[   11.176364][  T280] 
[   11.176547][  T280] =============================
[   11.176735][  T280] WARNING: suspicious RCU usage
[   11.176911][  T280] 6.12.0-rc7-virtme #1 Not tainted
[   11.177087][  T280] -----------------------------
[   11.177260][  T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   11.177526][  T280] 
[   11.177526][  T280] other info that might help us debug this:
[   11.177526][  T280] 
[   11.177853][  T280] 
[   11.177853][  T280] rcu_scheduler_active = 2, debug_locks = 1
[   11.178096][  T280] no locks held by smcrouted/280.
[   11.178274][  T280] 
[   11.178274][  T280] stack backtrace:
[   11.178507][  T280] CPU: 2 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[   11.178748][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.178943][  T280] Call Trace:
[   11.179064][  T280]  <TASK>
[   11.179149][  T280]  dump_stack_lvl+0xb0/0xd0
[   11.179321][  T280]  lockdep_rcu_suspicious+0x1ea/0x280
[   11.179485][  T280]  ip6mr_get_table+0x142/0x190
[   11.179643][  T280]  ip6_mroute_setsockopt+0x185/0x12d0
[   11.179805][  T280]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   11.180005][  T280]  ? __lock_release+0x103/0x460
[   11.180163][  T280]  ? __might_fault+0x11b/0x170
[   11.180320][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   11.180487][  T280]  ? __might_fault+0xc3/0x170
[   11.180643][  T280]  ? lock_acquire+0x32/0xc0
[   11.180798][  T280]  ? __might_fault+0xc3/0x170
[   11.180956][  T280]  ? __might_fault+0x11b/0x170
[   11.181120][  T280]  do_ipv6_setsockopt+0x705/0x34e0
[   11.181285][  T280]  ? __lock_release+0x10/0x460
[   11.181442][  T280]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   11.181595][  T280]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   11.181756][  T280]  ? rcu_read_lock_any_held+0x43/0xb0
[   11.181914][  T280]  ? validate_chain+0x1fe/0xae0
[   11.182075][  T280]  ? is_bpf_text_address+0x67/0x120
[   11.182237][  T280]  ? __pfx_validate_chain+0x10/0x10
[   11.182392][  T280]  ? hlock_class+0x4e/0x130
[   11.182548][  T280]  ? mark_lock+0x38/0x3e0
[   11.182671][  T280]  ? __lock_acquire+0xb3f/0x1580
[   11.182841][  T280]  ? find_held_lock+0x2c/0x110
[   11.183007][  T280]  ? ipv6_setsockopt+0x7f/0xe0
[   11.183160][  T280]  ipv6_setsockopt+0x7f/0xe0
[   11.183319][  T280]  rawv6_setsockopt+0xb7/0x550
[   11.183478][  T280]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   11.183632][  T280]  ? __lock_acquire+0xb3f/0x1580
[   11.183797][  T280]  ? kfree+0x2d/0x340
[   11.183922][  T280]  do_sock_setsockopt+0x149/0x3a0
[   11.184080][  T280]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   11.184235][  T280]  ? __lock_release+0x103/0x460
[   11.184392][  T280]  ? fd_install+0x1d1/0x5a0
[   11.184552][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   11.184713][  T280]  ? fdget+0x52/0x1e0
[   11.184835][  T280]  __sys_setsockopt+0x104/0x1a0
[   11.184998][  T280]  ? __pfx___sys_setsockopt+0x10/0x10
[   11.185155][  T280]  ? __sys_socket+0x168/0x1e0
[   11.185311][  T280]  ? __pfx___sys_socket+0x10/0x10
[   11.185473][  T280]  ? do_user_addr_fault+0x374/0xe30
[   11.185636][  T280]  __x64_sys_setsockopt+0xbd/0x160
[   11.185790][  T280]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   11.185983][  T280]  do_syscall_64+0xc1/0x1d0
[   11.186146][  T280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   11.186338][  T280] RIP: 0033:0x7fe4dfe6191e
[   11.186502][  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
[   11.187055][  T280] RSP: 002b:00007fff9427eb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.187291][  T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4dfe6191e
[   11.187533][  T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   11.187766][  T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   11.188003][  T280] R10: 00007fff9427ebbc R11: 0000000000000246 R12: 0000000000000000
[   11.188239][  T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe4dff66000
[   11.188491][  T280]  </TASK>
[   11.192414][  T280] veth0: entered allmulticast mode
[   11.193154][  T280] veth1: entered allmulticast mode
[   11.193521][  T280] veth2: entered allmulticast mode
[   11.193868][  T280] veth3: entered allmulticast mode
[   22.606446][  T368] GACT probability NOT on
[   29.651294][  T280] veth0: left allmulticast mode
[   29.651694][  T280] veth1: left allmulticast mode
[   29.651941][  T280] veth2: left allmulticast mode
[   29.652176][  T280] veth3: left allmulticast mode