[ 1330.429384][ T7778] 
[ 1330.429613][ T7778] =============================
[ 1330.429898][ T7778] WARNING: suspicious RCU usage
[ 1330.430095][ T7778] 6.12.0-rc7-virtme #1 Not tainted
[ 1330.430300][ T7778] -----------------------------
[ 1330.430491][ T7778] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1330.430756][ T7778] 
[ 1330.430756][ T7778] other info that might help us debug this:
[ 1330.430756][ T7778] 
[ 1330.431115][ T7778] 
[ 1330.431115][ T7778] rcu_scheduler_active = 2, debug_locks = 1
[ 1330.431965][ T7778] no locks held by smcrouted/7778.
[ 1330.432160][ T7778] 
[ 1330.432160][ T7778] stack backtrace:
[ 1330.432400][ T7778] CPU: 2 UID: 0 PID: 7778 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1330.432704][ T7778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1330.432914][ T7778] Call Trace:
[ 1330.433051][ T7778]  <TASK>
[ 1330.433141][ T7778]  dump_stack_lvl+0xb0/0xd0
[ 1330.433323][ T7778]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1330.433501][ T7778]  ip6mr_get_table+0x142/0x190
[ 1330.433679][ T7778]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1330.433853][ T7778]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1330.434076][ T7778]  ? __lock_release+0x103/0x460
[ 1330.434245][ T7778]  ? __might_fault+0x11b/0x170
[ 1330.434424][ T7778]  ? trace_lock_acquire+0x14d/0x1f0
[ 1330.434601][ T7778]  ? __might_fault+0xc3/0x170
[ 1330.434772][ T7778]  ? lock_acquire+0x32/0xc0
[ 1330.434942][ T7778]  ? __might_fault+0xc3/0x170
[ 1330.435113][ T7778]  ? __might_fault+0x11b/0x170
[ 1330.435288][ T7778]  do_ipv6_setsockopt+0x705/0x34e0
[ 1330.435469][ T7778]  ? __lock_release+0x10/0x460
[ 1330.435635][ T7778]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1330.435805][ T7778]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1330.435979][ T7778]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1330.436147][ T7778]  ? validate_chain+0x1fe/0xae0
[ 1330.436320][ T7778]  ? is_bpf_text_address+0x67/0x120
[ 1330.436500][ T7778]  ? __pfx_validate_chain+0x10/0x10
[ 1330.436669][ T7778]  ? hlock_class+0x4e/0x130
[ 1330.436849][ T7778]  ? mark_lock+0x38/0x3e0
[ 1330.436982][ T7778]  ? __lock_acquire+0xb3f/0x1580
[ 1330.437162][ T7778]  ? find_held_lock+0x2c/0x110
[ 1330.437338][ T7778]  ? ipv6_setsockopt+0x7f/0xe0
[ 1330.437504][ T7778]  ipv6_setsockopt+0x7f/0xe0
[ 1330.437678][ T7778]  rawv6_setsockopt+0xb7/0x550
[ 1330.437852][ T7778]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1330.438019][ T7778]  ? __lock_acquire+0xb3f/0x1580
[ 1330.438191][ T7778]  ? kfree+0x2d/0x340
[ 1330.438335][ T7778]  do_sock_setsockopt+0x149/0x3a0
[ 1330.438508][ T7778]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1330.438678][ T7778]  ? __lock_release+0x103/0x460
[ 1330.438844][ T7778]  ? fd_install+0x1d1/0x5a0
[ 1330.439020][ T7778]  ? trace_lock_acquire+0x14d/0x1f0
[ 1330.439197][ T7778]  ? fdget+0x52/0x1e0
[ 1330.439330][ T7778]  __sys_setsockopt+0x104/0x1a0
[ 1330.439503][ T7778]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1330.439691][ T7778]  ? __sys_socket+0x168/0x1e0
[ 1330.439868][ T7778]  ? __pfx___sys_socket+0x10/0x10
[ 1330.440037][ T7778]  ? do_user_addr_fault+0x374/0xe30
[ 1330.440209][ T7778]  __x64_sys_setsockopt+0xbd/0x160
[ 1330.440377][ T7778]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1330.440589][ T7778]  do_syscall_64+0xc1/0x1d0
[ 1330.440761][ T7778]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1330.440971][ T7778] RIP: 0033:0x7f9f2ec2391e
[ 1330.441148][ T7778] 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
[ 1330.441739][ T7778] RSP: 002b:00007ffed325d2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1330.441997][ T7778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f2ec2391e
[ 1330.442248][ T7778] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1330.442500][ T7778] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1330.442754][ T7778] R10: 00007ffed325d2ec R11: 0000000000000246 R12: 0000000000000000
[ 1330.443019][ T7778] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9f2ed28000
[ 1330.443282][ T7778]  </TASK>
[ 1330.446849][ T7778] veth0: entered allmulticast mode
[ 1330.447420][ T7778] veth1: entered allmulticast mode
[ 1330.447780][ T7778] veth2: entered allmulticast mode
[ 1330.448125][ T7778] veth3: entered allmulticast mode
[ 1330.449879][ T7778] veth4: entered allmulticast mode
[ 1330.450261][ T7778] veth5: entered allmulticast mode
[ 1356.002483][ T7778] veth0: left allmulticast mode
[ 1356.002862][ T7778] veth1: left allmulticast mode
[ 1356.003098][ T7778] veth2: left allmulticast mode
[ 1356.003353][ T7778] veth3: left allmulticast mode
[ 1356.003588][ T7778] veth4: left allmulticast mode
[ 1356.003838][ T7778] veth5: left allmulticast mode