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Re: [PATCH v2 03/11] x86/mkreloc: use the string table to get names
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 2 Apr 2025 09:42:51 +0200
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- Cc: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 02 Apr 2025 07:42:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 01.04.2025 15:08, Roger Pau Monne wrote:
> @@ -83,6 +111,31 @@ static unsigned int load(const char *name, int *handle,
> exit(3);
> }
>
> + if ( !string_table && pe_hdr.symbol_table )
> + {
> + char *strings;
> +
> + if ( lseek(in, pe_hdr.symbol_table + pe_hdr.symbols * SYM_SIZE,
> + SEEK_SET) < 0 ||
> + read(in, &string_table_size, sizeof(string_table_size)) !=
> + sizeof(string_table_size) )
> + {
> + perror(name);
> + exit(3);
> + }
> +
> + string_table_size -= sizeof(string_table_size);
> + strings = malloc(string_table_size);
One more thing: Perhaps better to allocate an extra byte here, ...
> + if ( read(in, strings, string_table_size) != string_table_size )
> + {
> + perror(name);
> + exit(3);
> + }
> +
> + string_table = strings;
> + }
... and then put a nul terminator at the end, just in case.
Jan
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