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common: don't crash on bad sphinx payload.

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It's cleanest to eliminate the SPHINX_INVALID_PAYLOAD altogether.

lightning_channeld: FATAL SIGNAL (version v0.7.3-242-gb1583bb-modded)
0x55a8169eed08 send_backtrace
	common/daemon.c:41
0x55a8169fc3eb status_failed
	common/status.c:206
0x55a8169fc657 status_backtrace_exit
	common/subdaemon.c:25
0x55a8169eedbb crashdump
	common/daemon.c:57
0x7f0eaff8446f ???
	???:0
0x7f0eaff843eb ???
	???:0
0x7f0eaff63898 ???
	???:0
0x55a8169fb29f route_step_decode
	common/sphinx.c:759
0x55a8169fb60a process_onionpacket
	common/sphinx.c:834
0x55a8169d9b34 get_shared_secret
	channeld/channeld.c:605
0x55a8169d9d35 handle_peer_add_htlc
	channeld/channeld.c:649
0x55a8169dd88d peer_in
	channeld/channeld.c:1838
0x55a8169e11a8 main
	channeld/channeld.c:3233
0x7f0eaff651e2 ???

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-12-04 16:24:17 +10:30
committed by Christian Decker
parent f8d8348c9f
commit bb538a1862
3 changed files with 10 additions and 20 deletions
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1
common/sphinx.h
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@@ -71,7 +71,6 @@ struct hop_data_legacy {
enum sphinx_payload_type {
SPHINX_V0_PAYLOAD = 0,
SPHINX_TLV_PAYLOAD = 1,
SPHINX_INVALID_PAYLOAD = 254,
SPHINX_RAW_PAYLOAD = 255,
};