstate, bool dofail) { int ifindex = if_nametoindex(interface); while (true) { usleep(1000); int ret = get_ifla_operstate(nlmsg, ifindex, dofail); if (ret < 0) return ret; if (ret == operstate) return 0; } return 0; } static int nl80211_setup_ibss_interface(struct nlmsg* nlmsg, int sock, int nl80211_family_id, char* interface, struct join_ibss_props* ibss_props, bool dofail) { int ifindex = if_nametoindex(interface); if (ifindex == 0) { return -1; } int ret = nl80211_set_interface(nlmsg, sock, nl80211_family_id, ifindex, NL80211_IFTYPE_ADHOC, dofail); if (ret < 0) { return -1; } ret = set_interface_state(interface, 1); if (ret < 0) { return -1; } ret = nl80211_join_ibss(nlmsg, sock, nl80211_family_id, ifindex, ibss_props, dofail); if (ret < 0) { return -1; } return 0; } #define WIFI_MAX_SSID_LEN 32 #define WIFI_JOIN_IBSS_NO_SCAN 0 #define WIFI_JOIN_IBSS_BG_SCAN 1 #define WIFI_JOIN_IBSS_BG_NO_SCAN 2 static long syz_80211_join_ibss(volatile long a0, volatile long a1, volatile long a2, volatile long a3) { char* interface = (char*)a0; uint8_t* ssid = (uint8_t*)a1; int ssid_len = (int)a2; int mode = (int)a3; struct nlmsg tmp_msg; uint8_t bssid[ETH_ALEN] = WIFI_IBSS_BSSID; if (ssid_len < 0 || ssid_len > WIFI_MAX_SSID_LEN) { return -1; } if (mode < 0 || mode > WIFI_JOIN_IBSS_BG_NO_SCAN) { return -1; } int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock < 0) { return -1; } int nl80211_family_id = netlink_query_family_id(&tmp_msg, sock, "nl80211", false); if (nl80211_family_id < 0) { close(sock); return -1; } struct join_ibss_props ibss_props = { .wiphy_freq = WIFI_DEFAULT_FREQUENCY, .wiphy_freq_fixed = (mode == WIFI_JOIN_IBSS_NO_SCAN || mode == WIFI_JOIN_IBSS_BG_NO_SCAN), .mac = bssid, .ssid = ssid, .ssid_len = ssid_len}; int ret = nl80211_setup_ibss_interface(&tmp_msg, sock, nl80211_family_id, interface, &ibss_props, false); close(sock); if (ret < 0) { return -1; } if (mode == WIFI_JOIN_IBSS_NO_SCAN) { ret = await_ifla_operstate(&tmp_msg, interface, IF_OPER_UP, false); if (ret < 0) { return -1; } } return 0; } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} memcpy((void*)0x200000000000, "wlan0\000", 6); memcpy((void*)0x200000000040, "\xa8\x29\xfc\x06\xb4\xa0", 6); syz_80211_join_ibss(/*interface=*/0x200000000000, /*ssid=*/0x200000000040, /*ssid_len=*/6, /*join_mode=*/0); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor706912160 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_pkey_set (0.15s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = pkey_alloc(0x0, 0x6) syz_pkey_set(r0, 0x2) csource_test.go:149: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 5009 #endif #ifndef __NR_pkey_alloc #define __NR_pkey_alloc 5324 #endif #define RESERVED_PKEY 15 static long syz_pkey_set(volatile long pkey, volatile long val) { return 0; } uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} res = syscall(__NR_pkey_alloc, /*flags=*/0ul, /*val=PKEY_DISABLE_WRITE|0x4*/6ul); if (res != -1) r[0] = res; syz_pkey_set(/*key=*/r[0], /*val=PKEY_DISABLE_WRITE*/2); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor3528147973 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_create_resource (0.11s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: syz_create_resource$binfmt(&(0x7f0000000000)='./file0\x00') csource_test.go:149: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 5009 #endif static long syz_create_resource(volatile long val) { return val; } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} memcpy((void*)0x200000000000, "./file0\000", 8); syz_create_resource(/*file=*/0x200000000000); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor2199646451 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_usb_disconnect (0.14s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = syz_usb_connect$rtl8150(0x2, 0x3f, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xbda, 0x8150, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d}}]}}, 0x0) syz_usb_disconnect(r0) csource_test.go:149: failed to build program: // 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 #ifndef __NR_mmap #define __NR_mmap 5009 #endif static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } #define MAX_FDS 30 #define USB_MAX_IFACE_NUM 4 #define USB_MAX_EP_NUM 32 #define USB_MAX_FDS 6 struct usb_endpoint_index { struct usb_endpoint_descriptor desc; int handle; }; struct usb_iface_index { struct usb_interface_descriptor* iface; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bInterfaceClass; struct usb_endpoint_index eps[USB_MAX_EP_NUM]; int eps_num; }; struct usb_device_index { struct usb_device_descriptor* dev; struct usb_config_descriptor* config; uint8_t bDeviceClass; uint8_t bMaxPower; int config_length; struct usb_iface_index ifaces[USB_MAX_IFACE_NUM]; int ifaces_num; int iface_cur; }; struct usb_info { int fd; struct usb_device_index index; }; static struct usb_info usb_devices[USB_MAX_FDS]; static struct usb_device_index* lookup_usb_index(int fd) { for (int i = 0; i < USB_MAX_FDS; i++) { if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd) return &usb_devices[i].index; } return NULL; } static int usb_devices_num; static bool parse_usb_descriptor(const char* buffer, size_t length, struct usb_device_index* index) { if (length < sizeof(*index->dev) + sizeof(*index->config)) return false; memset(index, 0, sizeof(*index)); index->dev = (struct usb_device_descriptor*)buffer; index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev)); index->bDeviceClass = index->dev->bDeviceClass; index->bMaxPower = index->config->bMaxPower; index->config_length = length - sizeof(*index->dev); index->iface_cur = -1; size_t offset = 0; while (true) { if (offset + 1 >= length) break; uint8_t desc_length = buffer[offset]; uint8_t desc_type = buffer[offset + 1]; if (desc_length <= 2) break; if (offset + desc_length > length) break; if (desc_type == USB_DT_INTERFACE && index->ifaces_num < USB_MAX_IFACE_NUM) { struct usb_interface_descriptor* iface = (struct usb_interface_descriptor*)(buffer + offset); index->ifaces[index->ifaces_num].iface = iface; index->ifaces[index->ifaces_num].bInterfaceNumber = iface->bInterfaceNumber; index->ifaces[index->ifaces_num].bAlternateSetting = iface->bAlternateSetting; index->ifaces[index->ifaces_num].bInterfaceClass = iface->bInterfaceClass; index->ifaces_num++; } if (desc_type == USB_DT_ENDPOINT && index->ifaces_num > 0) { struct usb_iface_index* iface = &index->ifaces[index->ifaces_num - 1]; if (iface->eps_num < USB_MAX_EP_NUM) { memcpy(&iface->eps[iface->eps_num].desc, buffer + offset, sizeof(iface->eps[iface->eps_num].desc)); iface->eps_num++; } } offset += desc_length; } return true; } static struct usb_device_index* add_usb_index(int fd, const char* dev, size_t dev_len) { int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED); if (i >= USB_MAX_FDS) return NULL; if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index)) return NULL; __atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE); return &usb_devices[i].index; } struct vusb_connect_string_descriptor { uint32_t len; char* str; } __attribute__((packed)); struct vusb_connect_descriptors { uint32_t qual_len; char* qual; uint32_t bos_len; char* bos; uint32_t strs_len; struct vusb_connect_string_descriptor strs[0]; } __attribute__((packed)); static const char default_string[] = { 8, USB_DT_STRING, 's', 0, 'y', 0, 'z', 0 }; static const char default_lang_id[] = { 4, USB_DT_STRING, 0x09, 0x04 }; static bool lookup_connect_response_in(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, struct usb_qualifier_descriptor* qual, char** response_data, uint32_t* response_length) { struct usb_device_index* index = lookup_usb_index(fd); uint8_t str_idx; if (!index) return false; switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_GET_DESCRIPTOR: switch (ctrl->wValue >> 8) { case USB_DT_DEVICE: *response_data = (char*)index->dev; *response_length = sizeof(*index->dev); return true; case USB_DT_CONFIG: *response_data = (char*)index->config; *response_length = index->config_length; return true; case USB_DT_STRING: str_idx = (uint8_t)ctrl->wValue; if (descs && str_idx < descs->strs_len) { *response_data = descs->strs[str_idx].str; *response_length = descs->strs[str_idx].len; return true; } if (str_idx == 0) { *response_data = (char*)&default_lang_id[0]; *response_length = default_lang_id[0]; return true; } *response_data = (char*)&default_string[0]; *response_length = default_string[0]; return true; case USB_DT_BOS: *response_data = descs->bos; *response_length = descs->bos_len; return true; case USB_DT_DEVICE_QUALIFIER: if (!descs->qual) { qual->bLength = sizeof(*qual); qual->bDescriptorType = USB_DT_DEVICE_QUALIFIER; qual->bcdUSB = index->dev->bcdUSB; qual->bDeviceClass = index->dev->bDeviceClass; qual->bDeviceSubClass = index->dev->bDeviceSubClass; qual->bDeviceProtocol = index->dev->bDeviceProtocol; qual->bMaxPacketSize0 = index->dev->bMaxPacketSize0; qual->bNumConfigurations = index->dev->bNumConfigurations; qual->bRESERVED = 0; *response_data = (char*)qual; *response_length = sizeof(*qual); return true; } *response_data = descs->qual; *response_length = descs->qual_len; return true; default: break; } break; default: break; } break; default: break; } return false; } typedef bool (*lookup_connect_out_response_t)(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done); static bool lookup_connect_response_out_generic(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done) { switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_SET_CONFIGURATION: *done = true; return true; default: break; } break; } return false; } #define UDC_NAME_LENGTH_MAX 128 struct usb_raw_init { __u8 driver_name[UDC_NAME_LENGTH_MAX]; __u8 device_name[UDC_NAME_LENGTH_MAX]; __u8 speed; }; enum usb_raw_event_type { USB_RAW_EVENT_INVALID = 0, USB_RAW_EVENT_CONNECT = 1, USB_RAW_EVENT_CONTROL = 2, }; struct usb_raw_event { __u32 type; __u32 length; __u8 data[0]; }; struct usb_raw_ep_io { __u16 ep; __u16 flags; __u32 length; __u8 data[0]; }; #define USB_RAW_EPS_NUM_MAX 30 #define USB_RAW_EP_NAME_MAX 16 #define USB_RAW_EP_ADDR_ANY 0xff struct usb_raw_ep_caps { __u32 type_control : 1; __u32 type_iso : 1; __u32 type_bulk : 1; __u32 type_int : 1; __u32 dir_in : 1; __u32 dir_out : 1; }; struct usb_raw_ep_limits { __u16 maxpacket_limit; __u16 max_streams; __u32 reserved; }; struct usb_raw_ep_info { __u8 name[USB_RAW_EP_NAME_MAX]; __u32 addr; struct usb_raw_ep_caps caps; struct usb_raw_ep_limits limits; }; struct usb_raw_eps_info { struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX]; }; #define USB_RAW_IOCTL_INIT _IOW('U', 0, struct usb_raw_init) #define USB_RAW_IOCTL_RUN _IO('U', 1) #define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event) #define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor) #define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32) #define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_READ _IOWR('U', 8, struct usb_raw_ep_io) #define USB_RAW_IOCTL_CONFIGURE _IO('U', 9) #define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32) #define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info) #define USB_RAW_IOCTL_EP0_STALL _IO('U', 12) #define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32) #define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32) #define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __u32) static int usb_raw_open() { return open("/dev/raw-gadget", O_RDWR); } static int usb_raw_init(int fd, uint32_t speed, const char* driver, const char* device) { struct usb_raw_init arg; strncpy((char*)&arg.driver_name[0], driver, sizeof(arg.driver_name)); strncpy((char*)&arg.device_name[0], device, sizeof(arg.device_name)); arg.speed = speed; return ioctl(fd, USB_RAW_IOCTL_INIT, &arg); } static int usb_raw_run(int fd) { return ioctl(fd, USB_RAW_IOCTL_RUN, 0); } static int usb_raw_configure(int fd) { return ioctl(fd, USB_RAW_IOCTL_CONFIGURE, 0); } static int usb_raw_vbus_draw(int fd, uint32_t power) { return ioctl(fd, USB_RAW_IOCTL_VBUS_DRAW, power); } static int usb_raw_ep0_write(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_WRITE, io); } static int usb_raw_ep0_read(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_READ, io); } static int usb_raw_event_fetch(int fd, struct usb_raw_event* event) { return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event); } static int usb_raw_ep_enable(int fd, struct usb_endpoint_descriptor* desc) { return ioctl(fd, USB_RAW_IOCTL_EP_ENABLE, desc); } static int usb_raw_ep_disable(int fd, int ep) { return ioctl(fd, USB_RAW_IOCTL_EP_DISABLE, ep); } static int usb_raw_ep0_stall(int fd) { return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 0); } #define USB_MAX_PACKET_SIZE 4096 struct usb_raw_control_event { struct usb_raw_event inner; struct usb_ctrlrequest ctrl; char data[USB_MAX_PACKET_SIZE]; }; struct usb_raw_ep_io_data { struct usb_raw_ep_io inner; char data[USB_MAX_PACKET_SIZE]; }; static void set_interface(int fd, int n) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return; if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) { int rv = usb_raw_ep_disable(fd, index->ifaces[index->iface_cur].eps[ep].handle); if (rv < 0) { } else { } } } if (n >= 0 && n < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[n].eps_num; ep++) { int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep].desc); if (rv < 0) { } else { index->ifaces[n].eps[ep].handle = rv; } } index->iface_cur = n; } } static int configure_device(int fd) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return -1; int rv = usb_raw_vbus_draw(fd, index->bMaxPower); if (rv < 0) { return rv; } rv = usb_raw_configure(fd); if (rv < 0) { return rv; } set_interface(fd, 0); return 0; } static volatile long syz_usb_connect_impl(uint64_t speed, uint64_t dev_len, const char* dev, const struct vusb_connect_descriptors* descs, lookup_connect_out_response_t lookup_connect_response_out) { if (!dev) { return -1; } int fd = usb_raw_open(); if (fd < 0) { return fd; } if (fd >= MAX_FDS) { close(fd); return -1; } struct usb_device_index* index = add_usb_index(fd, dev, dev_len); if (!index) { return -1; } char device[32]; sprintf(&device[0], "dummy_udc.%llu", procid); int rv = usb_raw_init(fd, speed, "dummy_udc", &device[0]); if (rv < 0) { return rv; } rv = usb_raw_run(fd); if (rv < 0) { return rv; } bool done = false; while (!done) { struct usb_raw_control_event event; event.inner.type = 0; event.inner.length = sizeof(event.ctrl); rv = usb_raw_event_fetch(fd, (struct usb_raw_event*)&event); if (rv < 0) { return rv; } if (event.inner.type != USB_RAW_EVENT_CONTROL) continue; char* response_data = NULL; uint32_t response_length = 0; struct usb_qualifier_descriptor qual; if (event.ctrl.bRequestType & USB_DIR_IN) { if (!lookup_connect_response_in(fd, descs, &event.ctrl, &qual, &response_data, &response_length)) { usb_raw_ep0_stall(fd); continue; } } else { if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) { usb_raw_ep0_stall(fd); continue; } response_data = NULL; response_length = event.ctrl.wLength; } if ((event.ctrl.bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD && event.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) { rv = configure_device(fd); if (rv < 0) { return rv; } } struct usb_raw_ep_io_data response; response.inner.ep = 0; response.inner.flags = 0; if (response_length > sizeof(response.data)) response_length = 0; if (event.ctrl.wLength < response_length) response_length = event.ctrl.wLength; response.inner.length = response_length; if (response_data) memcpy(&response.data[0], response_data, response_length); else memset(&response.data[0], 0, response_length); if (event.ctrl.bRequestType & USB_DIR_IN) { rv = usb_raw_ep0_write(fd, (struct usb_raw_ep_io*)&response); } else { rv = usb_raw_ep0_read(fd, (struct usb_raw_ep_io*)&response); } if (rv < 0) { return rv; } } sleep_ms(200); return fd; } static volatile long syz_usb_connect(volatile long a0, volatile long a1, volatile long a2, volatile long a3) { uint64_t speed = a0; uint64_t dev_len = a1; const char* dev = (const char*)a2; const struct vusb_connect_descriptors* descs = (const struct vusb_connect_descriptors*)a3; return syz_usb_connect_impl(speed, dev_len, dev, descs, &lookup_connect_response_out_generic); } static volatile long syz_usb_disconnect(volatile long a0) { int fd = a0; int rv = close(fd); sleep_ms(200); return rv; } uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} *(uint8_t*)0x200000000000 = 0x12; *(uint8_t*)0x200000000001 = 1; *(uint16_t*)0x200000000002 = 0x200; *(uint8_t*)0x200000000004 = -1; *(uint8_t*)0x200000000005 = -1; *(uint8_t*)0x200000000006 = -1; *(uint8_t*)0x200000000007 = 0x40; *(uint16_t*)0x200000000008 = 0xbda; *(uint16_t*)0x20000000000a = 0x8150; *(uint16_t*)0x20000000000c = 0; *(uint8_t*)0x20000000000e = 1; *(uint8_t*)0x20000000000f = 2; *(uint8_t*)0x200000000010 = 3; *(uint8_t*)0x200000000011 = 1; *(uint8_t*)0x200000000012 = 9; *(uint8_t*)0x200000000013 = 2; *(uint16_t*)0x200000000014 = 0x2d; *(uint8_t*)0x200000000016 = 1; *(uint8_t*)0x200000000017 = 1; *(uint8_t*)0x200000000018 = 0; *(uint8_t*)0x200000000019 = 0x80; *(uint8_t*)0x20000000001a = 0xfa; *(uint8_t*)0x20000000001b = 9; *(uint8_t*)0x20000000001c = 4; *(uint8_t*)0x20000000001d = 0; *(uint8_t*)0x20000000001e = 0; *(uint8_t*)0x20000000001f = 3; *(uint8_t*)0x200000000020 = -1; *(uint8_t*)0x200000000021 = 0; *(uint8_t*)0x200000000022 = 0; *(uint8_t*)0x200000000023 = 0; *(uint8_t*)0x200000000024 = 9; *(uint8_t*)0x200000000025 = 5; *(uint8_t*)0x200000000026 = 0x81; *(uint8_t*)0x200000000027 = 2; *(uint16_t*)0x200000000028 = 0x200; *(uint8_t*)0x20000000002a = 0; *(uint8_t*)0x20000000002b = 0; *(uint8_t*)0x20000000002c = 0; *(uint8_t*)0x20000000002d = 9; *(uint8_t*)0x20000000002e = 5; *(uint8_t*)0x20000000002f = 2; *(uint8_t*)0x200000000030 = 2; *(uint16_t*)0x200000000031 = 0x200; *(uint8_t*)0x200000000033 = 0; *(uint8_t*)0x200000000034 = 0; *(uint8_t*)0x200000000035 = 0; *(uint8_t*)0x200000000036 = 9; *(uint8_t*)0x200000000037 = 5; *(uint8_t*)0x200000000038 = 0x83; *(uint8_t*)0x200000000039 = 3; *(uint16_t*)0x20000000003a = 0x40; *(uint8_t*)0x20000000003c = 1; *(uint8_t*)0x20000000003d = 0; *(uint8_t*)0x20000000003e = 0; res = -1; res = syz_usb_connect(/*speed=USB_SPEED_FULL*/2, /*dev_len=*/0x3f, /*dev=*/0x200000000000, /*conn_descs=*/0); if (res != -1) r[0] = res; syz_usb_disconnect(/*fd=*/r[0]); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor938319681 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_open_procfs (0.19s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x4004667b, &(0x7f0000000000)=0x0) syz_open_procfs(r0, &(0x7f0000000040)='projid_map\x00') csource_test.go:149: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #ifndef __NR_ioctl #define __NR_ioctl 5015 #endif #ifndef __NR_mmap #define __NR_mmap 5009 #endif static long syz_open_procfs(volatile long a0, volatile long a1) { char buf[128]; memset(buf, 0, sizeof(buf)); if (a0 == 0) { snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1); } else if (a0 == -1) { snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1); } else { snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1); } int fd = open(buf, O_RDWR); if (fd == -1) fd = open(buf, O_RDONLY); return fd; } uint64_t r[1] = {0x0}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} res = syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0x4004667b, /*arg=*/0x200000000000ul); if (res != -1) r[0] = *(uint32_t*)0x200000000000; memcpy((void*)0x200000000040, "projid_map\000", 11); syz_open_procfs(/*pid=*/r[0], /*file=*/0x200000000040); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor3621592532 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_usbip_server_init (0.12s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: syz_usbip_server_init(0x2) csource_test.go:149: failed to build program: // 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 #ifndef __NR_mmap #define __NR_mmap 5009 #endif static unsigned long long procid; static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } #define VHCI_HC_PORTS 8 #define VHCI_PORTS (VHCI_HC_PORTS * 2) static long syz_usbip_server_init(volatile long a0) { static int port_alloc[2]; int speed = (int)a0; bool usb3 = (speed == USB_SPEED_SUPER); int socket_pair[2]; if (socketpair(AF_UNIX, SOCK_STREAM, 0, socket_pair)) { return -1; } int client_fd = socket_pair[0]; int server_fd = socket_pair[1]; int available_port_num = __atomic_fetch_add(&port_alloc[usb3], 1, __ATOMIC_RELAXED); if (available_port_num > VHCI_HC_PORTS) { return -1; } int port_num = procid * VHCI_PORTS + usb3 * VHCI_HC_PORTS + available_port_num; char buffer[100]; sprintf(buffer, "%d %d %s %d", port_num, client_fd, "0", speed); write_file("/sys/devices/platform/vhci_hcd.0/attach", buffer); return server_fd; } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} syz_usbip_server_init(/*speed=USB_SPEED_FULL*/2); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor1770565567 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_usb_connect_ath9k (0.14s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) csource_test.go:149: failed to build program: // 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 #ifndef __NR_mmap #define __NR_mmap 5009 #endif static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } #define MAX_FDS 30 #define USB_MAX_IFACE_NUM 4 #define USB_MAX_EP_NUM 32 #define USB_MAX_FDS 6 struct usb_endpoint_index { struct usb_endpoint_descriptor desc; int handle; }; struct usb_iface_index { struct usb_interface_descriptor* iface; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bInterfaceClass; struct usb_endpoint_index eps[USB_MAX_EP_NUM]; int eps_num; }; struct usb_device_index { struct usb_device_descriptor* dev; struct usb_config_descriptor* config; uint8_t bDeviceClass; uint8_t bMaxPower; int config_length; struct usb_iface_index ifaces[USB_MAX_IFACE_NUM]; int ifaces_num; int iface_cur; }; struct usb_info { int fd; struct usb_device_index index; }; static struct usb_info usb_devices[USB_MAX_FDS]; static struct usb_device_index* lookup_usb_index(int fd) { for (int i = 0; i < USB_MAX_FDS; i++) { if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd) return &usb_devices[i].index; } return NULL; } static int usb_devices_num; static bool parse_usb_descriptor(const char* buffer, size_t length, struct usb_device_index* index) { if (length < sizeof(*index->dev) + sizeof(*index->config)) return false; memset(index, 0, sizeof(*index)); index->dev = (struct usb_device_descriptor*)buffer; index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev)); index->bDeviceClass = index->dev->bDeviceClass; index->bMaxPower = index->config->bMaxPower; index->config_length = length - sizeof(*index->dev); index->iface_cur = -1; size_t offset = 0; while (true) { if (offset + 1 >= length) break; uint8_t desc_length = buffer[offset]; uint8_t desc_type = buffer[offset + 1]; if (desc_length <= 2) break; if (offset + desc_length > length) break; if (desc_type == USB_DT_INTERFACE && index->ifaces_num < USB_MAX_IFACE_NUM) { struct usb_interface_descriptor* iface = (struct usb_interface_descriptor*)(buffer + offset); index->ifaces[index->ifaces_num].iface = iface; index->ifaces[index->ifaces_num].bInterfaceNumber = iface->bInterfaceNumber; index->ifaces[index->ifaces_num].bAlternateSetting = iface->bAlternateSetting; index->ifaces[index->ifaces_num].bInterfaceClass = iface->bInterfaceClass; index->ifaces_num++; } if (desc_type == USB_DT_ENDPOINT && index->ifaces_num > 0) { struct usb_iface_index* iface = &index->ifaces[index->ifaces_num - 1]; if (iface->eps_num < USB_MAX_EP_NUM) { memcpy(&iface->eps[iface->eps_num].desc, buffer + offset, sizeof(iface->eps[iface->eps_num].desc)); iface->eps_num++; } } offset += desc_length; } return true; } static struct usb_device_index* add_usb_index(int fd, const char* dev, size_t dev_len) { int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED); if (i >= USB_MAX_FDS) return NULL; if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index)) return NULL; __atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE); return &usb_devices[i].index; } struct vusb_connect_string_descriptor { uint32_t len; char* str; } __attribute__((packed)); struct vusb_connect_descriptors { uint32_t qual_len; char* qual; uint32_t bos_len; char* bos; uint32_t strs_len; struct vusb_connect_string_descriptor strs[0]; } __attribute__((packed)); static const char default_string[] = { 8, USB_DT_STRING, 's', 0, 'y', 0, 'z', 0 }; static const char default_lang_id[] = { 4, USB_DT_STRING, 0x09, 0x04 }; static bool lookup_connect_response_in(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, struct usb_qualifier_descriptor* qual, char** response_data, uint32_t* response_length) { struct usb_device_index* index = lookup_usb_index(fd); uint8_t str_idx; if (!index) return false; switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_GET_DESCRIPTOR: switch (ctrl->wValue >> 8) { case USB_DT_DEVICE: *response_data = (char*)index->dev; *response_length = sizeof(*index->dev); return true; case USB_DT_CONFIG: *response_data = (char*)index->config; *response_length = index->config_length; return true; case USB_DT_STRING: str_idx = (uint8_t)ctrl->wValue; if (descs && str_idx < descs->strs_len) { *response_data = descs->strs[str_idx].str; *response_length = descs->strs[str_idx].len; return true; } if (str_idx == 0) { *response_data = (char*)&default_lang_id[0]; *response_length = default_lang_id[0]; return true; } *response_data = (char*)&default_string[0]; *response_length = default_string[0]; return true; case USB_DT_BOS: *response_data = descs->bos; *response_length = descs->bos_len; return true; case USB_DT_DEVICE_QUALIFIER: if (!descs->qual) { qual->bLength = sizeof(*qual); qual->bDescriptorType = USB_DT_DEVICE_QUALIFIER; qual->bcdUSB = index->dev->bcdUSB; qual->bDeviceClass = index->dev->bDeviceClass; qual->bDeviceSubClass = index->dev->bDeviceSubClass; qual->bDeviceProtocol = index->dev->bDeviceProtocol; qual->bMaxPacketSize0 = index->dev->bMaxPacketSize0; qual->bNumConfigurations = index->dev->bNumConfigurations; qual->bRESERVED = 0; *response_data = (char*)qual; *response_length = sizeof(*qual); return true; } *response_data = descs->qual; *response_length = descs->qual_len; return true; default: break; } break; default: break; } break; default: break; } return false; } typedef bool (*lookup_connect_out_response_t)(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done); #define ATH9K_FIRMWARE_DOWNLOAD 0x30 #define ATH9K_FIRMWARE_DOWNLOAD_COMP 0x31 static bool lookup_connect_response_out_ath9k(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done) { switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_SET_CONFIGURATION: return true; default: break; } break; case USB_TYPE_VENDOR: switch (ctrl->bRequest) { case ATH9K_FIRMWARE_DOWNLOAD: return true; case ATH9K_FIRMWARE_DOWNLOAD_COMP: *done = true; return true; default: break; } break; } return false; } #define UDC_NAME_LENGTH_MAX 128 struct usb_raw_init { __u8 driver_name[UDC_NAME_LENGTH_MAX]; __u8 device_name[UDC_NAME_LENGTH_MAX]; __u8 speed; }; enum usb_raw_event_type { USB_RAW_EVENT_INVALID = 0, USB_RAW_EVENT_CONNECT = 1, USB_RAW_EVENT_CONTROL = 2, }; struct usb_raw_event { __u32 type; __u32 length; __u8 data[0]; }; struct usb_raw_ep_io { __u16 ep; __u16 flags; __u32 length; __u8 data[0]; }; #define USB_RAW_EPS_NUM_MAX 30 #define USB_RAW_EP_NAME_MAX 16 #define USB_RAW_EP_ADDR_ANY 0xff struct usb_raw_ep_caps { __u32 type_control : 1; __u32 type_iso : 1; __u32 type_bulk : 1; __u32 type_int : 1; __u32 dir_in : 1; __u32 dir_out : 1; }; struct usb_raw_ep_limits { __u16 maxpacket_limit; __u16 max_streams; __u32 reserved; }; struct usb_raw_ep_info { __u8 name[USB_RAW_EP_NAME_MAX]; __u32 addr; struct usb_raw_ep_caps caps; struct usb_raw_ep_limits limits; }; struct usb_raw_eps_info { struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX]; }; #define USB_RAW_IOCTL_INIT _IOW('U', 0, struct usb_raw_init) #define USB_RAW_IOCTL_RUN _IO('U', 1) #define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event) #define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor) #define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32) #define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_READ _IOWR('U', 8, struct usb_raw_ep_io) #define USB_RAW_IOCTL_CONFIGURE _IO('U', 9) #define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32) #define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info) #define USB_RAW_IOCTL_EP0_STALL _IO('U', 12) #define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32) #define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32) #define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __u32) static int usb_raw_open() { return open("/dev/raw-gadget", O_RDWR); } static int usb_raw_init(int fd, uint32_t speed, const char* driver, const char* device) { struct usb_raw_init arg; strncpy((char*)&arg.driver_name[0], driver, sizeof(arg.driver_name)); strncpy((char*)&arg.device_name[0], device, sizeof(arg.device_name)); arg.speed = speed; return ioctl(fd, USB_RAW_IOCTL_INIT, &arg); } static int usb_raw_run(int fd) { return ioctl(fd, USB_RAW_IOCTL_RUN, 0); } static int usb_raw_configure(int fd) { return ioctl(fd, USB_RAW_IOCTL_CONFIGURE, 0); } static int usb_raw_vbus_draw(int fd, uint32_t power) { return ioctl(fd, USB_RAW_IOCTL_VBUS_DRAW, power); } static int usb_raw_ep0_write(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_WRITE, io); } static int usb_raw_ep0_read(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_READ, io); } static int usb_raw_event_fetch(int fd, struct usb_raw_event* event) { return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event); } static int usb_raw_ep_enable(int fd, struct usb_endpoint_descriptor* desc) { return ioctl(fd, USB_RAW_IOCTL_EP_ENABLE, desc); } static int usb_raw_ep_disable(int fd, int ep) { return ioctl(fd, USB_RAW_IOCTL_EP_DISABLE, ep); } static int usb_raw_ep0_stall(int fd) { return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 0); } #define USB_MAX_PACKET_SIZE 4096 struct usb_raw_control_event { struct usb_raw_event inner; struct usb_ctrlrequest ctrl; char data[USB_MAX_PACKET_SIZE]; }; struct usb_raw_ep_io_data { struct usb_raw_ep_io inner; char data[USB_MAX_PACKET_SIZE]; }; static void set_interface(int fd, int n) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return; if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) { int rv = usb_raw_ep_disable(fd, index->ifaces[index->iface_cur].eps[ep].handle); if (rv < 0) { } else { } } } if (n >= 0 && n < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[n].eps_num; ep++) { int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep].desc); if (rv < 0) { } else { index->ifaces[n].eps[ep].handle = rv; } } index->iface_cur = n; } } static int configure_device(int fd) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return -1; int rv = usb_raw_vbus_draw(fd, index->bMaxPower); if (rv < 0) { return rv; } rv = usb_raw_configure(fd); if (rv < 0) { return rv; } set_interface(fd, 0); return 0; } static volatile long syz_usb_connect_impl(uint64_t speed, uint64_t dev_len, const char* dev, const struct vusb_connect_descriptors* descs, lookup_connect_out_response_t lookup_connect_response_out) { if (!dev) { return -1; } int fd = usb_raw_open(); if (fd < 0) { return fd; } if (fd >= MAX_FDS) { close(fd); return -1; } struct usb_device_index* index = add_usb_index(fd, dev, dev_len); if (!index) { return -1; } char device[32]; sprintf(&device[0], "dummy_udc.%llu", procid); int rv = usb_raw_init(fd, speed, "dummy_udc", &device[0]); if (rv < 0) { return rv; } rv = usb_raw_run(fd); if (rv < 0) { return rv; } bool done = false; while (!done) { struct usb_raw_control_event event; event.inner.type = 0; event.inner.length = sizeof(event.ctrl); rv = usb_raw_event_fetch(fd, (struct usb_raw_event*)&event); if (rv < 0) { return rv; } if (event.inner.type != USB_RAW_EVENT_CONTROL) continue; char* response_data = NULL; uint32_t response_length = 0; struct usb_qualifier_descriptor qual; if (event.ctrl.bRequestType & USB_DIR_IN) { if (!lookup_connect_response_in(fd, descs, &event.ctrl, &qual, &response_data, &response_length)) { usb_raw_ep0_stall(fd); continue; } } else { if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) { usb_raw_ep0_stall(fd); continue; } response_data = NULL; response_length = event.ctrl.wLength; } if ((event.ctrl.bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD && event.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) { rv = configure_device(fd); if (rv < 0) { return rv; } } struct usb_raw_ep_io_data response; response.inner.ep = 0; response.inner.flags = 0; if (response_length > sizeof(response.data)) response_length = 0; if (event.ctrl.wLength < response_length) response_length = event.ctrl.wLength; response.inner.length = response_length; if (response_data) memcpy(&response.data[0], response_data, response_length); else memset(&response.data[0], 0, response_length); if (event.ctrl.bRequestType & USB_DIR_IN) { rv = usb_raw_ep0_write(fd, (struct usb_raw_ep_io*)&response); } else { rv = usb_raw_ep0_read(fd, (struct usb_raw_ep_io*)&response); } if (rv < 0) { return rv; } } sleep_ms(200); return fd; } static volatile long syz_usb_connect_ath9k(volatile long a0, volatile long a1, volatile long a2, volatile long a3) { uint64_t speed = a0; uint64_t dev_len = a1; const char* dev = (const char*)a2; const struct vusb_connect_descriptors* descs = (const struct vusb_connect_descriptors*)a3; return syz_usb_connect_impl(speed, dev_len, dev, descs, &lookup_connect_response_out_ath9k); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} *(uint8_t*)0x200000000000 = 0x12; *(uint8_t*)0x200000000001 = 1; *(uint16_t*)0x200000000002 = 0x200; *(uint8_t*)0x200000000004 = -1; *(uint8_t*)0x200000000005 = -1; *(uint8_t*)0x200000000006 = -1; *(uint8_t*)0x200000000007 = 0x40; *(uint16_t*)0x200000000008 = 0xcf3; *(uint16_t*)0x20000000000a = 0x9271; *(uint16_t*)0x20000000000c = 0x108; *(uint8_t*)0x20000000000e = 1; *(uint8_t*)0x20000000000f = 2; *(uint8_t*)0x200000000010 = 3; *(uint8_t*)0x200000000011 = 1; *(uint8_t*)0x200000000012 = 9; *(uint8_t*)0x200000000013 = 2; *(uint16_t*)0x200000000014 = 0x48; *(uint8_t*)0x200000000016 = 1; *(uint8_t*)0x200000000017 = 1; *(uint8_t*)0x200000000018 = 0; *(uint8_t*)0x200000000019 = 0x80; *(uint8_t*)0x20000000001a = 0xfa; *(uint8_t*)0x20000000001b = 9; *(uint8_t*)0x20000000001c = 4; *(uint8_t*)0x20000000001d = 0; *(uint8_t*)0x20000000001e = 0; *(uint8_t*)0x20000000001f = 6; *(uint8_t*)0x200000000020 = -1; *(uint8_t*)0x200000000021 = 0; *(uint8_t*)0x200000000022 = 0; *(uint8_t*)0x200000000023 = 0; *(uint8_t*)0x200000000024 = 9; *(uint8_t*)0x200000000025 = 5; *(uint8_t*)0x200000000026 = 1; *(uint8_t*)0x200000000027 = 2; *(uint16_t*)0x200000000028 = 0x200; *(uint8_t*)0x20000000002a = 0; *(uint8_t*)0x20000000002b = 0; *(uint8_t*)0x20000000002c = 0; *(uint8_t*)0x20000000002d = 9; *(uint8_t*)0x20000000002e = 5; *(uint8_t*)0x20000000002f = 0x82; *(uint8_t*)0x200000000030 = 2; *(uint16_t*)0x200000000031 = 0x200; *(uint8_t*)0x200000000033 = 0; *(uint8_t*)0x200000000034 = 0; *(uint8_t*)0x200000000035 = 0; *(uint8_t*)0x200000000036 = 9; *(uint8_t*)0x200000000037 = 5; *(uint8_t*)0x200000000038 = 0x83; *(uint8_t*)0x200000000039 = 3; *(uint16_t*)0x20000000003a = 0x40; *(uint8_t*)0x20000000003c = 1; *(uint8_t*)0x20000000003d = 0; *(uint8_t*)0x20000000003e = 0; *(uint8_t*)0x20000000003f = 9; *(uint8_t*)0x200000000040 = 5; *(uint8_t*)0x200000000041 = 4; *(uint8_t*)0x200000000042 = 3; *(uint16_t*)0x200000000043 = 0x40; *(uint8_t*)0x200000000045 = 1; *(uint8_t*)0x200000000046 = 0; *(uint8_t*)0x200000000047 = 0; *(uint8_t*)0x200000000048 = 9; *(uint8_t*)0x200000000049 = 5; *(uint8_t*)0x20000000004a = 5; *(uint8_t*)0x20000000004b = 2; *(uint16_t*)0x20000000004c = 0x200; *(uint8_t*)0x20000000004e = 0; *(uint8_t*)0x20000000004f = 0; *(uint8_t*)0x200000000050 = 0; *(uint8_t*)0x200000000051 = 9; *(uint8_t*)0x200000000052 = 5; *(uint8_t*)0x200000000053 = 6; *(uint8_t*)0x200000000054 = 2; *(uint16_t*)0x200000000055 = 0x200; *(uint8_t*)0x200000000057 = 0; *(uint8_t*)0x200000000058 = 0; *(uint8_t*)0x200000000059 = 0; syz_usb_connect_ath9k(/*speed=*/3, /*dev_len=*/0x5a, /*dev=*/0x200000000000, /*conn_descs=*/0); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor118010243 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_usb_ep_read (0.15s) csource_test.go:148: opts: {Threaded:false Repeat:false RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = syz_usb_connect$cdc_ecm(0x0, 0x68, &(0x7f0000000000)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x56, 0x1, 0x1, 0x70, 0x40, 0x6, [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x2, 0x6, 0x0, 0xff, {{0xa, 0x24, 0x6, 0x0, 0x0, "b9abdd73c1"}, {0x5, 0x24, 0x0, 0x2}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x8, 0x9, 0x2}, [@network_terminal={0x7, 0x24, 0xa, 0x5, 0x3, 0x3, 0x7}, @ncm={0x6, 0x24, 0x1a, 0x6, 0x20}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x400, 0xc, 0x3, 0xc}}], {{0x9, 0x5, 0x82, 0x2, 0x8, 0x0, 0x5, 0x3}}, {{0x9, 0x5, 0x3, 0x2, 0x8, 0x8, 0x9, 0x44}}}}}]}}]}}, &(0x7f00000001c0)={0xa, &(0x7f0000000080)={0xa, 0x6, 0x0, 0xde, 0x7, 0x4, 0xff, 0x81}, 0xb, &(0x7f00000000c0)={0x5, 0xf, 0xb, 0x2, [@ptm_cap={0x3}, @ptm_cap={0x3}]}, 0x1, [{0xa6, &(0x7f0000000100)=@string={0xa6, 0x3, "af10b6abc38921d8df0b4a6c5cb68601838a630777b013561d3b83dd31dfc913024c54a4df9632dd015638485dc8caf7b7f1295dd2d74ca8b5f8e1380e65af52a640b249c6f246aa33f684e7ffe7898a2d14e5084c36f773df509a73b89a83af68616d54adf439f1b61c8b8d82308ad7721fc19b0e4c21069ebdc50a4d593dd4d578e0b1bf8fd00c63784582a4e3e5ff5385fde946eb37f8f843655336246f25743f686e"}}]}) syz_usb_ep_read(r0, 0x9, 0x61, &(0x7f0000000200)=""/97) csource_test.go:149: failed to build program: // 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 #ifndef __NR_mmap #define __NR_mmap 5009 #endif static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } #define MAX_FDS 30 #define USB_MAX_IFACE_NUM 4 #define USB_MAX_EP_NUM 32 #define USB_MAX_FDS 6 struct usb_endpoint_index { struct usb_endpoint_descriptor desc; int handle; }; struct usb_iface_index { struct usb_interface_descriptor* iface; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bInterfaceClass; struct usb_endpoint_index eps[USB_MAX_EP_NUM]; int eps_num; }; struct usb_device_index { struct usb_device_descriptor* dev; struct usb_config_descriptor* config; uint8_t bDeviceClass; uint8_t bMaxPower; int config_length; struct usb_iface_index ifaces[USB_MAX_IFACE_NUM]; int ifaces_num; int iface_cur; }; struct usb_info { int fd; struct usb_device_index index; }; static struct usb_info usb_devices[USB_MAX_FDS]; static struct usb_device_index* lookup_usb_index(int fd) { for (int i = 0; i < USB_MAX_FDS; i++) { if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd) return &usb_devices[i].index; } return NULL; } static int usb_devices_num; static bool parse_usb_descriptor(const char* buffer, size_t length, struct usb_device_index* index) { if (length < sizeof(*index->dev) + sizeof(*index->config)) return false; memset(index, 0, sizeof(*index)); index->dev = (struct usb_device_descriptor*)buffer; index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev)); index->bDeviceClass = index->dev->bDeviceClass; index->bMaxPower = index->config->bMaxPower; index->config_length = length - sizeof(*index->dev); index->iface_cur = -1; size_t offset = 0; while (true) { if (offset + 1 >= length) break; uint8_t desc_length = buffer[offset]; uint8_t desc_type = buffer[offset + 1]; if (desc_length <= 2) break; if (offset + desc_length > length) break; if (desc_type == USB_DT_INTERFACE && index->ifaces_num < USB_MAX_IFACE_NUM) { struct usb_interface_descriptor* iface = (struct usb_interface_descriptor*)(buffer + offset); index->ifaces[index->ifaces_num].iface = iface; index->ifaces[index->ifaces_num].bInterfaceNumber = iface->bInterfaceNumber; index->ifaces[index->ifaces_num].bAlternateSetting = iface->bAlternateSetting; index->ifaces[index->ifaces_num].bInterfaceClass = iface->bInterfaceClass; index->ifaces_num++; } if (desc_type == USB_DT_ENDPOINT && index->ifaces_num > 0) { struct usb_iface_index* iface = &index->ifaces[index->ifaces_num - 1]; if (iface->eps_num < USB_MAX_EP_NUM) { memcpy(&iface->eps[iface->eps_num].desc, buffer + offset, sizeof(iface->eps[iface->eps_num].desc)); iface->eps_num++; } } offset += desc_length; } return true; } static struct usb_device_index* add_usb_index(int fd, const char* dev, size_t dev_len) { int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED); if (i >= USB_MAX_FDS) return NULL; if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index)) return NULL; __atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE); return &usb_devices[i].index; } struct vusb_connect_string_descriptor { uint32_t len; char* str; } __attribute__((packed)); struct vusb_connect_descriptors { uint32_t qual_len; char* qual; uint32_t bos_len; char* bos; uint32_t strs_len; struct vusb_connect_string_descriptor strs[0]; } __attribute__((packed)); static const char default_string[] = { 8, USB_DT_STRING, 's', 0, 'y', 0, 'z', 0 }; static const char default_lang_id[] = { 4, USB_DT_STRING, 0x09, 0x04 }; static bool lookup_connect_response_in(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, struct usb_qualifier_descriptor* qual, char** response_data, uint32_t* response_length) { struct usb_device_index* index = lookup_usb_index(fd); uint8_t str_idx; if (!index) return false; switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_GET_DESCRIPTOR: switch (ctrl->wValue >> 8) { case USB_DT_DEVICE: *response_data = (char*)index->dev; *response_length = sizeof(*index->dev); return true; case USB_DT_CONFIG: *response_data = (char*)index->config; *response_length = index->config_length; return true; case USB_DT_STRING: str_idx = (uint8_t)ctrl->wValue; if (descs && str_idx < descs->strs_len) { *response_data = descs->strs[str_idx].str; *response_length = descs->strs[str_idx].len; return true; } if (str_idx == 0) { *response_data = (char*)&default_lang_id[0]; *response_length = default_lang_id[0]; return true; } *response_data = (char*)&default_string[0]; *response_length = default_string[0]; return true; case USB_DT_BOS: *response_data = descs->bos; *response_length = descs->bos_len; return true; case USB_DT_DEVICE_QUALIFIER: if (!descs->qual) { qual->bLength = sizeof(*qual); qual->bDescriptorType = USB_DT_DEVICE_QUALIFIER; qual->bcdUSB = index->dev->bcdUSB; qual->bDeviceClass = index->dev->bDeviceClass; qual->bDeviceSubClass = index->dev->bDeviceSubClass; qual->bDeviceProtocol = index->dev->bDeviceProtocol; qual->bMaxPacketSize0 = index->dev->bMaxPacketSize0; qual->bNumConfigurations = index->dev->bNumConfigurations; qual->bRESERVED = 0; *response_data = (char*)qual; *response_length = sizeof(*qual); return true; } *response_data = descs->qual; *response_length = descs->qual_len; return true; default: break; } break; default: break; } break; default: break; } return false; } typedef bool (*lookup_connect_out_response_t)(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done); static bool lookup_connect_response_out_generic(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done) { switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_SET_CONFIGURATION: *done = true; return true; default: break; } break; } return false; } #define UDC_NAME_LENGTH_MAX 128 struct usb_raw_init { __u8 driver_name[UDC_NAME_LENGTH_MAX]; __u8 device_name[UDC_NAME_LENGTH_MAX]; __u8 speed; }; enum usb_raw_event_type { USB_RAW_EVENT_INVALID = 0, USB_RAW_EVENT_CONNECT = 1, USB_RAW_EVENT_CONTROL = 2, }; struct usb_raw_event { __u32 type; __u32 length; __u8 data[0]; }; struct usb_raw_ep_io { __u16 ep; __u16 flags; __u32 length; __u8 data[0]; }; #define USB_RAW_EPS_NUM_MAX 30 #define USB_RAW_EP_NAME_MAX 16 #define USB_RAW_EP_ADDR_ANY 0xff struct usb_raw_ep_caps { __u32 type_control : 1; __u32 type_iso : 1; __u32 type_bulk : 1; __u32 type_int : 1; __u32 dir_in : 1; __u32 dir_out : 1; }; struct usb_raw_ep_limits { __u16 maxpacket_limit; __u16 max_streams; __u32 reserved; }; struct usb_raw_ep_info { __u8 name[USB_RAW_EP_NAME_MAX]; __u32 addr; struct usb_raw_ep_caps caps; struct usb_raw_ep_limits limits; }; struct usb_raw_eps_info { struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX]; }; #define USB_RAW_IOCTL_INIT _IOW('U', 0, struct usb_raw_init) #define USB_RAW_IOCTL_RUN _IO('U', 1) #define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event) #define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor) #define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32) #define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_READ _IOWR('U', 8, struct usb_raw_ep_io) #define USB_RAW_IOCTL_CONFIGURE _IO('U', 9) #define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32) #define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info) #define USB_RAW_IOCTL_EP0_STALL _IO('U', 12) #define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32) #define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32) #define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __u32) static int usb_raw_open() { return open("/dev/raw-gadget", O_RDWR); } static int usb_raw_init(int fd, uint32_t speed, const char* driver, const char* device) { struct usb_raw_init arg; strncpy((char*)&arg.driver_name[0], driver, sizeof(arg.driver_name)); strncpy((char*)&arg.device_name[0], device, sizeof(arg.device_name)); arg.speed = speed; return ioctl(fd, USB_RAW_IOCTL_INIT, &arg); } static int usb_raw_run(int fd) { return ioctl(fd, USB_RAW_IOCTL_RUN, 0); } static int usb_raw_ep_read(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP_READ, io); } static int usb_raw_configure(int fd) { return ioctl(fd, USB_RAW_IOCTL_CONFIGURE, 0); } static int usb_raw_vbus_draw(int fd, uint32_t power) { return ioctl(fd, USB_RAW_IOCTL_VBUS_DRAW, power); } static int usb_raw_ep0_write(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_WRITE, io); } static int usb_raw_ep0_read(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_READ, io); } static int usb_raw_event_fetch(int fd, struct usb_raw_event* event) { return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event); } static int usb_raw_ep_enable(int fd, struct usb_endpoint_descriptor* desc) { return ioctl(fd, USB_RAW_IOCTL_EP_ENABLE, desc); } static int usb_raw_ep_disable(int fd, int ep) { return ioctl(fd, USB_RAW_IOCTL_EP_DISABLE, ep); } static int usb_raw_ep0_stall(int fd) { return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 0); } static int lookup_endpoint(int fd, uint8_t bEndpointAddress) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return -1; if (index->iface_cur < 0) return -1; for (int ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) if (index->ifaces[index->iface_cur].eps[ep].desc.bEndpointAddress == bEndpointAddress) return index->ifaces[index->iface_cur].eps[ep].handle; return -1; } #define USB_MAX_PACKET_SIZE 4096 struct usb_raw_control_event { struct usb_raw_event inner; struct usb_ctrlrequest ctrl; char data[USB_MAX_PACKET_SIZE]; }; struct usb_raw_ep_io_data { struct usb_raw_ep_io inner; char data[USB_MAX_PACKET_SIZE]; }; static void set_interface(int fd, int n) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return; if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) { int rv = usb_raw_ep_disable(fd, index->ifaces[index->iface_cur].eps[ep].handle); if (rv < 0) { } else { } } } if (n >= 0 && n < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[n].eps_num; ep++) { int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep].desc); if (rv < 0) { } else { index->ifaces[n].eps[ep].handle = rv; } } index->iface_cur = n; } } static int configure_device(int fd) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return -1; int rv = usb_raw_vbus_draw(fd, index->bMaxPower); if (rv < 0) { return rv; } rv = usb_raw_configure(fd); if (rv < 0) { return rv; } set_interface(fd, 0); return 0; } static volatile long syz_usb_connect_impl(uint64_t speed, uint64_t dev_len, const char* dev, const struct vusb_connect_descriptors* descs, lookup_connect_out_response_t lookup_connect_response_out) { if (!dev) { return -1; } int fd = usb_raw_open(); if (fd < 0) { return fd; } if (fd >= MAX_FDS) { close(fd); return -1; } struct usb_device_index* index = add_usb_index(fd, dev, dev_len); if (!index) { return -1; } char device[32]; sprintf(&device[0], "dummy_udc.%llu", procid); int rv = usb_raw_init(fd, speed, "dummy_udc", &device[0]); if (rv < 0) { return rv; } rv = usb_raw_run(fd); if (rv < 0) { return rv; } bool done = false; while (!done) { struct usb_raw_control_event event; event.inner.type = 0; event.inner.length = sizeof(event.ctrl); rv = usb_raw_event_fetch(fd, (struct usb_raw_event*)&event); if (rv < 0) { return rv; } if (event.inner.type != USB_RAW_EVENT_CONTROL) continue; char* response_data = NULL; uint32_t response_length = 0; struct usb_qualifier_descriptor qual; if (event.ctrl.bRequestType & USB_DIR_IN) { if (!lookup_connect_response_in(fd, descs, &event.ctrl, &qual, &response_data, &response_length)) { usb_raw_ep0_stall(fd); continue; } } else { if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) { usb_raw_ep0_stall(fd); continue; } response_data = NULL; response_length = event.ctrl.wLength; } if ((event.ctrl.bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD && event.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) { rv = configure_device(fd); if (rv < 0) { return rv; } } struct usb_raw_ep_io_data response; response.inner.ep = 0; response.inner.flags = 0; if (response_length > sizeof(response.data)) response_length = 0; if (event.ctrl.wLength < response_length) response_length = event.ctrl.wLength; response.inner.length = response_length; if (response_data) memcpy(&response.data[0], response_data, response_length); else memset(&response.data[0], 0, response_length); if (event.ctrl.bRequestType & USB_DIR_IN) { rv = usb_raw_ep0_write(fd, (struct usb_raw_ep_io*)&response); } else { rv = usb_raw_ep0_read(fd, (struct usb_raw_ep_io*)&response); } if (rv < 0) { return rv; } } sleep_ms(200); return fd; } static volatile long syz_usb_connect(volatile long a0, volatile long a1, volatile long a2, volatile long a3) { uint64_t speed = a0; uint64_t dev_len = a1; const char* dev = (const char*)a2; const struct vusb_connect_descriptors* descs = (const struct vusb_connect_descriptors*)a3; return syz_usb_connect_impl(speed, dev_len, dev, descs, &lookup_connect_response_out_generic); } static volatile long syz_usb_ep_read(volatile long a0, volatile long a1, volatile long a2, volatile long a3) { int fd = a0; uint8_t ep = a1; uint32_t len = a2; char* data = (char*)a3; int ep_handle = lookup_endpoint(fd, ep); if (ep_handle < 0) { return -1; } struct usb_raw_ep_io_data io_data; io_data.inner.ep = ep_handle; io_data.inner.flags = 0; if (len > sizeof(io_data.data)) len = sizeof(io_data.data); io_data.inner.length = len; int rv = usb_raw_ep_read(fd, (struct usb_raw_ep_io*)&io_data); if (rv < 0) { return rv; } memcpy(&data[0], &io_data.data[0], io_data.inner.length); sleep_ms(200); return 0; } uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|0x2*/0x812ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} *(uint8_t*)0x200000000000 = 0x12; *(uint8_t*)0x200000000001 = 1; *(uint16_t*)0x200000000002 = 0x250; *(uint8_t*)0x200000000004 = 2; *(uint8_t*)0x200000000005 = 0; *(uint8_t*)0x200000000006 = 0; *(uint8_t*)0x200000000007 = -1; *(uint16_t*)0x200000000008 = 0x525; *(uint16_t*)0x20000000000a = 0xa4a1; *(uint16_t*)0x20000000000c = 0x40; *(uint8_t*)0x20000000000e = 1; *(uint8_t*)0x20000000000f = 2; *(uint8_t*)0x200000000010 = 3; *(uint8_t*)0x200000000011 = 1; *(uint8_t*)0x200000000012 = 9; *(uint8_t*)0x200000000013 = 2; *(uint16_t*)0x200000000014 = 0x56; *(uint8_t*)0x200000000016 = 1; *(uint8_t*)0x200000000017 = 1; *(uint8_t*)0x200000000018 = 0x70; *(uint8_t*)0x200000000019 = 0x40; *(uint8_t*)0x20000000001a = 6; *(uint8_t*)0x20000000001b = 9; *(uint8_t*)0x20000000001c = 4; *(uint8_t*)0x20000000001d = 0; *(uint8_t*)0x20000000001e = 0; *(uint8_t*)0x20000000001f = 2; *(uint8_t*)0x200000000020 = 2; *(uint8_t*)0x200000000021 = 6; *(uint8_t*)0x200000000022 = 0; *(uint8_t*)0x200000000023 = -1; *(uint8_t*)0x200000000024 = 0xa; *(uint8_t*)0x200000000025 = 0x24; *(uint8_t*)0x200000000026 = 6; *(uint8_t*)0x200000000027 = 0; *(uint8_t*)0x200000000028 = 0; memcpy((void*)0x200000000029, "\xb9\xab\xdd\x73\xc1", 5); *(uint8_t*)0x20000000002e = 5; *(uint8_t*)0x20000000002f = 0x24; *(uint8_t*)0x200000000030 = 0; *(uint16_t*)0x200000000031 = 2; *(uint8_t*)0x200000000033 = 0xd; *(uint8_t*)0x200000000034 = 0x24; *(uint8_t*)0x200000000035 = 0xf; *(uint8_t*)0x200000000036 = 1; *(uint32_t*)0x200000000037 = 3; *(uint16_t*)0x20000000003b = 8; *(uint16_t*)0x20000000003d = 9; *(uint8_t*)0x20000000003f = 2; *(uint8_t*)0x200000000040 = 7; *(uint8_t*)0x200000000041 = 0x24; *(uint8_t*)0x200000000042 = 0xa; *(uint8_t*)0x200000000043 = 5; *(uint8_t*)0x200000000044 = 3; *(uint8_t*)0x200000000045 = 3; *(uint8_t*)0x200000000046 = 7; *(uint8_t*)0x200000000047 = 6; *(uint8_t*)0x200000000048 = 0x24; *(uint8_t*)0x200000000049 = 0x1a; *(uint16_t*)0x20000000004a = 6; *(uint8_t*)0x20000000004c = 0x20; *(uint8_t*)0x20000000004d = 9; *(uint8_t*)0x20000000004e = 5; *(uint8_t*)0x20000000004f = 0x81; *(uint8_t*)0x200000000050 = 3; *(uint16_t*)0x200000000051 = 0x400; *(uint8_t*)0x200000000053 = 0xc; *(uint8_t*)0x200000000054 = 3; *(uint8_t*)0x200000000055 = 0xc; *(uint8_t*)0x200000000056 = 9; *(uint8_t*)0x200000000057 = 5; *(uint8_t*)0x200000000058 = 0x82; *(uint8_t*)0x200000000059 = 2; *(uint16_t*)0x20000000005a = 8; *(uint8_t*)0x20000000005c = 0; *(uint8_t*)0x20000000005d = 5; *(uint8_t*)0x20000000005e = 3; *(uint8_t*)0x20000000005f = 9; *(uint8_t*)0x200000000060 = 5; *(uint8_t*)0x200000000061 = 3; *(uint8_t*)0x200000000062 = 2; *(uint16_t*)0x200000000063 = 8; *(uint8_t*)0x200000000065 = 8; *(uint8_t*)0x200000000066 = 9; *(uint8_t*)0x200000000067 = 0x44; *(uint32_t*)0x2000000001c0 = 0xa; *(uint64_t*)0x2000000001c4 = 0x200000000080; *(uint8_t*)0x200000000080 = 0xa; *(uint8_t*)0x200000000081 = 6; *(uint16_t*)0x200000000082 = 0; *(uint8_t*)0x200000000084 = 0xde; *(uint8_t*)0x200000000085 = 7; *(uint8_t*)0x200000000086 = 4; *(uint8_t*)0x200000000087 = -1; *(uint8_t*)0x200000000088 = 0x81; *(uint8_t*)0x200000000089 = 0; *(uint32_t*)0x2000000001cc = 0xb; *(uint64_t*)0x2000000001d0 = 0x2000000000c0; *(uint8_t*)0x2000000000c0 = 5; *(uint8_t*)0x2000000000c1 = 0xf; *(uint16_t*)0x2000000000c2 = 0xb; *(uint8_t*)0x2000000000c4 = 2; *(uint8_t*)0x2000000000c5 = 3; *(uint8_t*)0x2000000000c6 = 0x10; *(uint8_t*)0x2000000000c7 = 0xb; *(uint8_t*)0x2000000000c8 = 3; *(uint8_t*)0x2000000000c9 = 0x10; *(uint8_t*)0x2000000000ca = 0xb; *(uint32_t*)0x2000000001d8 = 1; *(uint32_t*)0x2000000001dc = 0xa6; *(uint64_t*)0x2000000001e0 = 0x200000000100; *(uint8_t*)0x200000000100 = 0xa6; *(uint8_t*)0x200000000101 = 3; memcpy((void*)0x200000000102, "\xaf\x10\xb6\xab\xc3\x89\x21\xd8\xdf\x0b\x4a\x6c\x5c\xb6\x86\x01\x83\x8a\x63\x07\x77\xb0\x13\x56\x1d\x3b\x83\xdd\x31\xdf\xc9\x13\x02\x4c\x54\xa4\xdf\x96\x32\xdd\x01\x56\x38\x48\x5d\xc8\xca\xf7\xb7\xf1\x29\x5d\xd2\xd7\x4c\xa8\xb5\xf8\xe1\x38\x0e\x65\xaf\x52\xa6\x40\xb2\x49\xc6\xf2\x46\xaa\x33\xf6\x84\xe7\xff\xe7\x89\x8a\x2d\x14\xe5\x08\x4c\x36\xf7\x73\xdf\x50\x9a\x73\xb8\x9a\x83\xaf\x68\x61\x6d\x54\xad\xf4\x39\xf1\xb6\x1c\x8b\x8d\x82\x30\x8a\xd7\x72\x1f\xc1\x9b\x0e\x4c\x21\x06\x9e\xbd\xc5\x0a\x4d\x59\x3d\xd4\xd5\x78\xe0\xb1\xbf\x8f\xd0\x0c\x63\x78\x45\x82\xa4\xe3\xe5\xff\x53\x85\xfd\xe9\x46\xeb\x37\xf8\xf8\x43\x65\x53\x36\x24\x6f\x25\x74\x3f\x68\x6e", 164); res = -1; res = syz_usb_connect(/*speed=*/0, /*dev_len=*/0x68, /*dev=*/0x200000000000, /*conn_descs=*/0x2000000001c0); if (res != -1) r[0] = res; syz_usb_ep_read(/*fd=*/r[0], /*ep=*/9, /*len=*/0x61, /*data=*/0x200000000200); return 0; } compiler invocation: mips64el-linux-gnuabi64-gcc [-o /tmp/syz-executor3147672690 -DGOOS_linux=1 -DGOARCH_mips64le=1 -DHOSTGOOS_linux=1 -x c - -march=mips64r2 -mabi=64 -EL -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie] --- FAIL: TestGenerate/linux/mips64le/single_syz_io_uring_complete (0.21s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_io_uring_submit (0.17s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_init_net_socket (0.21s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_clone3 (0.21s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_mount_image (0.27s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_pidfd_open (0.24s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_memcpy_off (0.28s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_clone (0.24s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_emit_ethernet (0.24s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_80211_inject_frame (0.30s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_usb_connect (0.30s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_kvm_setup_cpu (0.24s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_usb_ep_write (0.25s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_io_uring_setup (0.25s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_socket_connect_nvme_tcp (0.26s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_btf_id_by_name (0.26s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_fuse_handle_req (0.30s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_genetlink_get_family_id (0.33s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_open_pts (0.29s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_usb_control_io (0.30s) csource_test.go:146: --- FAIL: TestGenerate/linux/mips64le/single_syz_extract_tcp_res (0.72s) csource_test.go:146: FAIL FAIL github.com/google/syzkaller/pkg/csource 35.972s ok github.com/google/syzkaller/pkg/db (cached) ? github.com/google/syzkaller/pkg/debugtracer [no test files] ? github.com/google/syzkaller/pkg/declextract [no test files] ok github.com/google/syzkaller/pkg/email (cached) ok github.com/google/syzkaller/pkg/email/lore (cached) ok github.com/google/syzkaller/pkg/flatrpc (cached) ok github.com/google/syzkaller/pkg/fuzzer 21.465s ok github.com/google/syzkaller/pkg/fuzzer/queue (cached) ok github.com/google/syzkaller/pkg/gce (cached) ? github.com/google/syzkaller/pkg/gcpsecret [no test files] ? github.com/google/syzkaller/pkg/gcs [no test files] ? github.com/google/syzkaller/pkg/gcs/mocks [no test files] ? github.com/google/syzkaller/pkg/hash [no test files] ? github.com/google/syzkaller/pkg/html [no test files] ok github.com/google/syzkaller/pkg/html/pages (cached) ok github.com/google/syzkaller/pkg/html/urlutil (cached) ? github.com/google/syzkaller/pkg/ifaceprobe [no test files] ok github.com/google/syzkaller/pkg/ifuzz (cached) ok github.com/google/syzkaller/pkg/ifuzz/arm64 (cached) ? github.com/google/syzkaller/pkg/ifuzz/arm64/gen [no test files] ? github.com/google/syzkaller/pkg/ifuzz/arm64/generated [no test files] ? github.com/google/syzkaller/pkg/ifuzz/iset [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc/generated [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86 [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/gen [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/generated [no test files] ok github.com/google/syzkaller/pkg/image (cached) ok github.com/google/syzkaller/pkg/instance 6.095s ? github.com/google/syzkaller/pkg/kcidb [no test files] ok github.com/google/syzkaller/pkg/kconfig (cached) ? github.com/google/syzkaller/pkg/kcov [no test files] ok github.com/google/syzkaller/pkg/kd (cached) ok github.com/google/syzkaller/pkg/kfuzztest (cached) ? github.com/google/syzkaller/pkg/kfuzztest-executor [no test files] ? github.com/google/syzkaller/pkg/kfuzztest-manager [no test files] ok github.com/google/syzkaller/pkg/log (cached) ok github.com/google/syzkaller/pkg/manager 7.475s ok github.com/google/syzkaller/pkg/mgrconfig (cached) ok github.com/google/syzkaller/pkg/osutil (cached) ok github.com/google/syzkaller/pkg/report (cached) ? github.com/google/syzkaller/pkg/report/crash [no test files] ok github.com/google/syzkaller/pkg/repro 10.913s ok github.com/google/syzkaller/pkg/rpcserver 15.607s ? github.com/google/syzkaller/pkg/rpcserver/mocks [no test files] ? github.com/google/syzkaller/pkg/rpctype [no test files] ok github.com/google/syzkaller/pkg/runtest 37.302s ok github.com/google/syzkaller/pkg/serializer (cached) ok github.com/google/syzkaller/pkg/signal (cached) ok github.com/google/syzkaller/pkg/stat (cached) ok github.com/google/syzkaller/pkg/stat/sample (cached) ? github.com/google/syzkaller/pkg/stat/syzbotstats [no test files] ok github.com/google/syzkaller/pkg/subsystem (cached) ok github.com/google/syzkaller/pkg/subsystem/linux (cached) ok github.com/google/syzkaller/pkg/subsystem/lists (cached) ok github.com/google/syzkaller/pkg/symbolizer (cached) ? github.com/google/syzkaller/pkg/testutil [no test files] ok github.com/google/syzkaller/pkg/tool (cached) ok github.com/google/syzkaller/pkg/validator (cached) ok github.com/google/syzkaller/pkg/vcs (cached) ok github.com/google/syzkaller/pkg/vminfo (cached) ok github.com/google/syzkaller/prog (cached) ok github.com/google/syzkaller/prog/test (cached) ? github.com/google/syzkaller/sys [no test files] ? github.com/google/syzkaller/sys/darwin [no test files] ? github.com/google/syzkaller/sys/freebsd [no test files] ? github.com/google/syzkaller/sys/fuchsia [no test files] ? github.com/google/syzkaller/sys/fuchsia/fidlgen [no test files] ? github.com/google/syzkaller/sys/fuchsia/layout [no test files] ? github.com/google/syzkaller/sys/generated [no test files] ok github.com/google/syzkaller/sys/linux (cached) ok github.com/google/syzkaller/sys/netbsd (cached) ok github.com/google/syzkaller/sys/openbsd (cached) ? github.com/google/syzkaller/sys/syz-extract [no test files] ? github.com/google/syzkaller/sys/syz-sysgen [no test files] ? github.com/google/syzkaller/sys/targets [no test files] ? github.com/google/syzkaller/sys/test [no test files] ? github.com/google/syzkaller/sys/trusty [no test files] ? github.com/google/syzkaller/sys/windows [no test files] ok github.com/google/syzkaller/syz-ci 9.140s ok github.com/google/syzkaller/syz-cluster/controller (cached) ok github.com/google/syzkaller/syz-cluster/dashboard (cached) ok github.com/google/syzkaller/syz-cluster/email-reporter (cached) ? github.com/google/syzkaller/syz-cluster/pkg/api [no test files] ? github.com/google/syzkaller/syz-cluster/pkg/app [no test files] ok github.com/google/syzkaller/syz-cluster/pkg/blob (cached) ok github.com/google/syzkaller/syz-cluster/pkg/controller (cached) ok github.com/google/syzkaller/syz-cluster/pkg/db (cached) ok github.com/google/syzkaller/syz-cluster/pkg/emailclient (cached) ok github.com/google/syzkaller/syz-cluster/pkg/fuzzconfig (cached) ok github.com/google/syzkaller/syz-cluster/pkg/report (cached) ok github.com/google/syzkaller/syz-cluster/pkg/reporter (cached) ? github.com/google/syzkaller/syz-cluster/pkg/service [no test files] ok github.com/google/syzkaller/syz-cluster/pkg/triage (cached) ? github.com/google/syzkaller/syz-cluster/pkg/workflow [no test files] ? github.com/google/syzkaller/syz-cluster/reporter-server [no test files] ok github.com/google/syzkaller/syz-cluster/series-tracker (cached) ? github.com/google/syzkaller/syz-cluster/tools/db-mgmt [no test files] ? github.com/google/syzkaller/syz-cluster/tools/send-test-email [no test files] ? github.com/google/syzkaller/syz-cluster/workflow/boot-step [no test files] ? github.com/google/syzkaller/syz-cluster/workflow/build-step [no test files] ok github.com/google/syzkaller/syz-cluster/workflow/fuzz-step 6.800s ? github.com/google/syzkaller/syz-cluster/workflow/triage-step [no test files] ok github.com/google/syzkaller/syz-hub (cached) ok github.com/google/syzkaller/syz-hub/state (cached) ? github.com/google/syzkaller/syz-kfuzztest [no test files] ok github.com/google/syzkaller/syz-manager 6.841s ? github.com/google/syzkaller/tools/arm64 [no test files] ? github.com/google/syzkaller/tools/kfuzztest-gen [no test files] ? github.com/google/syzkaller/tools/syz-benchcmp [no test files] ? github.com/google/syzkaller/tools/syz-bisect [no test files] ? github.com/google/syzkaller/tools/syz-build [no test files] ? github.com/google/syzkaller/tools/syz-check [no test files] ? github.com/google/syzkaller/tools/syz-cover [no test files] ? github.com/google/syzkaller/tools/syz-covermerger [no test files] ? github.com/google/syzkaller/tools/syz-crush [no test files] ok github.com/google/syzkaller/tools/syz-db (cached) ? github.com/google/syzkaller/tools/syz-db-export [no test files] ok github.com/google/syzkaller/tools/syz-declextract 6.828s ? github.com/google/syzkaller/tools/syz-diff [no test files] ? github.com/google/syzkaller/tools/syz-execprog [no test files] ? github.com/google/syzkaller/tools/syz-expand [no test files] ? github.com/google/syzkaller/tools/syz-fillreports [no test files] ? github.com/google/syzkaller/tools/syz-fix-analyzer [no test files] ? github.com/google/syzkaller/tools/syz-fmt [no test files] ? github.com/google/syzkaller/tools/syz-gemini-seed [no test files] ? github.com/google/syzkaller/tools/syz-hubtool [no test files] ok github.com/google/syzkaller/tools/syz-imagegen (cached) ? github.com/google/syzkaller/tools/syz-kcidb [no test files] ok github.com/google/syzkaller/tools/syz-kconf (cached) ok github.com/google/syzkaller/tools/syz-linter (cached) ? github.com/google/syzkaller/tools/syz-lore [no test files] ? github.com/google/syzkaller/tools/syz-make [no test files] ? github.com/google/syzkaller/tools/syz-minconfig [no test files] ? github.com/google/syzkaller/tools/syz-mutate [no test files] ? github.com/google/syzkaller/tools/syz-prog2c [no test files] ? github.com/google/syzkaller/tools/syz-query-subsystems [no test files] ? github.com/google/syzkaller/tools/syz-reporter [no test files] ? github.com/google/syzkaller/tools/syz-repro [no test files] ? github.com/google/syzkaller/tools/syz-showprio [no test files] ? github.com/google/syzkaller/tools/syz-symbolize [no test files] ok github.com/google/syzkaller/tools/syz-testbed 3.970s ? github.com/google/syzkaller/tools/syz-testbuild [no test files] ? github.com/google/syzkaller/tools/syz-trace2syz [no test files] ok github.com/google/syzkaller/tools/syz-trace2syz/parser (cached) ok github.com/google/syzkaller/tools/syz-trace2syz/proggen (cached) ? github.com/google/syzkaller/tools/syz-tty [no test files] ? github.com/google/syzkaller/tools/syz-upgrade [no test files] ? github.com/google/syzkaller/tools/syz-usbgen [no test files] ok github.com/google/syzkaller/vm (cached) ? github.com/google/syzkaller/vm/adb [no test files] ? github.com/google/syzkaller/vm/bhyve [no test files] ? github.com/google/syzkaller/vm/cuttlefish [no test files] ok github.com/google/syzkaller/vm/dispatcher (cached) ? github.com/google/syzkaller/vm/gce [no test files] ? github.com/google/syzkaller/vm/gvisor [no test files] ok github.com/google/syzkaller/vm/isolated (cached) ok github.com/google/syzkaller/vm/proxyapp (cached) ? github.com/google/syzkaller/vm/proxyapp/mocks [no test files] ? github.com/google/syzkaller/vm/proxyapp/proxyrpc [no test files] ? github.com/google/syzkaller/vm/qemu [no test files] ? github.com/google/syzkaller/vm/starnix [no test files] ok github.com/google/syzkaller/vm/vmimpl (cached) ? github.com/google/syzkaller/vm/vmm [no test files] ? github.com/google/syzkaller/vm/vmware [no test files] FAIL