[ 191.516619][ T1955] [ 191.516762][ T1955] ============================= [ 191.516935][ T1955] WARNING: suspicious RCU usage [ 191.517102][ T1955] 6.12.0-rc7-virtme #1 Not tainted [ 191.517269][ T1955] ----------------------------- [ 191.517434][ T1955] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 191.517679][ T1955] [ 191.517679][ T1955] other info that might help us debug this: [ 191.517679][ T1955] [ 191.517992][ T1955] [ 191.517992][ T1955] rcu_scheduler_active = 2, debug_locks = 1 [ 191.518318][ T1955] no locks held by smcrouted/1955. [ 191.518489][ T1955] [ 191.518489][ T1955] stack backtrace: [ 191.518686][ T1955] CPU: 3 UID: 0 PID: 1955 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 191.518967][ T1955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 191.519176][ T1955] Call Trace: [ 191.519305][ T1955] [ 191.519394][ T1955] dump_stack_lvl+0xb0/0xd0 [ 191.519567][ T1955] lockdep_rcu_suspicious+0x1ea/0x280 [ 191.519738][ T1955] ip6mr_get_table+0x142/0x190 [ 191.519907][ T1955] ip6_mroute_setsockopt+0x185/0x12d0 [ 191.520073][ T1955] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 191.520278][ T1955] ? __lock_release+0x103/0x460 [ 191.520440][ T1955] ? __might_fault+0x11b/0x170 [ 191.520605][ T1955] ? trace_lock_acquire+0x14d/0x1f0 [ 191.520774][ T1955] ? __might_fault+0xc3/0x170 [ 191.520936][ T1955] ? lock_acquire+0x32/0xc0 [ 191.521093][ T1955] ? __might_fault+0xc3/0x170 [ 191.521257][ T1955] ? __might_fault+0x11b/0x170 [ 191.521427][ T1955] do_ipv6_setsockopt+0x705/0x34e0 [ 191.521592][ T1955] ? __lock_release+0x40/0x460 [ 191.521751][ T1955] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 191.521917][ T1955] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 191.522082][ T1955] ? rcu_read_lock_any_held+0x43/0xb0 [ 191.522246][ T1955] ? validate_chain+0x1fe/0xae0 [ 191.522405][ T1955] ? is_bpf_text_address+0x67/0x120 [ 191.522577][ T1955] ? __pfx_validate_chain+0x10/0x10 [ 191.522742][ T1955] ? hlock_class+0x4e/0x130 [ 191.522905][ T1955] ? mark_lock+0x38/0x3e0 [ 191.523040][ T1955] ? __lock_acquire+0xb3f/0x1580 [ 191.523214][ T1955] ? find_held_lock+0x2c/0x110 [ 191.523386][ T1955] ? ipv6_setsockopt+0x7f/0xe0 [ 191.523542][ T1955] ipv6_setsockopt+0x7f/0xe0 [ 191.523705][ T1955] rawv6_setsockopt+0xb7/0x550 [ 191.523872][ T1955] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 191.524040][ T1955] ? __lock_acquire+0xb3f/0x1580 [ 191.524199][ T1955] ? kfree+0x2d/0x340 [ 191.524332][ T1955] do_sock_setsockopt+0x149/0x3a0 [ 191.524498][ T1955] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 191.524656][ T1955] ? __lock_release+0x103/0x460 [ 191.524817][ T1955] ? fd_install+0x1d1/0x5a0 [ 191.524986][ T1955] ? trace_lock_acquire+0x14d/0x1f0 [ 191.525148][ T1955] ? fdget+0x52/0x1e0 [ 191.525274][ T1955] __sys_setsockopt+0x104/0x1a0 [ 191.525442][ T1955] ? __pfx___sys_setsockopt+0x10/0x10 [ 191.525606][ T1955] ? __sys_socket+0x168/0x1e0 [ 191.525770][ T1955] ? __pfx___sys_socket+0x10/0x10 [ 191.525934][ T1955] ? do_user_addr_fault+0x374/0xe30 [ 191.526099][ T1955] __x64_sys_setsockopt+0xbd/0x160 [ 191.526268][ T1955] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 191.526465][ T1955] do_syscall_64+0xc1/0x1d0 [ 191.526638][ T1955] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 191.526852][ T1955] RIP: 0033:0x7ff2b970591e [ 191.527027][ T1955] 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 [ 191.527595][ T1955] RSP: 002b:00007ffcf9504118 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 191.527841][ T1955] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2b970591e [ 191.528081][ T1955] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 191.528324][ T1955] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 191.528574][ T1955] R10: 00007ffcf950413c R11: 0000000000000246 R12: 0000000000000000 [ 191.528820][ T1955] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff2b980a000 [ 191.529099][ T1955] [ 191.532027][ T1955] veth0: entered allmulticast mode [ 191.534323][ T1955] veth1: entered allmulticast mode [ 191.534669][ T1955] veth2: entered allmulticast mode [ 191.535001][ T1955] veth3: entered allmulticast mode [ 191.535339][ T1955] veth4: entered allmulticast mode [ 191.535657][ T1955] veth5: entered allmulticast mode [ 218.416675][ T1955] veth0: left allmulticast mode [ 218.417003][ T1955] veth1: left allmulticast mode [ 218.417265][ T1955] veth2: left allmulticast mode [ 218.417517][ T1955] veth3: left allmulticast mode [ 218.417768][ T1955] veth4: left allmulticast mode [ 218.418011][ T1955] veth5: left allmulticast mode