[ 1325.505119][T14020] [ 1325.505261][T14020] ============================= [ 1325.505430][T14020] WARNING: suspicious RCU usage [ 1325.505606][T14020] 6.12.0-rc7-virtme #1 Not tainted [ 1325.505768][T14020] ----------------------------- [ 1325.505927][T14020] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1325.506164][T14020] [ 1325.506164][T14020] other info that might help us debug this: [ 1325.506164][T14020] [ 1325.506472][T14020] [ 1325.506472][T14020] rcu_scheduler_active = 2, debug_locks = 1 [ 1325.506711][T14020] no locks held by smcrouted/14020. [ 1325.506872][T14020] [ 1325.506872][T14020] stack backtrace: [ 1325.507066][T14020] CPU: 3 UID: 0 PID: 14020 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1325.507361][T14020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1325.507569][T14020] Call Trace: [ 1325.507702][T14020] [ 1325.507791][T14020] dump_stack_lvl+0xb0/0xd0 [ 1325.507962][T14020] lockdep_rcu_suspicious+0x1ea/0x280 [ 1325.508125][T14020] ip6mr_get_table+0x142/0x190 [ 1325.508292][T14020] ip6_mroute_setsockopt+0x185/0x12d0 [ 1325.508460][T14020] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1325.508670][T14020] ? __lock_release+0x103/0x460 [ 1325.508831][T14020] ? __might_fault+0x11b/0x170 [ 1325.508998][T14020] ? trace_lock_acquire+0x14d/0x1f0 [ 1325.509172][T14020] ? __might_fault+0xc3/0x170 [ 1325.509340][T14020] ? lock_acquire+0x32/0xc0 [ 1325.509501][T14020] ? __might_fault+0xc3/0x170 [ 1325.509667][T14020] ? __might_fault+0x11b/0x170 [ 1325.509839][T14020] do_ipv6_setsockopt+0x705/0x34e0 [ 1325.510000][T14020] ? __lock_release+0x10/0x460 [ 1325.510170][T14020] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1325.510333][T14020] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1325.510498][T14020] ? rcu_read_lock_any_held+0x43/0xb0 [ 1325.510657][T14020] ? validate_chain+0x1fe/0xae0 [ 1325.510819][T14020] ? is_bpf_text_address+0x67/0x120 [ 1325.510988][T14020] ? __pfx_validate_chain+0x10/0x10 [ 1325.511143][T14020] ? hlock_class+0x4e/0x130 [ 1325.511298][T14020] ? mark_lock+0x38/0x3e0 [ 1325.511420][T14020] ? __lock_acquire+0xb3f/0x1580 [ 1325.511584][T14020] ? find_held_lock+0x2c/0x110 [ 1325.511755][T14020] ? ipv6_setsockopt+0x7f/0xe0 [ 1325.511925][T14020] ipv6_setsockopt+0x7f/0xe0 [ 1325.512090][T14020] rawv6_setsockopt+0xb7/0x550 [ 1325.512261][T14020] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1325.512426][T14020] ? __lock_acquire+0xb3f/0x1580 [ 1325.512589][T14020] ? kfree+0x2d/0x340 [ 1325.512721][T14020] do_sock_setsockopt+0x149/0x3a0 [ 1325.512879][T14020] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1325.513036][T14020] ? __lock_release+0x103/0x460 [ 1325.513199][T14020] ? fd_install+0x1d1/0x5a0 [ 1325.513370][T14020] ? trace_lock_acquire+0x14d/0x1f0 [ 1325.513528][T14020] ? fdget+0x52/0x1e0 [ 1325.513653][T14020] __sys_setsockopt+0x104/0x1a0 [ 1325.513819][T14020] ? __pfx___sys_setsockopt+0x10/0x10 [ 1325.513976][T14020] ? __sys_socket+0x168/0x1e0 [ 1325.514138][T14020] ? __pfx___sys_socket+0x10/0x10 [ 1325.514299][T14020] ? do_user_addr_fault+0x374/0xe30 [ 1325.514464][T14020] __x64_sys_setsockopt+0xbd/0x160 [ 1325.514650][T14020] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1325.514843][T14020] do_syscall_64+0xc1/0x1d0 [ 1325.515005][T14020] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1325.515204][T14020] RIP: 0033:0x7fdec687191e [ 1325.515373][T14020] 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 [ 1325.515924][T14020] RSP: 002b:00007ffd059f80e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1325.516161][T14020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdec687191e [ 1325.516397][T14020] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1325.516632][T14020] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1325.516865][T14020] R10: 00007ffd059f810c R11: 0000000000000246 R12: 0000000000000000 [ 1325.517122][T14020] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fdec6976000 [ 1325.517372][T14020] [ 1325.521236][T14020] veth0: entered allmulticast mode [ 1325.521929][T14020] veth1: entered allmulticast mode [ 1325.522414][T14020] veth2: entered allmulticast mode [ 1325.522958][T14020] veth3: entered allmulticast mode [ 1325.523389][T14020] veth4: entered allmulticast mode [ 1325.525521][T14020] veth5: entered allmulticast mode [ 1352.164741][T14020] veth0: left allmulticast mode [ 1352.165139][T14020] veth1: left allmulticast mode [ 1352.165410][T14020] veth2: left allmulticast mode [ 1352.165693][T14020] veth3: left allmulticast mode [ 1352.165953][T14020] veth4: left allmulticast mode [ 1352.166230][T14020] veth5: left allmulticast mode