[ 1302.975809][ T9189] 
[ 1302.975965][ T9189] =============================
[ 1302.976136][ T9189] WARNING: suspicious RCU usage
[ 1302.976305][ T9189] 6.12.0-rc7-virtme #1 Not tainted
[ 1302.976466][ T9189] -----------------------------
[ 1302.976622][ T9189] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1302.976849][ T9189] 
[ 1302.976849][ T9189] other info that might help us debug this:
[ 1302.976849][ T9189] 
[ 1302.977171][ T9189] 
[ 1302.977171][ T9189] rcu_scheduler_active = 2, debug_locks = 1
[ 1302.977418][ T9189] no locks held by smcrouted/9189.
[ 1302.977586][ T9189] 
[ 1302.977586][ T9189] stack backtrace:
[ 1302.977804][ T9189] CPU: 0 UID: 0 PID: 9189 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1302.978088][ T9189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1302.978297][ T9189] Call Trace:
[ 1302.978434][ T9189]  <TASK>
[ 1302.978522][ T9189]  dump_stack_lvl+0xb0/0xd0
[ 1302.978701][ T9189]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1302.978877][ T9189]  ip6mr_get_table+0x142/0x190
[ 1302.979048][ T9189]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1302.979208][ T9189]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1302.979415][ T9189]  ? __lock_release+0x103/0x460
[ 1302.979585][ T9189]  ? __might_fault+0x11b/0x170
[ 1302.979752][ T9189]  ? trace_lock_acquire+0x14d/0x1f0
[ 1302.979925][ T9189]  ? __might_fault+0xc3/0x170
[ 1302.980094][ T9189]  ? lock_acquire+0x32/0xc0
[ 1302.980265][ T9189]  ? __might_fault+0xc3/0x170
[ 1302.980432][ T9189]  ? __might_fault+0x11b/0x170
[ 1302.980605][ T9189]  do_ipv6_setsockopt+0x705/0x34e0
[ 1302.980776][ T9189]  ? __lock_release+0x10/0x460
[ 1302.980943][ T9189]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1302.981109][ T9189]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1302.981277][ T9189]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1302.981436][ T9189]  ? validate_chain+0x1fe/0xae0
[ 1302.981596][ T9189]  ? is_bpf_text_address+0x67/0x120
[ 1302.981760][ T9189]  ? __pfx_validate_chain+0x10/0x10
[ 1302.981915][ T9189]  ? hlock_class+0x4e/0x130
[ 1302.982084][ T9189]  ? mark_lock+0x38/0x3e0
[ 1302.982227][ T9189]  ? __lock_acquire+0xb3f/0x1580
[ 1302.982407][ T9189]  ? find_held_lock+0x2c/0x110
[ 1302.982590][ T9189]  ? ipv6_setsockopt+0x7f/0xe0
[ 1302.982758][ T9189]  ipv6_setsockopt+0x7f/0xe0
[ 1302.982934][ T9189]  rawv6_setsockopt+0xb7/0x550
[ 1302.983105][ T9189]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1302.983260][ T9189]  ? __lock_acquire+0xb3f/0x1580
[ 1302.983434][ T9189]  ? kfree+0x2d/0x340
[ 1302.983580][ T9189]  do_sock_setsockopt+0x149/0x3a0
[ 1302.983767][ T9189]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1302.983937][ T9189]  ? __lock_release+0x103/0x460
[ 1302.984122][ T9189]  ? fd_install+0x1d1/0x5a0
[ 1302.984300][ T9189]  ? trace_lock_acquire+0x14d/0x1f0
[ 1302.984485][ T9189]  ? fdget+0x52/0x1e0
[ 1302.984611][ T9189]  __sys_setsockopt+0x104/0x1a0
[ 1302.984787][ T9189]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1302.984969][ T9189]  ? __sys_socket+0x168/0x1e0
[ 1302.985148][ T9189]  ? __pfx___sys_socket+0x10/0x10
[ 1302.985308][ T9189]  ? do_user_addr_fault+0x374/0xe30
[ 1302.985470][ T9189]  __x64_sys_setsockopt+0xbd/0x160
[ 1302.985631][ T9189]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1302.985844][ T9189]  do_syscall_64+0xc1/0x1d0
[ 1302.986011][ T9189]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1302.986216][ T9189] RIP: 0033:0x7fcaa1d8b91e
[ 1302.986392][ T9189] 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
[ 1302.986948][ T9189] RSP: 002b:00007ffd1a0b81c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1302.987201][ T9189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcaa1d8b91e
[ 1302.987435][ T9189] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1302.987763][ T9189] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1302.988010][ T9189] R10: 00007ffd1a0b81ec R11: 0000000000000246 R12: 0000000000000000
[ 1302.988254][ T9189] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcaa1e90000
[ 1302.988503][ T9189]  </TASK>
[ 1302.991131][ T9189] veth0: entered allmulticast mode
[ 1302.993065][ T9189] veth1: entered allmulticast mode
[ 1302.993450][ T9189] veth2: entered allmulticast mode
[ 1302.993779][ T9189] veth3: entered allmulticast mode
[ 1322.155111][ T9189] veth0: left allmulticast mode
[ 1322.155492][ T9189] veth1: left allmulticast mode
[ 1322.155731][ T9189] veth2: left allmulticast mode
[ 1322.155967][ T9189] veth3: left allmulticast mode