[ 1906.445048][T14672] 
[ 1906.445167][T14672] =============================
[ 1906.445331][T14672] WARNING: suspicious RCU usage
[ 1906.445819][T14672] 6.12.0-rc5-virtme #1 Not tainted
[ 1906.445980][T14672] -----------------------------
[ 1906.446162][T14672] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1906.446405][T14672] 
[ 1906.446405][T14672] other info that might help us debug this:
[ 1906.446405][T14672] 
[ 1906.446702][T14672] 
[ 1906.446702][T14672] rcu_scheduler_active = 2, debug_locks = 1
[ 1906.446924][T14672] no locks held by smcrouted/14672.
[ 1906.447082][T14672] 
[ 1906.447082][T14672] stack backtrace:
[ 1906.447294][T14672] CPU: 2 UID: 0 PID: 14672 Comm: smcrouted Not tainted 6.12.0-rc5-virtme #1
[ 1906.447639][T14672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1906.447989][T14672] Call Trace:
[ 1906.448126][T14672]  <TASK>
[ 1906.448208][T14672]  dump_stack_lvl+0xb0/0xd0
[ 1906.448375][T14672]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1906.448543][T14672]  ip6mr_get_table+0x142/0x190
[ 1906.448704][T14672]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1906.448878][T14672]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1906.449076][T14672]  ? __lock_release+0x103/0x460
[ 1906.449252][T14672]  ? __might_fault+0x11b/0x170
[ 1906.449416][T14672]  ? trace_lock_acquire+0x14d/0x1f0
[ 1906.449616][T14672]  ? __might_fault+0xc3/0x170
[ 1906.449770][T14672]  ? lock_acquire+0x32/0xc0
[ 1906.449921][T14672]  ? __might_fault+0xc3/0x170
[ 1906.450096][T14672]  ? __might_fault+0x11b/0x170
[ 1906.450255][T14672]  do_ipv6_setsockopt+0x705/0x34e0
[ 1906.450437][T14672]  ? __lock_release+0x50/0x460
[ 1906.450591][T14672]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1906.450742][T14672]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1906.450900][T14672]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1906.451057][T14672]  ? validate_chain+0x1fe/0xae0
[ 1906.451209][T14672]  ? is_bpf_text_address+0x67/0x120
[ 1906.451368][T14672]  ? __pfx_validate_chain+0x10/0x10
[ 1906.451555][T14672]  ? hlock_class+0x4e/0x130
[ 1906.451719][T14672]  ? mark_lock+0x38/0x3e0
[ 1906.451854][T14672]  ? __lock_acquire+0xb3f/0x1580
[ 1906.452020][T14672]  ? find_held_lock+0x2c/0x110
[ 1906.452201][T14672]  ? ipv6_setsockopt+0x7f/0xe0
[ 1906.452356][T14672]  ipv6_setsockopt+0x7f/0xe0
[ 1906.452534][T14672]  rawv6_setsockopt+0xb7/0x550
[ 1906.452697][T14672]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1906.452849][T14672]  ? __lock_acquire+0xb3f/0x1580
[ 1906.453034][T14672]  ? kfree+0x2d/0x340
[ 1906.453156][T14672]  do_sock_setsockopt+0x149/0x3a0
[ 1906.453308][T14672]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1906.453479][T14672]  ? __lock_release+0x103/0x460
[ 1906.453635][T14672]  ? fd_install+0x1d1/0x5a0
[ 1906.453802][T14672]  ? trace_lock_acquire+0x14d/0x1f0
[ 1906.453957][T14672]  ? fdget+0x52/0x1e0
[ 1906.454077][T14672]  __sys_setsockopt+0x104/0x1a0
[ 1906.454258][T14672]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1906.454426][T14672]  ? __sys_socket+0x168/0x1e0
[ 1906.454598][T14672]  ? __pfx___sys_socket+0x10/0x10
[ 1906.454759][T14672]  __x64_sys_setsockopt+0xbd/0x160
[ 1906.454950][T14672]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1906.455139][T14672]  do_syscall_64+0xc1/0x1d0
[ 1906.455312][T14672]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1906.455499][T14672] RIP: 0033:0x7f073925591e
[ 1906.455680][T14672] 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
[ 1906.456244][T14672] RSP: 002b:00007ffec4c9caa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1906.456478][T14672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f073925591e
[ 1906.456709][T14672] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1906.456937][T14672] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1906.457187][T14672] R10: 00007ffec4c9cacc R11: 0000000000000246 R12: 0000000000000000
[ 1906.457428][T14672] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f073935a000
[ 1906.457716][T14672]  </TASK>
[ 1906.464066][T14672] veth0: entered allmulticast mode
[ 1906.464710][T14672] veth1: entered allmulticast mode
[ 1906.465083][T14672] veth2: entered allmulticast mode
[ 1906.465448][T14672] veth3: entered allmulticast mode
[ 1906.465808][T14672] veth4: entered allmulticast mode
[ 1906.466172][T14672] veth5: entered allmulticast mode
[ 1953.205058][T14672] veth0: left allmulticast mode
[ 1953.205371][T14672] veth1: left allmulticast mode
[ 1953.205607][T14672] veth2: left allmulticast mode
[ 1953.205848][T14672] veth3: left allmulticast mode
[ 1953.206085][T14672] veth4: left allmulticast mode
[ 1953.206313][T14672] veth5: left allmulticast mode