[ 1865.474132][T14206] [ 1865.474312][T14206] ============================= [ 1865.474482][T14206] WARNING: suspicious RCU usage [ 1865.475006][T14206] 6.12.0-rc6-virtme #1 Not tainted [ 1865.475182][T14206] ----------------------------- [ 1865.475368][T14206] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1865.475642][T14206] [ 1865.475642][T14206] other info that might help us debug this: [ 1865.475642][T14206] [ 1865.476026][T14206] [ 1865.476026][T14206] rcu_scheduler_active = 2, debug_locks = 1 [ 1865.476277][T14206] no locks held by smcrouted/14206. [ 1865.476454][T14206] [ 1865.476454][T14206] stack backtrace: [ 1865.476679][T14206] CPU: 3 UID: 0 PID: 14206 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1865.476989][T14206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1865.477399][T14206] Call Trace: [ 1865.477532][T14206] [ 1865.477625][T14206] dump_stack_lvl+0xb0/0xd0 [ 1865.477907][T14206] lockdep_rcu_suspicious+0x1ea/0x280 [ 1865.478102][T14206] ip6mr_get_table+0x142/0x190 [ 1865.478279][T14206] ip6_mroute_setsockopt+0x185/0x12d0 [ 1865.478471][T14206] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1865.478695][T14206] ? __lock_release+0x103/0x460 [ 1865.478872][T14206] ? __might_fault+0x11b/0x170 [ 1865.479044][T14206] ? trace_lock_acquire+0x14d/0x1f0 [ 1865.479223][T14206] ? __might_fault+0xc3/0x170 [ 1865.479390][T14206] ? lock_acquire+0x32/0xc0 [ 1865.479564][T14206] ? __might_fault+0xc3/0x170 [ 1865.479743][T14206] ? __might_fault+0x11b/0x170 [ 1865.479929][T14206] do_ipv6_setsockopt+0x705/0x34e0 [ 1865.480109][T14206] ? __lock_release+0xe0/0x460 [ 1865.480297][T14206] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1865.480478][T14206] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1865.480686][T14206] ? rcu_read_lock_any_held+0x43/0xb0 [ 1865.480855][T14206] ? validate_chain+0x1fe/0xae0 [ 1865.481034][T14206] ? is_bpf_text_address+0x67/0x120 [ 1865.481209][T14206] ? __pfx_validate_chain+0x10/0x10 [ 1865.481384][T14206] ? hlock_class+0x4e/0x130 [ 1865.481552][T14206] ? mark_lock+0x38/0x3e0 [ 1865.481697][T14206] ? __lock_acquire+0xb3f/0x1580 [ 1865.481877][T14206] ? find_held_lock+0x2c/0x110 [ 1865.482079][T14206] ? ipv6_setsockopt+0x7f/0xe0 [ 1865.482253][T14206] ipv6_setsockopt+0x7f/0xe0 [ 1865.482437][T14206] rawv6_setsockopt+0xb7/0x550 [ 1865.482616][T14206] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1865.482791][T14206] ? __lock_acquire+0xb3f/0x1580 [ 1865.482957][T14206] ? kfree+0x2d/0x340 [ 1865.483100][T14206] do_sock_setsockopt+0x149/0x3a0 [ 1865.483268][T14206] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1865.483449][T14206] ? __lock_release+0x103/0x460 [ 1865.483619][T14206] ? fd_install+0x1d1/0x5a0 [ 1865.483808][T14206] ? trace_lock_acquire+0x14d/0x1f0 [ 1865.483991][T14206] ? fdget+0x52/0x1e0 [ 1865.484131][T14206] __sys_setsockopt+0x104/0x1a0 [ 1865.484316][T14206] ? __pfx___sys_setsockopt+0x10/0x10 [ 1865.484532][T14206] ? __sys_socket+0x168/0x1e0 [ 1865.484701][T14206] ? __pfx___sys_socket+0x10/0x10 [ 1865.484891][T14206] __x64_sys_setsockopt+0xbd/0x160 [ 1865.485062][T14206] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1865.485284][T14206] do_syscall_64+0xc1/0x1d0 [ 1865.485454][T14206] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1865.485681][T14206] RIP: 0033:0x7fc0ae41b91e [ 1865.485874][T14206] 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 [ 1865.486459][T14206] RSP: 002b:00007ffd328728f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1865.486725][T14206] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0ae41b91e [ 1865.487286][T14206] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1865.487537][T14206] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1865.487789][T14206] R10: 00007ffd3287291c R11: 0000000000000246 R12: 0000000000000000 [ 1865.488049][T14206] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc0ae520000 [ 1865.488329][T14206] [ 1865.495412][T14206] veth0: entered allmulticast mode [ 1865.496370][T14206] veth1: entered allmulticast mode [ 1865.496960][T14206] veth2: entered allmulticast mode [ 1865.497510][T14206] veth3: entered allmulticast mode [ 1895.681445][T14206] veth0: left allmulticast mode [ 1895.682636][T14206] veth1: left allmulticast mode [ 1895.683353][T14206] veth2: left allmulticast mode [ 1895.683603][T14206] veth3: left allmulticast mode