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| author | David Disseldorp <ddiss@suse.de> | 2011-11-02 18:39:03 +0100 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2012-10-26 22:40:57 +0200 |
| commit | ec0f51b200d6e5b99bbd872e169621c17f33524c (patch) | |
| tree | 6712d5ea1321e5e2ad1e7c489efb3b5c0516b1d3 | |
| parent | 281c62b33001571a4d926b30035e65d93d649660 (diff) | |
| download | samba-ec0f51b200d6e5b99bbd872e169621c17f33524c.tar.gz samba-ec0f51b200d6e5b99bbd872e169621c17f33524c.tar.bz2 samba-ec0f51b200d6e5b99bbd872e169621c17f33524c.zip | |
pam_winbind: fix segfault in pam_sm_authenticate()
Ensure the potentially null winbind context is not dereferenced on
cleanup.
https://bugzilla.samba.org/show_bug.cgi?id=8564
Signed-off-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Oct 26 22:40:57 CEST 2012 on sn-devel-104
| -rw-r--r-- | nsswitch/pam_winbind.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nsswitch/pam_winbind.c b/nsswitch/pam_winbind.c index 83d7bb67da..29d6f7c7bc 100644 --- a/nsswitch/pam_winbind.c +++ b/nsswitch/pam_winbind.c @@ -2736,9 +2736,10 @@ out: _pam_free_data_info3(pamh); } - _PAM_LOG_FUNCTION_LEAVE("pam_sm_authenticate", ctx, retval); - - TALLOC_FREE(ctx); + if (ctx != NULL) { + _PAM_LOG_FUNCTION_LEAVE("pam_sm_authenticate", ctx, retval); + TALLOC_FREE(ctx); + } return retval; } |