Re: [next] Null pointer dereference in mls_compute_sid()

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It should be fixed in today's linux-next!  I'm so sorry about that!

On Wed, 2012-03-21 at 23:12 +0100, Martin Nyhus wrote:
> Hi,
> 
> while running next-20120321 the class passed in to mls_compute_sid()
> (tclass) is sometimes 0 which leads to a read from
> policydb.class_val_to_struct[-1] causing a null pointer dereference
> when cladatum is used (at mls.c:535).
> 
> The crash happens on every boot, just after mounting the filesystem.
> 
> Calltrace:
> security_compute_sid.part.7
> security_compute_sid
> security_transition_sid_user
> ? security_context_to_sid
> sel_write_create
> ? might_fault
> ? _raw_spin_unlock
> ? sel_write_member
> selinux_transaction_write
> vfs_write
> sys_write
> system_call_fastpath
> 
> 
> 	Martin Nyhus



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