[ 1302.792580][ T9963] [ 1302.792727][ T9963] ============================= [ 1302.792893][ T9963] WARNING: suspicious RCU usage [ 1302.793065][ T9963] 6.12.0-rc7-virtme #1 Not tainted [ 1302.793224][ T9963] ----------------------------- [ 1302.793383][ T9963] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1302.794498][ T9963] [ 1302.794498][ T9963] other info that might help us debug this: [ 1302.794498][ T9963] [ 1302.794804][ T9963] [ 1302.794804][ T9963] rcu_scheduler_active = 2, debug_locks = 1 [ 1302.795046][ T9963] no locks held by smcrouted/9963. [ 1302.795202][ T9963] [ 1302.795202][ T9963] stack backtrace: [ 1302.795397][ T9963] CPU: 3 UID: 0 PID: 9963 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1302.795688][ T9963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1302.795896][ T9963] Call Trace: [ 1302.796018][ T9963] [ 1302.796104][ T9963] dump_stack_lvl+0xb0/0xd0 [ 1302.796276][ T9963] lockdep_rcu_suspicious+0x1ea/0x280 [ 1302.796478][ T9963] ip6mr_get_table+0x142/0x190 [ 1302.796646][ T9963] ip6_mroute_setsockopt+0x185/0x12d0 [ 1302.796807][ T9963] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1302.797008][ T9963] ? __lock_release+0x103/0x460 [ 1302.797169][ T9963] ? __might_fault+0x11b/0x170 [ 1302.797330][ T9963] ? trace_lock_acquire+0x14d/0x1f0 [ 1302.797506][ T9963] ? __might_fault+0xc3/0x170 [ 1302.797663][ T9963] ? lock_acquire+0x32/0xc0 [ 1302.797816][ T9963] ? __might_fault+0xc3/0x170 [ 1302.797984][ T9963] ? __might_fault+0x11b/0x170 [ 1302.798148][ T9963] do_ipv6_setsockopt+0x705/0x34e0 [ 1302.798318][ T9963] ? __lock_release+0x40/0x460 [ 1302.798486][ T9963] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1302.798643][ T9963] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1302.798810][ T9963] ? rcu_read_lock_any_held+0x43/0xb0 [ 1302.798974][ T9963] ? validate_chain+0x1fe/0xae0 [ 1302.799136][ T9963] ? is_bpf_text_address+0x67/0x120 [ 1302.799312][ T9963] ? __pfx_validate_chain+0x10/0x10 [ 1302.799476][ T9963] ? hlock_class+0x4e/0x130 [ 1302.799638][ T9963] ? mark_lock+0x38/0x3e0 [ 1302.799762][ T9963] ? __lock_acquire+0xb3f/0x1580 [ 1302.799930][ T9963] ? find_held_lock+0x2c/0x110 [ 1302.800098][ T9963] ? ipv6_setsockopt+0x7f/0xe0 [ 1302.800265][ T9963] ipv6_setsockopt+0x7f/0xe0 [ 1302.800461][ T9963] rawv6_setsockopt+0xb7/0x550 [ 1302.800626][ T9963] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1302.800782][ T9963] ? __lock_acquire+0xb3f/0x1580 [ 1302.800948][ T9963] ? kfree+0x2d/0x340 [ 1302.801073][ T9963] do_sock_setsockopt+0x149/0x3a0 [ 1302.801235][ T9963] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1302.801388][ T9963] ? __lock_release+0x103/0x460 [ 1302.801550][ T9963] ? fd_install+0x1d1/0x5a0 [ 1302.801721][ T9963] ? trace_lock_acquire+0x14d/0x1f0 [ 1302.801880][ T9963] ? fdget+0x52/0x1e0 [ 1302.802005][ T9963] __sys_setsockopt+0x104/0x1a0 [ 1302.802168][ T9963] ? __pfx___sys_setsockopt+0x10/0x10 [ 1302.802329][ T9963] ? __sys_socket+0x168/0x1e0 [ 1302.802486][ T9963] ? __pfx___sys_socket+0x10/0x10 [ 1302.802644][ T9963] ? do_user_addr_fault+0x374/0xe30 [ 1302.802814][ T9963] __x64_sys_setsockopt+0xbd/0x160 [ 1302.802990][ T9963] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1302.803182][ T9963] do_syscall_64+0xc1/0x1d0 [ 1302.803344][ T9963] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1302.803542][ T9963] RIP: 0033:0x7fdadf21191e [ 1302.803717][ T9963] 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 [ 1302.804297][ T9963] RSP: 002b:00007ffd58d62f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1302.804571][ T9963] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdadf21191e [ 1302.804810][ T9963] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1302.805049][ T9963] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1302.805287][ T9963] R10: 00007ffd58d62f8c R11: 0000000000000246 R12: 0000000000000000 [ 1302.805530][ T9963] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fdadf316000 [ 1302.805784][ T9963] [ 1302.809380][ T9963] veth0: entered allmulticast mode [ 1302.812098][ T9963] veth1: entered allmulticast mode [ 1302.812466][ T9963] veth2: entered allmulticast mode [ 1302.812801][ T9963] veth3: entered allmulticast mode [ 1302.813126][ T9963] veth4: entered allmulticast mode [ 1302.813565][ T9963] veth5: entered allmulticast mode [ 1328.817848][ T9963] veth0: left allmulticast mode [ 1328.818171][ T9963] veth1: left allmulticast mode [ 1328.818441][ T9963] veth2: left allmulticast mode [ 1328.818710][ T9963] veth3: left allmulticast mode [ 1328.818961][ T9963] veth4: left allmulticast mode [ 1328.819246][ T9963] veth5: left allmulticast mode