[   11.481539][  T281] 
[   11.481672][  T281] =============================
[   11.481845][  T281] WARNING: suspicious RCU usage
[   11.482014][  T281] 6.12.0-rc6-virtme #1 Not tainted
[   11.482183][  T281] -----------------------------
[   11.482355][  T281] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   11.482670][  T281] 
[   11.482670][  T281] other info that might help us debug this:
[   11.482670][  T281] 
[   11.483003][  T281] 
[   11.483003][  T281] rcu_scheduler_active = 2, debug_locks = 1
[   11.483252][  T281] no locks held by smcrouted/281.
[   11.483438][  T281] 
[   11.483438][  T281] stack backtrace:
[   11.483650][  T281] CPU: 3 UID: 0 PID: 281 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[   11.483910][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.484126][  T281] Call Trace:
[   11.484261][  T281]  <TASK>
[   11.484354][  T281]  dump_stack_lvl+0xb0/0xd0
[   11.484537][  T281]  lockdep_rcu_suspicious+0x1ea/0x280
[   11.484713][  T281]  ip6mr_get_table+0x142/0x190
[   11.484891][  T281]  ip6_mroute_setsockopt+0x185/0x12d0
[   11.485065][  T281]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   11.485283][  T281]  ? __lock_release+0x103/0x460
[   11.485458][  T281]  ? __might_fault+0x11b/0x170
[   11.485641][  T281]  ? trace_lock_acquire+0x14d/0x1f0
[   11.485817][  T281]  ? __might_fault+0xc3/0x170
[   11.485992][  T281]  ? lock_acquire+0x32/0xc0
[   11.486160][  T281]  ? __might_fault+0xc3/0x170
[   11.486332][  T281]  ? __might_fault+0x11b/0x170
[   11.486510][  T281]  do_ipv6_setsockopt+0x705/0x34e0
[   11.486682][  T281]  ? __lock_release+0xe0/0x460
[   11.486853][  T281]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   11.487026][  T281]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   11.487203][  T281]  ? rcu_read_lock_any_held+0x43/0xb0
[   11.487370][  T281]  ? validate_chain+0x1fe/0xae0
[   11.487542][  T281]  ? is_bpf_text_address+0x67/0x120
[   11.487722][  T281]  ? __pfx_validate_chain+0x10/0x10
[   11.487893][  T281]  ? hlock_class+0x4e/0x130
[   11.488060][  T281]  ? mark_lock+0x38/0x3e0
[   11.488197][  T281]  ? __lock_acquire+0xb3f/0x1580
[   11.488386][  T281]  ? find_held_lock+0x2c/0x110
[   11.488566][  T281]  ? ipv6_setsockopt+0x7f/0xe0
[   11.488733][  T281]  ipv6_setsockopt+0x7f/0xe0
[   11.488904][  T281]  rawv6_setsockopt+0xb7/0x550
[   11.489076][  T281]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   11.489243][  T281]  ? __lock_acquire+0xb3f/0x1580
[   11.489415][  T281]  ? kfree+0x2d/0x340
[   11.489554][  T281]  do_sock_setsockopt+0x149/0x3a0
[   11.489726][  T281]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   11.489895][  T281]  ? __lock_release+0x103/0x460
[   11.490072][  T281]  ? fd_install+0x1d1/0x5a0
[   11.490247][  T281]  ? trace_lock_acquire+0x14d/0x1f0
[   11.490420][  T281]  ? fdget+0x52/0x1e0
[   11.490552][  T281]  __sys_setsockopt+0x104/0x1a0
[   11.490724][  T281]  ? __pfx___sys_setsockopt+0x10/0x10
[   11.490894][  T281]  ? __sys_socket+0x168/0x1e0
[   11.491069][  T281]  ? __pfx___sys_socket+0x10/0x10
[   11.491243][  T281]  __x64_sys_setsockopt+0xbd/0x160
[   11.491415][  T281]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   11.491634][  T281]  do_syscall_64+0xc1/0x1d0
[   11.491810][  T281]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   11.492020][  T281] RIP: 0033:0x7f347244a91e
[   11.492196][  T281] 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
[   11.492787][  T281] RSP: 002b:00007fff50b85578 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.493054][  T281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f347244a91e
[   11.493313][  T281] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   11.493567][  T281] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   11.493826][  T281] R10: 00007fff50b8559c R11: 0000000000000246 R12: 0000000000000000
[   11.494078][  T281] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f347254f000
[   11.494346][  T281]  </TASK>
[   11.498758][  T281] veth0: entered allmulticast mode
[   11.499451][  T281] veth1: entered allmulticast mode
[   11.499787][  T281] veth2: entered allmulticast mode
[   11.500111][  T281] veth3: entered allmulticast mode
[   23.076191][  T369] GACT probability NOT on
[   28.131222][  T485] ip (485) used greatest stack depth: 23680 bytes left
[   30.065232][  T281] veth0: left allmulticast mode
[   30.065604][  T281] veth1: left allmulticast mode
[   30.065848][  T281] veth2: left allmulticast mode
[   30.066117][  T281] veth3: left allmulticast mode