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| author | Florian Westphal | 2014-06-08 11:41:23 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso | 2014-06-16 12:51:36 +0200 |
| commit | cd5f336f1780cb20e83146cde64d3d5779e175e6 (patch) | |
| tree | 1256bde8377eda4f1ca29a232eaaa0e8a3d13e22 /net/netfilter/nf_tables_api.c | |
| parent | netfilter: ctnetlink: fix dumping of dying/unconfirmed conntracks (diff) | |
| download | kernel-qcow2-linux-cd5f336f1780cb20e83146cde64d3d5779e175e6.tar.gz kernel-qcow2-linux-cd5f336f1780cb20e83146cde64d3d5779e175e6.tar.xz kernel-qcow2-linux-cd5f336f1780cb20e83146cde64d3d5779e175e6.zip | |
netfilter: ctnetlink: fix refcnt leak in dying/unconfirmed list dumper
'last' keeps track of the ct that had its refcnt bumped during previous
dump cycle. Thus it must not be overwritten until end-of-function.
Another (unrelated, theoretical) issue: Don't attempt to bump refcnt of a conntrack
whose reference count is already 0. Such conntrack is being destroyed
right now, its memory is freed once we release the percpu dying spinlock.
Fixes: b7779d06 ('netfilter: conntrack: spinlock per cpu to protect special lists.')
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
0 files changed, 0 insertions, 0 deletions