? github.com/google/syzkaller/dashboard/dashapi [no test files] ok github.com/google/syzkaller/dashboard/app 0.117s ok github.com/google/syzkaller/executor 2.899s ok github.com/google/syzkaller/pkg/asset 0.101s ok github.com/google/syzkaller/pkg/ast 0.894s ok github.com/google/syzkaller/pkg/auth 0.011s ? github.com/google/syzkaller/pkg/debugtracer [no test files] ? 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/bisect 18.444s ok github.com/google/syzkaller/pkg/bisect/minimize 0.076s ok github.com/google/syzkaller/pkg/build 6.460s ok github.com/google/syzkaller/pkg/compiler 4.897s ok github.com/google/syzkaller/pkg/config 0.004s ok github.com/google/syzkaller/pkg/cover 12.492s ok github.com/google/syzkaller/pkg/cover/backend 0.595s ? github.com/google/syzkaller/pkg/html/pages [no test files] ? github.com/google/syzkaller/pkg/ifuzz/iset [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc/generated [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86 [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/gen [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/generated [no test files] ? github.com/google/syzkaller/pkg/ipc/ipcconfig [no test files] ? github.com/google/syzkaller/pkg/kcidb [no test files] --- FAIL: TestGenerate (9.71s) --- FAIL: TestGenerate/fuchsia/amd64 (0.07s) testutil.go:33: seed=1700661228370359496 testutil.go:33: seed=1700661228439193995 --- FAIL: TestGenerate/fuchsia/amd64/0 (0.51s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); syz_future_time(/*when=*/0); syz_job_default(); syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); syz_process_self(); syz_thread_self(); syz_vmar_root_self(); } int main(void) { syz_mmap(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :134:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2922029806 -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/amd64/14 (0.31s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); for (procid = 0; procid < 2; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :271:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1198947783 -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 (0.28s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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))CAST(zx_vcpu_kick))(/*handle=*/0); fprintf(stderr, "### call=0 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 1: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); fprintf(stderr, "### call=1 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); 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_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); fprintf(stderr, "### call=3 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); fprintf(stderr, "### call=4 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 5: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); fprintf(stderr, "### call=5 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); fprintf(stderr, "### call=6 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); fprintf(stderr, "### call=7 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); fprintf(stderr, "### call=8 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 9: *(uint32_t*)0x200207c0 = 0x628; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); fprintf(stderr, "### call=9 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); res = -1; errno = EFAULT; res = syz_execute_func(/*text=*/0x20000000); fprintf(stderr, "### call=10 errno=%u\n", res == -1 ? errno : 0); break; case 11: res = -1; errno = EFAULT; res = syz_future_time(/*when=*/0); 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(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :270:36: error: use of undeclared identifier 'zx_vcpu_kick' res = ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1607230218 -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:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :269:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor645872589 -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 (0.25s) csource_test.go:150: 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 Swap:false UseTmpDir:false HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); do_sandbox_none(); return 0; } :255:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2609094066 -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 (0.23s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :267:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3434193602 -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 (0.24s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :267:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3582889913 -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 (0.25s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); loop(); return 0; } :261:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1756613402 -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 (0.22s) csource_test.go:150: 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :267:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor27139069 -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/amd64/5 (0.22s) csource_test.go:150: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 Swap:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vcpu_kick(0x0) (fail_nth: 1) zx_exception_get_process(0x0, &(0x7f0000000000)=0x0) (async) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, 0x7fffffffffffffff, &(0x7f0000010100)={&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0), &(0x7f00000100c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000010140), &(0x7f0000010180)) (rerun: 4) zx_object_get_info$ZX_INFO_JOB_CHILDREN(r1, 0x8, &(0x7f00000101c0)=[0x0, 0x0], 0x10, &(0x7f0000010200), &(0x7f0000010240)) fdio_service_connect$fuchsia_process_Launcher(&(0x7f0000010280), r1) zx_channel_create$fuchsia_hardware_ethernet_Device(0x0, &(0x7f00000102c0)=0x0, &(0x7f0000010300)) zx_channel_call(r2, 0x0, 0x7fffffffffffffff, &(0x7f0000010540)={&(0x7f0000010340)="b92ade5ac2ecb9c15dfef74400c1fbbcdf4ba9c3ee7967dc4c24ffc1c99f8e0c38461d3f21230b4d5b4f17defd075c6ac709680eeab32cfe9ef99b9276f42e348533e97a4837fd316c00b039edeabce82296e339c991e096842c639371f249d54a902c7f1e541889cc525b6729c6a66fe8387a88056f9def25703804de18d4f9152d", &(0x7f0000010400)=[r0, r1, r1], &(0x7f0000010440)=""/137, &(0x7f0000010500)=[0x0, 0x0], 0x82, 0x3, 0x89, 0x2}, &(0x7f0000010580), &(0x7f00000105c0)) zx_channel_call$fuchsia_io_DirectoryAdminUnmountNode(r1, 0x0, 0x0, &(0x7f00000206c0)={&(0x7f0000010600), &(0x7f0000010640), &(0x7f0000010680), &(0x7f0000020680)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020700), &(0x7f0000020740)) zx_vmo_create_contiguous(r3, 0x2, 0xffff, &(0x7f0000020780)) zx_futex_wake_handle_close_thread_exit(&(0x7f00000207c0)=0x628, 0x7, 0x7, r1) syz_execute_func(&(0x7f0000000000)="8004c2f9f2460f2a7c733443d80a66450f38f63d5b00000066400f78c52011c4827d18e56645d9f0c4818c5eb163c00000c482b13d785965470f464cd5be") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:151: 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) { 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); ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_exception_get_process))(/*handle=*/0, /*out=*/0x20000000); if (res == ZX_OK) r[0] = *(uint32_t*)0x20000000; break; case 2: *(uint64_t*)0x20010100 = 0x20000040; *(uint32_t*)0x20000040 = 0; memset((void*)0x20000044, 0, 3); *(uint8_t*)0x20000047 = 1; *(uint64_t*)0x20000048 = 0x3217bced00000000; *(uint64_t*)0x20010108 = 0x20000080; *(uint64_t*)0x20010110 = 0x200000c0; *(uint64_t*)0x20010118 = 0x200100c0; *(uint32_t*)0x20010120 = 0x10; *(uint32_t*)0x20010124 = 0; *(uint32_t*)0x20010128 = 0x10000; *(uint32_t*)0x2001012c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/0, /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010100, /*actual_bytes=*/0x20010140, /*actual_handles=*/0x20010180); } } if (res == ZX_OK) r[1] = *(uint32_t*)0x200100c0; break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(/*handle=*/r[1], /*topic=*/8, /*buffer=*/0x200101c0, /*buffer_size=*/0x10, /*actual=*/0x20010200, /*avail=*/0x20010240); break; case 4: memcpy((void*)0x20010280, "/svc/fuchsia.process.Launcher\000", 30); ((intptr_t(*)(intptr_t,intptr_t))CAST(fdio_service_connect))(/*path=*/0x20010280, /*handle=*/r[1]); break; case 5: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_channel_create))(/*options=*/0, /*out0=*/0x200102c0, /*out1=*/0x20010300); if (res == ZX_OK) r[2] = *(uint32_t*)0x200102c0; break; case 6: *(uint64_t*)0x20010540 = 0x20010340; memcpy((void*)0x20010340, "\xb9\x2a\xde\x5a\xc2\xec\xb9\xc1\x5d\xfe\xf7\x44\x00\xc1\xfb\xbc\xdf\x4b\xa9\xc3\xee\x79\x67\xdc\x4c\x24\xff\xc1\xc9\x9f\x8e\x0c\x38\x46\x1d\x3f\x21\x23\x0b\x4d\x5b\x4f\x17\xde\xfd\x07\x5c\x6a\xc7\x09\x68\x0e\xea\xb3\x2c\xfe\x9e\xf9\x9b\x92\x76\xf4\x2e\x34\x85\x33\xe9\x7a\x48\x37\xfd\x31\x6c\x00\xb0\x39\xed\xea\xbc\xe8\x22\x96\xe3\x39\xc9\x91\xe0\x96\x84\x2c\x63\x93\x71\xf2\x49\xd5\x4a\x90\x2c\x7f\x1e\x54\x18\x89\xcc\x52\x5b\x67\x29\xc6\xa6\x6f\xe8\x38\x7a\x88\x05\x6f\x9d\xef\x25\x70\x38\x04\xde\x18\xd4\xf9\x15\x2d", 130); *(uint64_t*)0x20010548 = 0x20010400; *(uint32_t*)0x20010400 = r[0]; *(uint32_t*)0x20010404 = r[1]; *(uint32_t*)0x20010408 = r[1]; *(uint64_t*)0x20010550 = 0x20010440; *(uint64_t*)0x20010558 = 0x20010500; *(uint32_t*)0x20010560 = 0x82; *(uint32_t*)0x20010564 = 3; *(uint32_t*)0x20010568 = 0x89; *(uint32_t*)0x2001056c = 2; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[2], /*options=*/0, /*deadline=*/0x7fffffffffffffff, /*args=*/0x20010540, /*actual_bytes=*/0x20010580, /*actual_handles=*/0x200105c0); break; case 7: *(uint64_t*)0x200206c0 = 0x20010600; *(uint32_t*)0x20010600 = 0; memset((void*)0x20010604, 0, 3); *(uint8_t*)0x20010607 = 1; *(uint64_t*)0x20010608 = 0x16da38a700000000; *(uint64_t*)0x200206c8 = 0x20010640; *(uint64_t*)0x200206d0 = 0x20010680; *(uint64_t*)0x200206d8 = 0x20020680; *(uint32_t*)0x200206e0 = 0x10; *(uint32_t*)0x200206e4 = 0; *(uint32_t*)0x200206e8 = 0x10000; *(uint32_t*)0x200206ec = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(/*handle=*/r[1], /*options=*/0, /*deadline=*/0, /*args=*/0x200206c0, /*actual_bytes=*/0x20020700, /*actual_handles=*/0x20020740); if (res == ZX_OK) r[3] = *(uint32_t*)0x20020680; break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmo_create_contiguous))(/*bti=*/r[3], /*size=*/2, /*alignment_log2=*/0xffff, /*out=*/0x20020780); break; case 9: *(uint32_t*)0x200207c0 = 0x628; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_futex_wake_handle_close_thread_exit))(/*value_ptr=*/0x200207c0, /*wake_count=*/7, /*new_value=*/7, /*close_handle=*/r[1]); break; case 10: memcpy((void*)0x20000000, "\x80\x04\xc2\xf9\xf2\x46\x0f\x2a\x7c\x73\x34\x43\xd8\x0a\x66\x45\x0f\x38\xf6\x3d\x5b\x00\x00\x00\x66\x40\x0f\x78\xc5\x20\x11\xc4\x82\x7d\x18\xe5\x66\x45\xd9\xf0\xc4\x81\x8c\x5e\xb1\x63\xc0\x00\x00\xc4\x82\xb1\x3d\x78\x59\x65\x47\x0f\x46\x4c\xd5\xbe", 62); syz_execute_func(/*text=*/0x20000000); break; case 11: syz_future_time(/*when=*/0); break; case 12: syz_job_default(); break; case 13: syz_mmap(/*addr=*/0x20ffc000, /*len=*/0x1000); 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(/*addr=*/0x20000000, /*len=*/0x1000000); setup_fault(); for (procid = 0; procid < 4; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :269:30: error: use of undeclared identifier 'zx_vcpu_kick' ((intptr_t(*)(intptr_t))CAST(zx_vcpu_kick))(/*handle=*/0); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2161606578 -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 (0.21s) csource_test.go:148: --- FAIL: TestGenerate/fuchsia/amd64/3 (0.22s) csource_test.go:148: --- FAIL: TestGenerate/fuchsia/amd64/1 (0.21s) csource_test.go:148: --- FAIL: TestGenerate/fuchsia/amd64/2 (0.22s) csource_test.go:148: FAIL FAIL github.com/google/syzkaller/pkg/csource 12.717s ok github.com/google/syzkaller/pkg/db 2.407s ok github.com/google/syzkaller/pkg/email 0.021s ok github.com/google/syzkaller/pkg/email/lore 0.013s ? github.com/google/syzkaller/pkg/report/crash [no test files] ? github.com/google/syzkaller/pkg/rpctype [no test files] ? github.com/google/syzkaller/pkg/signal [no test files] ? github.com/google/syzkaller/pkg/stats/syzbotstats [no test files] ? github.com/google/syzkaller/pkg/testutil [no test files] ? github.com/google/syzkaller/pkg/tools [no test files] ok github.com/google/syzkaller/pkg/host 17.738s ok github.com/google/syzkaller/pkg/html 0.011s ok github.com/google/syzkaller/pkg/ifuzz 0.739s ok github.com/google/syzkaller/pkg/image 2.616s ok github.com/google/syzkaller/pkg/instance 3.371s ok github.com/google/syzkaller/pkg/ipc 22.653s ok github.com/google/syzkaller/pkg/kconfig 0.868s ok github.com/google/syzkaller/pkg/kd 0.005s ok github.com/google/syzkaller/pkg/log 0.006s ok github.com/google/syzkaller/pkg/mgrconfig 4.256s ok github.com/google/syzkaller/pkg/osutil 0.183s ok github.com/google/syzkaller/pkg/report 12.546s ok github.com/google/syzkaller/pkg/repro 5.127s ok github.com/google/syzkaller/pkg/runtest 72.263s ok github.com/google/syzkaller/pkg/serializer 0.007s ok github.com/google/syzkaller/pkg/stats 0.009s ok github.com/google/syzkaller/pkg/subsystem 0.015s ok github.com/google/syzkaller/pkg/subsystem/linux 0.030s ok github.com/google/syzkaller/pkg/subsystem/lists 0.351s ok github.com/google/syzkaller/pkg/symbolizer 0.066s ok github.com/google/syzkaller/pkg/tool 0.011s ok github.com/google/syzkaller/pkg/vcs 11.494s ? 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] ? github.com/google/syzkaller/sys/linux/gen [no test files] ? github.com/google/syzkaller/sys/netbsd/gen [no test files] ? 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] ? github.com/google/syzkaller/syz-runner [no test files] ? github.com/google/syzkaller/tools/syz-benchcmp [no test files] ? github.com/google/syzkaller/tools/syz-bisect [no test files] ? github.com/google/syzkaller/tools/syz-build [no test files] ? github.com/google/syzkaller/tools/syz-check [no test files] ? github.com/google/syzkaller/tools/syz-cover [no test files] ? github.com/google/syzkaller/tools/syz-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] ? github.com/google/syzkaller/tools/syz-lore [no test files] ? github.com/google/syzkaller/tools/syz-make [no test files] ? github.com/google/syzkaller/tools/syz-minconfig [no test files] ? github.com/google/syzkaller/tools/syz-mutate [no test files] ? github.com/google/syzkaller/tools/syz-prog2c [no test files] ? github.com/google/syzkaller/tools/syz-query-subsystems [no test files] ? github.com/google/syzkaller/tools/syz-reporter [no test files] ? github.com/google/syzkaller/tools/syz-repro [no test files] ? github.com/google/syzkaller/tools/syz-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] ? 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/prog 15.116s ok github.com/google/syzkaller/prog/test 0.487s ok github.com/google/syzkaller/sys/linux 0.210s ok github.com/google/syzkaller/sys/netbsd 0.027s ok github.com/google/syzkaller/sys/openbsd 0.027s ok github.com/google/syzkaller/syz-ci 2.745s ok github.com/google/syzkaller/syz-fuzzer 0.497s ok github.com/google/syzkaller/syz-hub 0.039s ok github.com/google/syzkaller/syz-hub/state 0.060s ok github.com/google/syzkaller/syz-manager 2.648s ok github.com/google/syzkaller/syz-verifier 2.227s ok github.com/google/syzkaller/tools/syz-kconf 0.010s ok github.com/google/syzkaller/tools/syz-linter 1.587s ok github.com/google/syzkaller/tools/syz-trace2syz/parser 0.015s ok github.com/google/syzkaller/tools/syz-trace2syz/proggen 0.293s ? 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] ? github.com/google/syzkaller/vm/kvm [no test files] ? github.com/google/syzkaller/vm/odroid [no test files] ? 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] ? github.com/google/syzkaller/vm/vmm [no test files] ? github.com/google/syzkaller/vm/vmware [no test files] ok github.com/google/syzkaller/vm 10.183s ok github.com/google/syzkaller/vm/isolated 2.121s ok github.com/google/syzkaller/vm/proxyapp 4.283s ok github.com/google/syzkaller/vm/vmimpl 2.073s FAIL