[ 1237.581368][T14761] 
[ 1237.581515][T14761] =============================
[ 1237.581718][T14761] WARNING: suspicious RCU usage
[ 1237.581894][T14761] 6.12.0-rc7-virtme #1 Not tainted
[ 1237.582083][T14761] -----------------------------
[ 1237.582265][T14761] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1237.582563][T14761] 
[ 1237.582563][T14761] other info that might help us debug this:
[ 1237.582563][T14761] 
[ 1237.582917][T14761] 
[ 1237.582917][T14761] rcu_scheduler_active = 2, debug_locks = 1
[ 1237.583188][T14761] no locks held by smcrouted/14761.
[ 1237.583383][T14761] 
[ 1237.583383][T14761] stack backtrace:
[ 1237.583630][T14761] CPU: 0 UID: 0 PID: 14761 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1237.583982][T14761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1237.584234][T14761] Call Trace:
[ 1237.584395][T14761]  <TASK>
[ 1237.584490][T14761]  dump_stack_lvl+0xb0/0xd0
[ 1237.584694][T14761]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1237.584897][T14761]  ip6mr_get_table+0x142/0x190
[ 1237.585097][T14761]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1237.585288][T14761]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1237.585525][T14761]  ? __lock_release+0x103/0x460
[ 1237.585720][T14761]  ? __might_fault+0x11b/0x170
[ 1237.585915][T14761]  ? trace_lock_acquire+0x14d/0x1f0
[ 1237.586106][T14761]  ? __might_fault+0xc3/0x170
[ 1237.586288][T14761]  ? lock_acquire+0x32/0xc0
[ 1237.586474][T14761]  ? __might_fault+0xc3/0x170
[ 1237.586661][T14761]  ? __might_fault+0x11b/0x170
[ 1237.586854][T14761]  do_ipv6_setsockopt+0x705/0x34e0
[ 1237.587043][T14761]  ? __lock_release+0x40/0x460
[ 1237.587229][T14761]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1237.587426][T14761]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1237.587610][T14761]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1237.587806][T14761]  ? validate_chain+0x1fe/0xae0
[ 1237.587999][T14761]  ? is_bpf_text_address+0x67/0x120
[ 1237.588199][T14761]  ? __pfx_validate_chain+0x10/0x10
[ 1237.588378][T14761]  ? hlock_class+0x4e/0x130
[ 1237.588563][T14761]  ? mark_lock+0x38/0x3e0
[ 1237.588705][T14761]  ? __lock_acquire+0xb3f/0x1580
[ 1237.588909][T14761]  ? find_held_lock+0x2c/0x110
[ 1237.589160][T14761]  ? ipv6_setsockopt+0x7f/0xe0
[ 1237.589350][T14761]  ipv6_setsockopt+0x7f/0xe0
[ 1237.589524][T14761]  rawv6_setsockopt+0xb7/0x550
[ 1237.589705][T14761]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1237.589886][T14761]  ? __lock_acquire+0xb3f/0x1580
[ 1237.590079][T14761]  ? kfree+0x2d/0x340
[ 1237.590222][T14761]  do_sock_setsockopt+0x149/0x3a0
[ 1237.590391][T14761]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1237.590570][T14761]  ? __lock_release+0x103/0x460
[ 1237.590757][T14761]  ? fd_install+0x1d1/0x5a0
[ 1237.590950][T14761]  ? trace_lock_acquire+0x14d/0x1f0
[ 1237.591126][T14761]  ? fdget+0x52/0x1e0
[ 1237.591271][T14761]  __sys_setsockopt+0x104/0x1a0
[ 1237.591456][T14761]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1237.591617][T14761]  ? __sys_socket+0x168/0x1e0
[ 1237.591778][T14761]  ? __pfx___sys_socket+0x10/0x10
[ 1237.591959][T14761]  ? do_user_addr_fault+0x374/0xe30
[ 1237.592147][T14761]  __x64_sys_setsockopt+0xbd/0x160
[ 1237.592320][T14761]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1237.592541][T14761]  do_syscall_64+0xc1/0x1d0
[ 1237.592723][T14761]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1237.592940][T14761] RIP: 0033:0x7f2f195b491e
[ 1237.593126][T14761] 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
[ 1237.593702][T14761] RSP: 002b:00007ffc07acd378 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1237.593951][T14761] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f195b491e
[ 1237.594219][T14761] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1237.594468][T14761] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1237.594732][T14761] R10: 00007ffc07acd39c R11: 0000000000000246 R12: 0000000000000000
[ 1237.594995][T14761] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f2f196b9000
[ 1237.595251][T14761]  </TASK>
[ 1237.599517][T14761] veth0: entered allmulticast mode
[ 1237.600801][T14761] veth1: entered allmulticast mode
[ 1237.601963][T14761] veth2: entered allmulticast mode
[ 1237.602407][T14761] veth3: entered allmulticast mode
[ 1237.602760][T14761] veth4: entered allmulticast mode
[ 1237.603093][T14761] veth5: entered allmulticast mode
[ 1264.108024][T14761] veth0: left allmulticast mode
[ 1264.108392][T14761] veth1: left allmulticast mode
[ 1264.108647][T14761] veth2: left allmulticast mode
[ 1264.108910][T14761] veth3: left allmulticast mode
[ 1264.109174][T14761] veth4: left allmulticast mode
[ 1264.109462][T14761] veth5: left allmulticast mode