[ 1255.517942][T17344] [ 1255.518154][T17344] ============================= [ 1255.518360][T17344] WARNING: suspicious RCU usage [ 1255.518583][T17344] 6.12.0-rc7-virtme #1 Not tainted [ 1255.518784][T17344] ----------------------------- [ 1255.518978][T17344] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1255.519256][T17344] [ 1255.519256][T17344] other info that might help us debug this: [ 1255.519256][T17344] [ 1255.519630][T17344] [ 1255.519630][T17344] rcu_scheduler_active = 2, debug_locks = 1 [ 1255.519989][T17344] no locks held by smcrouted/17344. [ 1255.520183][T17344] [ 1255.520183][T17344] stack backtrace: [ 1255.520417][T17344] CPU: 2 UID: 0 PID: 17344 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1255.520734][T17344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1255.520964][T17344] Call Trace: [ 1255.521106][T17344] [ 1255.521202][T17344] dump_stack_lvl+0xb0/0xd0 [ 1255.521386][T17344] lockdep_rcu_suspicious+0x1ea/0x280 [ 1255.521561][T17344] ip6mr_get_table+0x142/0x190 [ 1255.521736][T17344] ip6_mroute_setsockopt+0x185/0x12d0 [ 1255.521923][T17344] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1255.522147][T17344] ? __lock_release+0x103/0x460 [ 1255.522319][T17344] ? __might_fault+0x11b/0x170 [ 1255.522502][T17344] ? trace_lock_acquire+0x14d/0x1f0 [ 1255.522679][T17344] ? __might_fault+0xc3/0x170 [ 1255.522851][T17344] ? lock_acquire+0x32/0xc0 [ 1255.523023][T17344] ? __might_fault+0xc3/0x170 [ 1255.523196][T17344] ? __might_fault+0x11b/0x170 [ 1255.523378][T17344] do_ipv6_setsockopt+0x705/0x34e0 [ 1255.523560][T17344] ? __lock_release+0x40/0x460 [ 1255.523731][T17344] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1255.523898][T17344] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1255.524075][T17344] ? rcu_read_lock_any_held+0x43/0xb0 [ 1255.524254][T17344] ? validate_chain+0x1fe/0xae0 [ 1255.524423][T17344] ? is_bpf_text_address+0x67/0x120 [ 1255.524604][T17344] ? __pfx_validate_chain+0x10/0x10 [ 1255.524780][T17344] ? hlock_class+0x4e/0x130 [ 1255.524953][T17344] ? mark_lock+0x38/0x3e0 [ 1255.525090][T17344] ? __lock_acquire+0xb3f/0x1580 [ 1255.525273][T17344] ? find_held_lock+0x2c/0x110 [ 1255.525454][T17344] ? ipv6_setsockopt+0x7f/0xe0 [ 1255.525631][T17344] ipv6_setsockopt+0x7f/0xe0 [ 1255.525806][T17344] rawv6_setsockopt+0xb7/0x550 [ 1255.525983][T17344] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1255.526151][T17344] ? __lock_acquire+0xb3f/0x1580 [ 1255.526329][T17344] ? kfree+0x2d/0x340 [ 1255.526469][T17344] do_sock_setsockopt+0x149/0x3a0 [ 1255.526641][T17344] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1255.526809][T17344] ? __lock_release+0x103/0x460 [ 1255.526982][T17344] ? fd_install+0x1d1/0x5a0 [ 1255.527159][T17344] ? trace_lock_acquire+0x14d/0x1f0 [ 1255.527333][T17344] ? fdget+0x52/0x1e0 [ 1255.527470][T17344] __sys_setsockopt+0x104/0x1a0 [ 1255.527647][T17344] ? __pfx___sys_setsockopt+0x10/0x10 [ 1255.527818][T17344] ? __sys_socket+0x168/0x1e0 [ 1255.527997][T17344] ? __pfx___sys_socket+0x10/0x10 [ 1255.528169][T17344] ? do_user_addr_fault+0x374/0xe30 [ 1255.528346][T17344] __x64_sys_setsockopt+0xbd/0x160 [ 1255.528519][T17344] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1255.528729][T17344] do_syscall_64+0xc1/0x1d0 [ 1255.528902][T17344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1255.529123][T17344] RIP: 0033:0x7f5d3636391e [ 1255.529307][T17344] 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 [ 1255.529968][T17344] RSP: 002b:00007fff2a7fb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1255.530230][T17344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d3636391e [ 1255.530487][T17344] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1255.530753][T17344] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1255.531005][T17344] R10: 00007fff2a7fb0ac R11: 0000000000000246 R12: 0000000000000000 [ 1255.531261][T17344] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f5d36468000 [ 1255.531533][T17344] [ 1255.534696][T17344] veth0: entered allmulticast mode [ 1255.535417][T17344] veth1: entered allmulticast mode [ 1255.535813][T17344] veth2: entered allmulticast mode [ 1255.536186][T17344] veth3: entered allmulticast mode [ 1255.536558][T17344] veth4: entered allmulticast mode [ 1255.536916][T17344] veth5: entered allmulticast mode [ 1266.670547][T17431] GACT probability NOT on [ 1283.336204][T17344] veth0: left allmulticast mode [ 1283.336600][T17344] veth1: left allmulticast mode [ 1283.336988][T17344] veth2: left allmulticast mode [ 1283.337416][T17344] veth3: left allmulticast mode [ 1283.343604][T17344] veth4: left allmulticast mode [ 1283.344080][T17344] veth5: left allmulticast mode