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gossipd: fix memleak.

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Not really a leak, since we eventually process pending, but still:

```
    **BROKEN** gossipd: MEMLEAK: 0x5562fa63bab8
    **BROKEN** gossipd:   label=wire/peer_exp_wiregen.c:3858:u8[]
    DEBUG   gossipd:   backtrace:
    DEBUG   gossipd:     ccan/ccan/tal/tal.c:442 (tal_alloc_)
    DEBUG   gossipd:     ccan/ccan/tal/tal.c:471 (tal_alloc_arr_)
    DEBUG   gossipd:     wire/peer_exp_wiregen.c:3858 (fromwire_channel_announcement)
    DEBUG   gossipd:     gossipd/routing.c:1706 (handle_channel_announcement)
    DEBUG   gossipd:     gossipd/gossipd.c:238 (handle_channel_announcement_msg)
    DEBUG   gossipd:     gossipd/gossipd.c:444 (peer_msg_in)
    DEBUG   gossipd:     common/daemon_conn.c:31 (handle_read)
    DEBUG   gossipd:     ccan/ccan/io/io.c:59 (next_plan)
    DEBUG   gossipd:     ccan/ccan/io/io.c:407 (do_plan)
    DEBUG   gossipd:     ccan/ccan/io/io.c:417 (io_ready)
    DEBUG   gossipd:     ccan/ccan/io/poll.c:445 (io_loop)
    DEBUG   gossipd:     gossipd/gossipd.c:1730 (main)
    **BROKEN** gossipd:   parents:
    **BROKEN** gossipd:     gossipd/routing.c:1698:struct pending_cannouncement
    **BROKEN** gossipd:     gossipd/gossipd.c:1700:struct daemon
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2020-11-25 10:48:43 +10:30
parent 25fcc4ddbf
commit 3408f8f998
1 changed files with 3 additions and 0 deletions
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3
gossipd/routing.c
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@ -1721,6 +1721,9 @@ u8 *handle_channel_announcement(struct routing_state *rstate,
goto malformed;
}
/* We don't use features */
tal_free(features);
/* If we know the blockheight, and it's in the future, reject
* out-of-hand. Remember, it should be 6 deep before they tell us
* anyway. */