crash when syncing gossip from scratch with v25.09 #8542
Description
OS: ubuntu 24.04
arch: x86_64
network: mainnet
2025-09-08T23:35:50.608Z DEBUG gossipd: Enqueueing update for announce 010297ce9ce5f71867a2abda09f66946ffad6f2825cbd831b09a57c9305eec838f506bb1ef84ec789af6fedbae223af84a5430113f63f595dc7147c9242bff5ad38a6fe28c0ab6f1b372c119:35:51 [118/965$
8365e15a089c68d61900000000000c5abe0003c4000068bed6d00101005000000000000003e8000003e8000003e800000005d21dba00
lightning_gossipd: common/gossmap.c:111: map_copy: Assertion `localchanoff + len <= tal_bytelen(map->local_updates)' failed.
lightning_gossipd: FATAL SIGNAL 6 (version v25.09)
2025-09-08T23:35:51.496Z **BROKEN** connectd: Truncated gossmap record @7991501/7991523 (len 0): waiting
2025-09-08T23:35:51.584Z DEBUG plugin-bcli: Log pruned 497 entries (mem 10503830 -> 4016160)
0x6506817cc4dc send_backtrace
common/daemon.c:33
0x6506817cc578 crashdump
common/daemon.c:78
0x75e8267a032f ???
./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0
0x75e8267f9b2c __pthread_kill_implementation
./nptl/pthread_kill.c:44
0x75e8267f9b2c __pthread_kill_internal
./nptl/pthread_kill.c:78
0x75e8267f9b2c __GI___pthread_kill
./nptl/pthread_kill.c:89
0x75e8267a027d __GI_raise
../sysdeps/posix/raise.c:26
0x75e8267838fe __GI_abort
./stdlib/abort.c:79
0x75e82678381a __assert_fail_base
./assert/assert.c:96
0x75e826796516 __assert_fail
./assert/assert.c:105
0x6506817cea77 map_copy
common/gossmap.c:111
0x6506817d1f93 gossmap_fetch_tail
common/gossmap.c:1870
0x6506817c45fb gossmap_manage_get_gossmap
gossipd/gossmap_manage.c:1442
0x6506817c5850 gossmap_manage_handle_get_txout_reply
gossipd/gossmap_manage.c:753
0x6506817c172b recv_req
gossipd/gossipd.c:574
0x6506817cc810 handle_read
common/daemon_conn.c:35
0x650681866757 next_plan
ccan/ccan/io/io.c:60
0x650681866c28 do_plan
ccan/ccan/io/io.c:422
0x650681866ce5 io_ready
ccan/ccan/io/io.c:439
0x650681868657 io_loop
ccan/ccan/io/poll.c:455
0x6506817c21cd main
gossipd/gossipd.c:663
0x75e8267851c9 __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
0x75e82678528a __libc_start_main_impl
../csu/libc-start.c:360
0x6506817beed4 ???
_start+0x24:0
0xffffffffffffffff ??? 19:35:51 [64/965]
???:0
lightning_gossipd: FATAL SIGNAL (version v25.09)
0x6506817cc4dc send_backtrace
common/daemon.c:33
0x6506817d6f56 status_failed
common/status.c:206
0x6506817d712a status_backtrace_exit
common/subdaemon.c:18
0x6506817cc586 crashdump
common/daemon.c:82
0x75e8267a032f ???
./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0
0x75e8267f9b2c __pthread_kill_implementation
./nptl/pthread_kill.c:44
0x75e8267f9b2c __pthread_kill_internal
./nptl/pthread_kill.c:78
0x75e8267f9b2c __GI___pthread_kill
./nptl/pthread_kill.c:89
0x75e8267a027d __GI_raise
../sysdeps/posix/raise.c:26
0x75e8267838fe __GI_abort
./stdlib/abort.c:79
0x75e82678381a __assert_fail_base
./assert/assert.c:96
0x75e826796516 __assert_fail
./assert/assert.c:105
0x6506817cea77 map_copy
common/gossmap.c:111
0x6506817d1f93 gossmap_fetch_tail
common/gossmap.c:1870
0x6506817c45fb gossmap_manage_get_gossmap
gossipd/gossmap_manage.c:1442
0x6506817c5850 gossmap_manage_handle_get_txout_reply
gossipd/gossmap_manage.c:753
0x6506817c172b recv_req
gossipd/gossipd.c:574
0x6506817cc810 handle_read
common/daemon_conn.c:35
0x650681866757 next_plan
ccan/ccan/io/io.c:60
0x650681866c28 do_plan
ccan/ccan/io/io.c:422
0x650681866ce5 io_ready
ccan/ccan/io/io.c:439
0x650681868657 io_loop
ccan/ccan/io/poll.c:455
0x6506817c21cd main
gossipd/gossipd.c:663
0x75e8267851c9 __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
0x75e82678528a __libc_start_main_impl
../csu/libc-start.c:360
0x6506817beed4 ???
_start+0x24:0
0xffffffffffffffff ???
???:0
2025-09-08T23:35:51.911Z **BROKEN** gossipd: Truncated gossmap record @7991501/7991523 (len 0): waiting
2025-09-08T23:35:51.911Z **BROKEN** gossipd: FATAL SIGNAL 6 (version v25.09)
2025-09-08T23:35:51.911Z **BROKEN** gossipd: backtrace: common/daemon.c:41 (send_backtrace) 0x6506817cc529
2025-09-08T23:35:51.911Z **BROKEN** gossipd: backtrace: common/daemon.c:78 (crashdump) 0x6506817cc578
2025-09-08T23:35:51.911Z **BROKEN** gossipd: backtrace: ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0 ((null)) 0x75e8267a032f
2025-09-08T23:35:51.911Z **BROKEN** gossipd: backtrace: ./nptl/pthread_kill.c:44 (__pthread_kill_implementation) 0x75e8267f9b2c
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./nptl/pthread_kill.c:78 (__pthread_kill_internal) 0x75e8267f9b2c
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./nptl/pthread_kill.c:89 (__GI___pthread_kill) 0x75e8267f9b2c
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ../sysdeps/posix/raise.c:26 (__GI_raise) 0x75e8267a027d
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./stdlib/abort.c:79 (__GI_abort) 0x75e8267838fe
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./assert/assert.c:96 (__assert_fail_base) 0x75e82678381a
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./assert/assert.c:105 (__assert_fail) 0x75e826796516
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/gossmap.c:111 (map_copy) 0x6506817cea77
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/gossmap.c:1870 (gossmap_fetch_tail) 0x6506817d1f93
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossmap_manage.c:1442 (gossmap_manage_get_gossmap) 0x6506817c45fb
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossmap_manage.c:753 (gossmap_manage_handle_get_txout_reply) 0x6506817c5850
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossipd.c:574 (recv_req) 0x6506817c172b
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/daemon_conn.c:35 (handle_read) 0x6506817cc810
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/io.c:60 (next_plan) 0x650681866757
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/io.c:422 (do_plan) 0x650681866c28
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/io.c:439 (io_ready) 0x650681866ce5
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/poll.c:455 (io_loop) 0x650681868657
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossipd.c:663 (main) 0x6506817c21cd
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ../sysdeps/nptl/libc_start_call_main.h:58 (__libc_start_call_main) 0x75e8267851c9
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ../csu/libc-start.c:360 (__libc_start_main_impl) 0x75e82678528a
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: (null):0 ((null)) 0x6506817beed4
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: (null):0 ((null)) 0xffffffffffffffff
2025-09-08T23:35:51.912Z **BROKEN** gossipd: FATAL SIGNAL (version v25.09)
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/daemon.c:41 (send_backtrace) 0x6506817cc529
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/status.c:206 (status_failed) 0x6506817d6f56
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/subdaemon.c:18 (status_backtrace_exit) 0x6506817d712a
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/daemon.c:82 (crashdump) 0x6506817cc586
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0 ((null)) 0x75e8267a032f
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./nptl/pthread_kill.c:44 (__pthread_kill_implementation) 0x75e8267f9b2c
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./nptl/pthread_kill.c:78 (__pthread_kill_internal) 0x75e8267f9b2c
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./nptl/pthread_kill.c:89 (__GI___pthread_kill) 0x75e8267f9b2c
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ../sysdeps/posix/raise.c:26 (__GI_raise) 0x75e8267a027d
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./stdlib/abort.c:79 (__GI_abort) 0x75e8267838fe
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./assert/assert.c:96 (__assert_fail_base) 0x75e82678381a
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ./assert/assert.c:105 (__assert_fail) 0x75e826796516
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/gossmap.c:111 (map_copy) 0x6506817cea77
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/gossmap.c:1870 (gossmap_fetch_tail) 0x6506817d1f93
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossmap_manage.c:1442 (gossmap_manage_get_gossmap) 0x6506817c45fb
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossmap_manage.c:753 (gossmap_manage_handle_get_txout_reply) 0x6506817c5850
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossipd.c:574 (recv_req) 0x6506817c172b
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: common/daemon_conn.c:35 (handle_read) 0x6506817cc810
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/io.c:60 (next_plan) 0x650681866757
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/io.c:422 (do_plan) 0x650681866c28
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/io.c:439 (io_ready) 0x650681866ce5
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ccan/ccan/io/poll.c:455 (io_loop) 0x650681868657
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: gossipd/gossipd.c:663 (main) 0x6506817c21cd
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ../sysdeps/nptl/libc_start_call_main.h:58 (__libc_start_call_main) 0x75e8267851c9
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: ../csu/libc-start.c:360 (__libc_start_main_impl) 0x75e82678528a
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: (null):0 ((null)) 0x6506817beed4
2025-09-08T23:35:51.912Z **BROKEN** gossipd: backtrace: (null):0 ((null)) 0xffffffffffffffff
2025-09-08T23:35:51.935Z **BROKEN** gossipd: STATUS_FAIL_INTERNAL_ERROR: FATAL SIGNAL
lightningd: gossipd failed (exit status 242), exiting.
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