[ 1317.924173][T16531] 
[ 1317.924376][T16531] =============================
[ 1317.924576][T16531] WARNING: suspicious RCU usage
[ 1317.924756][T16531] 6.12.0-rc7-virtme #1 Not tainted
[ 1317.924928][T16531] -----------------------------
[ 1317.925102][T16531] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1317.925368][T16531] 
[ 1317.925368][T16531] other info that might help us debug this:
[ 1317.925368][T16531] 
[ 1317.925783][T16531] 
[ 1317.925783][T16531] rcu_scheduler_active = 2, debug_locks = 1
[ 1317.926043][T16531] no locks held by smcrouted/16531.
[ 1317.926230][T16531] 
[ 1317.926230][T16531] stack backtrace:
[ 1317.926478][T16531] CPU: 2 UID: 0 PID: 16531 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1317.926786][T16531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1317.926999][T16531] Call Trace:
[ 1317.927136][T16531]  <TASK>
[ 1317.927233][T16531]  dump_stack_lvl+0xb0/0xd0
[ 1317.927417][T16531]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1317.927595][T16531]  ip6mr_get_table+0x142/0x190
[ 1317.927775][T16531]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1317.927959][T16531]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1317.928179][T16531]  ? __lock_release+0x103/0x460
[ 1317.928354][T16531]  ? __might_fault+0x11b/0x170
[ 1317.928539][T16531]  ? trace_lock_acquire+0x14d/0x1f0
[ 1317.928722][T16531]  ? __might_fault+0xc3/0x170
[ 1317.928893][T16531]  ? lock_acquire+0x32/0xc0
[ 1317.929063][T16531]  ? __might_fault+0xc3/0x170
[ 1317.929239][T16531]  ? __might_fault+0x11b/0x170
[ 1317.929417][T16531]  do_ipv6_setsockopt+0x705/0x34e0
[ 1317.929591][T16531]  ? __lock_release+0x10/0x460
[ 1317.929768][T16531]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1317.929941][T16531]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1317.930121][T16531]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1317.930293][T16531]  ? validate_chain+0x1fe/0xae0
[ 1317.930462][T16531]  ? is_bpf_text_address+0x67/0x120
[ 1317.930646][T16531]  ? __pfx_validate_chain+0x10/0x10
[ 1317.930825][T16531]  ? hlock_class+0x4e/0x130
[ 1317.931002][T16531]  ? mark_lock+0x38/0x3e0
[ 1317.931138][T16531]  ? __lock_acquire+0xb3f/0x1580
[ 1317.931310][T16531]  ? find_held_lock+0x2c/0x110
[ 1317.931488][T16531]  ? ipv6_setsockopt+0x7f/0xe0
[ 1317.931674][T16531]  ipv6_setsockopt+0x7f/0xe0
[ 1317.931830][T16531]  rawv6_setsockopt+0xb7/0x550
[ 1317.931995][T16531]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1317.932159][T16531]  ? __lock_acquire+0xb3f/0x1580
[ 1317.932323][T16531]  ? kfree+0x2d/0x340
[ 1317.932451][T16531]  do_sock_setsockopt+0x149/0x3a0
[ 1317.932620][T16531]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1317.932784][T16531]  ? __lock_release+0x103/0x460
[ 1317.932939][T16531]  ? fd_install+0x1d1/0x5a0
[ 1317.933123][T16531]  ? trace_lock_acquire+0x14d/0x1f0
[ 1317.933289][T16531]  ? fdget+0x52/0x1e0
[ 1317.933421][T16531]  __sys_setsockopt+0x104/0x1a0
[ 1317.933588][T16531]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1317.933749][T16531]  ? __sys_socket+0x168/0x1e0
[ 1317.933908][T16531]  ? __pfx___sys_socket+0x10/0x10
[ 1317.934068][T16531]  ? do_user_addr_fault+0x374/0xe30
[ 1317.934231][T16531]  __x64_sys_setsockopt+0xbd/0x160
[ 1317.934397][T16531]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1317.934606][T16531]  do_syscall_64+0xc1/0x1d0
[ 1317.934785][T16531]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1317.934998][T16531] RIP: 0033:0x7fc48ad4691e
[ 1317.935190][T16531] 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
[ 1317.935764][T16531] RSP: 002b:00007ffc2edd8ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1317.936007][T16531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc48ad4691e
[ 1317.936244][T16531] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1317.936488][T16531] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1317.936739][T16531] R10: 00007ffc2edd8eec R11: 0000000000000246 R12: 0000000000000000
[ 1317.936998][T16531] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc48ae4b000
[ 1317.937264][T16531]  </TASK>
[ 1317.941189][T16531] veth0: entered allmulticast mode
[ 1317.941809][T16531] veth1: entered allmulticast mode
[ 1317.942178][T16531] veth2: entered allmulticast mode
[ 1317.942547][T16531] veth3: entered allmulticast mode
[ 1317.942904][T16531] veth4: entered allmulticast mode
[ 1317.943246][T16531] veth5: entered allmulticast mode
[ 1343.865954][T16531] veth0: left allmulticast mode
[ 1343.866327][T16531] veth1: left allmulticast mode
[ 1343.866580][T16531] veth2: left allmulticast mode
[ 1343.866821][T16531] veth3: left allmulticast mode
[ 1343.867055][T16531] veth4: left allmulticast mode
[ 1343.867385][T16531] veth5: left allmulticast mode