? github.com/google/syzkaller/dashboard/api [no test files] ok github.com/google/syzkaller/dashboard/app 0.677s ok github.com/google/syzkaller/dashboard/dashapi 0.123s ok github.com/google/syzkaller/executor 2.053s ok github.com/google/syzkaller/pkg/asset 0.584s ok github.com/google/syzkaller/pkg/ast 2.131s ok github.com/google/syzkaller/pkg/auth 0.150s ? github.com/google/syzkaller/pkg/clangtool [no test files] ? github.com/google/syzkaller/pkg/coveragedb/mocks [no test files] ? github.com/google/syzkaller/pkg/coveragedb/spannerclient [no test files] ? github.com/google/syzkaller/pkg/debugtracer [no test files] ? github.com/google/syzkaller/pkg/declextract [no test files] ? github.com/google/syzkaller/pkg/hash [no test files] ? github.com/google/syzkaller/pkg/gcs [no test files] ? github.com/google/syzkaller/pkg/ifaceprobe [no test files] ? github.com/google/syzkaller/pkg/ifuzz/arm64/gen [no test files] ? github.com/google/syzkaller/pkg/ifuzz/arm64/generated [no test files] ? github.com/google/syzkaller/pkg/ifuzz/iset [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc [no test files] ? github.com/google/syzkaller/pkg/ifuzz/powerpc/generated [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86 [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/gen [no test files] ? github.com/google/syzkaller/pkg/ifuzz/x86/generated [no test files] ? github.com/google/syzkaller/pkg/kcidb [no test files] ? github.com/google/syzkaller/pkg/report/crash [no test files] ? github.com/google/syzkaller/pkg/rpcserver/mocks [no test files] ? github.com/google/syzkaller/pkg/rpctype [no test files] ? github.com/google/syzkaller/pkg/stat/syzbotstats [no test files] ? github.com/google/syzkaller/pkg/testutil [no test files] ? github.com/google/syzkaller/pkg/tools [no test files] ok github.com/google/syzkaller/pkg/bisect 201.604s ok github.com/google/syzkaller/pkg/bisect/minimize 0.876s ok github.com/google/syzkaller/pkg/build 7.873s ok github.com/google/syzkaller/pkg/compiler 15.069s ok github.com/google/syzkaller/pkg/config 0.202s ok github.com/google/syzkaller/pkg/corpus 2.541s ok github.com/google/syzkaller/pkg/cover 0.632s ok github.com/google/syzkaller/pkg/cover/backend 1.670s ok github.com/google/syzkaller/pkg/coveragedb 0.473s ok github.com/google/syzkaller/pkg/covermerger 2.301s --- FAIL: TestGenerate (13.04s) --- FAIL: TestGenerate/openbsd/amd64 (0.02s) testutil.go:35: seed=1735901697924204530 testutil.go:35: seed=1735901697946938977 --- FAIL: TestGenerate/openbsd/amd64/4 (1.32s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_none(); return 0; } :373:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor2528202313 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/5 (1.54s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static unsigned long long procid; static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22 + procid*4); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23 + procid*4); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); for (procid = 0; procid < 4; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :375:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor2128331573 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/15 (2.00s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static unsigned long long procid; static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22 + procid*4); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23 + procid*4); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); for (procid = 0; procid < 2; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; } :375:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor2536731089 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/9 (2.16s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:-9223372036854775808 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_none(); return 0; } :373:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor3772086849 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/8 (2.17s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:setuid SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int wait_for_loop(int pid) { if (pid < 0) exit(1); int status = 0; while (waitpid(-1, &status, WUNTRACED) != pid) { } return WEXITSTATUS(status); } static int do_sandbox_setuid(void) { int pid = fork(); if (pid != 0) return wait_for_loop(pid); sandbox_common(); char pwbuf[1024]; struct passwd *pw, pwres; if (getpwnam_r("nobody", &pwres, pwbuf, sizeof(pwbuf), &pw) != 0 || !pw) exit(1); if (setgroups(0, NULL)) exit(1); if (setgid(pw->pw_gid)) exit(1); if (setuid(pw->pw_uid)) exit(1); loop(); exit(1); } 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_setuid(); return 0; } :396:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor1071983693 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/0 (2.66s) csource_test.go:151: opts: {Threaded:false Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { if (setsid() == -1 && errno != EPERM) exit(1); struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); return 0; } static void execute_one(void); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_one(void) { intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {} memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); syz_open_pts(); } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_none(); return 0; } :219:2: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor3515498066 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/7 (2.74s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); loop(); return 0; } :348:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor773869021 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/3 (2.75s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:10 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (; iter < 10; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_none(); return 0; } :373:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor1992627317 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/6 (3.00s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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 < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 15000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); break; case 2: ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ break; case 7: ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); break; case 9: ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); break; case 10: syz_open_pts(); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_none(); return 0; } :373:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor4186024112 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/14 (1.26s) csource_test.go:151: opts: {Threaded:true Repeat:true RepeatTimes:0 Procs:0 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}} program: r0 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (fail_nth: 1) ioctl$VT_WAITACTIVE(r0, 0x20007606, &(0x7f0000000040)) (async) fchdir(r0) (rerun: 4) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) ioctl$BIOCSDLT(r1, 0x8004427a, &(0x7f00000000c0)=0x9) r2 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0xa0) mknodat(r2, &(0x7f0000000140)='./file0\x00', 0x0, 0x49) fchmod(r2, 0x8) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x2, 0x2, 0x6}, {0x18, 0x3, 0x20000000, 0x484}, 0xc, [0x40, 0x9, 0x9, 0x0, 0x1, 0x6, 0x5, 0x6e4]}, 0x3c) ioctl$BIOCLOCK(r2, 0x20004276) syz_emit_ethernet(0x71, &(0x7f0000000000)={@broadcast, @random="e16e6b3febed", [], {@generic={0x802f, "3a7b118e86f4a217257ebf741561db2fe5c92742ea416d385c4253bc991c7e08eaebf576a834abd9c08b0a6737c49ca4aeaae6dc5120a1c32662e63c1faeba5a173555c3401e99e81e53787d730859c9fb09f8200062e6f94ec72ee7331562c4cc3562"}}}) syz_extract_tcp_res(&(0x7f0000000080), 0x3, 0x6) syz_open_pts() csource_test.go:152: failed to build program: // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) { exit(1); } } closedir(dp); while (rmdir(dir)) { exit(1); } } static int inject_fault(int nth) { return 0; } static const char* setup_fault() { return NULL; } 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 { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } #define CAST static uintptr_t syz_open_pts(void) { int master, slave; if (openpty(&master, &slave, NULL, NULL, NULL) == -1) return -1; if (dup2(master, master + 100) != -1) close(master); return slave; } static void sandbox_common() { struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); } static void loop(); static int do_sandbox_none(void) { sandbox_common(); loop(); 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)) { } fprintf(stderr, "### start\n"); int i, call, thread; for (call = 0; call < 11; 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); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: memcpy((void*)0x20000000, "/dev/ttyCcfg\000", 13); inject_fault(1); res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000000, /*flags=O_WRONLY*/1, /*mode=*/0); fprintf(stderr, "### call=0 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res != -1) r[0] = res; break; case 1: *(uint32_t*)0x20000040 = 0; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[0], /*cmd=*/0x20007606, /*arg=*/0x20000040); fprintf(stderr, "### call=1 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 2: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); fprintf(stderr, "### call=2 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); for (int i = 0; i < 4; i++) { ((intptr_t(*)(intptr_t))CAST(fchdir))(/*fd=*/r[0]); } break; case 3: memcpy((void*)0x20000080, "/dev/bpf\000", 9); res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(openat))(/*fd=*/0xffffffffffffff9c, /*file=*/0x20000080, /*flags=O_CREAT*/0x200, /*mode=*/0); fprintf(stderr, "### call=3 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res != -1) r[1] = res; break; case 4: *(uint32_t*)0x200000c0 = 9; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[1], /*cmd=*/0x8004427a, /*arg=*/0x200000c0); fprintf(stderr, "### call=4 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 5: memcpy((void*)0x20000100, "./file0\000", 8); res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(open))(/*file=*/0x20000100, /*flags=O_RSYNC*/0x80, /*mode=S_IRGRP|S_IWUSR*/0xa0); fprintf(stderr, "### call=5 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); if (res != -1) r[2] = res; break; case 6: memcpy((void*)0x20000140, "./file0\000", 8); res = -1; errno = EFAULT; NONFAILING(res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ fprintf(stderr, "### call=6 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 7: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t))CAST(fchmod))(/*fd=*/r[2], /*mode=S_IXGRP*/8); fprintf(stderr, "### call=7 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 8: *(uint16_t*)0x20000180 = 0x18; *(uint16_t*)0x20000182 = htobe16(0x4e22); *(uint32_t*)0x20000184 = 2; *(uint32_t*)0x20000188 = 6; *(uint16_t*)0x2000018c = 0x18; *(uint16_t*)0x2000018e = htobe16(0x4e23); *(uint32_t*)0x20000190 = 0x20000000; *(uint32_t*)0x20000194 = 0x484; *(uint16_t*)0x20000198 = 0xc; *(uint32_t*)0x2000019c = 0x40; *(uint32_t*)0x200001a0 = 9; *(uint32_t*)0x200001a4 = 9; *(uint32_t*)0x200001a8 = 0; *(uint32_t*)0x200001ac = 1; *(uint32_t*)0x200001b0 = 6; *(uint32_t*)0x200001b4 = 5; *(uint32_t*)0x200001b8 = 0x6e4; res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(setsockopt))(/*fd=*/r[2], /*level=*/0x29, /*optname=*/0x68, /*optval=*/0x20000180, /*optlen=*/0x3c); fprintf(stderr, "### call=8 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 9: res = -1; errno = EFAULT; res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(ioctl))(/*fd=*/r[2], /*cmd=*/0x20004276, 0); fprintf(stderr, "### call=9 errno=%u\n", (intptr_t)(int)res == -1 ? errno : 0); break; case 10: res = -1; errno = EFAULT; res = syz_open_pts(); fprintf(stderr, "### call=10 errno=%u\n", res == -1 ? errno : 0); break; } } int main(void) { ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup failed: %s\n", reason); use_temporary_dir(); do_sandbox_none(); return 0; } :391:3: error: call to undeclared function 'NONFAILING'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] NONFAILING(res = ((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t))CAST(mknodat))(/*dirfd=*/r[2], /*file=*/0x20000140, /*mode=*/0, /*dev=*/0x49)); /* major = 0, minor = 73 */ ^ 1 error generated. compiler invocation: c++ [-o /tmp/syz-executor3028031410 -DGOOS_openbsd=1 -DGOARCH_amd64=1 -DHOSTGOOS_openbsd=1 -x c - -m64 -static -lutil -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-unused-command-line-argument] --- FAIL: TestGenerate/openbsd/amd64/1 (1.15s) csource_test.go:149: --- FAIL: TestGenerate/openbsd/amd64/10 (0.99s) csource_test.go:149: --- FAIL: TestGenerate/openbsd/amd64/12 (1.77s) csource_test.go:149: --- FAIL: TestGenerate/openbsd/amd64/2 (1.87s) csource_test.go:149: --- FAIL: TestGenerate/openbsd/amd64/11 (1.16s) csource_test.go:149: FAIL FAIL github.com/google/syzkaller/pkg/csource 18.323s ok github.com/google/syzkaller/pkg/db 5.514s ok github.com/google/syzkaller/pkg/email 0.275s ok github.com/google/syzkaller/pkg/email/lore 0.251s ok github.com/google/syzkaller/pkg/flatrpc 0.214s ok github.com/google/syzkaller/pkg/fuzzer 10.927s ok github.com/google/syzkaller/pkg/fuzzer/queue 0.554s ok github.com/google/syzkaller/pkg/gce 0.670s ok github.com/google/syzkaller/pkg/html 0.344s ok github.com/google/syzkaller/pkg/html/pages 0.420s ok github.com/google/syzkaller/pkg/ifuzz 0.902s ok github.com/google/syzkaller/pkg/ifuzz/arm64 0.128s ok github.com/google/syzkaller/pkg/image 7.779s ok github.com/google/syzkaller/pkg/instance 10.226s ok github.com/google/syzkaller/pkg/kconfig 0.360s ok github.com/google/syzkaller/pkg/kd 0.376s ok github.com/google/syzkaller/pkg/log 0.365s ok github.com/google/syzkaller/pkg/manager 12.137s ok github.com/google/syzkaller/pkg/mgrconfig 13.764s ok github.com/google/syzkaller/pkg/osutil 5.155s ok github.com/google/syzkaller/pkg/report 25.613s ok github.com/google/syzkaller/pkg/repro 13.918s ok github.com/google/syzkaller/pkg/rpcserver 11.685s ok github.com/google/syzkaller/pkg/runtest 37.054s ok github.com/google/syzkaller/pkg/serializer 0.270s ok github.com/google/syzkaller/pkg/signal 0.293s ok github.com/google/syzkaller/pkg/stat 1.341s ok github.com/google/syzkaller/pkg/stat/sample 0.269s ok github.com/google/syzkaller/pkg/subsystem 0.285s ok github.com/google/syzkaller/pkg/subsystem/linux 0.396s ok github.com/google/syzkaller/pkg/subsystem/lists 1.596s ok github.com/google/syzkaller/pkg/symbolizer 0.962s ok github.com/google/syzkaller/pkg/tool 0.568s ok github.com/google/syzkaller/pkg/validator 0.358s ok github.com/google/syzkaller/pkg/vcs 97.724s ok github.com/google/syzkaller/pkg/vminfo 24.126s ? github.com/google/syzkaller/sys [no test files] ? github.com/google/syzkaller/sys/darwin [no test files] ? github.com/google/syzkaller/sys/freebsd [no test files] ? github.com/google/syzkaller/sys/darwin/gen [no test files] ? github.com/google/syzkaller/sys/fuchsia [no test files] ? github.com/google/syzkaller/sys/freebsd/gen [no test files] ? github.com/google/syzkaller/sys/fuchsia/fidlgen [no test files] ? github.com/google/syzkaller/sys/fuchsia/gen [no test files] ? github.com/google/syzkaller/sys/fuchsia/layout [no test files] ? github.com/google/syzkaller/sys/linux/gen [no test files] ? github.com/google/syzkaller/sys/netbsd/gen [no test files] ? github.com/google/syzkaller/sys/syz-sysgen [no test files] ? github.com/google/syzkaller/sys/syz-extract [no test files] ? github.com/google/syzkaller/sys/targets [no test files] ? github.com/google/syzkaller/sys/openbsd/gen [no test files] ? github.com/google/syzkaller/sys/test [no test files] ? github.com/google/syzkaller/sys/test/gen [no test files] ? github.com/google/syzkaller/sys/trusty [no test files] ? github.com/google/syzkaller/sys/trusty/gen [no test files] ? github.com/google/syzkaller/sys/windows [no test files] ? github.com/google/syzkaller/sys/windows/gen [no test files] ? github.com/google/syzkaller/tools/arm64 [no test files] ? github.com/google/syzkaller/tools/syz-benchcmp [no test files] ? github.com/google/syzkaller/tools/syz-bisect [no test files] ? github.com/google/syzkaller/tools/syz-check [no test files] ? github.com/google/syzkaller/tools/syz-cover [no test files] ? github.com/google/syzkaller/tools/syz-build [no test files] ? github.com/google/syzkaller/tools/syz-covermerger [no test files] ? github.com/google/syzkaller/tools/syz-crush [no test files] ? github.com/google/syzkaller/tools/syz-db-export [no test files] ? github.com/google/syzkaller/tools/syz-diff [no test files] ? github.com/google/syzkaller/tools/syz-execprog [no test files] ? github.com/google/syzkaller/tools/syz-expand [no test files] ? github.com/google/syzkaller/tools/syz-fix-analyzer [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-gemini-seed [no test files] ? github.com/google/syzkaller/tools/syz-hubtool [no test files] ? github.com/google/syzkaller/tools/syz-kcidb [no test files] ? github.com/google/syzkaller/tools/syz-lore [no test files] ? github.com/google/syzkaller/tools/syz-make [no test files] ? github.com/google/syzkaller/tools/syz-minconfig [no test files] ? github.com/google/syzkaller/tools/syz-mutate [no test files] ? github.com/google/syzkaller/tools/syz-query-subsystems [no test files] ? github.com/google/syzkaller/tools/syz-prog2c [no test files] ? github.com/google/syzkaller/tools/syz-repro [no test files] ? github.com/google/syzkaller/tools/syz-reporter [no test files] ? github.com/google/syzkaller/tools/syz-showprio [no test files] ? github.com/google/syzkaller/tools/syz-symbolize [no test files] ? github.com/google/syzkaller/tools/syz-testbuild [no test files] ? github.com/google/syzkaller/tools/syz-trace2syz [no test files] ? github.com/google/syzkaller/tools/syz-tty [no test files] ? github.com/google/syzkaller/tools/syz-upgrade [no test files] ? github.com/google/syzkaller/tools/syz-usbgen [no test files] ok github.com/google/syzkaller/prog 51.776s ok github.com/google/syzkaller/prog/test 1.076s ok github.com/google/syzkaller/sys/linux 1.622s ok github.com/google/syzkaller/sys/netbsd 0.484s ok github.com/google/syzkaller/sys/openbsd 0.494s ok github.com/google/syzkaller/syz-ci 25.672s ok github.com/google/syzkaller/syz-hub 0.102s ok github.com/google/syzkaller/syz-hub/state 0.411s ok github.com/google/syzkaller/syz-manager 4.734s ok github.com/google/syzkaller/tools/syz-db 3.624s ok github.com/google/syzkaller/tools/syz-declextract 1.784s ok github.com/google/syzkaller/tools/syz-kconf 0.218s ok github.com/google/syzkaller/tools/syz-linter 3.304s ? 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/tools/syz-testbed 8.080s ok github.com/google/syzkaller/tools/syz-trace2syz/parser 5.658s ok github.com/google/syzkaller/tools/syz-trace2syz/proggen 4.959s ? github.com/google/syzkaller/vm/proxyapp/mocks [no test files] ? github.com/google/syzkaller/vm/proxyapp/proxyrpc [no test files] ? github.com/google/syzkaller/vm/qemu [no test files] ? github.com/google/syzkaller/vm/starnix [no test files] ? github.com/google/syzkaller/vm/vmm [no test files] ? github.com/google/syzkaller/vm/vmware [no test files] ok github.com/google/syzkaller/vm 11.967s ok github.com/google/syzkaller/vm/dispatcher 0.572s ok github.com/google/syzkaller/vm/isolated 3.162s ok github.com/google/syzkaller/vm/proxyapp 5.642s ok github.com/google/syzkaller/vm/vmimpl 2.804s FAIL