linux-kernel - Re: Selinux going crazy in 2.6.34-rc0

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100306104946.GB30031@ZenIV.linux.org.uk>
Date:	Sat, 6 Mar 2010 10:49:46 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	James Morris <jmorris@...ei.org>
Subject: Re: Selinux going crazy in 2.6.34-rc0

On Sat, Mar 06, 2010 at 02:29:19AM -0800, Dmitry Torokhov wrote:
> Hi,
> 
> Selinux generates insane amounts of denial messages like the following
> over and over again:
 
> type=SYSCALL msg=audit(1267870752.587:23084): arch=c000003e syscall=0 success=no exit=-13 a0=5 a1=2049af0 a2=400 a3=0 items=0 ppid=1 pid=1807 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="polkitd" exe="/usr/libexec/polkit-1/polkitd" subj=system_u:system_r:policykit_t:s0-s0:c0.c1023 key=(null)
> type=AVC msg=audit(1267870752.587:23085): avc:  denied  { ioctl } for pid=1807 comm="polkitd" path="anon_inode:inotify" dev=anon_inodefs ino=839 scontext=system_u:system_r:policykit_t:s0-s0:c0.c1023 tcontext=system_u:object_r:anon_inodefs_t:s0 tclass=file
> type=SYSCALL msg=audit(1267870752.587:23085): arch=c000003e syscall=16 success=no exit=-13 a0=5 a1=541b a2=7fff7b494bec a3=0 items=0 ppid=1 pid=1807 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="polkitd" exe="/usr/libexec/polkit-1/polkitd" subj=system_u:system_r:policykit_t:s0-s0:c0.c1023 key=(null)
> type=AVC msg=audit(1267870752.587:23086): avc:  denied  { read } for pid=1807 comm="polkitd" path="anon_inode:inotify" dev=anon_inodefs ino=839 scontext=system_u:system_r:policykit_t:s0-s0:c0.c1023 tcontext=system_u:object_r:anon_inodefs_t:s0 tclass=file
> type=SYSCALL msg=audit(1267870752.587:23086): arch=c000003e syscall=0 success=no exit=-13 a0=5 a1=2049af0 a2=400 a3=0 items=0 ppid=1 pid=1807 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="polkitd" exe="/usr/libexec/polkit-1/polkitd" subj=system_u:system_r:policykit_t:s0-s0:c0.c1023 key=(null)
> type=AVC msg=audit(1267870752.587:23087): avc:  denied  { ioctl } for pid=1807 comm="polkitd" path="anon_inode:inotify" dev=anon_inodefs ino=839 scontext=system_u:system_r:policykit_t:s0-s0:c0.c1023 tcontext=system_u:object_r:anon_inodefs_t:s0 tclass=file
> type=SYSCALL msg=audit(1267870752.587:23087): arch=c000003e syscall=16 success=no exit=-13 a0=5 a1=541b a2=7fff7b494bec a3=0 items=0 ppid=1 pid=1807 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="polkitd" exe="/usr/libexec/polkit-1/polkitd" subj=system_u:system_r:policykit_t:s0-s0:c0.c1023 key=(null)
 
Interesting...  That smells like a selinux policy that needed recognition
of inotify file descriptors and got b0rken by
commit c44dcc56d2b5c79ba3063d20f76e5347e2e418f6
that switched inotify to use of anon_inodes.  Could you check if that's the
trigger?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/