[ 11.578189][ T279] [ 11.578386][ T279] ============================= [ 11.578614][ T279] WARNING: suspicious RCU usage [ 11.578836][ T279] 6.12.0-rc6-virtme #1 Not tainted [ 11.579064][ T279] ----------------------------- [ 11.579271][ T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.580250][ T279] [ 11.580250][ T279] other info that might help us debug this: [ 11.580250][ T279] [ 11.580633][ T279] [ 11.580633][ T279] rcu_scheduler_active = 2, debug_locks = 1 [ 11.580907][ T279] no locks held by smcrouted/279. [ 11.581108][ T279] [ 11.581108][ T279] stack backtrace: [ 11.581346][ T279] CPU: 2 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 11.581621][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.581884][ T279] Call Trace: [ 11.582066][ T279] [ 11.582203][ T279] dump_stack_lvl+0xb0/0xd0 [ 11.582459][ T279] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.582706][ T279] ip6mr_get_table+0x142/0x190 [ 11.582972][ T279] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.583225][ T279] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.583560][ T279] ? __lock_release+0x103/0x460 [ 11.583822][ T279] ? __might_fault+0x11b/0x170 [ 11.584082][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 11.584355][ T279] ? __might_fault+0xc3/0x170 [ 11.584612][ T279] ? lock_acquire+0x32/0xc0 [ 11.584862][ T279] ? __might_fault+0xc3/0x170 [ 11.585125][ T279] ? __might_fault+0x11b/0x170 [ 11.585392][ T279] do_ipv6_setsockopt+0x705/0x34e0 [ 11.585660][ T279] ? __lock_release+0xe0/0x460 [ 11.585926][ T279] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.586189][ T279] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 11.586461][ T279] ? rcu_read_lock_any_held+0x43/0xb0 [ 11.586726][ T279] ? validate_chain+0x1fe/0xae0 [ 11.587013][ T279] ? is_bpf_text_address+0x67/0x120 [ 11.587267][ T279] ? __pfx_validate_chain+0x10/0x10 [ 11.587520][ T279] ? hlock_class+0x4e/0x130 [ 11.587783][ T279] ? mark_lock+0x38/0x3e0 [ 11.587993][ T279] ? __lock_acquire+0xb3f/0x1580 [ 11.588278][ T279] ? find_held_lock+0x2c/0x110 [ 11.588550][ T279] ? ipv6_setsockopt+0x7f/0xe0 [ 11.588798][ T279] ipv6_setsockopt+0x7f/0xe0 [ 11.589057][ T279] rawv6_setsockopt+0xb7/0x550 [ 11.589301][ T279] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.589578][ T279] ? __lock_acquire+0xb3f/0x1580 [ 11.589845][ T279] ? kfree+0x2d/0x340 [ 11.590048][ T279] do_sock_setsockopt+0x149/0x3a0 [ 11.590309][ T279] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.590579][ T279] ? __lock_release+0x103/0x460 [ 11.590833][ T279] ? fd_install+0x1d1/0x5a0 [ 11.591102][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 11.591370][ T279] ? fdget+0x52/0x1e0 [ 11.591537][ T279] __sys_setsockopt+0x104/0x1a0 [ 11.591738][ T279] ? __pfx___sys_setsockopt+0x10/0x10 [ 11.591933][ T279] ? __sys_socket+0x168/0x1e0 [ 11.592119][ T279] ? __pfx___sys_socket+0x10/0x10 [ 11.592304][ T279] ? do_user_addr_fault+0x374/0xe30 [ 11.592502][ T279] __x64_sys_setsockopt+0xbd/0x160 [ 11.592695][ T279] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.592938][ T279] do_syscall_64+0xc1/0x1d0 [ 11.593136][ T279] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.593366][ T279] RIP: 0033:0x7fa76524191e [ 11.593561][ T279] 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 [ 11.594187][ T279] RSP: 002b:00007fffb5b65da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.594465][ T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa76524191e [ 11.594733][ T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.595035][ T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.595315][ T279] R10: 00007fffb5b65dcc R11: 0000000000000246 R12: 0000000000000000 [ 11.595606][ T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa765346000 [ 11.595918][ T279] [ 11.599513][ T279] veth0: entered allmulticast mode [ 11.600336][ T279] veth1: entered allmulticast mode [ 11.600936][ T279] veth2: entered allmulticast mode [ 11.601565][ T279] veth3: entered allmulticast mode [ 23.107998][ T366] GACT probability NOT on [ 30.345795][ T279] veth0: left allmulticast mode [ 30.346120][ T279] veth1: left allmulticast mode [ 30.346359][ T279] veth2: left allmulticast mode [ 30.346628][ T279] veth3: left allmulticast mode