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"Invalid write" in socket_consume_mailbox / sys_unregister_listener / sys_register_listener #2155

@bettio

Description

@bettio

Valgrind detected "Invalid write of size 8" in main branch (0fb092b) here:
https://github.com/atomvm/AtomVM/actions/runs/22663342356/job/65688810253

Relevant log

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++++++++++++++GEN_UDP-TEST> SpawnControllingProcess=false IsActive=false Mode=binary Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=false Mode=binary Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=false Mode=list Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=false Mode=list Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=true Mode=binary Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=true Mode=binary Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=true Mode=list Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=false IsActive=true Mode=list Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=false Mode=binary Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=false Mode=binary Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=false Mode=list Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=false Mode=list Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=true Mode=binary Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=true Mode=binary Backendoption=[{inet_backend,socket}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=true Mode=list Backendoption=[{inet_backend,inet}]
GEN_UDP-TEST> SpawnControllingProcess=true IsActive=true Mode=list Backendoption=[{inet_backend,socket}]
+GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=binary ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=binary ListenActive=false ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=binary ListenActive=true ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=binary ListenActive=true ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=list ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=list ListenActive=false ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=list ListenActive=true ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=binary ConnectMode=list ListenActive=true ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=binary ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=binary ListenActive=false ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=binary ListenActive=true ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=binary ListenActive=true ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=list ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=list ListenActive=false ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=list ListenActive=true ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,socket}] ClientBackendOption=[{inet_backend,socket}] ListenMode=list ConnectMode=list ListenActive=true ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=binary ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=binary ListenActive=false ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=binary ListenActive=true ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=binary ListenActive=true ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=list ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=list ListenActive=false ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=list ListenActive=true ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=binary ConnectMode=list ListenActive=true ConnectActive=true
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=list ConnectMode=binary ListenActive=false ConnectActive=false
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=list ConnectMode=binary ListenActive=false ConnectActive=true
==22213== Thread 3:
==22213== Invalid write of size 8
==22213==    at 0x2527F5: list_remove (list.h:76)
==22213==    by 0x2528BF: synclist_remove (synclist.h:105)
==22213==    by 0x253AE2: sys_unregister_listener (sys.c:698)
==22213==    by 0x2644E0: socket_consume_mailbox (socket_driver.c:1219)
==22213==    by 0x194DAA: scheduler_run (scheduler.c:296)
==22213==    by 0x194634: scheduler_wait (scheduler.c:76)
==22213==    by 0x1B531A: scheduler_entry_point (opcodesswitch.h:2964)
==22213==    by 0x2522F6: scheduler_thread_entry_point (smp.c:75)
==22213==    by 0x4A5B608: start_thread (pthread_create.c:477)
==22213==    by 0x4B95352: clone (clone.S:95)
==22213==  Address 0x9597780 is 0 bytes inside a block of size 48 free'd
==22213==    at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==22213==    by 0x2644C3: socket_consume_mailbox (socket_driver.c:1216)
==22213==    by 0x194DAA: scheduler_run (scheduler.c:296)
==22213==    by 0x194634: scheduler_wait (scheduler.c:76)
==22213==    by 0x1B531A: scheduler_entry_point (opcodesswitch.h:2964)
==22213==    by 0x1AA035: context_execute_loop (opcodesswitch.h:1992)
==22213==    by 0x1222DC: globalcontext_run (globalcontext.c:783)
==22213==    by 0x11E131: main (main.c:266)
==22213==  Block was alloc'd at
==22213==    at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==22213==    by 0x2613EE: init_client_tcp_socket (socket_driver.c:332)
==22213==    by 0x261A41: socket_driver_do_init (socket_driver.c:483)
==22213==    by 0x264101: socket_consume_mailbox (socket_driver.c:1160)
==22213==    by 0x194DAA: scheduler_run (scheduler.c:296)
==22213==    by 0x194634: scheduler_wait (scheduler.c:76)
==22213==    by 0x1B531A: scheduler_entry_point (opcodesswitch.h:2964)
==22213==    by 0x2522F6: scheduler_thread_entry_point (smp.c:75)
==22213==    by 0x4A5B608: start_thread (pthread_create.c:477)
==22213==    by 0x4B95352: clone (clone.S:95)
==22213== 
GEN_TCP-TEST> ServerBackendOption=[{inet_backend,inet}] ClientBackendOption=[{inet_backend,inet}] ListenMode=list ConnectMode=binary ListenActive=true ConnectActive=false
==22213== Thread 1:
==22213== Invalid write of size 8
==22213==    at 0x2527AA: list_insert (list.h:61)
==22213==    by 0x2527DA: list_append (list.h:66)
==22213==    by 0x253A29: sys_register_listener (sys.c:673)
==22213==    by 0x263ED5: socket_driver_do_accept (socket_driver.c:1120)
==22213==    by 0x2643E1: socket_consume_mailbox (socket_driver.c:1192)
==22213==    by 0x194DAA: scheduler_run (scheduler.c:296)
==22213==    by 0x194634: scheduler_wait (scheduler.c:76)
==22213==    by 0x1B531A: scheduler_entry_point (opcodesswitch.h:2964)
==22213==    by 0x1AA035: context_execute_loop (opcodesswitch.h:1992)
==22213==    by 0x1222DC: globalcontext_run (globalcontext.c:783)
==22213==    by 0x11E131: main (main.c:266)
==22213==  Address 0x9597780 is 0 bytes inside a block of size 48 free'd
==22213==    at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==22213==    by 0x2644C3: socket_consume_mailbox (socket_driver.c:1216)
==22213==    by 0x194DAA: scheduler_run (scheduler.c:296)
==22213==    by 0x194634: scheduler_wait (scheduler.c:76)
==22213==    by 0x1B531A: scheduler_entry_point (opcodesswitch.h:2964)
==22213==    by 0x1AA035: context_execute_loop (opcodesswitch.h:1992)
==22213==    by 0x1222DC: globalcontext_run (globalcontext.c:783)
==22213==    by 0x11E131: main (main.c:266)
==22213==  Block was alloc'd at
==22213==    at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==22213==    by 0x2613EE: init_client_tcp_socket (socket_driver.c:332)
==22213==    by 0x261A41: socket_driver_do_init (socket_driver.c:483)
==22213==    by 0x264101: socket_consume_mailbox (socket_driver.c:1160)
==22213==    by 0x194DAA: scheduler_run (scheduler.c:296)
==22213==    by 0x194634: scheduler_wait (scheduler.c:76)
==22213==    by 0x1B531A: scheduler_entry_point (opcodesswitch.h:2964)
==22213==    by 0x2522F6: scheduler_thread_entry_point (smp.c:75)
==22213==    by 0x4A5B608: start_thread (pthread_create.c:477)
==22213==    by 0x4B95352: clone (clone.S:95)
==22213== 
context canceled

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