[ 1920.576847][ T8236] 
[ 1920.576992][ T8236] =============================
[ 1920.577155][ T8236] WARNING: suspicious RCU usage
[ 1920.577337][ T8236] 6.12.0-rc6-virtme #1 Not tainted
[ 1920.577493][ T8236] -----------------------------
[ 1920.577654][ T8236] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1920.577882][ T8236] 
[ 1920.577882][ T8236] other info that might help us debug this:
[ 1920.577882][ T8236] 
[ 1920.578200][ T8236] 
[ 1920.578200][ T8236] rcu_scheduler_active = 2, debug_locks = 1
[ 1920.579222][ T8236] no locks held by smcrouted/8236.
[ 1920.579500][ T8236] 
[ 1920.579500][ T8236] stack backtrace:
[ 1920.579841][ T8236] CPU: 3 UID: 0 PID: 8236 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1920.580106][ T8236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1920.580444][ T8236] Call Trace:
[ 1920.580565][ T8236]  <TASK>
[ 1920.580648][ T8236]  dump_stack_lvl+0xb0/0xd0
[ 1920.580815][ T8236]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1920.580979][ T8236]  ip6mr_get_table+0x142/0x190
[ 1920.581147][ T8236]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1920.581306][ T8236]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1920.581501][ T8236]  ? __lock_release+0x103/0x460
[ 1920.581653][ T8236]  ? __might_fault+0x11b/0x170
[ 1920.581805][ T8236]  ? trace_lock_acquire+0x14d/0x1f0
[ 1920.581961][ T8236]  ? __might_fault+0xc3/0x170
[ 1920.582114][ T8236]  ? lock_acquire+0x32/0xc0
[ 1920.582266][ T8236]  ? __might_fault+0xc3/0x170
[ 1920.582417][ T8236]  ? __might_fault+0x11b/0x170
[ 1920.582572][ T8236]  do_ipv6_setsockopt+0x705/0x34e0
[ 1920.582724][ T8236]  ? __lock_release+0xe0/0x460
[ 1920.582877][ T8236]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1920.583035][ T8236]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1920.583188][ T8236]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1920.583339][ T8236]  ? validate_chain+0x1fe/0xae0
[ 1920.583489][ T8236]  ? is_bpf_text_address+0x67/0x120
[ 1920.583650][ T8236]  ? __pfx_validate_chain+0x10/0x10
[ 1920.583800][ T8236]  ? hlock_class+0x4e/0x130
[ 1920.583950][ T8236]  ? mark_lock+0x38/0x3e0
[ 1920.584076][ T8236]  ? __lock_acquire+0xb3f/0x1580
[ 1920.584240][ T8236]  ? find_held_lock+0x2c/0x110
[ 1920.584407][ T8236]  ? ipv6_setsockopt+0x7f/0xe0
[ 1920.584557][ T8236]  ipv6_setsockopt+0x7f/0xe0
[ 1920.584710][ T8236]  rawv6_setsockopt+0xb7/0x550
[ 1920.584861][ T8236]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1920.585014][ T8236]  ? __lock_acquire+0xb3f/0x1580
[ 1920.585170][ T8236]  ? kfree+0x2d/0x340
[ 1920.585291][ T8236]  do_sock_setsockopt+0x149/0x3a0
[ 1920.585442][ T8236]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1920.585593][ T8236]  ? __lock_release+0x103/0x460
[ 1920.585745][ T8236]  ? fd_install+0x1d1/0x5a0
[ 1920.585905][ T8236]  ? trace_lock_acquire+0x14d/0x1f0
[ 1920.586061][ T8236]  ? fdget+0x52/0x1e0
[ 1920.586179][ T8236]  __sys_setsockopt+0x104/0x1a0
[ 1920.586332][ T8236]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1920.586482][ T8236]  ? __sys_socket+0x168/0x1e0
[ 1920.586633][ T8236]  ? __pfx___sys_socket+0x10/0x10
[ 1920.586792][ T8236]  __x64_sys_setsockopt+0xbd/0x160
[ 1920.586944][ T8236]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1920.587132][ T8236]  do_syscall_64+0xc1/0x1d0
[ 1920.587286][ T8236]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1920.587485][ T8236] RIP: 0033:0x7fd78796691e
[ 1920.587649][ T8236] 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
[ 1920.588205][ T8236] RSP: 002b:00007ffcc24d2628 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1920.588436][ T8236] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd78796691e
[ 1920.588670][ T8236] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1920.588914][ T8236] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1920.589152][ T8236] R10: 00007ffcc24d264c R11: 0000000000000246 R12: 0000000000000000
[ 1920.589374][ T8236] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd787a6b000
[ 1920.589620][ T8236]  </TASK>
[ 1920.601679][ T8236] veth0: entered allmulticast mode
[ 1920.602320][ T8236] veth1: entered allmulticast mode
[ 1920.602648][ T8236] veth2: entered allmulticast mode
[ 1920.602966][ T8236] veth3: entered allmulticast mode
[ 1950.319713][ T8236] veth0: left allmulticast mode
[ 1950.320016][ T8236] veth1: left allmulticast mode
[ 1950.320251][ T8236] veth2: left allmulticast mode
[ 1950.320507][ T8236] veth3: left allmulticast mode