[   11.405707][  T279] 
[   11.405848][  T279] =============================
[   11.406015][  T279] WARNING: suspicious RCU usage
[   11.406178][  T279] 6.12.0-virtme #1 Not tainted
[   11.406340][  T279] -----------------------------
[   11.406612][  T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   11.406849][  T279] 
[   11.406849][  T279] other info that might help us debug this:
[   11.406849][  T279] 
[   11.407162][  T279] 
[   11.407162][  T279] rcu_scheduler_active = 2, debug_locks = 1
[   11.407402][  T279] no locks held by smcrouted/279.
[   11.407580][  T279] 
[   11.407580][  T279] stack backtrace:
[   11.407786][  T279] CPU: 0 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-virtme #1
[   11.408038][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.408244][  T279] Call Trace:
[   11.408371][  T279]  <TASK>
[   11.408461][  T279]  dump_stack_lvl+0xb0/0xd0
[   11.408637][  T279]  lockdep_rcu_suspicious+0x1ea/0x280
[   11.408809][  T279]  ip6mr_get_table+0x142/0x190
[   11.408978][  T279]  ip6_mroute_setsockopt+0x185/0x12d0
[   11.409146][  T279]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   11.409355][  T279]  ? __lock_release+0x103/0x460
[   11.409516][  T279]  ? __might_fault+0x11b/0x170
[   11.409688][  T279]  ? trace_lock_acquire+0x14d/0x1f0
[   11.409855][  T279]  ? __might_fault+0xc3/0x170
[   11.410020][  T279]  ? lock_acquire+0x32/0xc0
[   11.410181][  T279]  ? __might_fault+0xc3/0x170
[   11.410348][  T279]  ? __might_fault+0x11b/0x170
[   11.410525][  T279]  do_ipv6_setsockopt+0x705/0x34e0
[   11.410691][  T279]  ? validate_chain+0x160/0xae0
[   11.410857][  T279]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   11.411023][  T279]  ? __pfx_validate_chain+0x10/0x10
[   11.411185][  T279]  ? hlock_class+0x4e/0x130
[   11.411347][  T279]  ? mark_lock+0x38/0x3e0
[   11.411482][  T279]  ? __lock_acquire+0xb9a/0x1680
[   11.411648][  T279]  ? queued_spin_lock_slowpath+0xee/0x970
[   11.411816][  T279]  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[   11.412018][  T279]  ? find_held_lock+0x2c/0x110
[   11.412185][  T279]  ? __lock_release+0x103/0x460
[   11.412346][  T279]  ? __create_object+0x5e/0xb0
[   11.412508][  T279]  ? __pfx___lock_release+0x10/0x10
[   11.412668][  T279]  ? __pfx_validate_chain+0x10/0x10
[   11.412830][  T279]  ? hlock_class+0x4e/0x130
[   11.412987][  T279]  ? mark_lock+0x38/0x3e0
[   11.413115][  T279]  ? ipv6_setsockopt+0x7f/0xe0
[   11.413275][  T279]  ipv6_setsockopt+0x7f/0xe0
[   11.413440][  T279]  rawv6_setsockopt+0xb7/0x550
[   11.413605][  T279]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   11.413773][  T279]  ? find_held_lock+0x2c/0x110
[   11.413943][  T279]  ? kfree+0x2d/0x340
[   11.414067][  T279]  ? __lock_release+0x103/0x460
[   11.414228][  T279]  ? fd_install+0x1d1/0x5a0
[   11.414399][  T279]  do_sock_setsockopt+0x149/0x3a0
[   11.414564][  T279]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   11.414745][  T279]  __sys_setsockopt+0xec/0x160
[   11.414912][  T279]  __x64_sys_setsockopt+0xbd/0x160
[   11.415070][  T279]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   11.415269][  T279]  do_syscall_64+0xc1/0x1d0
[   11.415432][  T279]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   11.415629][  T279] RIP: 0033:0x7f935a67091e
[   11.415803][  T279] 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
[   11.416478][  T279] RSP: 002b:00007ffcddcc2ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.416724][  T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f935a67091e
[   11.416966][  T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   11.417211][  T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   11.417448][  T279] R10: 00007ffcddcc2eec R11: 0000000000000246 R12: 0000000000000000
[   11.417692][  T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f935a775000
[   11.417949][  T279]  </TASK>
[   11.421773][  T279] veth0: entered allmulticast mode
[   11.422642][  T279] veth1: entered allmulticast mode
[   11.423333][  T279] veth2: entered allmulticast mode
[   11.423694][  T279] veth3: entered allmulticast mode
[   12.727150][  T296] ip (296) used greatest stack depth: 24224 bytes left
[   22.961034][  T366] GACT probability NOT on
[   28.111620][  T483] ip (483) used greatest stack depth: 24208 bytes left
[   30.106802][  T279] veth0: left allmulticast mode
[   30.107095][  T279] veth1: left allmulticast mode
[   30.107318][  T279] veth2: left allmulticast mode
[   30.108567][  T279] veth3: left allmulticast mode