[ 1240.326471][T13124] [ 1240.326628][T13124] ============================= [ 1240.326808][T13124] WARNING: suspicious RCU usage [ 1240.326985][T13124] 6.12.0-rc7-virtme #1 Not tainted [ 1240.327162][T13124] ----------------------------- [ 1240.327332][T13124] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1240.327601][T13124] [ 1240.327601][T13124] other info that might help us debug this: [ 1240.327601][T13124] [ 1240.327937][T13124] [ 1240.327937][T13124] rcu_scheduler_active = 2, debug_locks = 1 [ 1240.328186][T13124] no locks held by smcrouted/13124. [ 1240.328367][T13124] [ 1240.328367][T13124] stack backtrace: [ 1240.328631][T13124] CPU: 0 UID: 0 PID: 13124 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1240.328925][T13124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1240.329140][T13124] Call Trace: [ 1240.329274][T13124] [ 1240.329366][T13124] dump_stack_lvl+0xb0/0xd0 [ 1240.329548][T13124] lockdep_rcu_suspicious+0x1ea/0x280 [ 1240.329723][T13124] ip6mr_get_table+0x142/0x190 [ 1240.329901][T13124] ip6_mroute_setsockopt+0x185/0x12d0 [ 1240.330072][T13124] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1240.330293][T13124] ? __lock_release+0x103/0x460 [ 1240.330460][T13124] ? __might_fault+0x11b/0x170 [ 1240.330633][T13124] ? trace_lock_acquire+0x14d/0x1f0 [ 1240.330810][T13124] ? __might_fault+0xc3/0x170 [ 1240.330983][T13124] ? lock_acquire+0x32/0xc0 [ 1240.331150][T13124] ? __might_fault+0xc3/0x170 [ 1240.331319][T13124] ? __might_fault+0x11b/0x170 [ 1240.331496][T13124] do_ipv6_setsockopt+0x705/0x34e0 [ 1240.331678][T13124] ? __lock_release+0x40/0x460 [ 1240.331852][T13124] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1240.332018][T13124] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1240.332189][T13124] ? rcu_read_lock_any_held+0x43/0xb0 [ 1240.332365][T13124] ? validate_chain+0x1fe/0xae0 [ 1240.332540][T13124] ? is_bpf_text_address+0x67/0x120 [ 1240.332712][T13124] ? __pfx_validate_chain+0x10/0x10 [ 1240.332879][T13124] ? hlock_class+0x4e/0x130 [ 1240.333051][T13124] ? mark_lock+0x38/0x3e0 [ 1240.333186][T13124] ? __lock_acquire+0xb3f/0x1580 [ 1240.333363][T13124] ? find_held_lock+0x2c/0x110 [ 1240.333542][T13124] ? ipv6_setsockopt+0x7f/0xe0 [ 1240.333710][T13124] ipv6_setsockopt+0x7f/0xe0 [ 1240.333894][T13124] rawv6_setsockopt+0xb7/0x550 [ 1240.334070][T13124] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1240.334240][T13124] ? __lock_acquire+0xb3f/0x1580 [ 1240.334411][T13124] ? kfree+0x2d/0x340 [ 1240.334553][T13124] do_sock_setsockopt+0x149/0x3a0 [ 1240.334723][T13124] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1240.334892][T13124] ? __lock_release+0x103/0x460 [ 1240.335059][T13124] ? fd_install+0x1d1/0x5a0 [ 1240.335231][T13124] ? trace_lock_acquire+0x14d/0x1f0 [ 1240.335405][T13124] ? fdget+0x52/0x1e0 [ 1240.335538][T13124] __sys_setsockopt+0x104/0x1a0 [ 1240.335715][T13124] ? __pfx___sys_setsockopt+0x10/0x10 [ 1240.335887][T13124] ? __sys_socket+0x168/0x1e0 [ 1240.336064][T13124] ? __pfx___sys_socket+0x10/0x10 [ 1240.336239][T13124] ? do_user_addr_fault+0x374/0xe30 [ 1240.336436][T13124] __x64_sys_setsockopt+0xbd/0x160 [ 1240.336606][T13124] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1240.336816][T13124] do_syscall_64+0xc1/0x1d0 [ 1240.336986][T13124] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1240.337201][T13124] RIP: 0033:0x7f1caca4291e [ 1240.337384][T13124] 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 [ 1240.337970][T13124] RSP: 002b:00007ffc1d996858 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1240.338225][T13124] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1caca4291e [ 1240.338488][T13124] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1240.338753][T13124] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1240.339008][T13124] R10: 00007ffc1d99687c R11: 0000000000000246 R12: 0000000000000000 [ 1240.339265][T13124] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1cacb47000 [ 1240.339527][T13124] [ 1240.344110][T13124] veth0: entered allmulticast mode [ 1240.344664][T13124] veth1: entered allmulticast mode [ 1240.345006][T13124] veth2: entered allmulticast mode [ 1240.345363][T13124] veth3: entered allmulticast mode [ 1240.345704][T13124] veth4: entered allmulticast mode [ 1240.346034][T13124] veth5: entered allmulticast mode [ 1266.255557][T13124] veth0: left allmulticast mode [ 1266.255856][T13124] veth1: left allmulticast mode [ 1266.256091][T13124] veth2: left allmulticast mode [ 1266.256337][T13124] veth3: left allmulticast mode [ 1266.256631][T13124] veth4: left allmulticast mode [ 1266.256870][T13124] veth5: left allmulticast mode