[   10.959122][  T280] 
[   10.959385][  T280] =============================
[   10.959586][  T280] WARNING: suspicious RCU usage
[   10.959773][  T280] 6.12.0-rc7-virtme #1 Not tainted
[   10.959954][  T280] -----------------------------
[   10.960148][  T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   10.960426][  T280] 
[   10.960426][  T280] other info that might help us debug this:
[   10.960426][  T280] 
[   10.960771][  T280] 
[   10.960771][  T280] rcu_scheduler_active = 2, debug_locks = 1
[   10.961042][  T280] no locks held by smcrouted/280.
[   10.961229][  T280] 
[   10.961229][  T280] stack backtrace:
[   10.961516][  T280] CPU: 2 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[   10.961770][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.961992][  T280] Call Trace:
[   10.962142][  T280]  <TASK>
[   10.962233][  T280]  dump_stack_lvl+0xb0/0xd0
[   10.962424][  T280]  lockdep_rcu_suspicious+0x1ea/0x280
[   10.962615][  T280]  ip6mr_get_table+0x142/0x190
[   10.962787][  T280]  ip6_mroute_setsockopt+0x185/0x12d0
[   10.962963][  T280]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   10.963176][  T280]  ? __lock_release+0x103/0x460
[   10.963348][  T280]  ? __might_fault+0x11b/0x170
[   10.963515][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   10.963690][  T280]  ? __might_fault+0xc3/0x170
[   10.963856][  T280]  ? lock_acquire+0x32/0xc0
[   10.964027][  T280]  ? __might_fault+0xc3/0x170
[   10.964205][  T280]  ? __might_fault+0x11b/0x170
[   10.964382][  T280]  do_ipv6_setsockopt+0x705/0x34e0
[   10.964552][  T280]  ? __lock_release+0x10/0x460
[   10.964725][  T280]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   10.964890][  T280]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   10.965062][  T280]  ? rcu_read_lock_any_held+0x43/0xb0
[   10.965234][  T280]  ? validate_chain+0x1fe/0xae0
[   10.965408][  T280]  ? is_bpf_text_address+0x67/0x120
[   10.965587][  T280]  ? __pfx_validate_chain+0x10/0x10
[   10.965761][  T280]  ? hlock_class+0x4e/0x130
[   10.965931][  T280]  ? mark_lock+0x38/0x3e0
[   10.966070][  T280]  ? __lock_acquire+0xb3f/0x1580
[   10.966253][  T280]  ? find_held_lock+0x2c/0x110
[   10.966428][  T280]  ? ipv6_setsockopt+0x7f/0xe0
[   10.966595][  T280]  ipv6_setsockopt+0x7f/0xe0
[   10.966766][  T280]  rawv6_setsockopt+0xb7/0x550
[   10.966940][  T280]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   10.967109][  T280]  ? __lock_acquire+0xb3f/0x1580
[   10.967279][  T280]  ? kfree+0x2d/0x340
[   10.967414][  T280]  do_sock_setsockopt+0x149/0x3a0
[   10.967586][  T280]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   10.967754][  T280]  ? __lock_release+0x103/0x460
[   10.967917][  T280]  ? fd_install+0x1d1/0x5a0
[   10.968089][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   10.968263][  T280]  ? fdget+0x52/0x1e0
[   10.968395][  T280]  __sys_setsockopt+0x104/0x1a0
[   10.968568][  T280]  ? __pfx___sys_setsockopt+0x10/0x10
[   10.968734][  T280]  ? __sys_socket+0x168/0x1e0
[   10.968907][  T280]  ? __pfx___sys_socket+0x10/0x10
[   10.969074][  T280]  ? do_user_addr_fault+0x374/0xe30
[   10.969247][  T280]  __x64_sys_setsockopt+0xbd/0x160
[   10.969415][  T280]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   10.969624][  T280]  do_syscall_64+0xc1/0x1d0
[   10.969794][  T280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   10.970003][  T280] RIP: 0033:0x7f915b53791e
[   10.970184][  T280] 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
[   10.970777][  T280] RSP: 002b:00007ffd9fdffba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   10.971033][  T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f915b53791e
[   10.971284][  T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   10.971546][  T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   10.971798][  T280] R10: 00007ffd9fdffbcc R11: 0000000000000246 R12: 0000000000000000
[   10.972049][  T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f915b63c000
[   10.972326][  T280]  </TASK>
[   10.977169][  T280] veth0: entered allmulticast mode
[   10.977835][  T280] veth1: entered allmulticast mode
[   10.978189][  T280] veth2: entered allmulticast mode
[   10.978550][  T280] veth3: entered allmulticast mode
[   22.306949][  T369] GACT probability NOT on
[   28.969214][  T280] veth0: left allmulticast mode
[   28.975254][  T280] veth1: left allmulticast mode
[   28.975582][  T280] veth2: left allmulticast mode
[   28.975843][  T280] veth3: left allmulticast mode