crypto/pkcs12/p12_crt.c:289: error: USE_AFTER_FREE
  call to `sk_PKCS7_free()` eventually accesses memory that was invalidated by call to `free()` on line 282 indirectly during the call to `sk_PKCS7_push()`.
Showing all 22 steps of the trace


crypto/pkcs12/p12_crt.c:261:19: invalidation part of the trace starts here
259.   
260.       if (!*psafes) {
261.           *psafes = sk_PKCS7_new_null();
                         ^
262.           if (!*psafes)
263.               return 0;

crypto/pkcs12/p12_crt.c:261:19: passed as argument to `sk_PKCS7_new_null`
  259.   
  260.       if (!*psafes) {
  261.           *psafes = sk_PKCS7_new_null();
                           ^
  262.           if (!*psafes)
  263.               return 0;

crypto/pkcs12/p12_crt.c:261:19: return from call to `sk_PKCS7_new_null`
  259.   
  260.       if (!*psafes) {
  261.           *psafes = sk_PKCS7_new_null();
                           ^
  262.           if (!*psafes)
  263.               return 0;

crypto/pkcs12/p12_crt.c:261:9: assigned
  259.   
  260.       if (!*psafes) {
  261.           *psafes = sk_PKCS7_new_null();
                 ^
  262.           if (!*psafes)
  263.               return 0;

crypto/pkcs12/p12_crt.c:282:10: when calling `sk_PKCS7_push` here
  280.           goto err;
  281.   
  282.       if (!sk_PKCS7_push(*psafes, p7))
                  ^
  283.           goto err;
  284.   

include/openssl/pkcs7.h:199:1: parameter `sk` of sk_PKCS7_push
    197.   } PKCS7;
    198.   
    199. > DEFINE_STACK_OF(PKCS7)
    200.   
    201.   # define PKCS7_OP_SET_DETACHED_SIGNATURE 1

include/openssl/pkcs7.h:199:1: when calling `sk_push` here
    197.   } PKCS7;
    198.   
    199. > DEFINE_STACK_OF(PKCS7)
    200.   
    201.   # define PKCS7_OP_SET_DETACHED_SIGNATURE 1

crypto/stack/stack.c:258:1: parameter `st` of sk_push
      256.   }
      257.   
      258. > int sk_push(_STACK *st, void *data)
      259.   {
      260.       return (sk_insert(st, data, st->num));

crypto/stack/stack.c:260:13: when calling `sk_insert` here
      258.   int sk_push(_STACK *st, void *data)
      259.   {
      260.       return (sk_insert(st, data, st->num));
                         ^
      261.   }
      262.   

crypto/stack/stack.c:166:1: parameter `st` of sk_insert
        164.   }
        165.   
        166. > int sk_insert(_STACK *st, void *data, int loc)
        167.   {
        168.       char **s;

crypto/stack/stack.c:173:13: when calling `CRYPTO_realloc` here
        171.           return 0;
        172.       if (st->num_alloc <= st->num + 1) {
        173.           s = OPENSSL_realloc((char *)st->data,
                           ^
        174.                               (unsigned int)sizeof(char *) * st->num_alloc * 2);
        175.           if (s == NULL)

crypto/mem.c:165:1: parameter `str` of CRYPTO_realloc
          163.   }
          164.   
          165. > void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)
          166.   {
          167.       if (str == NULL)

crypto/mem.c:171:9: when calling `CRYPTO_free` here
          169.   
          170.       if (num == 0) {
          171.           CRYPTO_free(str);
                         ^
          172.           return NULL;
          173.       }

crypto/mem.c:233:1: parameter `str` of CRYPTO_free
            231.   }
            232.   
            233. > void CRYPTO_free(void *str)
            234.   {
            235.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG

crypto/mem.c:244:5: was invalidated by call to `free()`
            242.       }
            243.   #else
            244.       free(str);
                       ^
            245.   #endif
            246.   }

crypto/pkcs12/p12_crt.c:261:19: use-after-lifetime part of the trace starts here
259.   
260.       if (!*psafes) {
261.           *psafes = sk_PKCS7_new_null();
                         ^
262.           if (!*psafes)
263.               return 0;

crypto/pkcs12/p12_crt.c:261:19: passed as argument to `sk_PKCS7_new_null`
  259.   
  260.       if (!*psafes) {
  261.           *psafes = sk_PKCS7_new_null();
                           ^
  262.           if (!*psafes)
  263.               return 0;

crypto/pkcs12/p12_crt.c:261:19: return from call to `sk_PKCS7_new_null`
  259.   
  260.       if (!*psafes) {
  261.           *psafes = sk_PKCS7_new_null();
                           ^
  262.           if (!*psafes)
  263.               return 0;

crypto/pkcs12/p12_crt.c:261:9: assigned
  259.   
  260.       if (!*psafes) {
  261.           *psafes = sk_PKCS7_new_null();
                 ^
  262.           if (!*psafes)
  263.               return 0;

crypto/pkcs12/p12_crt.c:289:9: when calling `sk_PKCS7_free` here
  287.    err:
  288.       if (free_safes) {
  289.           sk_PKCS7_free(*psafes);
                 ^
  290.           *psafes = NULL;
  291.       }

crypto/mem.c:233:1: parameter `str` of CRYPTO_free
    231.   }
    232.   
    233. > void CRYPTO_free(void *str)
    234.   {
    235.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG

crypto/mem.c:244:5: invalid access occurs here
    242.       }
    243.   #else
    244.       free(str);
               ^
    245.   #endif
    246.   }
