ok github.com/google/syzkaller/dashboard/app (cached) ? github.com/google/syzkaller/dashboard/dashapi [no test files] ok github.com/google/syzkaller/executor 1.947s ok github.com/google/syzkaller/pkg/asset (cached) ok github.com/google/syzkaller/pkg/ast 1.020s ok github.com/google/syzkaller/pkg/auth (cached) ok github.com/google/syzkaller/pkg/bisect (cached) ok github.com/google/syzkaller/pkg/build (cached) ok github.com/google/syzkaller/pkg/compiler 3.158s 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 (19.99s) --- FAIL: TestGenerate/fuchsia/amd64 (0.09s) testutil.go:33: seed=1675765255088486322 --- FAIL: TestGenerate/fuchsia/amd64/0 (0.31s) csource_test.go:133: opts: {Threaded:false Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_one(void) { intptr_t res = 0; inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); syz_future_time(0); syz_job_default(); syz_mmap(0x20ffe000, 0x2000); syz_process_self(); syz_thread_self(); syz_vmar_root_self(); } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :165:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2153521411 -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 (0.30s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:9223372036854775807 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :304:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor2075644712 -DGOOS_fuchsia=1 -DGOARCH_amd64=1 -DHOSTGOOS_linux=1 -x c - -Wno-deprecated -target x86_64-fuchsia -ldriver -lfdio -lzircon --sysroot /syzkaller/shared/fuchsia/out/x64/zircon_toolchain/obj/zircon/public/sysroot/sysroot -I /syzkaller/shared/fuchsia/sdk/lib/fdio/include -I /syzkaller/shared/fuchsia/zircon/system/ulib/fidl/include -I /syzkaller/shared/fuchsia/src/lib/ddk/include -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.device.manager -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.nand -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.power.statecontrol -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/sdk/fidl/fuchsia.hardware.usb.peripheral -I /syzkaller/shared/fuchsia/out/x64/fidling/gen/zircon/vdso/zx -L /syzkaller/shared/fuchsia/out/x64/x64-shared -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-command-line-argument] --- FAIL: TestGenerate/fuchsia/amd64/10 (0.30s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:false HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); do_sandbox_none(); return 0; } :292:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1283249318 -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 (0.30s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); for (procid = 0; procid < 2; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :308:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1557637963 -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 (0.30s) csource_test.go:133: 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: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { 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[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); for (procid = 0; procid < 4; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :306:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3932198873 -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 (0.31s) csource_test.go:131: --- FAIL: TestGenerate/fuchsia/amd64/8 (0.31s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:-9223372036854775808 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :304:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor4172962834 -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 (0.31s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 500); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :304:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor932620219 -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/amd64/1 (0.31s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :304:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor3500059806 -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/amd64/2 (0.31s) csource_test.go:133: opts: {Threaded:true Repeat:false 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: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void loop(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); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :298:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor566660702 -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 (0.31s) csource_test.go:131: --- FAIL: TestGenerate/fuchsia/amd64/13 (0.30s) csource_test.go:131: --- FAIL: TestGenerate/fuchsia/amd64/12 (0.31s) csource_test.go:133: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:true HandleSegv:false Repro:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = zx_deadline_after(0xffffffffffffffff) (fail_nth: 1) zx_port_create(0x0, &(0x7f0000000080)=0x0) (async) zx_vmar_allocate(0x0, 0x8, 0x1d, 0xffff, &(0x7f00000000c0)=0x0, &(0x7f0000000100)) (rerun: 4) zx_channel_call_etc(0x0, 0x3f, r0, &(0x7f00000002c0)={&(0x7f0000000000)="bd73423232b011c0253cbc26e9a6cc9b341787e90961e685cc6e42c81252b82816397ecf3a8bb5da1c08a2cae5389d4d5598c9ff3a06ad30cca14bc8afbb51028a9decf7d5ef9266ae8a2cee174463dc8075055d812fa9758927", &(0x7f0000000140)=[r1, 0x0, r2], &(0x7f0000000180)=""/205, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5a, 0x3, 0xcd, 0x5}, &(0x7f0000000300), &(0x7f0000000340)) zx_guest_set_trap$ZX_GUEST_TRAP_BELL(0x0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r4, 0x3) zx_channel_call$fuchsia_cobalt_MetricEventLoggerLogString(r3, 0x0, r0, &(0x7f0000010480)={&(0x7f0000000380)={{}, 0x101, {0x6, 0xffffffffffffffff}, {0x3, 0xffffffffffffffff}, {'^(-'}, [0x1, 0x10001, 0x0, 0x0]}, &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000010440), 0x4c, 0x0, 0x10000}, &(0x7f00000104c0), &(0x7f0000010500)) zx_channel_call$fuchsia_cobalt_LoggerBaseLogMemoryUsage(r5, 0x0, 0x0, &(0x7f0000020600)={&(0x7f0000010540)={{}, 0x46a, 0x0, {0x6, 0xffffffffffffffff}, 0x2, {')!.+,!.%\xf8'}}, &(0x7f0000010580), &(0x7f00000105c0), &(0x7f00000205c0), 0x40, 0x0, 0x10000}, &(0x7f0000020640), &(0x7f0000020680)) zx_channel_call$fuchsia_io_FileReadAt(r3, 0x0, 0x7fffffffffffffff, &(0x7f0000030780)={&(0x7f00000206c0)={{}, 0x4bc, 0x8000000000000001}, &(0x7f0000020700), &(0x7f0000020740), &(0x7f0000030740), 0x20, 0x0, 0x10000}, &(0x7f00000307c0), &(0x7f0000030800)) zx_port_wait(r6, r0, &(0x7f0000030840)={0x0, 0x0, 0x0, @signal}) zx_object_get_property$ZX_PROP_NAME(0x0, 0x3, &(0x7f0000030880)=""/85, 0x55) syz_execute_func(&(0x7f0000000000)="815a0008000000440f4daa06000000c40191f2cc660f38df04156556666665262ef342a7c443f9149d0d00000073c461bd6139c44279b813c4c18012d5f2a7") syz_future_time(0x0) syz_job_default() syz_mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) syz_process_self() syz_thread_self() syz_vmar_root_self() csource_test.go:134: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "/tmp/syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static int inject_fault(int nth) { return 0; } static void setup_fault() { } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) usleep(200); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout_ms) { uint64_t start = current_time_ms(); for (;;) { if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; if (current_time_ms() - start > timeout_ms) return 0; usleep(200); } } long syz_mmap(size_t addr, size_t size) { zx_handle_t root = zx_vmar_root_self(); zx_info_vmar_t info; zx_status_t status = zx_object_get_info(root, ZX_INFO_VMAR, &info, sizeof(info), 0, 0); if (status != ZX_OK) { return status; } zx_handle_t vmo; status = zx_vmo_create(size, 0, &vmo); if (status != ZX_OK) { return status; } uintptr_t mapped_addr; status = zx_vmar_map(root, ZX_VM_FLAG_SPECIFIC_OVERWRITE | ZX_VM_FLAG_PERM_READ | ZX_VM_FLAG_PERM_WRITE, addr - info.base, vmo, 0, size, &mapped_addr); zx_status_t close_vmo_status = zx_handle_close(vmo); if (close_vmo_status != ZX_OK) { } return status; } static long syz_process_self(void) { return zx_process_self(); } static long syz_thread_self(void) { return zx_thread_self(); } static long syz_vmar_root_self(void) { return zx_vmar_root_self(); } static long syz_job_default(void) { return zx_job_default(); } static long syz_future_time(volatile long when) { zx_time_t delta_ms = 10000; switch (when) { case 0: delta_ms = 5; break; case 1: delta_ms = 30; break; } zx_time_t now = 0; zx_clock_read(ZX_CLOCK_MONOTONIC, &now); return now + delta_ms * 1000 * 1000; } static void loop(); static int do_sandbox_none(void) { loop(); return 0; } #define CAST(f) ({void* p = (void*)f; p; }) static long syz_execute_func(volatile long text) { ((void (*)(void))(text))(); return 0; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 17; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 1) break; event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); static void loop(void) { execute_one(); } uint64_t r[7] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t))CAST(zx_deadline_after))(-1); if (res == ZX_OK) r[0] = res; break; case 1: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(zx_port_create))(0, 0x20000080); if (res == ZX_OK) r[1] = *(uint32_t*)0x20000080; break; case 2: res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); { int i; for(i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_vmar_allocate))(0, 8, 0x1d, 0xffff, 0x200000c0, 0x20000100); } } if (res == ZX_OK) r[2] = *(uint32_t*)0x200000c0; break; case 3: *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "\xbd\x73\x42\x32\x32\xb0\x11\xc0\x25\x3c\xbc\x26\xe9\xa6\xcc\x9b\x34\x17\x87\xe9\x09\x61\xe6\x85\xcc\x6e\x42\xc8\x12\x52\xb8\x28\x16\x39\x7e\xcf\x3a\x8b\xb5\xda\x1c\x08\xa2\xca\xe5\x38\x9d\x4d\x55\x98\xc9\xff\x3a\x06\xad\x30\xcc\xa1\x4b\xc8\xaf\xbb\x51\x02\x8a\x9d\xec\xf7\xd5\xef\x92\x66\xae\x8a\x2c\xee\x17\x44\x63\xdc\x80\x75\x05\x5d\x81\x2f\xa9\x75\x89\x27", 90); *(uint64_t*)0x200002c8 = 0x20000140; *(uint32_t*)0x20000140 = r[1]; *(uint32_t*)0x20000144 = 0; *(uint32_t*)0x20000148 = r[2]; *(uint64_t*)0x200002d0 = 0x20000180; *(uint64_t*)0x200002d8 = 0x20000280; *(uint32_t*)0x200002e0 = 0x5a; *(uint32_t*)0x200002e4 = 3; *(uint32_t*)0x200002e8 = 0xcd; *(uint32_t*)0x200002ec = 5; res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); if (res == ZX_OK) { r[3] = *(uint32_t*)0x20000280; r[4] = *(uint32_t*)0x20000284; r[5] = *(uint32_t*)0x2000028c; r[6] = *(uint32_t*)0x20000290; } break; case 4: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_guest_set_trap))(0, 0xfff, 0xb6c419670772f000, 0xc388ef41a55cd000, r[4], 3); break; case 5: *(uint64_t*)0x20010480 = 0x20000380; *(uint32_t*)0x20000380 = 0; memset((void*)0x20000384, 0, 3); *(uint8_t*)0x20000387 = 1; *(uint64_t*)0x20000388 = 0x591cb25600000000; *(uint32_t*)0x20000390 = 0x101; *(uint64_t*)0x20000394 = 6; *(uint64_t*)0x2000039c = -1; *(uint64_t*)0x200003a4 = 3; *(uint64_t*)0x200003ac = -1; memcpy((void*)0x200003b4, "^(-", 3); *(uint32_t*)0x200003bc = 1; *(uint32_t*)0x200003c0 = 0x10001; *(uint32_t*)0x200003c4 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x20010488 = 0x20000400; *(uint64_t*)0x20010490 = 0x20000440; *(uint64_t*)0x20010498 = 0x20010440; *(uint32_t*)0x200104a0 = 0x4c; *(uint32_t*)0x200104a4 = 0; *(uint32_t*)0x200104a8 = 0x10000; *(uint32_t*)0x200104ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, r[0], 0x20010480, 0x200104c0, 0x20010500); break; case 6: *(uint64_t*)0x20020600 = 0x20010540; *(uint32_t*)0x20010540 = 0; memset((void*)0x20010544, 0, 3); *(uint8_t*)0x20010547 = 1; *(uint64_t*)0x20010548 = 0x66c69d1b00000000; *(uint32_t*)0x20010550 = 0x46a; *(uint32_t*)0x20010554 = 0; *(uint64_t*)0x20010558 = 6; *(uint64_t*)0x20010560 = -1; *(uint64_t*)0x20010568 = 2; memcpy((void*)0x20010570, ")!.+,!.%\370", 9); *(uint64_t*)0x20020608 = 0x20010580; *(uint64_t*)0x20020610 = 0x200105c0; *(uint64_t*)0x20020618 = 0x200205c0; *(uint32_t*)0x20020620 = 0x40; *(uint32_t*)0x20020624 = 0; *(uint32_t*)0x20020628 = 0x10000; *(uint32_t*)0x2002062c = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[5], 0, 0, 0x20020600, 0x20020640, 0x20020680); break; case 7: *(uint64_t*)0x20030780 = 0x200206c0; *(uint32_t*)0x200206c0 = 0; memset((void*)0x200206c4, 0, 3); *(uint8_t*)0x200206c7 = 1; *(uint64_t*)0x200206c8 = 0x7c724dc400000000; *(uint64_t*)0x200206d0 = 0x4bc; *(uint64_t*)0x200206d8 = 0x8000000000000001; *(uint64_t*)0x20030788 = 0x20020700; *(uint64_t*)0x20030790 = 0x20020740; *(uint64_t*)0x20030798 = 0x20030740; *(uint32_t*)0x200307a0 = 0x20; *(uint32_t*)0x200307a4 = 0; *(uint32_t*)0x200307a8 = 0x10000; *(uint32_t*)0x200307ac = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call))(r[3], 0, 0x7fffffffffffffff, 0x20030780, 0x200307c0, 0x20030800); break; case 8: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(zx_port_wait))(r[6], r[0], 0x20030840); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_object_get_property))(0, 3, 0x20030880, 0x55); break; case 10: memcpy((void*)0x20000000, "\x81\x5a\x00\x08\x00\x00\x00\x44\x0f\x4d\xaa\x06\x00\x00\x00\xc4\x01\x91\xf2\xcc\x66\x0f\x38\xdf\x04\x15\x65\x56\x66\x66\x65\x26\x2e\xf3\x42\xa7\xc4\x43\xf9\x14\x9d\x0d\x00\x00\x00\x73\xc4\x61\xbd\x61\x39\xc4\x42\x79\xb8\x13\xc4\xc1\x80\x12\xd5\xf2\xa7", 63); syz_execute_func(0x20000000); break; case 11: syz_future_time(0); break; case 12: syz_job_default(); break; case 13: syz_mmap(0x20ffe000, 0x2000); break; case 14: syz_process_self(); break; case 15: syz_thread_self(); break; case 16: syz_vmar_root_self(); break; } } int main(void) { syz_mmap(0x20000000, 0x1000000); setup_fault(); use_temporary_dir(); do_sandbox_none(); return 0; } :306:81: error: use of undeclared identifier 'zx_channel_call_etc' res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(zx_channel_call_etc))(0, 0x3f, r[0], 0x200002c0, 0x20000300, 0x20000340); ^ 1 error generated. compiler invocation: /syzkaller/shared/fuchsia/prebuilt/third_party/clang/linux-x64/bin/clang [-o /tmp/syz-executor1840447188 -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 (0.31s) csource_test.go:131: FAIL FAIL github.com/google/syzkaller/pkg/csource 21.868s ok github.com/google/syzkaller/pkg/db (cached) ? github.com/google/syzkaller/pkg/debugtracer [no test files] ok github.com/google/syzkaller/pkg/email (cached) ? github.com/google/syzkaller/pkg/gce [no test files] ? github.com/google/syzkaller/pkg/gcs [no test files] ? github.com/google/syzkaller/pkg/hash [no test files] ok github.com/google/syzkaller/pkg/host (cached) ? github.com/google/syzkaller/pkg/html [no test files] ? github.com/google/syzkaller/pkg/html/pages [no test files] ok github.com/google/syzkaller/pkg/ifuzz (cached) ? github.com/google/syzkaller/pkg/ifuzz/iset [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc/generated [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86 [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/gen [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/generated [no test files] ok github.com/google/syzkaller/pkg/image (cached) ok github.com/google/syzkaller/pkg/instance (cached) ok github.com/google/syzkaller/pkg/ipc (cached) ? github.com/google/syzkaller/pkg/ipc/ipcconfig [no test files] ? github.com/google/syzkaller/pkg/kcidb [no test files] ok github.com/google/syzkaller/pkg/kconfig 0.528s 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 (cached) ? github.com/google/syzkaller/pkg/rpctype [no test files] ok github.com/google/syzkaller/pkg/runtest (cached) ok github.com/google/syzkaller/pkg/serializer (cached) ? github.com/google/syzkaller/pkg/signal [no test files] ok github.com/google/syzkaller/pkg/stats (cached) ok github.com/google/syzkaller/pkg/subsystem (cached) ok github.com/google/syzkaller/pkg/symbolizer (cached) ? github.com/google/syzkaller/pkg/testutil [no test files] ok github.com/google/syzkaller/pkg/tool (cached) ? github.com/google/syzkaller/pkg/tools [no test files] ok github.com/google/syzkaller/pkg/vcs (cached) ok github.com/google/syzkaller/prog (cached) ok github.com/google/syzkaller/prog/test (cached) ? github.com/google/syzkaller/sys [no test files] ? github.com/google/syzkaller/sys/akaros [no test files] ? github.com/google/syzkaller/sys/akaros/gen [no test files] ? github.com/google/syzkaller/sys/darwin [no test files] ? github.com/google/syzkaller/sys/darwin/gen [no test files] ? github.com/google/syzkaller/sys/freebsd [no test files] ? github.com/google/syzkaller/sys/freebsd/gen [no test files] ? github.com/google/syzkaller/sys/fuchsia [no test files] ? github.com/google/syzkaller/sys/fuchsia/fidlgen [no test files] ? github.com/google/syzkaller/sys/fuchsia/gen [no test files] ? github.com/google/syzkaller/sys/fuchsia/layout [no test files] ok github.com/google/syzkaller/sys/linux (cached) ? github.com/google/syzkaller/sys/linux/gen [no test files] ? github.com/google/syzkaller/sys/netbsd [no test files] ? github.com/google/syzkaller/sys/netbsd/gen [no test files] ok github.com/google/syzkaller/sys/openbsd (cached) ? github.com/google/syzkaller/sys/openbsd/gen [no test files] ? github.com/google/syzkaller/sys/syz-extract [no test files] ? github.com/google/syzkaller/sys/syz-sysgen [no test files] ? github.com/google/syzkaller/sys/targets [no test files] ? github.com/google/syzkaller/sys/test [no test files] ? github.com/google/syzkaller/sys/test/gen [no test files] ? github.com/google/syzkaller/sys/trusty [no test files] ? github.com/google/syzkaller/sys/trusty/gen [no test files] ? github.com/google/syzkaller/sys/windows [no test files] ? github.com/google/syzkaller/sys/windows/gen [no test files] ok github.com/google/syzkaller/syz-ci (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 (cached) ? github.com/google/syzkaller/syz-runner [no test files] ok github.com/google/syzkaller/syz-verifier (cached) ? github.com/google/syzkaller/tools/syz-benchcmp [no test files] ? github.com/google/syzkaller/tools/syz-bisect [no test files] ? github.com/google/syzkaller/tools/syz-build [no test files] ? github.com/google/syzkaller/tools/syz-check [no test files] ? github.com/google/syzkaller/tools/syz-cover [no test files] ? github.com/google/syzkaller/tools/syz-crush [no test files] ? github.com/google/syzkaller/tools/syz-db [no test files] ? github.com/google/syzkaller/tools/syz-execprog [no test files] ? github.com/google/syzkaller/tools/syz-expand [no test files] ? github.com/google/syzkaller/tools/syz-fillreports [no test files] ? github.com/google/syzkaller/tools/syz-fmt [no test files] ? github.com/google/syzkaller/tools/syz-hubtool [no test files] ? github.com/google/syzkaller/tools/syz-imagegen [no test files] ? github.com/google/syzkaller/tools/syz-kcidb [no test files] ok github.com/google/syzkaller/tools/syz-kconf (cached) ok github.com/google/syzkaller/tools/syz-linter (cached) ? github.com/google/syzkaller/tools/syz-make [no test files] ? github.com/google/syzkaller/tools/syz-minconfig [no test files] ? github.com/google/syzkaller/tools/syz-mutate [no test files] ? github.com/google/syzkaller/tools/syz-prog2c [no test files] ? github.com/google/syzkaller/tools/syz-reporter [no test files] ? github.com/google/syzkaller/tools/syz-repro [no test files] ? github.com/google/syzkaller/tools/syz-reprolist [no test files] ? github.com/google/syzkaller/tools/syz-runtest [no test files] ? github.com/google/syzkaller/tools/syz-showprio [no test files] ? github.com/google/syzkaller/tools/syz-stress [no test files] ? github.com/google/syzkaller/tools/syz-symbolize [no test files] ? github.com/google/syzkaller/tools/syz-testbed [no test files] ? github.com/google/syzkaller/tools/syz-testbuild [no test files] ? github.com/google/syzkaller/tools/syz-trace2syz [no test files] ok github.com/google/syzkaller/tools/syz-trace2syz/parser (cached) ok github.com/google/syzkaller/tools/syz-trace2syz/proggen (cached) ? github.com/google/syzkaller/tools/syz-tty [no test files] ? github.com/google/syzkaller/tools/syz-upgrade [no test files] ? github.com/google/syzkaller/tools/syz-usbgen [no test files] ok github.com/google/syzkaller/vm (cached) ? github.com/google/syzkaller/vm/adb [no test files] ? github.com/google/syzkaller/vm/bhyve [no test files] ? github.com/google/syzkaller/vm/cuttlefish [no test files] ? github.com/google/syzkaller/vm/gce [no test files] ? github.com/google/syzkaller/vm/gvisor [no test files] ok github.com/google/syzkaller/vm/isolated (cached) ? github.com/google/syzkaller/vm/kvm [no test files] ? github.com/google/syzkaller/vm/odroid [no test files] ok github.com/google/syzkaller/vm/proxyapp (cached) ? github.com/google/syzkaller/vm/proxyapp/mocks [no test files] ? github.com/google/syzkaller/vm/proxyapp/proxyrpc [no test files] ? github.com/google/syzkaller/vm/qemu [no test files] ? github.com/google/syzkaller/vm/starnix [no test files] ok github.com/google/syzkaller/vm/vmimpl (cached) ? github.com/google/syzkaller/vm/vmm [no test files] ? github.com/google/syzkaller/vm/vmware [no test files] FAIL