[ 1263.866278][T17340] [ 1263.866428][T17340] ============================= [ 1263.866640][T17340] WARNING: suspicious RCU usage [ 1263.866805][T17340] 6.12.0-rc6-virtme #1 Not tainted [ 1263.866979][T17340] ----------------------------- [ 1263.867186][T17340] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1263.867576][T17340] [ 1263.867576][T17340] other info that might help us debug this: [ 1263.867576][T17340] [ 1263.868032][T17340] [ 1263.868032][T17340] rcu_scheduler_active = 2, debug_locks = 1 [ 1263.868416][T17340] no locks held by smcrouted/17340. [ 1263.868675][T17340] [ 1263.868675][T17340] stack backtrace: [ 1263.868989][T17340] CPU: 3 UID: 0 PID: 17340 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1263.869447][T17340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1263.869766][T17340] Call Trace: [ 1263.869966][T17340] [ 1263.870106][T17340] dump_stack_lvl+0xb0/0xd0 [ 1263.870385][T17340] lockdep_rcu_suspicious+0x1ea/0x280 [ 1263.870645][T17340] ip6mr_get_table+0x142/0x190 [ 1263.870903][T17340] ip6_mroute_setsockopt+0x185/0x12d0 [ 1263.871162][T17340] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1263.871487][T17340] ? __lock_release+0x103/0x460 [ 1263.871742][T17340] ? __might_fault+0x11b/0x170 [ 1263.871980][T17340] ? trace_lock_acquire+0x14d/0x1f0 [ 1263.872231][T17340] ? __might_fault+0xc3/0x170 [ 1263.872472][T17340] ? lock_acquire+0x32/0xc0 [ 1263.872718][T17340] ? __might_fault+0xc3/0x170 [ 1263.872893][T17340] ? __might_fault+0x11b/0x170 [ 1263.873069][T17340] do_ipv6_setsockopt+0x705/0x34e0 [ 1263.873243][T17340] ? __lock_release+0xe0/0x460 [ 1263.873416][T17340] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1263.873572][T17340] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1263.873763][T17340] ? rcu_read_lock_any_held+0x43/0xb0 [ 1263.873922][T17340] ? validate_chain+0x1fe/0xae0 [ 1263.874081][T17340] ? is_bpf_text_address+0x67/0x120 [ 1263.874255][T17340] ? __pfx_validate_chain+0x10/0x10 [ 1263.874415][T17340] ? hlock_class+0x4e/0x130 [ 1263.874575][T17340] ? mark_lock+0x38/0x3e0 [ 1263.874701][T17340] ? __lock_acquire+0xb3f/0x1580 [ 1263.874867][T17340] ? find_held_lock+0x2c/0x110 [ 1263.875034][T17340] ? ipv6_setsockopt+0x7f/0xe0 [ 1263.875200][T17340] ipv6_setsockopt+0x7f/0xe0 [ 1263.875357][T17340] rawv6_setsockopt+0xb7/0x550 [ 1263.875515][T17340] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1263.875673][T17340] ? __lock_acquire+0xb3f/0x1580 [ 1263.875835][T17340] ? kfree+0x2d/0x340 [ 1263.875962][T17340] do_sock_setsockopt+0x149/0x3a0 [ 1263.876122][T17340] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1263.876291][T17340] ? __lock_release+0x103/0x460 [ 1263.876449][T17340] ? fd_install+0x1d1/0x5a0 [ 1263.876610][T17340] ? trace_lock_acquire+0x14d/0x1f0 [ 1263.876771][T17340] ? fdget+0x52/0x1e0 [ 1263.876898][T17340] __sys_setsockopt+0x104/0x1a0 [ 1263.877062][T17340] ? __pfx___sys_setsockopt+0x10/0x10 [ 1263.877227][T17340] ? __sys_socket+0x168/0x1e0 [ 1263.877386][T17340] ? __pfx___sys_socket+0x10/0x10 [ 1263.877542][T17340] ? do_user_addr_fault+0x374/0xe30 [ 1263.877708][T17340] __x64_sys_setsockopt+0xbd/0x160 [ 1263.877867][T17340] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1263.878060][T17340] do_syscall_64+0xc1/0x1d0 [ 1263.878227][T17340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1263.878425][T17340] RIP: 0033:0x7f50db7d191e [ 1263.878592][T17340] 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 [ 1263.879179][T17340] RSP: 002b:00007ffda3d67648 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1263.879418][T17340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50db7d191e [ 1263.879656][T17340] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1263.879899][T17340] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1263.880135][T17340] R10: 00007ffda3d6766c R11: 0000000000000246 R12: 0000000000000000 [ 1263.880382][T17340] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f50db8d6000 [ 1263.880633][T17340] [ 1263.883081][T17340] veth0: entered allmulticast mode [ 1263.885868][T17340] veth1: entered allmulticast mode [ 1263.886419][T17340] veth2: entered allmulticast mode [ 1263.886922][T17340] veth3: entered allmulticast mode [ 1263.887448][T17340] veth4: entered allmulticast mode [ 1263.887848][T17340] veth5: entered allmulticast mode [ 1274.885919][T17427] GACT probability NOT on [ 1290.637427][T17340] veth0: left allmulticast mode [ 1290.637988][T17340] veth1: left allmulticast mode [ 1290.638432][T17340] veth2: left allmulticast mode [ 1290.639166][T17340] veth3: left allmulticast mode [ 1290.639626][T17340] veth4: left allmulticast mode [ 1290.640579][T17340] veth5: left allmulticast mode