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bgpd: Flush temporary attributes after route-map apply

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Fixes crash:

```
Received signal 6 at 1644222173 (si_addr 0x6f000012d2, PC 0x7f79274cbfb7); aborting...
/usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(zlog_backtrace_sigsafe+0x6d) [0x7f79282e079d]
/usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(zlog_signal+0xf3) [0x7f79282e0993]
/usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(+0xbd881) [0x7f792830b881]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12980) [0x7f7927890980]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7) [0x7f79274cbfb7]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141) [0x7f79274cd921]
/lib/x86_64-linux-gnu/libc.so.6(+0x89967) [0x7f7927516967]
/lib/x86_64-linux-gnu/libc.so.6(+0x909da) [0x7f792751d9da]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x620) [0x7f7927525050]
/usr/lib/frr/bgpd(+0x1e7c1c) [0x55b5c53b1c1c]
/usr/lib/frr/bgpd(aspath_free+0x28) [0x55b5c53b1c78]
/usr/lib/frr/bgpd(bgp_attr_flush+0x245) [0x55b5c52abc15]
/usr/lib/frr/bgpd(subgroup_announce_check+0x1137) [0x55b5c530c5d7]
```

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
(cherry picked from commit 686826e90e)
This commit is contained in:
Donatas Abraitis 2022-02-07 10:50:33 +02:00 committed by mergify-bot
parent 35b9d2e4ef
commit 206afbe520
1 changed files with 1 additions and 1 deletions
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2
bgpd/bgp_route.c
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@ -2203,7 +2203,7 @@ bool subgroup_announce_check(struct bgp_dest *dest, struct bgp_path_info *pi,
"%s [Update:SEND] %pFX is filtered by route-map",
peer->host, p);
bgp_attr_flush(attr);
bgp_attr_flush(&dummy_attr);
return false;
}
}