[ 1263.100092][T17345] 
[ 1263.100252][T17345] =============================
[ 1263.100468][T17345] WARNING: suspicious RCU usage
[ 1263.100642][T17345] 6.12.0-rc7-virtme #1 Not tainted
[ 1263.100821][T17345] -----------------------------
[ 1263.100997][T17345] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1263.101272][T17345] 
[ 1263.101272][T17345] other info that might help us debug this:
[ 1263.101272][T17345] 
[ 1263.101635][T17345] 
[ 1263.101635][T17345] rcu_scheduler_active = 2, debug_locks = 1
[ 1263.101917][T17345] no locks held by smcrouted/17345.
[ 1263.102114][T17345] 
[ 1263.102114][T17345] stack backtrace:
[ 1263.102327][T17345] CPU: 0 UID: 0 PID: 17345 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1263.102644][T17345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1263.102871][T17345] Call Trace:
[ 1263.103006][T17345]  <TASK>
[ 1263.103102][T17345]  dump_stack_lvl+0xb0/0xd0
[ 1263.103286][T17345]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1263.103481][T17345]  ip6mr_get_table+0x142/0x190
[ 1263.103665][T17345]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1263.103849][T17345]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1263.104083][T17345]  ? __lock_release+0x103/0x460
[ 1263.104260][T17345]  ? __might_fault+0x11b/0x170
[ 1263.104442][T17345]  ? trace_lock_acquire+0x14d/0x1f0
[ 1263.104621][T17345]  ? __might_fault+0xc3/0x170
[ 1263.104801][T17345]  ? lock_acquire+0x32/0xc0
[ 1263.104978][T17345]  ? __might_fault+0xc3/0x170
[ 1263.105159][T17345]  ? __might_fault+0x11b/0x170
[ 1263.105336][T17345]  do_ipv6_setsockopt+0x705/0x34e0
[ 1263.105511][T17345]  ? __lock_release+0x40/0x460
[ 1263.105684][T17345]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1263.105856][T17345]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1263.106033][T17345]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1263.106206][T17345]  ? validate_chain+0x1fe/0xae0
[ 1263.106388][T17345]  ? is_bpf_text_address+0x67/0x120
[ 1263.106569][T17345]  ? __pfx_validate_chain+0x10/0x10
[ 1263.106772][T17345]  ? hlock_class+0x4e/0x130
[ 1263.106948][T17345]  ? mark_lock+0x38/0x3e0
[ 1263.107087][T17345]  ? __lock_acquire+0xb3f/0x1580
[ 1263.107265][T17345]  ? find_held_lock+0x2c/0x110
[ 1263.107461][T17345]  ? ipv6_setsockopt+0x7f/0xe0
[ 1263.107628][T17345]  ipv6_setsockopt+0x7f/0xe0
[ 1263.107805][T17345]  rawv6_setsockopt+0xb7/0x550
[ 1263.107983][T17345]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1263.108170][T17345]  ? __lock_acquire+0xb3f/0x1580
[ 1263.108342][T17345]  ? kfree+0x2d/0x340
[ 1263.108487][T17345]  do_sock_setsockopt+0x149/0x3a0
[ 1263.108667][T17345]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1263.108835][T17345]  ? __lock_release+0x103/0x460
[ 1263.109017][T17345]  ? fd_install+0x1d1/0x5a0
[ 1263.109195][T17345]  ? trace_lock_acquire+0x14d/0x1f0
[ 1263.109371][T17345]  ? fdget+0x52/0x1e0
[ 1263.109507][T17345]  __sys_setsockopt+0x104/0x1a0
[ 1263.109685][T17345]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1263.109856][T17345]  ? __sys_socket+0x168/0x1e0
[ 1263.110027][T17345]  ? __pfx___sys_socket+0x10/0x10
[ 1263.110202][T17345]  ? do_user_addr_fault+0x374/0xe30
[ 1263.110384][T17345]  __x64_sys_setsockopt+0xbd/0x160
[ 1263.110561][T17345]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1263.110768][T17345]  do_syscall_64+0xc1/0x1d0
[ 1263.110945][T17345]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1263.111165][T17345] RIP: 0033:0x7f2839fed91e
[ 1263.111351][T17345] 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
[ 1263.111959][T17345] RSP: 002b:00007ffebdfd13f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1263.112229][T17345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2839fed91e
[ 1263.112496][T17345] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1263.112760][T17345] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1263.113038][T17345] R10: 00007ffebdfd141c R11: 0000000000000246 R12: 0000000000000000
[ 1263.113308][T17345] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f283a0f2000
[ 1263.113596][T17345]  </TASK>
[ 1263.117853][T17345] veth0: entered allmulticast mode
[ 1263.118557][T17345] veth1: entered allmulticast mode
[ 1263.118907][T17345] veth2: entered allmulticast mode
[ 1263.119239][T17345] veth3: entered allmulticast mode
[ 1263.121054][T17345] veth4: entered allmulticast mode
[ 1263.121410][T17345] veth5: entered allmulticast mode
[ 1274.145152][T17433] GACT probability NOT on
[ 1290.123654][T17345] veth0: left allmulticast mode
[ 1290.124041][T17345] veth1: left allmulticast mode
[ 1290.124274][T17345] veth2: left allmulticast mode
[ 1290.125011][T17345] veth3: left allmulticast mode
[ 1290.125250][T17345] veth4: left allmulticast mode
[ 1290.125506][T17345] veth5: left allmulticast mode