[ 1335.633517][ T9498] [ 1335.634380][ T9498] ============================= [ 1335.634593][ T9498] WARNING: suspicious RCU usage [ 1335.634773][ T9498] 6.12.0-rc6-virtme #1 Not tainted [ 1335.634947][ T9498] ----------------------------- [ 1335.635119][ T9498] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1335.635383][ T9498] [ 1335.635383][ T9498] other info that might help us debug this: [ 1335.635383][ T9498] [ 1335.635740][ T9498] [ 1335.635740][ T9498] rcu_scheduler_active = 2, debug_locks = 1 [ 1335.635990][ T9498] no locks held by smcrouted/9498. [ 1335.636187][ T9498] [ 1335.636187][ T9498] stack backtrace: [ 1335.636419][ T9498] CPU: 2 UID: 0 PID: 9498 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1335.636711][ T9498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1335.636909][ T9498] Call Trace: [ 1335.637034][ T9498] <TASK> [ 1335.637123][ T9498] dump_stack_lvl+0xb0/0xd0 [ 1335.637318][ T9498] lockdep_rcu_suspicious+0x1ea/0x280 [ 1335.637484][ T9498] ip6mr_get_table+0x142/0x190 [ 1335.637650][ T9498] ip6_mroute_setsockopt+0x185/0x12d0 [ 1335.637813][ T9498] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1335.638024][ T9498] ? __lock_release+0x103/0x460 [ 1335.638188][ T9498] ? __might_fault+0x11b/0x170 [ 1335.638369][ T9498] ? trace_lock_acquire+0x14d/0x1f0 [ 1335.638540][ T9498] ? __might_fault+0xc3/0x170 [ 1335.638695][ T9498] ? lock_acquire+0x32/0xc0 [ 1335.638858][ T9498] ? __might_fault+0xc3/0x170 [ 1335.639021][ T9498] ? __might_fault+0x11b/0x170 [ 1335.639190][ T9498] do_ipv6_setsockopt+0x705/0x34e0 [ 1335.639362][ T9498] ? __lock_release+0xe0/0x460 [ 1335.639525][ T9498] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1335.639680][ T9498] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1335.639846][ T9498] ? rcu_read_lock_any_held+0x43/0xb0 [ 1335.640005][ T9498] ? validate_chain+0x1fe/0xae0 [ 1335.640174][ T9498] ? is_bpf_text_address+0x67/0x120 [ 1335.640351][ T9498] ? __pfx_validate_chain+0x10/0x10 [ 1335.640509][ T9498] ? hlock_class+0x4e/0x130 [ 1335.640668][ T9498] ? mark_lock+0x38/0x3e0 [ 1335.640797][ T9498] ? __lock_acquire+0xb3f/0x1580 [ 1335.640972][ T9498] ? find_held_lock+0x2c/0x110 [ 1335.641150][ T9498] ? ipv6_setsockopt+0x7f/0xe0 [ 1335.641320][ T9498] ipv6_setsockopt+0x7f/0xe0 [ 1335.641486][ T9498] rawv6_setsockopt+0xb7/0x550 [ 1335.641657][ T9498] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1335.641814][ T9498] ? __lock_acquire+0xb3f/0x1580 [ 1335.641977][ T9498] ? kfree+0x2d/0x340 [ 1335.642106][ T9498] do_sock_setsockopt+0x149/0x3a0 [ 1335.642282][ T9498] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1335.642442][ T9498] ? __lock_release+0x103/0x460 [ 1335.642608][ T9498] ? fd_install+0x1d1/0x5a0 [ 1335.642772][ T9498] ? trace_lock_acquire+0x14d/0x1f0 [ 1335.642929][ T9498] ? fdget+0x52/0x1e0 [ 1335.643058][ T9498] __sys_setsockopt+0x104/0x1a0 [ 1335.643222][ T9498] ? __pfx___sys_setsockopt+0x10/0x10 [ 1335.643391][ T9498] ? __sys_socket+0x168/0x1e0 [ 1335.643551][ T9498] ? __pfx___sys_socket+0x10/0x10 [ 1335.643715][ T9498] ? do_user_addr_fault+0x374/0xe30 [ 1335.643884][ T9498] __x64_sys_setsockopt+0xbd/0x160 [ 1335.644044][ T9498] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1335.644245][ T9498] do_syscall_64+0xc1/0x1d0 [ 1335.644515][ T9498] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1335.644929][ T9498] RIP: 0033:0x7f32bdc7e91e [ 1335.645097][ T9498] 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 [ 1335.645666][ T9498] RSP: 002b:00007ffd05735f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1335.645910][ T9498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32bdc7e91e [ 1335.646157][ T9498] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1335.646391][ T9498] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1335.646636][ T9498] R10: 00007ffd05735f8c R11: 0000000000000246 R12: 0000000000000000 [ 1335.646959][ T9498] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f32bdd83000 [ 1335.647207][ T9498] </TASK> [ 1335.651589][ T9498] veth0: entered allmulticast mode [ 1335.652229][ T9498] veth1: entered allmulticast mode [ 1335.652674][ T9498] veth2: entered allmulticast mode [ 1335.653034][ T9498] veth3: entered allmulticast mode [ 1335.653403][ T9498] veth4: entered allmulticast mode [ 1335.655064][ T9498] veth5: entered allmulticast mode [ 1361.392638][ T9498] veth0: left allmulticast mode [ 1361.392951][ T9498] veth1: left allmulticast mode [ 1361.393185][ T9498] veth2: left allmulticast mode [ 1361.393423][ T9498] veth3: left allmulticast mode [ 1361.394257][ T9498] veth4: left allmulticast mode [ 1361.394502][ T9498] veth5: left allmulticast mode