// https://syzkaller.appspot.com/bug?id=e94de72534b46ee21d40a7f3cd90793f97754b49 // 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 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 execute_one(void); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; iter++) { int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; sleep_ms(1); if (current_time_ms() - start < 5000) { continue; } kill_and_wait(pid, &status); break; } } } #ifndef SYS_mmap #define SYS_mmap 197 #endif #ifndef SYS_socket #define SYS_socket 394 #endif #ifndef SYS_write #define SYS_write 4 #endif uint64_t r[1] = {0xffffffffffffffff}; void execute_one(void) { intptr_t res = 0; res = syscall(SYS_socket, 0x11ul, 3ul, -1); if (res != -1) r[0] = res; memcpy( (void*)0x20000100, "\x1d\x55\xbf\xc4\x62\xf5\x2f\x19\xc8\x51\xf3\xcc\xb4\xa7\xec\xfe\xe7\x80" "\x44\xe1\x90\x0c\x9c\xbf\xfa\xca\x1b\x48\xb4\x7e\x8e\x50\x19\xfe\xb9\x79" "\xb8\xc9\xb1\xf1\x90\x71\x5f\x3e\xbc\xbe\xab\xde\x5a\xaa\xd9\xfb\x78\xf8" "\x4e\xc1\x36\x0a\xde\xa6\x77\x48\x9a\x87\x1d\x53\x3c\xe3\x08\x95\x93\x85" "\x37\x9c\xdc\x05\xae\xf9\xce\x5d\x3d\xb1\x8c\xe8\x5a\xb0\xfa\x91\xaa\xc9" "\x5f\x72\xc9\x56\xda\x48\x4f\xc8\xf4\x94\x80\x5a\xdb\x1c\xb3\x11\x75\xba" "\x18\xda\x92\x89\x5f\x95\x48\xa1\x67\x63\x66\x15\x00\xa6\x33\x70\x7b\xbb" 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"\x8a\xfa\xba\x77\x58\x1f\x19\x2b\x8e\x9b\x8f\xe5\x0d\xa7\xb1\x8d\x6e\x2f" "\x25\x61\xb3\xc3\x2d\x68\xfe\x2a\x1d\x37\x13\xa4\x01\xa3\xee\x05\x2b\xfc" "\x61\xac\x62\xbc\x0b\xda\x3d\xe0\x0d\x00\x68\x88\xe4\x03\x95\xb2\x57\x46" "\x9d\x2a\xa0\xd6\xbb\x1f\xb8\x66\x05\x87\x74\x6c\xe6\x10\xf2\x7d\xfc\x88" "\x2a\x9d\x8c\x03\xce\x0f\x8c\x2d\x5a\x62\x5f\x8b\x30\x3f\x8b\x19\xe4\x3d" "\x5d\x2a\x4e\x09\x15\x2e\x02\x3d\x7b\x12\x1b\x49\x6c\x66\xe3\x04\x4b\xc2" "\xbc\x44\x29\xb6\xf8\x28\xb9\x53\x7a\xd4\x70\x2f\x79\xe9\x54\x11\x59\x95" "\xe5\xc9\xe7\xf1\x86\xbc\xf2\x3c\xcd\xf0\xac\x75\xe0\x88\xb4\xb9\x88\xb8" "\xbf\x35\x0a\x4a\x02\xda\x8c\x61\x89\xca\xbf\x16\xfc\x09\xff\xb1\x30\x5a" "\xe7\x11\x1d\x8e\xc8\x11\x6e\x7c\x17\x21\x19\xbb\x44\x06\x11\x02\x93\x32" "\x11\xd3\x47\xcd\x0e\xa8\x30\xa5\xf4\xfe\x21\xac\x06\xcb\xdc\x47\xe4\xed" "\x63\x1b\xd3\x3f\x01\xfe\xc3\x17\x05\x86\x8b\x94\x47\xdb\xef\xfe\x09\x57" "\x54\xf5\x39\x0c\xc3\x46\xe7\xf3\xe6\x03\x3e\x10\x0d\x8c\xde\x5a\x63\x24" "\xab\xf7\x3d\x19\x45\x65\xb0\xa1\xc7\x51\x1e\x13\xbd\x55\x2c\xb7\x40\x0a" "\xb5\xb8\x53\x4a\x27\x2a\x0f\x18\x64\xeb\x34\x5e\xb0\xae\x98\xe8\xaf\x6f" "\xed\xa4\x4c\xe3\xae\xc4\xbd\xff\x1b\x7d\x91\xa1\x02\x3a\xac\x86\x82\xf4" "\x50\x07\x64\x31\xdd\xbb\x32\xf2\x9a\x4d\x7b\xf4\xd6\x79\x77\xd1\xbb\x0d" "\xa3\x63\x76\x65\xae\x42\x44\x2d\xe1\xb2\x1f\x67\xbd\x53\x6c\x7a\x1d\x78" "\x12\x60\x89\x20\x5c\xba\xa9\x6b\xaa\x9e\xed\x36\x40\x5f\x16\x3f\x57\x8a" "\xc4\x5f\x23\xef\xb4\x1a\x5a\xd9\x23\x9f\xe4\x6f\xb5\x7e\xa8\xe7\xc6\xef" "\x75\x0d\xe8\x7f\xa4\x79\x81\x61\xad\x6b\x6f\xea\xd8\xb1\x93\xd1\x40\xd4" "\x7f\x54\xae\x03\x6b\xc7\x3b\xc7\x51\x3c\x4f\x30\x35\x4d\xdd\x66\x3d\xc6" "\xfc\x9b\x3f\x21\x60\x5a\x82\xf3\x84\xae\x3e\xa9\x13\x72\xd8\x7b\x7c\xfa" "\xaf\xfc\x99\x56\x30\x23\x65\xf7\x0d\x11\x1a\x60\x3c\x51\xf1\x78\x10\xc3" "\x9c\xec\xbf\xdb\x94\x36\xd3\x78\x53\xfa\x77\x67\xf2\xe9\xfa\x62\x06\xef" "\xe7\x42\x6c\xd5\xf6\x30\x38\xa4\x45\x68\x6c\x64\x67\xe3\xa7\x07\x60\x1b" "\x59\xbc\xd6\xcf\x07\xd6\x27\x60\xc1\x7c\xcb\x79\xee\x60\x63\x0f\x17\x6c" "\x18\x2e\xfe\xb0\xf6\x58\xc0\x6f\xfd\xd7\x2c\xc0\x9d\x68\x75\xd2\x40\x38" "\x47\x25\x7f\x71\x67\x8c\xce\x76\x33\x7a\x65\xfb\x56\xc5\x28\x55\x94\x29" "\xf1\x78\x65\x96\xba\xff\xe3\xf0\x21\x11\xa8\x72\x47\xea\x44\x18\xcd\xd0" "\xd9\xb9\xc1\x54\x1c\xda\xf4\x67\xaf\xe0\xde\x32\xa0\xe6\x74\xac\x6c\x25" "\x02\x85\x10\xbf\xec\x61\xbc\xec\x01\xbd\xb2\x5d\xef\xdd\x04\xad\xe5\x0d" "\xa8\x31\x22\xe4\xfe\x7e\xe3\x02\xb2\x20\x60\xcf\x89\x9b\xff\x6e\x3f\x9e" "\x21\x72\x83\xd0\xaa\x41\xdb\x82\x60\x01\x62\xe5\x8e\x78\x30\xfb\xd6\x6f" "\x5f\x71\xb5\x52\xfb\xb2\xd4\xc2\xc2\x0b\x66\x92\xcf\x0a\xd0\x69\x42\xd5" "\x50\xc4\x1a\x92\x45\xfc\x24\xa6\x1d\x70\x66\xd9\x68\xd0\x97\x3b\x6e\x9f" "\xab\x7e\xb4\x8c\x54\x16\x8c\x50\xca\xd1\x79\xa9\x83\xed\x5b\xd5\x23\x99" "\x85\xf5\x2d\x02\x23\xb4\x8d\x46\x6b\x74\x70\x80\x36\x68\x46\xa0\x75\xa6" "\x8b\x08\x27\x09\x5f\xf9\xe1\x61\x62\xf0\x10\xf1\x4e\x78\x8b\x8b\x5a\x07" "\xa6\x12\x01\x17\xff\xdb\x24\x01\x9d\xb6\x7c\x9e\xbc\x33\xab\x1b\xa0\xf2" "\x8a\xc0\x43\x62\x16\xdc\x04\x6f\x19\x8c\xb5\x9e\xfe\x52\x2d\x4f\xd5\x2d" "\xc4\x53\x57\x27\xad\x82\x44\xe7\x5f\xdc\x1a\x4a\x34\x8a\xaf\xf8\xab\x66" "\xea\xa4\xce\xa1\xf9\xbd\xc7\xf2\x62\xc0\x21\x2d\x32\x13\xd2\xbb\xf7\x3e" "\xe3\xaf\xb4\x5e\x47\x98\x2c\xab\x93\xdf\x78\xc7\xad\x77\xcf\x9e\x92\x37" "\xfe\xc4\xcf\xe6\x77\x87\x43\xc0\xca\xbf\x38\x06\xfe\x0c\x8e\x1a\x29\x46" "\x17\x90\xe7\xde\x3f\x4d\xe8\x63\xb6\xe4\x66\xb8\x38\x33\x28\xd9\xf2\x37" "\xf2\x53\x19\xe8\x89\x4f\xcf\xf9\xed\x9b\x47\x65\xe2\x5d\x54\x2c\xf7\x4a" "\x13\x95\xaf\x70\x82\x40\xf8\xbc\xd3\x10\xba\xf3\x2a\x16\x87\xdd\xe6\x27" "\x98\x4e\xb6\x86\x5d\xb8\x2f\x5a\xf0\x74\x6a\x10\x70\x4f\x8a\xda\x5b\xde" "\xbf\x93\x6e\x7a\xee\x47\xf3\xfe\xec\x81\x49\x45\x00\xb7\x9a\x33\x3b\xae" "\x25\x75\xc7\xea\x11\x95\x87\x1c\x75\x9c\x78\xd8\x7d\x0a\x3c\xdf\x36\x45" "\x7e\xb2\xcc\x8d\x31\xd4\xf4\x12\x6a\xf8\xca\xe8\x49\x8c\x09\x0c\x0d\xb7" "\x8f\xcc\x04\x30\x94\x1b\x38\x64\x13\xa4\x86\xc2\xfe\x35\xe0\x59\x58\xfb" "\xba\xd0\x7f\xae\xa8\x0c\x79\x15\x77\x89\x49\x29\xe0\x86\xff\x37\xf7\x2f" "\x04\xdc\x69\x54\x7e\x70\x02\xd7\x8c\xb8\xd3\xde\x8a\xfb\xf3\x6b\x37\x17" "\xe3\xdb\xba\xdc\xfc\x92\x92\x4b\x2a\xe1\xd6\x56\x53\xb2\x3a\x3d\x74\x8d" "\xa9\x57\x21\x48\x01\x96\xd0\xc0\xf4\x1c\x63\xdb\xd7\xc9\x47\xcd\xe1\xe0" "\x1c\x10\x5d\xf8\xb5\xe9\x02\x36\x0f\xb8\x6a\x72\x84\xbd\x1a\xf1\xee\x67" "\xf2\xca\xb6\x37\xa9\x2b\xc6\x39\x81\x26\x0d\x9a\xcf\x60\x09\x19\x4c\xc5" "\xce\xcb\xdc\x43\x2c\x3b\x4a\xde\x6b\xea\xc7\x2b\xdb\x92\xc3\xd4\xdb\x96" "\xf1\x51\xa7\xd8\x0c\xb3\x58\x2e\xad\x4c\x73\xce\x51\x7f\xe7\x36\xe3\x1e" "\x32\xb3\xa7\xf0\x2b\x45\xa8\x27\xb8\x45\xcb\x2e\xd3\x8e\x8b\x61\xcf\xbb" "\xb9\xc5\xc1\x47\x10\x14\x6b\xd8\x05\x21\x11\x67\x39\xac\x6c\x90\xad\x42" "\xdc\xc9\x17\xba\x60\x5f\xf9\xa4\xa2\x74\x73\xbd\x45\x43\xc9\x32\xa4\xa6" "\xb5\x50\x46\x6f\x74\x4d\xad\x8e\x2d\x68\xaa\x58\xa6\x4b\xca\x11\x76\x86" "\x94\xf8\x9b\x26\x32\x79\x48\x00\x73\x8c\xca\x5a\xa9\x20\x0a\xa0\xef\x3b" "\x5d\x19\x48\x31\xd2\x2d\x5c\xba\x70\xf3\x80\xa9\x96\xec\x5a\xcc\x5c\xb3" "\x4e\xe9\x39\xf0\xcd\x66\x15\x22\x93\x68\x5f\xe9\x13\xe5\x33\xb4\x87\xdb" "\x0c\x2d\xbd\x7d\xdc\xe6\x41\x77\x16\x4a\x7e\xb9\x5f\x99\xed\xfa\x19\x44" "\x33\x1c\xd6\x22\x4c\xd0\x2d\xe7\x40\x99\x12\xfa\x57\x7f\x5d\x3e\x88\x47" "\x81\xc3\x68\xad\xac\x34\x85\x7f\x7f\xed\x21\x4d\x7b\x5c\x4c\x80\xb4\x5d" "\xf2\x01\xd4\x14\xcc\x92\xc9\x37\xfe\x17\x61\x6a\xc3\xee\xe4\xff\xd2\xa6" "\xc6\xc3\x42\x7f\x01\x6d\xe9\x04\x61\x8d\xc1\x6a\xc0\x11\x85\x85\xd5\x19" "\xcd\x13\x68\x8f\x80\x32\xd5\x66\x5f\x72\x55\x22\x19\x97\x5a\x12\xc2\x20" "\xf6\x50\x35\xe8\x57\x91\xe1\x2b\x8d\x77\x2d\x40\x17\x8c\x7e\x33\xb9\x71" "\x56\x20\x7d\x51\x2d\xc1\x22\x41\x3e\x07\x26\x58\xb2\x5d\x72\x1f\x21\xe0" "\xf4\xaa\x10\x94\x73\xc8\x1e\x5d\x59\x7a\xe3\xaf\x83\xaf\xdd\x87\xed\xd2" "\xf9\xfb\x67\x4c\xa5\x3a\x0f\xbd\x8b\x3b\x77\x98\x58\x0f\x2b\x09\x92\xe3" "\x17\xf0\x02\xa7\x89\x4f\xc1\x5e\x6c\x88\xbf\xcc\xba\x8a\x4e\x2d\x22\x09" "\x7f\x8d\x09\x6b\x34\xac\x27\xac\x80\xd5\x68\x20\x9f\x9d\xac\xc0\x34\x54" "\x60\x46\x80\x82\x93\xe2\x8c\x14\xd7\x9d\x2d\x6a\xd7\xdd\xf0\x58\x90\x8c" "\xe0\xe7\xf7\x30\x29\x03\x24\xfd\x44\xe4\x97\x56\x1a\x19\xf8\x4d\x73\xb7" "\x85\x8c\x0e\x3e\x5d\xa4\x00\x3e\xb6\x9f\xfd\xef\x47\x1f\x7d\x82\x60\x21" "\xfb\x7b\xd9\xf8\xae\x07\xc2\xdc\x9d\xdc\xab\x52\xf9\xa3\x2f\x26\x84\xff" "\x90\xa0\x60\xa9\xb8\x4e\xfb\xca\xda\x6a\xc6\x77\xdf\x90\xad\x24\x0c\x8e" "\x13\x7c\x5a\xeb\xbc\x32\x96\xf6\xc0\x8f\x8c\x8d\xa5\xb1\x1a\x7f\x8c\xe0" "\x9b\xec\xc1\x05\xa6\x5a\xd7\xcb\xc7\xa9\x91\x56\x12\x1c\x3a\x42\x9d\x8d" "\x0b\x4b\xbb\x3e\x4d\x8b\xa8\xe1\xf4\xe9\x3b\x59\xbd\xc6\x47\x2a\x65\x03" "\xf6\xd7\xf0\x59\xcc\x3c\x6e\x0b\x2e\xc9\xd1\x97\x89\x38\xfd\xd3\x74\x56" "\xa5\x55\x6c\x20\x32\x0b\x3f\xab\x44\x1b\x69\x02\x04\xd7\x98\x39\xd4\x80" "\xc9\x8a\x32\x4b\x3d\xe0\x2c\x04\x8a\x69", 4096); syscall(SYS_write, r[0], 0x20000100ul, 0x1000ul); } int main(void) { syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul); for (procid = 0; procid < 6; procid++) { if (fork() == 0) { loop(); } } sleep(1000000); return 0; }