ok github.com/google/syzkaller/dashboard/app 0.283s ? github.com/google/syzkaller/dashboard/dashapi [no test files] ok github.com/google/syzkaller/executor 11.258s ok github.com/google/syzkaller/pkg/asset (cached) ok github.com/google/syzkaller/pkg/ast 3.553s ok github.com/google/syzkaller/pkg/auth (cached) ok github.com/google/syzkaller/pkg/bisect 33.790s ok github.com/google/syzkaller/pkg/build 16.491s ok github.com/google/syzkaller/pkg/compiler 11.895s ok github.com/google/syzkaller/pkg/config (cached) ok github.com/google/syzkaller/pkg/cover 60.158s ok github.com/google/syzkaller/pkg/cover/backend 2.964s --- FAIL: TestGenerate (42.02s) --- FAIL: TestGenerate/fuchsia/amd64 (0.11s) testutil.go:33: seed=1676379603705884064 --- FAIL: TestGenerate/fuchsia/amd64/14 (0.23s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:1 Sandbox:none 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 UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); for (procid = 0; procid < 2; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :328:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2060531220 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/0 (0.24s) csource_test.go:133: opts: {Threaded:false Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_one(void) { intptr_t res = 0; inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); syz_future_time(1); syz_job_default(); syz_mmap(0x20ffc000, 0x2000); syz_process_self(); syz_thread_self(); syz_vmar_root_self(); } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :179:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3874887302 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/7 (0.23s) csource_test.go:133: opts: {Threaded:true Repeat:true 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); loop(); return 0; } :318:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2713117248 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/13 (0.26s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none 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 UseTmpDir:true HandleSegv:false Repro:false Trace:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { fprintf(stderr, "### start\n"); int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); fprintf(stderr, "### call=0 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); fprintf(stderr, "### call=1 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 2: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); fprintf(stderr, "### call=2 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); fprintf(stderr, "### call=3 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 4: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); fprintf(stderr, "### call=4 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); fprintf(stderr, "### call=5 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 6: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); fprintf(stderr, "### call=6 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); fprintf(stderr, "### call=7 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 8: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); fprintf(stderr, "### call=8 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); fprintf(stderr, "### call=9 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); res = -1; errno = EFAULT; res = syz_execute_func(0x20000000); fprintf(stderr, "### call=10 errno=%u\n", res == -1 ? errno : 0); break; case 11: res = -1; errno = EFAULT; res = syz_future_time(1); fprintf(stderr, "### call=11 errno=%u\n", res == -1 ? errno : 0); break; case 12: res = -1; errno = EFAULT; res = syz_job_default(); fprintf(stderr, "### call=12 errno=%u\n", res == -1 ? errno : 0); break; case 13: res = -1; errno = EFAULT; res = syz_mmap(0x20ffc000, 0x2000); fprintf(stderr, "### call=13 errno=%u\n", res == -1 ? errno : 0); break; case 14: res = -1; errno = EFAULT; res = syz_process_self(); fprintf(stderr, "### call=14 errno=%u\n", res == -1 ? errno : 0); break; case 15: res = -1; errno = EFAULT; res = syz_thread_self(); fprintf(stderr, "### call=15 errno=%u\n", res == -1 ? errno : 0); break; case 16: res = -1; errno = EFAULT; res = syz_vmar_root_self(); fprintf(stderr, "### call=16 errno=%u\n", res == -1 ? errno : 0); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :342:45: error: use of undeclared identifier 'zx_vcpu_enter' res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3676561063 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/10 (0.26s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none 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 UseTmpDir:false HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); do_sandbox_none(); return 0; } :312:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2316481047 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/12 (0.26s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none 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 UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :326:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2347634270 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/9 (0.25s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:9223372036854775807 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :324:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1045731916 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/4 (0.28s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :324:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1692800488 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/6 (0.30s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:10 Sandbox:none 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 500); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :324:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3391988547 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/8 (0.32s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:-9223372036854775808 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_channel_read_etc(0x0, 0x42a9, &(0x7f0000000000)=""/10, &(0x7f0000000040)=[{0x0}], 0xa, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) (fail_nth: 1) zx_channel_call$fuchsia_io_DirectoryAdminRewind(r0, 0x0, 0x0, &(0x7f00000101c0)={&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180), &(0x7f0000010180), 0x10, 0x0, 0x10000}, &(0x7f0000010200), &(0x7f0000010240)) (async) zx_object_get_info$ZX_INFO_HANDLE_TABLE(r0, 0x1b, &(0x7f0000010280)={0x0, 0x0}, 0x28, &(0x7f00000102c0), &(0x7f0000010300)) (rerun: 4) zx_channel_call$fuchsia_io_FileClose(r1, 0x0, 0x0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0), 0x10, 0x0, 0x10000}, &(0x7f0000020440), &(0x7f0000020480)) zx_system_get_event(r1, 0x1, &(0x7f00000204c0)=0x0) zx_exception_get_thread(r2, &(0x7f0000020500)) zx_vcpu_enter(r0, &(0x7f0000020540)={0x0, 0x0, 0x0, @page_request}) zx_channel_call$fuchsia_io_DirectoryAdminNodeSetFlags(r0, 0x0, 0x0, &(0x7f0000030640)={&(0x7f0000020580)={{}, 0x3}, &(0x7f00000205c0), &(0x7f0000020600), &(0x7f0000030600), 0x14, 0x0, 0x10000}, &(0x7f0000030680), &(0x7f00000306c0)) zx_event_create$VALID_OPTIONS(0x0, &(0x7f0000030700)=0x0) zx_vmo_create_contiguous(r3, 0xffffffff7fffffff, 0xffffffff, &(0x7f0000030740)) syz_execute_func(&(0x7f0000000000)="3ef00fab08c403e5cf43000b2ef046114cb222c482797816c4a1c9755100c4227d0fa43844d30000d88c2132233333c40279201340dbe466420f61e4") syz_future_time(0x1) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: 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 static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[4] = {0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_read_etc))(0, 0x42a9, 0x20000000, 0x20000040, 0xa, 1, 0x20000080, 0x200000c0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000040; break; case 1: *(uint64_t*)0x200101c0 = 0x20000100; *(uint32_t*)0x20000100 = 0; memset((void*)0x20000104, 0, 3); *(uint8_t*)0x20000107 = 1; *(uint64_t*)0x20000108 = 0x7072fd8700000000; *(uint64_t*)0x200101c8 = 0x20000140; *(uint64_t*)0x200101d0 = 0x20000180; *(uint64_t*)0x200101d8 = 0x20010180; *(uint32_t*)0x200101e0 = 0x10; *(uint32_t*)0x200101e4 = 0; *(uint32_t*)0x200101e8 = 0x10000; *(uint32_t*)0x200101ec = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x200101c0, 0x20010200, 0x20010240); break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(r[0], 0x1b, 0x20010280, 0x28, 0x200102c0, 0x20010300); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x20010284; break; case 3: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x52b9568700000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[1], 0, 0, 0x20020400, 0x20020440, 0x20020480); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_system_get_event))(r[1], 1, 0x200204c0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200204c0; break; case 5: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_thread))(r[2], 0x20020500); break; case 6: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); break; case 7: *(uint64_t*)0x20030640 = 0x20020580; *(uint32_t*)0x20020580 = 0; memset((void*)0x20020584, 0, 3); *(uint8_t*)0x20020587 = 1; *(uint64_t*)0x20020588 = 0x46940c1600000000; *(uint32_t*)0x20020590 = 3; *(uint64_t*)0x20030648 = 0x200205c0; *(uint64_t*)0x20030650 = 0x20020600; *(uint64_t*)0x20030658 = 0x20030600; *(uint32_t*)0x20030660 = 0x14; *(uint32_t*)0x20030664 = 0; *(uint32_t*)0x20030668 = 0x10000; *(uint32_t*)0x2003066c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[0], 0, 0, 0x20030640, 0x20030680, 0x200306c0); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_event_create))(0, 0x20030700); if (res == ZX_OK) r[3] = *(uint32_t*)0x20030700; break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(r[3], 0xffffffff7fffffff, -1, 0x20030740); break; case 10: memcpy((void*)0x20000000, "\x3e\xf0\x0f\xab\x08\xc4\x03\xe5\xcf\x43\x00\x0b\x2e\xf0\x46\x11\x4c\xb2\x22\xc4\x82\x79\x78\x16\xc4\xa1\xc9\x75\x51\x00\xc4\x22\x7d\x0f\xa4\x38\x44\xd3\x00\x00\xd8\x8c\x21\x32\x23\x33\x33\xc4\x02\x79\x20\x13\x40\xdb\xe4\x66\x42\x0f\x61\xe4", 60); syz_execute_func(0x20000000); break; case 11: syz_future_time(1); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :324:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(r[0], 0x20020540); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3179210025 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/3 (0.22s) csource_test.go:131: --- FAIL: TestGenerate/fuchsia/amd64/2 (0.32s) csource_test.go:131: --- FAIL: TestGenerate/fuchsia/amd64/5 (0.34s) csource_test.go:131: --- FAIL: TestGenerate/fuchsia/amd64/1 (0.20s) csource_test.go:131: FAIL FAIL github.com/google/syzkaller/pkg/csource 56.858s ok github.com/google/syzkaller/pkg/db (cached) ? github.com/google/syzkaller/pkg/debugtracer [no test files] ok github.com/google/syzkaller/pkg/email (cached) ? github.com/google/syzkaller/pkg/gce [no test files] ? github.com/google/syzkaller/pkg/gcs [no test files] ? github.com/google/syzkaller/pkg/hash [no test files] ok github.com/google/syzkaller/pkg/host 36.112s ? github.com/google/syzkaller/pkg/html [no test files] ? github.com/google/syzkaller/pkg/html/pages [no test files] ok github.com/google/syzkaller/pkg/ifuzz (cached) ? 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 10.754s ok github.com/google/syzkaller/pkg/instance 11.153s ok github.com/google/syzkaller/pkg/ipc 67.175s ? github.com/google/syzkaller/pkg/ipc/ipcconfig [no test files] ? github.com/google/syzkaller/pkg/kcidb [no test files] ok github.com/google/syzkaller/pkg/kconfig 2.657s ok github.com/google/syzkaller/pkg/kd (cached) ok github.com/google/syzkaller/pkg/log (cached) ok github.com/google/syzkaller/pkg/mgrconfig 9.572s ok github.com/google/syzkaller/pkg/osutil (cached) ok github.com/google/syzkaller/pkg/report 54.524s ok github.com/google/syzkaller/pkg/repro 9.031s ? github.com/google/syzkaller/pkg/rpctype [no test files] ok github.com/google/syzkaller/pkg/runtest 118.148s ok github.com/google/syzkaller/pkg/serializer (cached) ? github.com/google/syzkaller/pkg/signal [no test files] ok github.com/google/syzkaller/pkg/stats (cached) ok github.com/google/syzkaller/pkg/subsystem (cached) ok github.com/google/syzkaller/pkg/subsystem/legacy (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) ? github.com/google/syzkaller/pkg/tools [no test files] ok github.com/google/syzkaller/pkg/vcs (cached) ok github.com/google/syzkaller/prog 42.437s ok github.com/google/syzkaller/prog/test (cached) ? github.com/google/syzkaller/sys [no test files] ? github.com/google/syzkaller/sys/akaros [no test files] ? github.com/google/syzkaller/sys/akaros/gen [no test files] ? github.com/google/syzkaller/sys/darwin [no test files] ? github.com/google/syzkaller/sys/darwin/gen [no test files] ? github.com/google/syzkaller/sys/freebsd [no test files] ? github.com/google/syzkaller/sys/freebsd/gen [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/gen [no test files] ? github.com/google/syzkaller/sys/fuchsia/layout [no test files] ok github.com/google/syzkaller/sys/linux 0.216s ? github.com/google/syzkaller/sys/linux/gen [no test files] ? github.com/google/syzkaller/sys/netbsd [no test files] ? github.com/google/syzkaller/sys/netbsd/gen [no test files] ok github.com/google/syzkaller/sys/openbsd (cached) ? github.com/google/syzkaller/sys/openbsd/gen [no test files] ? 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/test/gen [no test files] ? github.com/google/syzkaller/sys/trusty [no test files] ? github.com/google/syzkaller/sys/trusty/gen [no test files] ? github.com/google/syzkaller/sys/windows [no test files] ? github.com/google/syzkaller/sys/windows/gen [no test files] ok github.com/google/syzkaller/syz-ci 10.234s ok github.com/google/syzkaller/syz-fuzzer 2.544s ok github.com/google/syzkaller/syz-hub 0.086s ok github.com/google/syzkaller/syz-hub/state 0.292s ok github.com/google/syzkaller/syz-manager 10.374s ? github.com/google/syzkaller/syz-runner [no test files] ok github.com/google/syzkaller/syz-verifier 8.830s ? 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-crush [no test files] ? github.com/google/syzkaller/tools/syz-db [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-fmt [no test files] ? github.com/google/syzkaller/tools/syz-hubtool [no test files] ? github.com/google/syzkaller/tools/syz-imagegen [no test files] ? 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-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-reprolist [no test files] ? github.com/google/syzkaller/tools/syz-runtest [no test files] ? github.com/google/syzkaller/tools/syz-showprio [no test files] ? github.com/google/syzkaller/tools/syz-stress [no test files] ? github.com/google/syzkaller/tools/syz-symbolize [no test files] ? github.com/google/syzkaller/tools/syz-testbed [no test files] ? 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 0.053s ok github.com/google/syzkaller/tools/syz-trace2syz/proggen 1.512s ? 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 17.265s ? 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] ? 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 8.860s ? github.com/google/syzkaller/vm/kvm [no test files] ? github.com/google/syzkaller/vm/odroid [no test files] ok github.com/google/syzkaller/vm/proxyapp 12.852s ? 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 9.522s ? github.com/google/syzkaller/vm/vmm [no test files] ? github.com/google/syzkaller/vm/vmware [no test files] FAIL