[ 1323.739198][T16924] 
[ 1323.739624][T16924] =============================
[ 1323.739791][T16924] WARNING: suspicious RCU usage
[ 1323.739950][T16924] 6.12.0-rc6-virtme #1 Not tainted
[ 1323.740108][T16924] -----------------------------
[ 1323.740273][T16924] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1323.740542][T16924] 
[ 1323.740542][T16924] other info that might help us debug this:
[ 1323.740542][T16924] 
[ 1323.740854][T16924] 
[ 1323.740854][T16924] rcu_scheduler_active = 2, debug_locks = 1
[ 1323.741092][T16924] no locks held by smcrouted/16924.
[ 1323.741251][T16924] 
[ 1323.741251][T16924] stack backtrace:
[ 1323.741465][T16924] CPU: 0 UID: 0 PID: 16924 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1323.741751][T16924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1323.741956][T16924] Call Trace:
[ 1323.742089][T16924]  <TASK>
[ 1323.742177][T16924]  dump_stack_lvl+0xb0/0xd0
[ 1323.742347][T16924]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1323.742512][T16924]  ip6mr_get_table+0x142/0x190
[ 1323.742673][T16924]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1323.742838][T16924]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1323.743076][T16924]  ? __lock_release+0x103/0x460
[ 1323.743234][T16924]  ? __might_fault+0x11b/0x170
[ 1323.743400][T16924]  ? trace_lock_acquire+0x14d/0x1f0
[ 1323.743570][T16924]  ? __might_fault+0xc3/0x170
[ 1323.743737][T16924]  ? lock_acquire+0x32/0xc0
[ 1323.743897][T16924]  ? __might_fault+0xc3/0x170
[ 1323.744059][T16924]  ? __might_fault+0x11b/0x170
[ 1323.744231][T16924]  do_ipv6_setsockopt+0x705/0x34e0
[ 1323.744390][T16924]  ? __lock_release+0xe0/0x460
[ 1323.744549][T16924]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1323.744706][T16924]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1323.744873][T16924]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1323.745033][T16924]  ? validate_chain+0x1fe/0xae0
[ 1323.745191][T16924]  ? is_bpf_text_address+0x67/0x120
[ 1323.745356][T16924]  ? __pfx_validate_chain+0x10/0x10
[ 1323.745515][T16924]  ? hlock_class+0x4e/0x130
[ 1323.745676][T16924]  ? mark_lock+0x38/0x3e0
[ 1323.745812][T16924]  ? __lock_acquire+0xb3f/0x1580
[ 1323.745985][T16924]  ? find_held_lock+0x2c/0x110
[ 1323.746155][T16924]  ? ipv6_setsockopt+0x7f/0xe0
[ 1323.746323][T16924]  ipv6_setsockopt+0x7f/0xe0
[ 1323.746483][T16924]  rawv6_setsockopt+0xb7/0x550
[ 1323.746647][T16924]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1323.746804][T16924]  ? __lock_acquire+0xb3f/0x1580
[ 1323.746968][T16924]  ? kfree+0x2d/0x340
[ 1323.747096][T16924]  do_sock_setsockopt+0x149/0x3a0
[ 1323.747257][T16924]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1323.747413][T16924]  ? __lock_release+0x103/0x460
[ 1323.747573][T16924]  ? fd_install+0x1d1/0x5a0
[ 1323.747740][T16924]  ? trace_lock_acquire+0x14d/0x1f0
[ 1323.747902][T16924]  ? fdget+0x52/0x1e0
[ 1323.748025][T16924]  __sys_setsockopt+0x104/0x1a0
[ 1323.748194][T16924]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1323.748353][T16924]  ? __sys_socket+0x168/0x1e0
[ 1323.748519][T16924]  ? __pfx___sys_socket+0x10/0x10
[ 1323.748680][T16924]  ? do_user_addr_fault+0x374/0xe30
[ 1323.748848][T16924]  __x64_sys_setsockopt+0xbd/0x160
[ 1323.749007][T16924]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1323.749224][T16924]  do_syscall_64+0xc1/0x1d0
[ 1323.749394][T16924]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1323.749591][T16924] RIP: 0033:0x7fee05bc491e
[ 1323.749760][T16924] 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
[ 1323.750421][T16924] RSP: 002b:00007fffc5c2a1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1323.750757][T16924] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee05bc491e
[ 1323.750997][T16924] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1323.751233][T16924] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1323.751565][T16924] R10: 00007fffc5c2a1fc R11: 0000000000000246 R12: 0000000000000000
[ 1323.751799][T16924] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fee05cc9000
[ 1323.752047][T16924]  </TASK>
[ 1323.755546][T16924] veth0: entered allmulticast mode
[ 1323.756055][T16924] veth1: entered allmulticast mode
[ 1323.756403][T16924] veth2: entered allmulticast mode
[ 1323.756733][T16924] veth3: entered allmulticast mode
[ 1323.757043][T16924] veth4: entered allmulticast mode
[ 1323.757374][T16924] veth5: entered allmulticast mode
[ 1348.533916][T16924] veth0: left allmulticast mode
[ 1348.534282][T16924] veth1: left allmulticast mode
[ 1348.534537][T16924] veth2: left allmulticast mode
[ 1348.534769][T16924] veth3: left allmulticast mode
[ 1348.535004][T16924] veth4: left allmulticast mode
[ 1348.535236][T16924] veth5: left allmulticast mode