[ 1325.021236][ T8661] 
[ 1325.021391][ T8661] =============================
[ 1325.021554][ T8661] WARNING: suspicious RCU usage
[ 1325.021733][ T8661] 6.12.0-rc7-virtme #1 Not tainted
[ 1325.021894][ T8661] -----------------------------
[ 1325.022054][ T8661] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1325.022303][ T8661] 
[ 1325.022303][ T8661] other info that might help us debug this:
[ 1325.022303][ T8661] 
[ 1325.022612][ T8661] 
[ 1325.022612][ T8661] rcu_scheduler_active = 2, debug_locks = 1
[ 1325.022846][ T8661] no locks held by smcrouted/8661.
[ 1325.023015][ T8661] 
[ 1325.023015][ T8661] stack backtrace:
[ 1325.023224][ T8661] CPU: 0 UID: 0 PID: 8661 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1325.023502][ T8661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1325.023708][ T8661] Call Trace:
[ 1325.023833][ T8661]  <TASK>
[ 1325.023920][ T8661]  dump_stack_lvl+0xb0/0xd0
[ 1325.024095][ T8661]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1325.024260][ T8661]  ip6mr_get_table+0x142/0x190
[ 1325.024427][ T8661]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1325.024590][ T8661]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1325.024794][ T8661]  ? __lock_release+0x103/0x460
[ 1325.024950][ T8661]  ? __might_fault+0x11b/0x170
[ 1325.025113][ T8661]  ? trace_lock_acquire+0x14d/0x1f0
[ 1325.025279][ T8661]  ? __might_fault+0xc3/0x170
[ 1325.025438][ T8661]  ? lock_acquire+0x32/0xc0
[ 1325.025598][ T8661]  ? __might_fault+0xc3/0x170
[ 1325.025759][ T8661]  ? __might_fault+0x11b/0x170
[ 1325.025920][ T8661]  do_ipv6_setsockopt+0x705/0x34e0
[ 1325.026081][ T8661]  ? __lock_release+0x10/0x460
[ 1325.026237][ T8661]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1325.026392][ T8661]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1325.026564][ T8661]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1325.026727][ T8661]  ? validate_chain+0x1fe/0xae0
[ 1325.026884][ T8661]  ? is_bpf_text_address+0x67/0x120
[ 1325.027048][ T8661]  ? __pfx_validate_chain+0x10/0x10
[ 1325.027207][ T8661]  ? hlock_class+0x4e/0x130
[ 1325.027361][ T8661]  ? mark_lock+0x38/0x3e0
[ 1325.027489][ T8661]  ? __lock_acquire+0xb3f/0x1580
[ 1325.027655][ T8661]  ? find_held_lock+0x2c/0x110
[ 1325.027826][ T8661]  ? ipv6_setsockopt+0x7f/0xe0
[ 1325.027983][ T8661]  ipv6_setsockopt+0x7f/0xe0
[ 1325.028140][ T8661]  rawv6_setsockopt+0xb7/0x550
[ 1325.028301][ T8661]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1325.028457][ T8661]  ? __lock_acquire+0xb3f/0x1580
[ 1325.028618][ T8661]  ? kfree+0x2d/0x340
[ 1325.028744][ T8661]  do_sock_setsockopt+0x149/0x3a0
[ 1325.028901][ T8661]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1325.029064][ T8661]  ? __lock_release+0x103/0x460
[ 1325.029223][ T8661]  ? fd_install+0x1d1/0x5a0
[ 1325.029386][ T8661]  ? trace_lock_acquire+0x14d/0x1f0
[ 1325.029547][ T8661]  ? fdget+0x52/0x1e0
[ 1325.029671][ T8661]  __sys_setsockopt+0x104/0x1a0
[ 1325.029831][ T8661]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1325.029995][ T8661]  ? __sys_socket+0x168/0x1e0
[ 1325.030150][ T8661]  ? __pfx___sys_socket+0x10/0x10
[ 1325.030306][ T8661]  ? do_user_addr_fault+0x374/0xe30
[ 1325.030466][ T8661]  __x64_sys_setsockopt+0xbd/0x160
[ 1325.030623][ T8661]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1325.030816][ T8661]  do_syscall_64+0xc1/0x1d0
[ 1325.030978][ T8661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1325.031178][ T8661] RIP: 0033:0x7f08e6db791e
[ 1325.031352][ T8661] 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
[ 1325.031893][ T8661] RSP: 002b:00007ffca2e88678 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1325.032129][ T8661] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08e6db791e
[ 1325.032361][ T8661] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1325.032599][ T8661] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1325.032840][ T8661] R10: 00007ffca2e8869c R11: 0000000000000246 R12: 0000000000000000
[ 1325.033080][ T8661] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f08e6ebc000
[ 1325.033328][ T8661]  </TASK>
[ 1325.038801][ T8661] veth0: entered allmulticast mode
[ 1325.041225][ T8661] veth1: entered allmulticast mode
[ 1325.041885][ T8661] veth2: entered allmulticast mode
[ 1325.042218][ T8661] veth3: entered allmulticast mode
[ 1325.042655][ T8661] veth4: entered allmulticast mode
[ 1325.043083][ T8661] veth5: entered allmulticast mode
[ 1351.108957][ T8661] veth0: left allmulticast mode
[ 1351.109397][ T8661] veth1: left allmulticast mode
[ 1351.109642][ T8661] veth2: left allmulticast mode
[ 1351.109880][ T8661] veth3: left allmulticast mode
[ 1351.110118][ T8661] veth4: left allmulticast mode
[ 1351.110394][ T8661] veth5: left allmulticast mode