[   28.110157][  T254] ip (254) used greatest stack depth: 24008 bytes left
[   30.191848][  T284] 
[   30.191976][  T284] =============================
[   30.192143][  T284] WARNING: suspicious RCU usage
[   30.193181][  T284] 6.12.0-rc6-virtme #1 Not tainted
[   30.193370][  T284] -----------------------------
[   30.193540][  T284] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   30.193787][  T284] 
[   30.193787][  T284] other info that might help us debug this:
[   30.193787][  T284] 
[   30.194109][  T284] 
[   30.194109][  T284] rcu_scheduler_active = 2, debug_locks = 1
[   30.194367][  T284] no locks held by smcrouted/284.
[   30.194538][  T284] 
[   30.194538][  T284] stack backtrace:
[   30.194753][  T284] CPU: 1 UID: 0 PID: 284 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[   30.195009][  T284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   30.195398][  T284] Call Trace:
[   30.195531][  T284]  <TASK>
[   30.195619][  T284]  dump_stack_lvl+0xb0/0xd0
[   30.195797][  T284]  lockdep_rcu_suspicious+0x1ea/0x280
[   30.195969][  T284]  ip6mr_get_table+0x142/0x190
[   30.196142][  T284]  ip6_mroute_setsockopt+0x185/0x12d0
[   30.196313][  T284]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   30.196525][  T284]  ? __lock_release+0x103/0x460
[   30.196691][  T284]  ? __might_fault+0x11b/0x170
[   30.196862][  T284]  ? trace_lock_acquire+0x14d/0x1f0
[   30.197038][  T284]  ? __might_fault+0xc3/0x170
[   30.197204][  T284]  ? lock_acquire+0x32/0xc0
[   30.197371][  T284]  ? __might_fault+0xc3/0x170
[   30.197541][  T284]  ? __might_fault+0x11b/0x170
[   30.197714][  T284]  do_ipv6_setsockopt+0x705/0x34e0
[   30.197886][  T284]  ? __lock_release+0xe0/0x460
[   30.198058][  T284]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   30.198225][  T284]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   30.198394][  T284]  ? rcu_read_lock_any_held+0x43/0xb0
[   30.198562][  T284]  ? validate_chain+0x1fe/0xae0
[   30.198730][  T284]  ? is_bpf_text_address+0x67/0x120
[   30.198916][  T284]  ? __pfx_validate_chain+0x10/0x10
[   30.199085][  T284]  ? hlock_class+0x4e/0x130
[   30.199256][  T284]  ? mark_lock+0x38/0x3e0
[   30.199388][  T284]  ? __lock_acquire+0xb3f/0x1580
[   30.199564][  T284]  ? find_held_lock+0x2c/0x110
[   30.199745][  T284]  ? ipv6_setsockopt+0x7f/0xe0
[   30.199910][  T284]  ipv6_setsockopt+0x7f/0xe0
[   30.200078][  T284]  rawv6_setsockopt+0xb7/0x550
[   30.200244][  T284]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   30.200415][  T284]  ? __lock_acquire+0xb3f/0x1580
[   30.200586][  T284]  ? kfree+0x2d/0x340
[   30.200717][  T284]  do_sock_setsockopt+0x149/0x3a0
[   30.200886][  T284]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   30.201063][  T284]  ? __lock_release+0x103/0x460
[   30.201236][  T284]  ? fd_install+0x1d1/0x5a0
[   30.201412][  T284]  ? trace_lock_acquire+0x14d/0x1f0
[   30.201582][  T284]  ? fdget+0x52/0x1e0
[   30.201714][  T284]  __sys_setsockopt+0x104/0x1a0
[   30.201895][  T284]  ? __pfx___sys_setsockopt+0x10/0x10
[   30.202065][  T284]  ? __sys_socket+0x168/0x1e0
[   30.202235][  T284]  ? __pfx___sys_socket+0x10/0x10
[   30.202411][  T284]  __x64_sys_setsockopt+0xbd/0x160
[   30.202585][  T284]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   30.202796][  T284]  do_syscall_64+0xc1/0x1d0
[   30.202966][  T284]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   30.203179][  T284] RIP: 0033:0x7f4fba2f691e
[   30.203375][  T284] 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
[   30.203957][  T284] RSP: 002b:00007ffe66d406e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   30.204215][  T284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fba2f691e
[   30.204475][  T284] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   30.204722][  T284] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   30.204979][  T284] R10: 00007ffe66d4070c R11: 0000000000000246 R12: 0000000000000000
[   30.205245][  T284] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f4fba3fb000
[   30.205523][  T284]  </TASK>
[   30.211656][  T284] veth0: entered allmulticast mode
[   30.212299][  T284] veth1: entered allmulticast mode
[   30.213859][  T284] veth2: entered allmulticast mode
[   30.215005][  T284] veth3: entered allmulticast mode
[   46.722914][  T371] GACT probability NOT on
[   46.765060][  T369] tc (369) used greatest stack depth: 23336 bytes left
[   60.133486][  T284] veth0: left allmulticast mode
[   60.133770][  T284] veth1: left allmulticast mode
[   60.134012][  T284] veth2: left allmulticast mode
[   60.134226][  T284] veth3: left allmulticast mode