[ 1262.261047][T13356] [ 1262.261222][T13356] ============================= [ 1262.261433][T13356] WARNING: suspicious RCU usage [ 1262.261617][T13356] 6.12.0-rc6-virtme #1 Not tainted [ 1262.261798][T13356] ----------------------------- [ 1262.261991][T13356] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1262.262392][T13356] [ 1262.262392][T13356] other info that might help us debug this: [ 1262.262392][T13356] [ 1262.262921][T13356] [ 1262.262921][T13356] rcu_scheduler_active = 2, debug_locks = 1 [ 1262.263347][T13356] no locks held by smcrouted/13356. [ 1262.263642][T13356] [ 1262.263642][T13356] stack backtrace: [ 1262.263974][T13356] CPU: 0 UID: 0 PID: 13356 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1262.264430][T13356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1262.264756][T13356] Call Trace: [ 1262.264965][T13356] [ 1262.265109][T13356] dump_stack_lvl+0xb0/0xd0 [ 1262.265395][T13356] lockdep_rcu_suspicious+0x1ea/0x280 [ 1262.265671][T13356] ip6mr_get_table+0x142/0x190 [ 1262.265944][T13356] ip6_mroute_setsockopt+0x185/0x12d0 [ 1262.266219][T13356] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1262.266557][T13356] ? __lock_release+0x103/0x460 [ 1262.266826][T13356] ? __might_fault+0x11b/0x170 [ 1262.267148][T13356] ? trace_lock_acquire+0x14d/0x1f0 [ 1262.267449][T13356] ? __might_fault+0xc3/0x170 [ 1262.267730][T13356] ? lock_acquire+0x32/0xc0 [ 1262.268025][T13356] ? __might_fault+0xc3/0x170 [ 1262.268314][T13356] ? __might_fault+0x11b/0x170 [ 1262.268610][T13356] do_ipv6_setsockopt+0x705/0x34e0 [ 1262.268906][T13356] ? __lock_release+0xe0/0x460 [ 1262.269189][T13356] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1262.269480][T13356] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1262.269784][T13356] ? rcu_read_lock_any_held+0x43/0xb0 [ 1262.270073][T13356] ? validate_chain+0x1fe/0xae0 [ 1262.270366][T13356] ? is_bpf_text_address+0x67/0x120 [ 1262.270662][T13356] ? __pfx_validate_chain+0x10/0x10 [ 1262.270942][T13356] ? hlock_class+0x4e/0x130 [ 1262.271224][T13356] ? mark_lock+0x38/0x3e0 [ 1262.271444][T13356] ? __lock_acquire+0xb3f/0x1580 [ 1262.271757][T13356] ? find_held_lock+0x2c/0x110 [ 1262.272076][T13356] ? ipv6_setsockopt+0x7f/0xe0 [ 1262.272373][T13356] ipv6_setsockopt+0x7f/0xe0 [ 1262.272666][T13356] rawv6_setsockopt+0xb7/0x550 [ 1262.272962][T13356] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1262.273275][T13356] ? __lock_acquire+0xb3f/0x1580 [ 1262.273574][T13356] ? kfree+0x2d/0x340 [ 1262.273808][T13356] do_sock_setsockopt+0x149/0x3a0 [ 1262.274106][T13356] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1262.274393][T13356] ? __lock_release+0x103/0x460 [ 1262.274671][T13356] ? fd_install+0x1d1/0x5a0 [ 1262.274949][T13356] ? trace_lock_acquire+0x14d/0x1f0 [ 1262.275237][T13356] ? fdget+0x52/0x1e0 [ 1262.275452][T13356] __sys_setsockopt+0x104/0x1a0 [ 1262.275729][T13356] ? __pfx___sys_setsockopt+0x10/0x10 [ 1262.276007][T13356] ? __sys_socket+0x168/0x1e0 [ 1262.276287][T13356] ? __pfx___sys_socket+0x10/0x10 [ 1262.276562][T13356] ? do_user_addr_fault+0x374/0xe30 [ 1262.276840][T13356] __x64_sys_setsockopt+0xbd/0x160 [ 1262.277113][T13356] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1262.277434][T13356] do_syscall_64+0xc1/0x1d0 [ 1262.277685][T13356] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1262.278012][T13356] RIP: 0033:0x7f7ce790791e [ 1262.278307][T13356] 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 [ 1262.279280][T13356] RSP: 002b:00007ffdbece1948 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1262.279701][T13356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ce790791e [ 1262.280128][T13356] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1262.280558][T13356] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1262.280973][T13356] R10: 00007ffdbece196c R11: 0000000000000246 R12: 0000000000000000 [ 1262.281385][T13356] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7ce7a0c000 [ 1262.281823][T13356] [ 1262.287004][T13356] veth0: entered allmulticast mode [ 1262.288498][T13356] veth1: entered allmulticast mode [ 1262.288935][T13356] veth2: entered allmulticast mode [ 1262.289468][T13356] veth3: entered allmulticast mode [ 1262.289872][T13356] veth4: entered allmulticast mode [ 1262.290239][T13356] veth5: entered allmulticast mode [ 1289.868393][T13356] veth0: left allmulticast mode [ 1289.868754][T13356] veth1: left allmulticast mode [ 1289.869015][T13356] veth2: left allmulticast mode [ 1289.869274][T13356] veth3: left allmulticast mode [ 1289.869560][T13356] veth4: left allmulticast mode [ 1289.869821][T13356] veth5: left allmulticast mode