diff options
Diffstat (limited to 'crypto/openssl/crypto/bio/b_print.c')
| -rw-r--r-- | crypto/openssl/crypto/bio/b_print.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/crypto/openssl/crypto/bio/b_print.c b/crypto/openssl/crypto/bio/b_print.c index 8ef90ac1d4f8b..41b7f5e2f61d1 100644 --- a/crypto/openssl/crypto/bio/b_print.c +++ b/crypto/openssl/crypto/bio/b_print.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -635,7 +635,11 @@ fmtfp(char **sbuffer, fvalue = tmpvalue; } ufvalue = abs_val(fvalue); - if (ufvalue > ULONG_MAX) { + /* + * By subtracting 65535 (2^16-1) we cancel the low order 15 bits + * of ULONG_MAX to avoid using imprecise floating point values. + */ + if (ufvalue >= (double)(ULONG_MAX - 65535) + 65536.0) { /* Number too big */ return 0; } |