[ 1314.556482][T17122] 
[ 1314.556658][T17122] =============================
[ 1314.556865][T17122] WARNING: suspicious RCU usage
[ 1314.557081][T17122] 6.12.0-rc7-virtme #1 Not tainted
[ 1314.557280][T17122] -----------------------------
[ 1314.557489][T17122] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1314.557756][T17122] 
[ 1314.557756][T17122] other info that might help us debug this:
[ 1314.557756][T17122] 
[ 1314.558127][T17122] 
[ 1314.558127][T17122] rcu_scheduler_active = 2, debug_locks = 1
[ 1314.559255][T17122] no locks held by smcrouted/17122.
[ 1314.559549][T17122] 
[ 1314.559549][T17122] stack backtrace:
[ 1314.559873][T17122] CPU: 2 UID: 0 PID: 17122 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1314.560196][T17122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1314.560408][T17122] Call Trace:
[ 1314.560533][T17122]  <TASK>
[ 1314.560628][T17122]  dump_stack_lvl+0xb0/0xd0
[ 1314.560836][T17122]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1314.561002][T17122]  ip6mr_get_table+0x142/0x190
[ 1314.561182][T17122]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1314.561366][T17122]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1314.561575][T17122]  ? __lock_release+0x103/0x460
[ 1314.561774][T17122]  ? __might_fault+0x11b/0x170
[ 1314.561951][T17122]  ? trace_lock_acquire+0x14d/0x1f0
[ 1314.562125][T17122]  ? __might_fault+0xc3/0x170
[ 1314.562286][T17122]  ? lock_acquire+0x32/0xc0
[ 1314.562489][T17122]  ? __might_fault+0xc3/0x170
[ 1314.562649][T17122]  ? __might_fault+0x11b/0x170
[ 1314.562819][T17122]  do_ipv6_setsockopt+0x705/0x34e0
[ 1314.563015][T17122]  ? __lock_release+0x10/0x460
[ 1314.563177][T17122]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1314.563336][T17122]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1314.563503][T17122]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1314.563692][T17122]  ? validate_chain+0x1fe/0xae0
[ 1314.563852][T17122]  ? is_bpf_text_address+0x67/0x120
[ 1314.564045][T17122]  ? __pfx_validate_chain+0x10/0x10
[ 1314.564212][T17122]  ? hlock_class+0x4e/0x130
[ 1314.564387][T17122]  ? mark_lock+0x38/0x3e0
[ 1314.564526][T17122]  ? __lock_acquire+0xb3f/0x1580
[ 1314.564697][T17122]  ? find_held_lock+0x2c/0x110
[ 1314.564862][T17122]  ? ipv6_setsockopt+0x7f/0xe0
[ 1314.565020][T17122]  ipv6_setsockopt+0x7f/0xe0
[ 1314.565179][T17122]  rawv6_setsockopt+0xb7/0x550
[ 1314.565374][T17122]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1314.565539][T17122]  ? __lock_acquire+0xb3f/0x1580
[ 1314.565722][T17122]  ? kfree+0x2d/0x340
[ 1314.565851][T17122]  do_sock_setsockopt+0x149/0x3a0
[ 1314.566035][T17122]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1314.566213][T17122]  ? __lock_release+0x103/0x460
[ 1314.566373][T17122]  ? fd_install+0x1d1/0x5a0
[ 1314.566565][T17122]  ? trace_lock_acquire+0x14d/0x1f0
[ 1314.566727][T17122]  ? fdget+0x52/0x1e0
[ 1314.566855][T17122]  __sys_setsockopt+0x104/0x1a0
[ 1314.567025][T17122]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1314.567183][T17122]  ? __sys_socket+0x168/0x1e0
[ 1314.567345][T17122]  ? __pfx___sys_socket+0x10/0x10
[ 1314.567502][T17122]  ? do_user_addr_fault+0x374/0xe30
[ 1314.567664][T17122]  __x64_sys_setsockopt+0xbd/0x160
[ 1314.567819][T17122]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1314.568017][T17122]  do_syscall_64+0xc1/0x1d0
[ 1314.568179][T17122]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1314.568382][T17122] RIP: 0033:0x7fd56941991e
[ 1314.568550][T17122] 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
[ 1314.569099][T17122] RSP: 002b:00007fff16387238 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1314.569341][T17122] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd56941991e
[ 1314.569578][T17122] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1314.569819][T17122] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1314.570055][T17122] R10: 00007fff1638725c R11: 0000000000000246 R12: 0000000000000000
[ 1314.570293][T17122] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd56951e000
[ 1314.570548][T17122]  </TASK>
[ 1314.574339][T17122] veth0: entered allmulticast mode
[ 1314.575059][T17122] veth1: entered allmulticast mode
[ 1314.575406][T17122] veth2: entered allmulticast mode
[ 1314.575887][T17122] veth3: entered allmulticast mode
[ 1333.212544][T17122] veth0: left allmulticast mode
[ 1333.212921][T17122] veth1: left allmulticast mode
[ 1333.213182][T17122] veth2: left allmulticast mode
[ 1333.213541][T17122] veth3: left allmulticast mode