[ 1334.916189][ T5289] 
[ 1334.916327][ T5289] =============================
[ 1334.916712][ T5289] WARNING: suspicious RCU usage
[ 1334.916875][ T5289] 6.12.0-rc6-virtme #1 Not tainted
[ 1334.917031][ T5289] -----------------------------
[ 1334.917192][ T5289] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1334.917457][ T5289] 
[ 1334.917457][ T5289] other info that might help us debug this:
[ 1334.917457][ T5289] 
[ 1334.917774][ T5289] 
[ 1334.917774][ T5289] rcu_scheduler_active = 2, debug_locks = 1
[ 1334.918021][ T5289] no locks held by smcrouted/5289.
[ 1334.918185][ T5289] 
[ 1334.918185][ T5289] stack backtrace:
[ 1334.918411][ T5289] CPU: 0 UID: 0 PID: 5289 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1334.918699][ T5289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1334.918898][ T5289] Call Trace:
[ 1334.919035][ T5289]  <TASK>
[ 1334.919121][ T5289]  dump_stack_lvl+0xb0/0xd0
[ 1334.919291][ T5289]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1334.919470][ T5289]  ip6mr_get_table+0x142/0x190
[ 1334.919641][ T5289]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1334.919808][ T5289]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1334.920024][ T5289]  ? __lock_release+0x103/0x460
[ 1334.920190][ T5289]  ? __might_fault+0x11b/0x170
[ 1334.920352][ T5289]  ? trace_lock_acquire+0x14d/0x1f0
[ 1334.920815][ T5289]  ? __might_fault+0xc3/0x170
[ 1334.920976][ T5289]  ? lock_acquire+0x32/0xc0
[ 1334.921136][ T5289]  ? __might_fault+0xc3/0x170
[ 1334.921297][ T5289]  ? __might_fault+0x11b/0x170
[ 1334.921461][ T5289]  do_ipv6_setsockopt+0x705/0x34e0
[ 1334.921621][ T5289]  ? __lock_release+0xe0/0x460
[ 1334.921787][ T5289]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1334.921942][ T5289]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1334.922102][ T5289]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1334.922259][ T5289]  ? validate_chain+0x1fe/0xae0
[ 1334.922417][ T5289]  ? is_bpf_text_address+0x67/0x120
[ 1334.922594][ T5289]  ? __pfx_validate_chain+0x10/0x10
[ 1334.922751][ T5289]  ? hlock_class+0x4e/0x130
[ 1334.922913][ T5289]  ? mark_lock+0x38/0x3e0
[ 1334.923046][ T5289]  ? __lock_acquire+0xb3f/0x1580
[ 1334.923214][ T5289]  ? find_held_lock+0x2c/0x110
[ 1334.923400][ T5289]  ? ipv6_setsockopt+0x7f/0xe0
[ 1334.923576][ T5289]  ipv6_setsockopt+0x7f/0xe0
[ 1334.923758][ T5289]  rawv6_setsockopt+0xb7/0x550
[ 1334.923923][ T5289]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1334.924097][ T5289]  ? __lock_acquire+0xb3f/0x1580
[ 1334.924272][ T5289]  ? kfree+0x2d/0x340
[ 1334.924400][ T5289]  do_sock_setsockopt+0x149/0x3a0
[ 1334.924571][ T5289]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1334.924738][ T5289]  ? __lock_release+0x103/0x460
[ 1334.924910][ T5289]  ? fd_install+0x1d1/0x5a0
[ 1334.925075][ T5289]  ? trace_lock_acquire+0x14d/0x1f0
[ 1334.925251][ T5289]  ? fdget+0x52/0x1e0
[ 1334.925391][ T5289]  __sys_setsockopt+0x104/0x1a0
[ 1334.925566][ T5289]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1334.925735][ T5289]  ? __sys_socket+0x168/0x1e0
[ 1334.925896][ T5289]  ? __pfx___sys_socket+0x10/0x10
[ 1334.926060][ T5289]  ? do_user_addr_fault+0x374/0xe30
[ 1334.926225][ T5289]  __x64_sys_setsockopt+0xbd/0x160
[ 1334.926384][ T5289]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1334.926585][ T5289]  do_syscall_64+0xc1/0x1d0
[ 1334.926753][ T5289]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1334.926947][ T5289] RIP: 0033:0x7f019403691e
[ 1334.927117][ T5289] 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
[ 1334.927680][ T5289] RSP: 002b:00007ffce89185a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1334.927928][ T5289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f019403691e
[ 1334.928175][ T5289] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1334.928408][ T5289] RBP: 0000000000000008 R08: 0000000000000004 R09: 000000002dac9010
[ 1334.928642][ T5289] R10: 00007ffce89185cc R11: 0000000000000246 R12: 0000000000000000
[ 1334.928884][ T5289] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f019413b000
[ 1334.929134][ T5289]  </TASK>
[ 1334.933111][ T5289] veth0: entered allmulticast mode
[ 1334.933711][ T5289] veth1: entered allmulticast mode
[ 1334.934046][ T5289] veth2: entered allmulticast mode
[ 1334.934363][ T5289] veth3: entered allmulticast mode
[ 1334.936139][ T5289] veth4: entered allmulticast mode
[ 1334.936501][ T5289] veth5: entered allmulticast mode
[ 1360.689897][ T5289] veth0: left allmulticast mode
[ 1360.690292][ T5289] veth1: left allmulticast mode
[ 1360.690544][ T5289] veth2: left allmulticast mode
[ 1360.690775][ T5289] veth3: left allmulticast mode
[ 1360.691010][ T5289] veth4: left allmulticast mode
[ 1360.691239][ T5289] veth5: left allmulticast mode