Hello! Sorry for the delay, we were somehow busy.
On 6/25/19 7:57 PM, Vincent Bernat wrote:
> When filtering routes in BGP, I get the following crash with BIRD master:
>
> #v+
> Program received signal SIGSEGV, Segmentation fault.
> 0x000055555558ccdd in rta_free (r=0x55555558adc0 <rte_get_temp+16>) at
> ../nest/route.h:643
> 643 static inline void rta_free(rta *r) { if (r && !--r->uc)
> rta__free(r); }
> #v-
>
> [...]
>
> Minimal configuration is:
>
> #v+
> log "/var/log/bird.log" all;
> router id 2.2.2.2;
>
> filter validated {
> reject;
> }
>
> protocol device {
> }
>
> protocol bgp {
> local as 65001;
> neighbor 2001:db8:aaaa::0 as 65000;
> ipv6 {
> import filter validated;
> export none;
> };
> }
> #v-
>
> I have tried to fix that by initializing `old_attrs` to NULL, but this
> leads to crash elsewhere. Since I don't know what a temporary attribute
> is, I may miss the whole picture.
I think the old_attrs should be initialized to NULL and the other crash may be
independent on this.
Anyway, I didn't manage to reproduce the other crash; could you please try with
current master?
Thanks
Maria
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