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* [Bug nis/5378] New: nss_compat: Crash on initgroups() NSS query failure
@ 2007-11-21 3:18 pasky at suse dot cz
2007-11-21 3:18 ` [Bug nis/5378] " pasky at suse dot cz
2007-11-23 2:38 ` drepper at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: pasky at suse dot cz @ 2007-11-21 3:18 UTC (permalink / raw)
To: glibc-bugs
In nss_compat's getgrent_next_nss(), when the initial NSS query on initgroups()
succeeds but the subsequent nss_getgrgid_r() query fails, the data buffer is
left with garbage which subsequently makes check_and_add_group() crash. This can
occur e.g. with nss_ldap when the server goes down in the middle of a massive
volume of requests (e.g. in nscd).
--
Summary: nss_compat: Crash on initgroups() NSS query failure
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: nis
AssignedTo: kukuk at suse dot de
ReportedBy: pasky at suse dot cz
CC: glibc-bugs at sources dot redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=5378
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* [Bug nis/5378] nss_compat: Crash on initgroups() NSS query failure
2007-11-21 3:18 [Bug nis/5378] New: nss_compat: Crash on initgroups() NSS query failure pasky at suse dot cz
@ 2007-11-21 3:18 ` pasky at suse dot cz
2007-11-23 2:38 ` drepper at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: pasky at suse dot cz @ 2007-11-21 3:18 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From pasky at suse dot cz 2007-11-21 03:18 -------
Created an attachment (id=2101)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=2101&action=view)
Proposed patch
--
http://sourceware.org/bugzilla/show_bug.cgi?id=5378
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* [Bug nis/5378] nss_compat: Crash on initgroups() NSS query failure
2007-11-21 3:18 [Bug nis/5378] New: nss_compat: Crash on initgroups() NSS query failure pasky at suse dot cz
2007-11-21 3:18 ` [Bug nis/5378] " pasky at suse dot cz
@ 2007-11-23 2:38 ` drepper at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: drepper at redhat dot com @ 2007-11-23 2:38 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2007-11-23 02:37 -------
The patch is quite correct. I've checked in a modified version.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=5378
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end of thread, other threads:[~2007-11-23 2:38 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2007-11-21 3:18 [Bug nis/5378] New: nss_compat: Crash on initgroups() NSS query failure pasky at suse dot cz
2007-11-21 3:18 ` [Bug nis/5378] " pasky at suse dot cz
2007-11-23 2:38 ` drepper at redhat dot com
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