[ 1325.786781][T10442] [ 1325.786907][T10442] ============================= [ 1325.787068][T10442] WARNING: suspicious RCU usage [ 1325.787228][T10442] 6.12.0-rc6-virtme #1 Not tainted [ 1325.787515][T10442] ----------------------------- [ 1325.787672][T10442] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1325.787907][T10442] [ 1325.787907][T10442] other info that might help us debug this: [ 1325.787907][T10442] [ 1325.788213][T10442] [ 1325.788213][T10442] rcu_scheduler_active = 2, debug_locks = 1 [ 1325.788463][T10442] no locks held by smcrouted/10442. [ 1325.788627][T10442] [ 1325.788627][T10442] stack backtrace: [ 1325.788821][T10442] CPU: 3 UID: 0 PID: 10442 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1325.789096][T10442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1325.789300][T10442] Call Trace: [ 1325.789427][T10442] [ 1325.789512][T10442] dump_stack_lvl+0xb0/0xd0 [ 1325.789683][T10442] lockdep_rcu_suspicious+0x1ea/0x280 [ 1325.789846][T10442] ip6mr_get_table+0x142/0x190 [ 1325.790008][T10442] ip6_mroute_setsockopt+0x185/0x12d0 [ 1325.790169][T10442] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1325.790382][T10442] ? __lock_release+0x103/0x460 [ 1325.790544][T10442] ? __might_fault+0x11b/0x170 [ 1325.790714][T10442] ? trace_lock_acquire+0x14d/0x1f0 [ 1325.790879][T10442] ? __might_fault+0xc3/0x170 [ 1325.791038][T10442] ? lock_acquire+0x32/0xc0 [ 1325.791192][T10442] ? __might_fault+0xc3/0x170 [ 1325.791352][T10442] ? __might_fault+0x11b/0x170 [ 1325.791513][T10442] do_ipv6_setsockopt+0x705/0x34e0 [ 1325.791673][T10442] ? __lock_release+0xe0/0x460 [ 1325.791831][T10442] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1325.791997][T10442] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1325.792159][T10442] ? rcu_read_lock_any_held+0x43/0xb0 [ 1325.792319][T10442] ? validate_chain+0x1fe/0xae0 [ 1325.792477][T10442] ? is_bpf_text_address+0x67/0x120 [ 1325.792643][T10442] ? __pfx_validate_chain+0x10/0x10 [ 1325.792798][T10442] ? hlock_class+0x4e/0x130 [ 1325.792958][T10442] ? mark_lock+0x38/0x3e0 [ 1325.793088][T10442] ? __lock_acquire+0xb3f/0x1580 [ 1325.793262][T10442] ? find_held_lock+0x2c/0x110 [ 1325.793432][T10442] ? ipv6_setsockopt+0x7f/0xe0 [ 1325.793589][T10442] ipv6_setsockopt+0x7f/0xe0 [ 1325.793749][T10442] rawv6_setsockopt+0xb7/0x550 [ 1325.793907][T10442] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1325.794067][T10442] ? __lock_acquire+0xb3f/0x1580 [ 1325.794230][T10442] ? kfree+0x2d/0x340 [ 1325.794358][T10442] do_sock_setsockopt+0x149/0x3a0 [ 1325.794528][T10442] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1325.794687][T10442] ? __lock_release+0x103/0x460 [ 1325.794842][T10442] ? fd_install+0x1d1/0x5a0 [ 1325.795002][T10442] ? trace_lock_acquire+0x14d/0x1f0 [ 1325.795163][T10442] ? fdget+0x52/0x1e0 [ 1325.795287][T10442] __sys_setsockopt+0x104/0x1a0 [ 1325.795450][T10442] ? __pfx___sys_setsockopt+0x10/0x10 [ 1325.795608][T10442] ? __sys_socket+0x168/0x1e0 [ 1325.795767][T10442] ? __pfx___sys_socket+0x10/0x10 [ 1325.795924][T10442] ? do_user_addr_fault+0x374/0xe30 [ 1325.796084][T10442] __x64_sys_setsockopt+0xbd/0x160 [ 1325.796235][T10442] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1325.796439][T10442] do_syscall_64+0xc1/0x1d0 [ 1325.796656][T10442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1325.796873][T10442] RIP: 0033:0x7f0d3b92291e [ 1325.797062][T10442] 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 [ 1325.797651][T10442] RSP: 002b:00007fffa1e95a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1325.797905][T10442] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d3b92291e [ 1325.798144][T10442] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1325.798377][T10442] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1325.798618][T10442] R10: 00007fffa1e95a5c R11: 0000000000000246 R12: 0000000000000000 [ 1325.798852][T10442] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0d3ba27000 [ 1325.799101][T10442] [ 1325.802983][T10442] veth0: entered allmulticast mode [ 1325.803562][T10442] veth1: entered allmulticast mode [ 1325.803887][T10442] veth2: entered allmulticast mode [ 1325.804212][T10442] veth3: entered allmulticast mode [ 1325.804556][T10442] veth4: entered allmulticast mode [ 1325.804874][T10442] veth5: entered allmulticast mode [ 1351.381513][T10442] veth0: left allmulticast mode [ 1351.382036][T10442] veth1: left allmulticast mode [ 1351.382441][T10442] veth2: left allmulticast mode [ 1351.382884][T10442] veth3: left allmulticast mode [ 1351.383406][T10442] veth4: left allmulticast mode [ 1351.383904][T10442] veth5: left allmulticast mode