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Stop radare2 from freeing our bfd_alloc'ed buffer

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This commit is contained in:
Les De Ridder 2020-07-12 17:39:14 +02:00
parent 71b82dfea9
commit b65dd571b3
1 changed files with 14 additions and 1 deletions

15
bfd/pdb.c

@ -6,7 +6,12 @@
bfd_boolean
bfd_pdb_close_and_cleanup (bfd *abfd)
{
abfd->tdata.pdb_data->pdb->finish_pdb_parse (abfd->tdata.pdb_data->pdb);
if (abfd->tdata.pdb_data
&& abfd->tdata.pdb_data->pdb
&& abfd->tdata.pdb_data->pdb->finish_pdb_parse)
{
abfd->tdata.pdb_data->pdb->finish_pdb_parse (abfd->tdata.pdb_data->pdb);
}
return TRUE;
}
@ -96,12 +101,20 @@ r_buffer_seek (RBuffer *buffer, st64 address, int whence)
return abfd->iovec->bseek (abfd, address, whence);
}
static bool
r_buffer_fini(RBuffer *buffer)
{
//if we return TRUE, radare2 will try calling free on our bfd_alloc'ed buffer
return FALSE;
}
static bfd_pdb_data_struct *
get_bfd_pdb_data (bfd *abfd)
{
RBufferMethods *buffer_methods = bfd_zalloc (abfd, sizeof (RBufferMethods));
buffer_methods->read = &r_buffer_read;
buffer_methods->seek = &r_buffer_seek;
buffer_methods->fini = &r_buffer_fini;
RBuffer *r_buffer = bfd_zalloc (abfd, sizeof (RBuffer));
r_buffer->methods = buffer_methods;