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| author | Roland McGrath <roland@gnu.org> | 2003-01-30 08:20:09 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2003-01-30 08:20:09 +0000 |
| commit | 87f728411a5d6b26aee5c55a01949cda17197499 (patch) | |
| tree | 7a0a95459cd773b060d194ad7c94986a8c0f7d2a | |
| parent | a7d9b3e09243b13d6649191d907d39eacc9dbac0 (diff) | |
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2003-01-29 Roland McGrath <roland@redhat.com>
* td_ta_new.c (td_ta_new): Cap the `sizeof_descr' value read from the
inferior at `sizeof (struct _pthread_descr_struct)', since we use it
as a length in copies to our own structures.
| -rw-r--r-- | linuxthreads_db/td_ta_new.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/linuxthreads_db/td_ta_new.c b/linuxthreads_db/td_ta_new.c index 50ddf0acc3..e93d8b4c50 100644 --- a/linuxthreads_db/td_ta_new.c +++ b/linuxthreads_db/td_ta_new.c @@ -1,5 +1,5 @@ /* Attach to target process. - Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. @@ -127,6 +127,9 @@ td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta) { if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK) goto free_return; + /* Don't let bogons in the inferior make us mess ourselves. */ + if ((*ta)->sizeof_descr > sizeof (struct _pthread_descr_struct)) + (*ta)->sizeof_descr = sizeof (struct _pthread_descr_struct); } /* Now add the new agent descriptor to the list. */ |