Eric Dumazet a =C3=A9crit :
quoted text
> Denys Fedoryshchenko a =C3=A9crit :
>> Already patched and tested, it doesn't change anything.
>>
>>  =20
>
> We still leak dsts somewhere.
>
> You could try git bisect, or try to patch net/core/dst.c so that=20
> dst_gc_task() (line 83) displays
> route informations for say 10 first entries found in the dst_busy_list
> (refcnt, interface, source IP, dest IP, things like that) that could=20
> ring a bell given your netfilter rules or network conf.

I cooked a patch (untested) to implement this idea :

It should display lines similar to /proc/net/rt_cache (reusing the same=20
helper function)

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>

 include/net/dst.h |    2 +
 net/core/dst.c    |    7 ++++++
 net/ipv4/route.c  |   47 ++++++++++++++++++++++++++------------------
 3 files changed, 37 insertions(+), 19 deletions(-)