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From: Samuel Thibault <sthibaul@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc] hurd hurdstartup: Initialize remaining fields of hurd_startup_data
Date: Mon,  2 Jan 2023 10:36:26 +0000 (GMT)	[thread overview]
Message-ID: <20230102103626.7D44B3858408@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f77bd0ee9a4a7ef7295f3a35a0ca67c95c4e1bd6

commit f77bd0ee9a4a7ef7295f3a35a0ca67c95c4e1bd6
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Mon Jan 2 01:36:02 2023 +0100

    hurd hurdstartup: Initialize remaining fields of hurd_startup_data
    
    In case we don't have a bootstrap port or __exec_startup_get_info
    failed, we should avoid leaking uninitialized fields of data.

Diff:
---
 hurd/hurdstartup.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hurd/hurdstartup.c b/hurd/hurdstartup.c
index e9cd8a360b..d312766052 100644
--- a/hurd/hurdstartup.c
+++ b/hurd/hurdstartup.c
@@ -145,6 +145,11 @@ _hurd_startup (void **argptr, void (*main) (intptr_t *data))
       data.portarraysize = 0;
       data.intarray = NULL;
       data.intarraysize = 0;
+      data.stack_base = 0;
+      data.stack_size = 0;
+      data.phdr = 0;
+      data.phdrsz = 0;
+      data.user_entry = 0;
     }
   else if ((void *) &envp[envc + 1] == argv[0])
     {

                 reply	other threads:[~2023-01-02 10:36 UTC|newest]

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