http://sourceware.org/bugzilla/show_bug.cgi?id=14567
Bug #: 14567
Summary: bfd_openr_next_archived_file is incompatible with
bfd_openr_iovec
Product: binutils
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: binutils
AssignedTo: unassig...@sourceware.org
ReportedBy: arseny.kapoulk...@gmail.com
Classification: Unclassified
Attempting to open an archive file using bfd_openr_iovec and to subsequently
analyze the first archive member as follows:
bfd* parent = bfd_openr_iovec(path, 0, iovecOpen, &p, iovecRead, iovecClose,
iovecStat);
if (bfd_check_format(parent, bfd_archive))
{
bfd* abfd = bfd_openr_next_archived_file(parent, NULL);
if (!abfd) return 0;
bfd_check_format(abfd, bfd_object);
...
}
results in a crash in opncls_bseek, that occurs because iostream member of the
child archive is NULL. _bfd_new_bfd_contained_in does not copy the iostream
member from the parent; adding the relevant assignment to this function fixes
the crash:
*** opncls.c 2012-09-09 20:59:30.489801700 -0700
--- opnclsnew.c 2012-09-09 20:59:16.483000600 -0700
***************
*** 119,124 ****
--- 119,125 ----
return NULL;
nbfd->xvec = obfd->xvec;
nbfd->iovec = obfd->iovec;
+ nbfd->iostream = obfd->iostream;
nbfd->my_archive = obfd;
nbfd->direction = read_direction;
nbfd->target_defaulted = obfd->target_defaulted;
--
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