[ 1311.894667][ T8184] [ 1311.894847][ T8184] ============================= [ 1311.895093][ T8184] WARNING: suspicious RCU usage [ 1311.895268][ T8184] 6.12.0-rc7-virtme #1 Not tainted [ 1311.895464][ T8184] ----------------------------- [ 1311.895799][ T8184] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1311.896141][ T8184] [ 1311.896141][ T8184] other info that might help us debug this: [ 1311.896141][ T8184] [ 1311.896646][ T8184] [ 1311.896646][ T8184] rcu_scheduler_active = 2, debug_locks = 1 [ 1311.897043][ T8184] no locks held by smcrouted/8184. [ 1311.897332][ T8184] [ 1311.897332][ T8184] stack backtrace: [ 1311.897688][ T8184] CPU: 2 UID: 0 PID: 8184 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1311.898111][ T8184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1311.898310][ T8184] Call Trace: [ 1311.898440][ T8184] [ 1311.898528][ T8184] dump_stack_lvl+0xb0/0xd0 [ 1311.898708][ T8184] lockdep_rcu_suspicious+0x1ea/0x280 [ 1311.898921][ T8184] ip6mr_get_table+0x142/0x190 [ 1311.899086][ T8184] ip6_mroute_setsockopt+0x185/0x12d0 [ 1311.899286][ T8184] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1311.899542][ T8184] ? __lock_release+0x103/0x460 [ 1311.899825][ T8184] ? __might_fault+0x11b/0x170 [ 1311.900086][ T8184] ? trace_lock_acquire+0x14d/0x1f0 [ 1311.900342][ T8184] ? __might_fault+0xc3/0x170 [ 1311.900600][ T8184] ? lock_acquire+0x32/0xc0 [ 1311.900884][ T8184] ? __might_fault+0xc3/0x170 [ 1311.901158][ T8184] ? __might_fault+0x11b/0x170 [ 1311.901440][ T8184] do_ipv6_setsockopt+0x705/0x34e0 [ 1311.901722][ T8184] ? __lock_release+0x40/0x460 [ 1311.901935][ T8184] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1311.902101][ T8184] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1311.902313][ T8184] ? rcu_read_lock_any_held+0x43/0xb0 [ 1311.902481][ T8184] ? validate_chain+0x1fe/0xae0 [ 1311.902692][ T8184] ? is_bpf_text_address+0x67/0x120 [ 1311.902913][ T8184] ? __pfx_validate_chain+0x10/0x10 [ 1311.903168][ T8184] ? hlock_class+0x4e/0x130 [ 1311.903367][ T8184] ? mark_lock+0x38/0x3e0 [ 1311.903552][ T8184] ? __lock_acquire+0xb3f/0x1580 [ 1311.903796][ T8184] ? find_held_lock+0x2c/0x110 [ 1311.904094][ T8184] ? ipv6_setsockopt+0x7f/0xe0 [ 1311.904365][ T8184] ipv6_setsockopt+0x7f/0xe0 [ 1311.904650][ T8184] rawv6_setsockopt+0xb7/0x550 [ 1311.904931][ T8184] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1311.905204][ T8184] ? __lock_acquire+0xb3f/0x1580 [ 1311.905485][ T8184] ? kfree+0x2d/0x340 [ 1311.905699][ T8184] do_sock_setsockopt+0x149/0x3a0 [ 1311.905975][ T8184] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1311.906203][ T8184] ? __lock_release+0x103/0x460 [ 1311.906386][ T8184] ? fd_install+0x1d1/0x5a0 [ 1311.906609][ T8184] ? trace_lock_acquire+0x14d/0x1f0 [ 1311.906785][ T8184] ? fdget+0x52/0x1e0 [ 1311.906979][ T8184] __sys_setsockopt+0x104/0x1a0 [ 1311.907153][ T8184] ? __pfx___sys_setsockopt+0x10/0x10 [ 1311.907322][ T8184] ? __sys_socket+0x168/0x1e0 [ 1311.907494][ T8184] ? __pfx___sys_socket+0x10/0x10 [ 1311.907668][ T8184] ? do_user_addr_fault+0x374/0xe30 [ 1311.907915][ T8184] __x64_sys_setsockopt+0xbd/0x160 [ 1311.908104][ T8184] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1311.908341][ T8184] do_syscall_64+0xc1/0x1d0 [ 1311.908520][ T8184] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1311.908801][ T8184] RIP: 0033:0x7f664050391e [ 1311.909039][ T8184] 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 [ 1311.909737][ T8184] RSP: 002b:00007ffedcc79698 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1311.910010][ T8184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f664050391e [ 1311.910269][ T8184] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1311.910527][ T8184] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1311.910854][ T8184] R10: 00007ffedcc796bc R11: 0000000000000246 R12: 0000000000000000 [ 1311.911169][ T8184] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f6640608000 [ 1311.911437][ T8184] [ 1311.914569][ T8184] veth0: entered allmulticast mode [ 1311.915244][ T8184] veth1: entered allmulticast mode [ 1311.915768][ T8184] veth2: entered allmulticast mode [ 1311.916213][ T8184] veth3: entered allmulticast mode [ 1311.916665][ T8184] veth4: entered allmulticast mode [ 1311.917044][ T8184] veth5: entered allmulticast mode [ 1337.004367][ T8184] veth0: left allmulticast mode [ 1337.004767][ T8184] veth1: left allmulticast mode [ 1337.005005][ T8184] veth2: left allmulticast mode [ 1337.005233][ T8184] veth3: left allmulticast mode [ 1337.005465][ T8184] veth4: left allmulticast mode [ 1337.005709][ T8184] veth5: left allmulticast mode