[ 1314.708977][T11657] 
[ 1314.709154][T11657] =============================
[ 1314.709333][T11657] WARNING: suspicious RCU usage
[ 1314.710018][T11657] 6.12.0-rc6-virtme #1 Not tainted
[ 1314.710215][T11657] -----------------------------
[ 1314.710392][T11657] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1314.710664][T11657] 
[ 1314.710664][T11657] other info that might help us debug this:
[ 1314.710664][T11657] 
[ 1314.710998][T11657] 
[ 1314.710998][T11657] rcu_scheduler_active = 2, debug_locks = 1
[ 1314.711255][T11657] no locks held by smcrouted/11657.
[ 1314.711442][T11657] 
[ 1314.711442][T11657] stack backtrace:
[ 1314.711664][T11657] CPU: 2 UID: 0 PID: 11657 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1314.712001][T11657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1314.712228][T11657] Call Trace:
[ 1314.712364][T11657]  <TASK>
[ 1314.712468][T11657]  dump_stack_lvl+0xb0/0xd0
[ 1314.712649][T11657]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1314.712819][T11657]  ip6mr_get_table+0x142/0x190
[ 1314.713004][T11657]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1314.713165][T11657]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1314.713393][T11657]  ? __lock_release+0x103/0x460
[ 1314.713566][T11657]  ? __might_fault+0x11b/0x170
[ 1314.713731][T11657]  ? trace_lock_acquire+0x14d/0x1f0
[ 1314.713894][T11657]  ? __might_fault+0xc3/0x170
[ 1314.714053][T11657]  ? lock_acquire+0x32/0xc0
[ 1314.714216][T11657]  ? __might_fault+0xc3/0x170
[ 1314.714378][T11657]  ? __might_fault+0x11b/0x170
[ 1314.714554][T11657]  do_ipv6_setsockopt+0x705/0x34e0
[ 1314.714728][T11657]  ? __lock_release+0xe0/0x460
[ 1314.714903][T11657]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1314.715074][T11657]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1314.715252][T11657]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1314.715419][T11657]  ? validate_chain+0x1fe/0xae0
[ 1314.715597][T11657]  ? is_bpf_text_address+0x67/0x120
[ 1314.715778][T11657]  ? __pfx_validate_chain+0x10/0x10
[ 1314.715959][T11657]  ? hlock_class+0x4e/0x130
[ 1314.716142][T11657]  ? mark_lock+0x38/0x3e0
[ 1314.716289][T11657]  ? __lock_acquire+0xb3f/0x1580
[ 1314.716495][T11657]  ? find_held_lock+0x2c/0x110
[ 1314.716681][T11657]  ? ipv6_setsockopt+0x7f/0xe0
[ 1314.716850][T11657]  ipv6_setsockopt+0x7f/0xe0
[ 1314.717031][T11657]  rawv6_setsockopt+0xb7/0x550
[ 1314.717212][T11657]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1314.717388][T11657]  ? __lock_acquire+0xb3f/0x1580
[ 1314.717553][T11657]  ? kfree+0x2d/0x340
[ 1314.717691][T11657]  do_sock_setsockopt+0x149/0x3a0
[ 1314.717855][T11657]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1314.718021][T11657]  ? __lock_release+0x103/0x460
[ 1314.718194][T11657]  ? fd_install+0x1d1/0x5a0
[ 1314.718369][T11657]  ? trace_lock_acquire+0x14d/0x1f0
[ 1314.718546][T11657]  ? fdget+0x52/0x1e0
[ 1314.718682][T11657]  __sys_setsockopt+0x104/0x1a0
[ 1314.718855][T11657]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1314.719020][T11657]  ? __sys_socket+0x168/0x1e0
[ 1314.719206][T11657]  ? __pfx___sys_socket+0x10/0x10
[ 1314.719386][T11657]  ? do_user_addr_fault+0x374/0xe30
[ 1314.719568][T11657]  __x64_sys_setsockopt+0xbd/0x160
[ 1314.719731][T11657]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1314.719940][T11657]  do_syscall_64+0xc1/0x1d0
[ 1314.720127][T11657]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1314.720387][T11657] RIP: 0033:0x7f3d9430191e
[ 1314.720585][T11657] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1314.721197][T11657] RSP: 002b:00007ffd712fd798 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1314.721455][T11657] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d9430191e
[ 1314.721710][T11657] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1314.721963][T11657] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1314.722210][T11657] R10: 00007ffd712fd7bc R11: 0000000000000246 R12: 0000000000000000
[ 1314.722464][T11657] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3d94406000
[ 1314.722714][T11657]  </TASK>
[ 1314.728973][T11657] veth0: entered allmulticast mode
[ 1314.729823][T11657] veth1: entered allmulticast mode
[ 1314.730222][T11657] veth2: entered allmulticast mode
[ 1314.730588][T11657] veth3: entered allmulticast mode
[ 1334.225086][T11657] veth0: left allmulticast mode
[ 1334.225417][T11657] veth1: left allmulticast mode
[ 1334.225658][T11657] veth2: left allmulticast mode
[ 1334.225915][T11657] veth3: left allmulticast mode