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s3: Fix crash in pam_winbind, another reference to freed memory.
author
Bo Yang
<boyang@samba.org>
Sat, 24 Oct 2009 02:55:36 +0000
(10:55 +0800)
committer
Karolin Seeger
<kseeger@samba.org>
Wed, 13 Jan 2010 13:00:52 +0000
(14:00 +0100)
Fix bug #6840.
Signed-off-by: Bo Yang <boyang@samba.org>
(cherry picked from commit
1791b1cc43ce744c73b473aff0e311acbdf0ee4e
)
source/nsswitch/pam_winbind.c
patch
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diff --git
a/source/nsswitch/pam_winbind.c
b/source/nsswitch/pam_winbind.c
index 3d0c5ef90e577f72c612e968b8db1c2e1ce8b427..74540817af0d6574d35e7b4691de84ab3ce68398 100644
(file)
--- a/
source/nsswitch/pam_winbind.c
+++ b/
source/nsswitch/pam_winbind.c
@@
-1784,7
+1784,7
@@
static int winbind_auth_request(struct pwb_context *ctx,
if (logon.blobs) {
wbcFreeMemory(logon.blobs);
}
- if (info && info->blobs) {
+ if (info && info->blobs
&& !p_info
) {
wbcFreeMemory(info->blobs);
}
if (error && !p_error) {
@@
-3138,10
+3138,14
@@
int pam_sm_chauthtok(pam_handle_t * pamh, int flags,
free(username_ret);
}
- wbcFreeMemory(info);
- wbcFreeMemory(policy);
}
+ if (info && info->blobs) {
+ wbcFreeMemory(info->blobs);
+ }
+ wbcFreeMemory(info);
+ wbcFreeMemory(policy);
+
goto out;
}
} else {