[ 1258.840383][ T4455] 
[ 1258.840529][ T4455] =============================
[ 1258.840708][ T4455] WARNING: suspicious RCU usage
[ 1258.840880][ T4455] 6.12.0-rc6-virtme #1 Not tainted
[ 1258.841054][ T4455] -----------------------------
[ 1258.841242][ T4455] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1258.841555][ T4455] 
[ 1258.841555][ T4455] other info that might help us debug this:
[ 1258.841555][ T4455] 
[ 1258.841898][ T4455] 
[ 1258.841898][ T4455] rcu_scheduler_active = 2, debug_locks = 1
[ 1258.842156][ T4455] no locks held by smcrouted/4455.
[ 1258.842348][ T4455] 
[ 1258.842348][ T4455] stack backtrace:
[ 1258.842559][ T4455] CPU: 1 UID: 0 PID: 4455 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1258.842860][ T4455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1258.843080][ T4455] Call Trace:
[ 1258.843212][ T4455]  <TASK>
[ 1258.843307][ T4455]  dump_stack_lvl+0xb0/0xd0
[ 1258.843489][ T4455]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1258.843653][ T4455]  ip6mr_get_table+0x142/0x190
[ 1258.843816][ T4455]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1258.843978][ T4455]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1258.844196][ T4455]  ? __lock_release+0x103/0x460
[ 1258.844366][ T4455]  ? __might_fault+0x11b/0x170
[ 1258.844540][ T4455]  ? trace_lock_acquire+0x14d/0x1f0
[ 1258.844718][ T4455]  ? __might_fault+0xc3/0x170
[ 1258.844893][ T4455]  ? lock_acquire+0x32/0xc0
[ 1258.845071][ T4455]  ? __might_fault+0xc3/0x170
[ 1258.845249][ T4455]  ? __might_fault+0x11b/0x170
[ 1258.845428][ T4455]  do_ipv6_setsockopt+0x705/0x34e0
[ 1258.845607][ T4455]  ? __lock_release+0xe0/0x460
[ 1258.845784][ T4455]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1258.845956][ T4455]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1258.846134][ T4455]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1258.846309][ T4455]  ? validate_chain+0x1fe/0xae0
[ 1258.846483][ T4455]  ? is_bpf_text_address+0x67/0x120
[ 1258.846663][ T4455]  ? __pfx_validate_chain+0x10/0x10
[ 1258.846835][ T4455]  ? hlock_class+0x4e/0x130
[ 1258.847008][ T4455]  ? mark_lock+0x38/0x3e0
[ 1258.847151][ T4455]  ? __lock_acquire+0xb3f/0x1580
[ 1258.847333][ T4455]  ? find_held_lock+0x2c/0x110
[ 1258.847519][ T4455]  ? ipv6_setsockopt+0x7f/0xe0
[ 1258.847692][ T4455]  ipv6_setsockopt+0x7f/0xe0
[ 1258.847867][ T4455]  rawv6_setsockopt+0xb7/0x550
[ 1258.848045][ T4455]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1258.848221][ T4455]  ? __lock_acquire+0xb3f/0x1580
[ 1258.848400][ T4455]  ? kfree+0x2d/0x340
[ 1258.848538][ T4455]  do_sock_setsockopt+0x149/0x3a0
[ 1258.848712][ T4455]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1258.848885][ T4455]  ? __lock_release+0x103/0x460
[ 1258.849056][ T4455]  ? fd_install+0x1d1/0x5a0
[ 1258.849233][ T4455]  ? trace_lock_acquire+0x14d/0x1f0
[ 1258.849407][ T4455]  ? fdget+0x52/0x1e0
[ 1258.849546][ T4455]  __sys_setsockopt+0x104/0x1a0
[ 1258.849721][ T4455]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1258.849893][ T4455]  ? __sys_socket+0x168/0x1e0
[ 1258.850075][ T4455]  ? __pfx___sys_socket+0x10/0x10
[ 1258.850247][ T4455]  ? do_user_addr_fault+0x374/0xe30
[ 1258.850427][ T4455]  __x64_sys_setsockopt+0xbd/0x160
[ 1258.850600][ T4455]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1258.850813][ T4455]  do_syscall_64+0xc1/0x1d0
[ 1258.850995][ T4455]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1258.851209][ T4455] RIP: 0033:0x7f909595691e
[ 1258.851387][ T4455] 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
[ 1258.851982][ T4455] RSP: 002b:00007ffc9de0e598 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1258.852248][ T4455] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f909595691e
[ 1258.852513][ T4455] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1258.852772][ T4455] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000025f06010
[ 1258.853026][ T4455] R10: 00007ffc9de0e5bc R11: 0000000000000246 R12: 0000000000000000
[ 1258.853287][ T4455] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9095a5b000
[ 1258.853566][ T4455]  </TASK>
[ 1258.857258][ T4455] veth0: entered allmulticast mode
[ 1258.857773][ T4455] veth1: entered allmulticast mode
[ 1258.858105][ T4455] veth2: entered allmulticast mode
[ 1258.858473][ T4455] veth3: entered allmulticast mode
[ 1258.858807][ T4455] veth4: entered allmulticast mode
[ 1258.859128][ T4455] veth5: entered allmulticast mode
[ 1269.568313][ T4541] GACT probability NOT on
[ 1286.572079][ T4455] veth0: left allmulticast mode
[ 1286.572543][ T4455] veth1: left allmulticast mode
[ 1286.572788][ T4455] veth2: left allmulticast mode
[ 1286.573119][ T4455] veth3: left allmulticast mode
[ 1286.573757][ T4455] veth4: left allmulticast mode
[ 1286.574010][ T4455] veth5: left allmulticast mode