[ 1337.314683][T17728] 
[ 1337.314898][T17728] =============================
[ 1337.315111][T17728] WARNING: suspicious RCU usage
[ 1337.315357][T17728] 6.12.0-rc6-virtme #1 Not tainted
[ 1337.315544][T17728] -----------------------------
[ 1337.315738][T17728] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1337.316008][T17728] 
[ 1337.316008][T17728] other info that might help us debug this:
[ 1337.316008][T17728] 
[ 1337.316374][T17728] 
[ 1337.316374][T17728] rcu_scheduler_active = 2, debug_locks = 1
[ 1337.317110][T17728] no locks held by smcrouted/17728.
[ 1337.317325][T17728] 
[ 1337.317325][T17728] stack backtrace:
[ 1337.317567][T17728] CPU: 2 UID: 0 PID: 17728 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1337.317880][T17728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1337.318101][T17728] Call Trace:
[ 1337.318246][T17728]  <TASK>
[ 1337.318344][T17728]  dump_stack_lvl+0xb0/0xd0
[ 1337.318534][T17728]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1337.318720][T17728]  ip6mr_get_table+0x142/0x190
[ 1337.318910][T17728]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1337.319094][T17728]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1337.319330][T17728]  ? __lock_release+0x103/0x460
[ 1337.319511][T17728]  ? __might_fault+0x11b/0x170
[ 1337.319727][T17728]  ? trace_lock_acquire+0x14d/0x1f0
[ 1337.319909][T17728]  ? __might_fault+0xc3/0x170
[ 1337.320079][T17728]  ? lock_acquire+0x32/0xc0
[ 1337.320262][T17728]  ? __might_fault+0xc3/0x170
[ 1337.320445][T17728]  ? __might_fault+0x11b/0x170
[ 1337.320625][T17728]  do_ipv6_setsockopt+0x705/0x34e0
[ 1337.320807][T17728]  ? __lock_release+0xe0/0x460
[ 1337.320985][T17728]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1337.321160][T17728]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1337.321333][T17728]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1337.321504][T17728]  ? validate_chain+0x1fe/0xae0
[ 1337.321677][T17728]  ? is_bpf_text_address+0x67/0x120
[ 1337.321860][T17728]  ? __pfx_validate_chain+0x10/0x10
[ 1337.322030][T17728]  ? hlock_class+0x4e/0x130
[ 1337.322200][T17728]  ? mark_lock+0x38/0x3e0
[ 1337.322337][T17728]  ? __lock_acquire+0xb3f/0x1580
[ 1337.322520][T17728]  ? find_held_lock+0x2c/0x110
[ 1337.322696][T17728]  ? ipv6_setsockopt+0x7f/0xe0
[ 1337.322868][T17728]  ipv6_setsockopt+0x7f/0xe0
[ 1337.323042][T17728]  rawv6_setsockopt+0xb7/0x550
[ 1337.323218][T17728]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1337.323387][T17728]  ? __lock_acquire+0xb3f/0x1580
[ 1337.323561][T17728]  ? kfree+0x2d/0x340
[ 1337.323704][T17728]  do_sock_setsockopt+0x149/0x3a0
[ 1337.323875][T17728]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1337.324054][T17728]  ? __lock_release+0x103/0x460
[ 1337.324222][T17728]  ? fd_install+0x1d1/0x5a0
[ 1337.324398][T17728]  ? trace_lock_acquire+0x14d/0x1f0
[ 1337.324570][T17728]  ? fdget+0x52/0x1e0
[ 1337.324707][T17728]  __sys_setsockopt+0x104/0x1a0
[ 1337.324878][T17728]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1337.325045][T17728]  ? __sys_socket+0x168/0x1e0
[ 1337.325417][T17728]  ? __pfx___sys_socket+0x10/0x10
[ 1337.325591][T17728]  ? do_user_addr_fault+0x374/0xe30
[ 1337.325779][T17728]  __x64_sys_setsockopt+0xbd/0x160
[ 1337.325949][T17728]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1337.326163][T17728]  do_syscall_64+0xc1/0x1d0
[ 1337.326348][T17728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1337.326573][T17728] RIP: 0033:0x7fd52969d91e
[ 1337.326764][T17728] 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
[ 1337.327381][T17728] RSP: 002b:00007ffe37392db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1337.327651][T17728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd52969d91e
[ 1337.327920][T17728] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1337.328177][T17728] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1337.328449][T17728] R10: 00007ffe37392ddc R11: 0000000000000246 R12: 0000000000000000
[ 1337.328711][T17728] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd5297a2000
[ 1337.328988][T17728]  </TASK>
[ 1337.331942][T17728] veth0: entered allmulticast mode
[ 1337.332562][T17728] veth1: entered allmulticast mode
[ 1337.332941][T17728] veth2: entered allmulticast mode
[ 1337.333326][T17728] veth3: entered allmulticast mode
[ 1337.333687][T17728] veth4: entered allmulticast mode
[ 1337.334057][T17728] veth5: entered allmulticast mode
[ 1363.041457][T17728] veth0: left allmulticast mode
[ 1363.041829][T17728] veth1: left allmulticast mode
[ 1363.042105][T17728] veth2: left allmulticast mode
[ 1363.042396][T17728] veth3: left allmulticast mode
[ 1363.042664][T17728] veth4: left allmulticast mode
[ 1363.042931][T17728] veth5: left allmulticast mode