[ 1258.496294][T17344] 
[ 1258.496525][T17344] =============================
[ 1258.496797][T17344] WARNING: suspicious RCU usage
[ 1258.497272][T17344] 6.12.0-rc6-virtme #1 Not tainted
[ 1258.497551][T17344] -----------------------------
[ 1258.497874][T17344] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1258.498281][T17344] 
[ 1258.498281][T17344] other info that might help us debug this:
[ 1258.498281][T17344] 
[ 1258.498791][T17344] 
[ 1258.498791][T17344] rcu_scheduler_active = 2, debug_locks = 1
[ 1258.499194][T17344] no locks held by smcrouted/17344.
[ 1258.499483][T17344] 
[ 1258.499483][T17344] stack backtrace:
[ 1258.499815][T17344] CPU: 2 UID: 0 PID: 17344 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1258.500268][T17344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1258.500589][T17344] Call Trace:
[ 1258.500764][T17344]  <TASK>
[ 1258.500853][T17344]  dump_stack_lvl+0xb0/0xd0
[ 1258.501026][T17344]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1258.501271][T17344]  ip6mr_get_table+0x142/0x190
[ 1258.501448][T17344]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1258.501606][T17344]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1258.501808][T17344]  ? __lock_release+0x103/0x460
[ 1258.501961][T17344]  ? __might_fault+0x11b/0x170
[ 1258.502134][T17344]  ? trace_lock_acquire+0x14d/0x1f0
[ 1258.502295][T17344]  ? __might_fault+0xc3/0x170
[ 1258.502449][T17344]  ? lock_acquire+0x32/0xc0
[ 1258.502605][T17344]  ? __might_fault+0xc3/0x170
[ 1258.502761][T17344]  ? __might_fault+0x11b/0x170
[ 1258.502920][T17344]  do_ipv6_setsockopt+0x705/0x34e0
[ 1258.503118][T17344]  ? __lock_release+0xe0/0x460
[ 1258.503288][T17344]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1258.503438][T17344]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1258.503594][T17344]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1258.503754][T17344]  ? validate_chain+0x1fe/0xae0
[ 1258.503907][T17344]  ? is_bpf_text_address+0x67/0x120
[ 1258.504082][T17344]  ? __pfx_validate_chain+0x10/0x10
[ 1258.504241][T17344]  ? hlock_class+0x4e/0x130
[ 1258.504394][T17344]  ? mark_lock+0x38/0x3e0
[ 1258.504518][T17344]  ? __lock_acquire+0xb3f/0x1580
[ 1258.504680][T17344]  ? find_held_lock+0x2c/0x110
[ 1258.504841][T17344]  ? ipv6_setsockopt+0x7f/0xe0
[ 1258.504997][T17344]  ipv6_setsockopt+0x7f/0xe0
[ 1258.505170][T17344]  rawv6_setsockopt+0xb7/0x550
[ 1258.505330][T17344]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1258.505490][T17344]  ? __lock_acquire+0xb3f/0x1580
[ 1258.505645][T17344]  ? kfree+0x2d/0x340
[ 1258.505769][T17344]  do_sock_setsockopt+0x149/0x3a0
[ 1258.505932][T17344]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1258.506097][T17344]  ? __lock_release+0x103/0x460
[ 1258.506249][T17344]  ? fd_install+0x1d1/0x5a0
[ 1258.506412][T17344]  ? trace_lock_acquire+0x14d/0x1f0
[ 1258.506573][T17344]  ? fdget+0x52/0x1e0
[ 1258.506694][T17344]  __sys_setsockopt+0x104/0x1a0
[ 1258.506853][T17344]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1258.507012][T17344]  ? __sys_socket+0x168/0x1e0
[ 1258.507256][T17344]  ? __pfx___sys_socket+0x10/0x10
[ 1258.507510][T17344]  ? do_user_addr_fault+0x374/0xe30
[ 1258.507773][T17344]  __x64_sys_setsockopt+0xbd/0x160
[ 1258.507956][T17344]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1258.508174][T17344]  do_syscall_64+0xc1/0x1d0
[ 1258.508334][T17344]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1258.508528][T17344] RIP: 0033:0x7f87dfbff91e
[ 1258.508695][T17344] 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
[ 1258.509258][T17344] RSP: 002b:00007ffc46bc55c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1258.509511][T17344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87dfbff91e
[ 1258.509744][T17344] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1258.509977][T17344] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1258.510221][T17344] R10: 00007ffc46bc55ec R11: 0000000000000246 R12: 0000000000000000
[ 1258.510451][T17344] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f87dfd04000
[ 1258.510689][T17344]  </TASK>
[ 1258.516066][T17344] veth0: entered allmulticast mode
[ 1258.516696][T17344] veth1: entered allmulticast mode
[ 1258.517153][T17344] veth2: entered allmulticast mode
[ 1258.517618][T17344] veth3: entered allmulticast mode
[ 1258.518085][T17344] veth4: entered allmulticast mode
[ 1258.518532][T17344] veth5: entered allmulticast mode
[ 1269.579821][T17431] GACT probability NOT on
[ 1285.738654][T17344] veth0: left allmulticast mode
[ 1285.738989][T17344] veth1: left allmulticast mode
[ 1285.740212][T17344] veth2: left allmulticast mode
[ 1285.740661][T17344] veth3: left allmulticast mode
[ 1285.741105][T17344] veth4: left allmulticast mode
[ 1285.741514][T17344] veth5: left allmulticast mode