[ 1294.422164][T15327] 
[ 1294.422314][T15327] =============================
[ 1294.422482][T15327] WARNING: suspicious RCU usage
[ 1294.422644][T15327] 6.12.0-rc7-virtme #1 Not tainted
[ 1294.422810][T15327] -----------------------------
[ 1294.422973][T15327] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1294.423209][T15327] 
[ 1294.423209][T15327] other info that might help us debug this:
[ 1294.423209][T15327] 
[ 1294.423529][T15327] 
[ 1294.423529][T15327] rcu_scheduler_active = 2, debug_locks = 1
[ 1294.423769][T15327] no locks held by smcrouted/15327.
[ 1294.423934][T15327] 
[ 1294.423934][T15327] stack backtrace:
[ 1294.424141][T15327] CPU: 3 UID: 0 PID: 15327 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1294.424426][T15327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1294.424631][T15327] Call Trace:
[ 1294.424757][T15327]  <TASK>
[ 1294.424844][T15327]  dump_stack_lvl+0xb0/0xd0
[ 1294.425034][T15327]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1294.425223][T15327]  ip6mr_get_table+0x142/0x190
[ 1294.425389][T15327]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1294.425551][T15327]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1294.425753][T15327]  ? __lock_release+0x103/0x460
[ 1294.425915][T15327]  ? __might_fault+0x11b/0x170
[ 1294.426088][T15327]  ? trace_lock_acquire+0x14d/0x1f0
[ 1294.426250][T15327]  ? __might_fault+0xc3/0x170
[ 1294.426408][T15327]  ? lock_acquire+0x32/0xc0
[ 1294.426567][T15327]  ? __might_fault+0xc3/0x170
[ 1294.426733][T15327]  ? __might_fault+0x11b/0x170
[ 1294.426904][T15327]  do_ipv6_setsockopt+0x705/0x34e0
[ 1294.427066][T15327]  ? __lock_release+0x40/0x460
[ 1294.427233][T15327]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1294.427403][T15327]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1294.427563][T15327]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1294.427724][T15327]  ? validate_chain+0x1fe/0xae0
[ 1294.427894][T15327]  ? is_bpf_text_address+0x67/0x120
[ 1294.428075][T15327]  ? __pfx_validate_chain+0x10/0x10
[ 1294.428234][T15327]  ? hlock_class+0x4e/0x130
[ 1294.428392][T15327]  ? mark_lock+0x38/0x3e0
[ 1294.428527][T15327]  ? __lock_acquire+0xb3f/0x1580
[ 1294.428711][T15327]  ? find_held_lock+0x2c/0x110
[ 1294.428879][T15327]  ? ipv6_setsockopt+0x7f/0xe0
[ 1294.429038][T15327]  ipv6_setsockopt+0x7f/0xe0
[ 1294.429194][T15327]  rawv6_setsockopt+0xb7/0x550
[ 1294.429377][T15327]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1294.429530][T15327]  ? __lock_acquire+0xb3f/0x1580
[ 1294.429691][T15327]  ? kfree+0x2d/0x340
[ 1294.429823][T15327]  do_sock_setsockopt+0x149/0x3a0
[ 1294.429991][T15327]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1294.430150][T15327]  ? __lock_release+0x103/0x460
[ 1294.430315][T15327]  ? fd_install+0x1d1/0x5a0
[ 1294.430484][T15327]  ? trace_lock_acquire+0x14d/0x1f0
[ 1294.430645][T15327]  ? fdget+0x52/0x1e0
[ 1294.430780][T15327]  __sys_setsockopt+0x104/0x1a0
[ 1294.430950][T15327]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1294.431104][T15327]  ? __sys_socket+0x168/0x1e0
[ 1294.431261][T15327]  ? __pfx___sys_socket+0x10/0x10
[ 1294.431424][T15327]  ? do_user_addr_fault+0x374/0xe30
[ 1294.431594][T15327]  __x64_sys_setsockopt+0xbd/0x160
[ 1294.431751][T15327]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1294.431949][T15327]  do_syscall_64+0xc1/0x1d0
[ 1294.432120][T15327]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1294.432326][T15327] RIP: 0033:0x7fa732e4691e
[ 1294.432491][T15327] 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
[ 1294.433056][T15327] RSP: 002b:00007ffd8e4b4738 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1294.433312][T15327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa732e4691e
[ 1294.433561][T15327] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1294.433797][T15327] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1294.434040][T15327] R10: 00007ffd8e4b475c R11: 0000000000000246 R12: 0000000000000000
[ 1294.434274][T15327] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa732f4b000
[ 1294.434526][T15327]  </TASK>
[ 1294.437168][T15327] veth0: entered allmulticast mode
[ 1294.437763][T15327] veth1: entered allmulticast mode
[ 1294.438104][T15327] veth2: entered allmulticast mode
[ 1294.438437][T15327] veth3: entered allmulticast mode
[ 1313.308807][T15327] veth0: left allmulticast mode
[ 1313.309372][T15327] veth1: left allmulticast mode
[ 1313.309801][T15327] veth2: left allmulticast mode
[ 1313.310213][T15327] veth3: left allmulticast mode