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authorGuillaume Chazarain <guichaz@yahoo.fr>2006-07-21 14:45:25 -0700
committerDavid S. Miller <davem@davemloft.net>2006-07-21 14:45:25 -0700
commit89e1df74f841fc31e81838d30594c4eff01859f8 (patch)
treea9a8069feccad982642f932ccef01f64a1391796 /REPORTING-BUGS
parentfbeff3c1d35d07b1f967e47fcfb00cd16b7ecd02 (diff)
downloadop-kernel-dev-89e1df74f841fc31e81838d30594c4eff01859f8.zip
op-kernel-dev-89e1df74f841fc31e81838d30594c4eff01859f8.tar.gz
[PKT_SCHED] netem: Fix slab corruption with netem (2nd try)
CONFIG_DEBUG_SLAB found the following bug: netem_enqueue() in sch_netem.c gets a pointer inside a slab object: struct netem_skb_cb *cb = (struct netem_skb_cb *)skb->cb; But then, the slab object may be freed: skb = skb_unshare(skb, GFP_ATOMIC) cb is still pointing inside the freed skb, so here is a patch to initialize cb later, and make it clear that initializing it sooner is a bad idea. [From Stephen Hemminger: leave cb unitialized in order to let gcc complain in case of use before initialization] Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'REPORTING-BUGS')
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