? github.com/google/syzkaller/dashboard/dashapi [no test files] ok github.com/google/syzkaller/dashboard/app (cached) ? 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] ? 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] ? github.com/google/syzkaller/pkg/rpctype [no test files] ? github.com/google/syzkaller/pkg/signal [no test files] ? github.com/google/syzkaller/pkg/testutil [no test files] ? github.com/google/syzkaller/pkg/tools [no test files] ? 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/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/freebsd [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/gen [no test files] ? github.com/google/syzkaller/sys/trusty [no test files] ? github.com/google/syzkaller/sys/test [no test files] ? github.com/google/syzkaller/sys/trusty/gen [no test files] ? github.com/google/syzkaller/sys/windows [no test files] ? github.com/google/syzkaller/sys/windows/gen [no test files] ok github.com/google/syzkaller/executor 2.454s ok github.com/google/syzkaller/pkg/asset (cached) ok github.com/google/syzkaller/pkg/ast 0.707s ok github.com/google/syzkaller/pkg/auth (cached) ok github.com/google/syzkaller/pkg/bisect (cached) ? 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] ? 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/starnix [no test files] ? github.com/google/syzkaller/vm/qemu [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/pkg/build 6.111s ok github.com/google/syzkaller/pkg/compiler 2.991s ok github.com/google/syzkaller/pkg/config (cached) ok github.com/google/syzkaller/pkg/cover (cached) ok github.com/google/syzkaller/pkg/cover/backend (cached) --- FAIL: TestGenerate (15.19s) --- FAIL: TestGenerate/fuchsia/amd64 (0.15s) testutil.go:33: seed=1686320945880118649 testutil.go:33: seed=1686320946028663894 --- FAIL: TestGenerate/fuchsia/amd64/10 (0.24s) 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 UseTmpDir:false HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); do_sandbox_none(); return 0; } :258:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2015527949 -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 (0.21s) 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :270:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2692757378 -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 (0.38s) 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :270:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor237538065 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/3 (0.38s) csource_test.go:150: opts: {Threaded:true Repeat:true RepeatTimes:10 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :270:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor731972866 -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 (0.38s) 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 UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :272:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor886727093 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/0 (0.38s) 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_one(void) { intptr_t res = 0; inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); syz_future_time(0); syz_job_default(); syz_mmap(0x20ffc000, 0x1000); syz_process_self(); syz_thread_self(); syz_vmar_root_self(); } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :135:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3254177127 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/9 (0.25s) csource_test.go: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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :270:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2110822324 -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 (0.19s) 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); for (procid = 0; procid < 4; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :272:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2547065273 -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 (0.12s) 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 UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); loop(); return 0; } :264:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor863684526 -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 (0.13s) csource_test.go:150: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: zx_vmo_set_cache_policy(0x0, 0x1) (fail_nth: 1) zx_vcpu_enter(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, @interrupt}) (async) zx_vcpu_read_state(0x0, 0xcf24, &(0x7f0000000040)="22e687a83d10debbba47fc3412319017b3516f9a53d1b49a74f4feb3fa8a226342df08c28b748534deeaeea4933dd5e1f28e872036fc42cdbe518d6a20", 0x3d) (rerun: 4) zx_object_get_info$ZX_INFO_THREAD_EXCEPTION_REPORT(0x0, 0x1000000b, &(0x7f0000000080), 0x20, &(0x7f00000000c0), &(0x7f0000000100)) zx_clock_get_details(0x0, 0x400000000000000, &(0x7f0000000140)={0x0, 0x0}) zx_channel_call$fuchsia_process_ResolverResolve(0x0, 0x0, r0, &(0x7f0000010280)={&(0x7f00000001c0)={{}, {0x8000, 0xffffffffffffffff}, {'!*'}}, &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000010240)={0x0, 0x0}, 0x28, 0x0, 0x10000, 0x2}, &(0x7f00000102c0), &(0x7f0000010300)) zx_channel_call$fuchsia_io_DirectoryGetToken(0x0, 0x0, r0, &(0x7f0000020400)={&(0x7f0000010340), &(0x7f0000010380), &(0x7f00000103c0), &(0x7f00000203c0)={0x0}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000020440), &(0x7f0000020480)) zx_handle_close_many(&(0x7f00000204c0)=[r1, r1, r1, r2, r2, r3, r1], 0x7) r4 = zx_deadline_after(0x101) zx_channel_call$fuchsia_io_DirectoryDescribe(r3, 0x0, r4, &(0x7f00000305c0)={&(0x7f0000020500), &(0x7f0000020540), &(0x7f0000020580), &(0x7f0000030580)={@tty}, 0x10, 0x0, 0x10000, 0x1}, &(0x7f0000030600), &(0x7f0000030640)) syz_execute_func(&(0x7f0000000000)="3e0f7036ffc441e5f612f247a743b944e684d4f2400f2b4646d910c4027991bc5965566666c4231d38da4b64dbe1c46147d06000") 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[5] = {0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vmo_set_cache_policy))(0, 1); break; case 1: ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); break; case 2: memcpy((void*)0x20000040, "\x22\xe6\x87\xa8\x3d\x10\xde\xbb\xba\x47\xfc\x34\x12\x31\x90\x17\xb3\x51\x6f\x9a\x53\xd1\xb4\x9a\x74\xf4\xfe\xb3\xfa\x8a\x22\x63\x42\xdf\x08\xc2\x8b\x74\x85\x34\xde\xea\xee\xa4\x93\x3d\xd5\xe1\xf2\x8e\x87\x20\x36\xfc\x42\xcd\xbe\x51\x8d\x6a\x20", 61); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vcpu_read_state))(0, 0xcf24, 0x20000040, 0x3d); } } break; case 3: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_info))(0, 0x1000000b, 0x20000080, 0x20, 0x200000c0, 0x20000100); break; case 4: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_clock_get_details))(0, 0x400000000000000, 0x20000140); if (res == ZX_OK) r[0] = *(uint64_t*)0x20000148; break; case 5: *(uint64_t*)0x20010280 = 0x200001c0; *(uint32_t*)0x200001c0 = 0; memset((void*)0x200001c4, 0, 3); *(uint8_t*)0x200001c7 = 1; *(uint64_t*)0x200001c8 = 0x20980a8100000000; *(uint64_t*)0x200001d0 = 0x8000; *(uint64_t*)0x200001d8 = -1; memcpy((void*)0x200001e0, "!*", 2); *(uint64_t*)0x20010288 = 0x20000200; *(uint64_t*)0x20010290 = 0x20000240; *(uint64_t*)0x20010298 = 0x20010240; *(uint32_t*)0x200102a0 = 0x28; *(uint32_t*)0x200102a4 = 0; *(uint32_t*)0x200102a8 = 0x10000; *(uint32_t*)0x200102ac = 2; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20010280, 0x200102c0, 0x20010300); if (res == ZX_OK) { r[1] = *(uint32_t*)0x20010240; r[2] = *(uint32_t*)0x20010244; } break; case 6: *(uint64_t*)0x20020400 = 0x20010340; *(uint32_t*)0x20010340 = 0; memset((void*)0x20010344, 0, 3); *(uint8_t*)0x20010347 = 1; *(uint64_t*)0x20010348 = 0x3217bced00000000; *(uint64_t*)0x20020408 = 0x20010380; *(uint64_t*)0x20020410 = 0x200103c0; *(uint64_t*)0x20020418 = 0x200203c0; *(uint32_t*)0x20020420 = 0x10; *(uint32_t*)0x20020424 = 0; *(uint32_t*)0x20020428 = 0x10000; *(uint32_t*)0x2002042c = 1; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(0, 0, r[0], 0x20020400, 0x20020440, 0x20020480); if (res == ZX_OK) r[3] = *(uint32_t*)0x200203c0; break; case 7: *(uint32_t*)0x200204c0 = r[1]; *(uint32_t*)0x200204c4 = r[1]; *(uint32_t*)0x200204c8 = r[1]; *(uint32_t*)0x200204cc = r[2]; *(uint32_t*)0x200204d0 = r[2]; *(uint32_t*)0x200204d4 = r[3]; *(uint32_t*)0x200204d8 = r[1]; ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_handle_close_many))(0x200204c0, 7); break; case 8: res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(0x101); if (res == ZX_OK) r[4] = res; break; case 9: *(uint64_t*)0x200305c0 = 0x20020500; *(uint32_t*)0x20020500 = 0; memset((void*)0x20020504, 0, 3); *(uint8_t*)0x20020507 = 1; *(uint64_t*)0x20020508 = 0x1f62df5e00000000; *(uint64_t*)0x200305c8 = 0x20020540; *(uint64_t*)0x200305d0 = 0x20020580; *(uint64_t*)0x200305d8 = 0x20030580; *(uint32_t*)0x200305e0 = 0x10; *(uint32_t*)0x200305e4 = 0; *(uint32_t*)0x200305e8 = 0x10000; *(uint32_t*)0x200305ec = 1; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[4], 0x200305c0, 0x20030600, 0x20030640); break; case 10: memcpy((void*)0x20000000, "\x3e\x0f\x70\x36\xff\xc4\x41\xe5\xf6\x12\xf2\x47\xa7\x43\xb9\x44\xe6\x84\xd4\xf2\x40\x0f\x2b\x46\x46\xd9\x10\xc4\x02\x79\x91\xbc\x59\x65\x56\x66\x66\xc4\x23\x1d\x38\xda\x4b\x64\xdb\xe1\xc4\x61\x47\xd0\x60\x00", 52); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffc000, 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(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :270:39: error: use of undeclared identifier 'zx_vcpu_enter' ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_vcpu_enter))(0, 0x20000000); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3195541647 -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 (0.12s) csource_test.go:148: --- FAIL: TestGenerate/fuchsia/amd64/13 (0.11s) csource_test.go:148: --- FAIL: TestGenerate/fuchsia/amd64/2 (0.11s) csource_test.go:148: --- FAIL: TestGenerate/fuchsia/amd64/1 (0.12s) csource_test.go:148: FAIL FAIL github.com/google/syzkaller/pkg/csource 17.223s ok github.com/google/syzkaller/pkg/db (cached) ok github.com/google/syzkaller/pkg/email (cached) ok github.com/google/syzkaller/pkg/email/lore (cached) ok github.com/google/syzkaller/pkg/host (cached) ok github.com/google/syzkaller/pkg/html (cached) ok github.com/google/syzkaller/pkg/ifuzz (cached) ok github.com/google/syzkaller/pkg/image (cached) ok github.com/google/syzkaller/pkg/instance (cached) ok github.com/google/syzkaller/pkg/ipc (cached) ok github.com/google/syzkaller/pkg/kconfig 0.503s ok github.com/google/syzkaller/pkg/kd (cached) ok github.com/google/syzkaller/pkg/log (cached) ok github.com/google/syzkaller/pkg/mgrconfig (cached) ok github.com/google/syzkaller/pkg/osutil (cached) ok github.com/google/syzkaller/pkg/report (cached) ok github.com/google/syzkaller/pkg/repro 2.585s ok github.com/google/syzkaller/pkg/runtest (cached) ok github.com/google/syzkaller/pkg/serializer (cached) ok github.com/google/syzkaller/pkg/stats (cached) ok github.com/google/syzkaller/pkg/subsystem (cached) ok github.com/google/syzkaller/pkg/subsystem/linux (cached) ok github.com/google/syzkaller/pkg/subsystem/lists (cached) ok github.com/google/syzkaller/pkg/symbolizer (cached) ok github.com/google/syzkaller/pkg/tool (cached) ok github.com/google/syzkaller/pkg/vcs (cached) ok github.com/google/syzkaller/prog (cached) ok github.com/google/syzkaller/prog/test (cached) ok github.com/google/syzkaller/sys/linux (cached) ok github.com/google/syzkaller/sys/netbsd (cached) ok github.com/google/syzkaller/sys/openbsd (cached) ok github.com/google/syzkaller/syz-ci (cached) ok github.com/google/syzkaller/syz-fuzzer (cached) ok github.com/google/syzkaller/syz-hub (cached) ok github.com/google/syzkaller/syz-hub/state (cached) ok github.com/google/syzkaller/syz-manager 1.561s ok github.com/google/syzkaller/syz-verifier (cached) ok github.com/google/syzkaller/tools/syz-kconf (cached) ok github.com/google/syzkaller/tools/syz-linter (cached) ok github.com/google/syzkaller/tools/syz-trace2syz/parser (cached) ok github.com/google/syzkaller/tools/syz-trace2syz/proggen (cached) ok github.com/google/syzkaller/vm (cached) ok github.com/google/syzkaller/vm/isolated (cached) ok github.com/google/syzkaller/vm/proxyapp (cached) ok github.com/google/syzkaller/vm/vmimpl (cached) FAIL