// https://syzkaller.appspot.com/bug?id=fde520311d6318a3707c815e1f10140fe8862e1a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_futex_wake #define __NR_futex_wake 454 #endif int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } *(uint32_t*)0x200000000200 = 0xc6d; *(uint32_t*)0x200000000204 = 0xee01; *(uint32_t*)0x200000000208 = 0xee01; *(uint32_t*)0x20000000020c = 0; *(uint32_t*)0x200000000210 = 3; *(uint32_t*)0x200000000214 = 0x40; *(uint16_t*)0x200000000218 = 3; *(uint32_t*)0x20000000021c = 5; *(uint64_t*)0x200000000220 = 0xf; *(uint64_t*)0x200000000228 = 1; *(uint64_t*)0x200000000230 = 0; *(uint32_t*)0x200000000238 = -1; *(uint32_t*)0x20000000023c = 0; *(uint16_t*)0x200000000240 = 5; *(uint16_t*)0x200000000242 = 0; *(uint64_t*)0x200000000248 = 0; *(uint64_t*)0x200000000250 = 0x200000000100; memcpy( (void*)0x200000000100, "\x1c\xb8\x5f\xb8\x73\xe9\x46\x29\x2f\x68\x23\x82\xac\x34\x03\x19\xd2\xee" "\x14\x27\x40\xbe\xba\xa2\xce\x77\x40\xee\xe6\x67\x38\x89\x18\x20\x0b\x26" "\x41\xdf\x6d\xcc\x42\x38\x0e\x1b\xa5\xaf\x5c\x8a\x03\x8b\xf1\xf0\x58\xd7" "\xbc\x9a\x7d\x65\x41\x06\xc8\x76\x5a\xbf\x45\x7d\xbb\xf8\x64\x9f\x29\x88" "\xd5\xc0\xfd\x11\xf2\xb3\x53\xa3\x1b\xfa\x5b\xd8\x54\x41\x03\xc7\xb7\x61" "\x39\x00\xc5\xaf\x97\xb8\x78\xb9\xaf\xd4\xe7\xed\xd3\xb8\xea\xbc\x33\xad" "\x64\x46\xfa\x8d\x79\x21\xba\xba\xe3\x41\x7e\xef\x3a\x5a\xb6\x14\xc3\x97" "\x41\xab\x4e\xdd\x9f\x50\xf4\x72\x93\x8f\x49\x48\xa9\x2b\x1a\x51\x1c\x52" "\x63\xa5\xf9\x5d\xcb\x93\xe5\xfd\xf8\xb0\xac\xd2\x1e\xc5\xf5\xe4\x01\xa1" "\xf1\xd6\x42\x35\x0a\x50\xc9\xdc\xa0\x3b\x37\x3b\x6f\x89\x90\x59\xf7\x74" "\x8a\x26\x29\x83\x52\x72\x85\x68\x2a\xa8\x16\xe7\xa2\xfa\x83\xf4\xc8\x13" "\xa4\x4a\x1f\xaa\x74\xed\x28\x9a\xab\x0c\xdf\x27\xab\xe5\xa1\x74\xe5\xbe" "\xbe\xe0\x36\xa5\x71\xc7\x7d\xd2\xb0\x9c\x5c\x4d\x27\x6f\x6f\x2b\x41\x13" "\x89\xf0\x43\x5f\x01\x29\xb5\x74\x7e\xce\x5a\x28\xb3\x30", 248); syscall(__NR_shmctl, /*shmid=*/0xb1e, /*cmd=*/0xcul, /*buf=*/0x200000000200ul); syscall(__NR_futex_wake, /*uaddr=*/0x200000000140ul, /*mask=*/8ul, /*nr=*/6, /*flags=*/6); return 0; }