[   10.389523][  T280] 
[   10.389649][  T280] =============================
[   10.389814][  T280] WARNING: suspicious RCU usage
[   10.389976][  T280] 6.12.0-rc7-virtme #1 Not tainted
[   10.390133][  T280] -----------------------------
[   10.390287][  T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   10.390533][  T280] 
[   10.390533][  T280] other info that might help us debug this:
[   10.390533][  T280] 
[   10.390839][  T280] 
[   10.390839][  T280] rcu_scheduler_active = 2, debug_locks = 1
[   10.391070][  T280] no locks held by smcrouted/280.
[   10.391232][  T280] 
[   10.391232][  T280] stack backtrace:
[   10.391435][  T280] CPU: 0 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[   10.391668][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.391865][  T280] Call Trace:
[   10.391989][  T280]  <TASK>
[   10.392074][  T280]  dump_stack_lvl+0xb0/0xd0
[   10.392242][  T280]  lockdep_rcu_suspicious+0x1ea/0x280
[   10.392405][  T280]  ip6mr_get_table+0x142/0x190
[   10.392565][  T280]  ip6_mroute_setsockopt+0x185/0x12d0
[   10.392728][  T280]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   10.392926][  T280]  ? __lock_release+0x103/0x460
[   10.393082][  T280]  ? __might_fault+0x11b/0x170
[   10.393239][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   10.393404][  T280]  ? __might_fault+0xc3/0x170
[   10.393560][  T280]  ? lock_acquire+0x32/0xc0
[   10.393718][  T280]  ? __might_fault+0xc3/0x170
[   10.393880][  T280]  ? __might_fault+0x11b/0x170
[   10.394049][  T280]  do_ipv6_setsockopt+0x705/0x34e0
[   10.394208][  T280]  ? __lock_release+0x40/0x460
[   10.394363][  T280]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   10.394515][  T280]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   10.394674][  T280]  ? rcu_read_lock_any_held+0x43/0xb0
[   10.394844][  T280]  ? validate_chain+0x1fe/0xae0
[   10.394998][  T280]  ? is_bpf_text_address+0x67/0x120
[   10.395162][  T280]  ? __pfx_validate_chain+0x10/0x10
[   10.395319][  T280]  ? hlock_class+0x4e/0x130
[   10.395477][  T280]  ? mark_lock+0x38/0x3e0
[   10.395599][  T280]  ? __lock_acquire+0xb3f/0x1580
[   10.395759][  T280]  ? find_held_lock+0x2c/0x110
[   10.395924][  T280]  ? ipv6_setsockopt+0x7f/0xe0
[   10.396080][  T280]  ipv6_setsockopt+0x7f/0xe0
[   10.396234][  T280]  rawv6_setsockopt+0xb7/0x550
[   10.396393][  T280]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   10.396551][  T280]  ? __lock_acquire+0xb3f/0x1580
[   10.396708][  T280]  ? kfree+0x2d/0x340
[   10.396835][  T280]  do_sock_setsockopt+0x149/0x3a0
[   10.396991][  T280]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   10.397146][  T280]  ? __lock_release+0x103/0x460
[   10.397301][  T280]  ? fd_install+0x1d1/0x5a0
[   10.397468][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   10.397626][  T280]  ? fdget+0x52/0x1e0
[   10.397750][  T280]  __sys_setsockopt+0x104/0x1a0
[   10.397906][  T280]  ? __pfx___sys_setsockopt+0x10/0x10
[   10.398060][  T280]  ? __sys_socket+0x168/0x1e0
[   10.398217][  T280]  ? __pfx___sys_socket+0x10/0x10
[   10.398375][  T280]  ? do_user_addr_fault+0x374/0xe30
[   10.398535][  T280]  __x64_sys_setsockopt+0xbd/0x160
[   10.398689][  T280]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   10.398884][  T280]  do_syscall_64+0xc1/0x1d0
[   10.399043][  T280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   10.399237][  T280] RIP: 0033:0x7ff9c00f091e
[   10.399403][  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
[   10.399942][  T280] RSP: 002b:00007ffd836fe568 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   10.400178][  T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9c00f091e
[   10.400410][  T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   10.400641][  T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   10.400878][  T280] R10: 00007ffd836fe58c R11: 0000000000000246 R12: 0000000000000000
[   10.401112][  T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff9c01f5000
[   10.401352][  T280]  </TASK>
[   10.404513][  T280] veth0: entered allmulticast mode
[   10.405082][  T280] veth1: entered allmulticast mode
[   10.405415][  T280] veth2: entered allmulticast mode
[   10.405732][  T280] veth3: entered allmulticast mode
[   21.517672][  T367] GACT probability NOT on
[   26.165907][  T484] ip (484) used greatest stack depth: 23696 bytes left
[   27.968819][  T280] veth0: left allmulticast mode
[   27.969345][  T280] veth1: left allmulticast mode
[   27.969680][  T280] veth2: left allmulticast mode
[   27.969981][  T280] veth3: left allmulticast mode