[ 1310.806050][ T8204] 
[ 1310.806185][ T8204] =============================
[ 1310.806351][ T8204] WARNING: suspicious RCU usage
[ 1310.806523][ T8204] 6.12.0-rc7-virtme #1 Not tainted
[ 1310.806688][ T8204] -----------------------------
[ 1310.806857][ T8204] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1310.807090][ T8204] 
[ 1310.807090][ T8204] other info that might help us debug this:
[ 1310.807090][ T8204] 
[ 1310.807397][ T8204] 
[ 1310.807397][ T8204] rcu_scheduler_active = 2, debug_locks = 1
[ 1310.807643][ T8204] no locks held by smcrouted/8204.
[ 1310.807798][ T8204] 
[ 1310.807798][ T8204] stack backtrace:
[ 1310.807993][ T8204] CPU: 0 UID: 0 PID: 8204 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1310.808267][ T8204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1310.808520][ T8204] Call Trace:
[ 1310.808645][ T8204]  <TASK>
[ 1310.808729][ T8204]  dump_stack_lvl+0xb0/0xd0
[ 1310.808900][ T8204]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1310.809063][ T8204]  ip6mr_get_table+0x142/0x190
[ 1310.809220][ T8204]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1310.809385][ T8204]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1310.809588][ T8204]  ? __lock_release+0x103/0x460
[ 1310.809749][ T8204]  ? __might_fault+0x11b/0x170
[ 1310.809910][ T8204]  ? trace_lock_acquire+0x14d/0x1f0
[ 1310.810079][ T8204]  ? __might_fault+0xc3/0x170
[ 1310.810233][ T8204]  ? lock_acquire+0x32/0xc0
[ 1310.810391][ T8204]  ? __might_fault+0xc3/0x170
[ 1310.810554][ T8204]  ? __might_fault+0x11b/0x170
[ 1310.810717][ T8204]  do_ipv6_setsockopt+0x705/0x34e0
[ 1310.810874][ T8204]  ? __lock_release+0x40/0x460
[ 1310.811032][ T8204]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1310.811188][ T8204]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1310.811368][ T8204]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1310.811525][ T8204]  ? validate_chain+0x1fe/0xae0
[ 1310.811679][ T8204]  ? is_bpf_text_address+0x67/0x120
[ 1310.811844][ T8204]  ? __pfx_validate_chain+0x10/0x10
[ 1310.811998][ T8204]  ? hlock_class+0x4e/0x130
[ 1310.812160][ T8204]  ? mark_lock+0x38/0x3e0
[ 1310.812287][ T8204]  ? __lock_acquire+0xb3f/0x1580
[ 1310.812471][ T8204]  ? find_held_lock+0x2c/0x110
[ 1310.812636][ T8204]  ? ipv6_setsockopt+0x7f/0xe0
[ 1310.812792][ T8204]  ipv6_setsockopt+0x7f/0xe0
[ 1310.812947][ T8204]  rawv6_setsockopt+0xb7/0x550
[ 1310.813108][ T8204]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1310.813269][ T8204]  ? __lock_acquire+0xb3f/0x1580
[ 1310.813430][ T8204]  ? kfree+0x2d/0x340
[ 1310.813558][ T8204]  do_sock_setsockopt+0x149/0x3a0
[ 1310.813715][ T8204]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1310.813872][ T8204]  ? __lock_release+0x103/0x460
[ 1310.814026][ T8204]  ? fd_install+0x1d1/0x5a0
[ 1310.814186][ T8204]  ? trace_lock_acquire+0x14d/0x1f0
[ 1310.814351][ T8204]  ? fdget+0x52/0x1e0
[ 1310.814477][ T8204]  __sys_setsockopt+0x104/0x1a0
[ 1310.814638][ T8204]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1310.814796][ T8204]  ? __sys_socket+0x168/0x1e0
[ 1310.814952][ T8204]  ? __pfx___sys_socket+0x10/0x10
[ 1310.815121][ T8204]  ? do_user_addr_fault+0x374/0xe30
[ 1310.815280][ T8204]  __x64_sys_setsockopt+0xbd/0x160
[ 1310.815447][ T8204]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1310.815658][ T8204]  do_syscall_64+0xc1/0x1d0
[ 1310.815833][ T8204]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1310.816044][ T8204] RIP: 0033:0x7fa82240591e
[ 1310.816223][ T8204] 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
[ 1310.816819][ T8204] RSP: 002b:00007ffcb4abddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1310.817084][ T8204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa82240591e
[ 1310.817342][ T8204] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1310.817595][ T8204] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1310.817849][ T8204] R10: 00007ffcb4abdddc R11: 0000000000000246 R12: 0000000000000000
[ 1310.818112][ T8204] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa82250a000
[ 1310.818379][ T8204]  </TASK>
[ 1310.820908][ T8204] veth0: entered allmulticast mode
[ 1310.821441][ T8204] veth1: entered allmulticast mode
[ 1310.821790][ T8204] veth2: entered allmulticast mode
[ 1310.822110][ T8204] veth3: entered allmulticast mode
[ 1310.822434][ T8204] veth4: entered allmulticast mode
[ 1310.822753][ T8204] veth5: entered allmulticast mode
[ 1335.747350][ T8204] veth0: left allmulticast mode
[ 1335.747739][ T8204] veth1: left allmulticast mode
[ 1335.748002][ T8204] veth2: left allmulticast mode
[ 1335.748268][ T8204] veth3: left allmulticast mode
[ 1335.748543][ T8204] veth4: left allmulticast mode
[ 1335.755126][ T8204] veth5: left allmulticast mode