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2003-01-29 Roland McGrath <roland@redhat.com>

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* 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.
This commit is contained in:
Roland McGrath 2003-01-30 08:20:09 +00:00
parent a7d9b3e092
commit 87f728411a
1 changed files with 4 additions and 1 deletions
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5
linuxthreads_db/td_ta_new.c
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@ -1,5 +1,5 @@
/* Attach to target process. /* 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. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. 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) if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
goto free_return; 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. */ /* Now add the new agent descriptor to the list. */