[ 1237.850963][T13056] [ 1237.851182][T13056] ============================= [ 1237.852869][T13056] WARNING: suspicious RCU usage [ 1237.853169][T13056] 6.12.0-rc7-virtme #1 Not tainted [ 1237.853846][T13056] ----------------------------- [ 1237.854111][T13056] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1237.854517][T13056] [ 1237.854517][T13056] other info that might help us debug this: [ 1237.854517][T13056] [ 1237.854983][T13056] [ 1237.854983][T13056] rcu_scheduler_active = 2, debug_locks = 1 [ 1237.855533][T13056] no locks held by smcrouted/13056. [ 1237.855810][T13056] [ 1237.855810][T13056] stack backtrace: [ 1237.856146][T13056] CPU: 3 UID: 0 PID: 13056 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1237.856625][T13056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1237.856970][T13056] Call Trace: [ 1237.857176][T13056] [ 1237.857326][T13056] dump_stack_lvl+0xb0/0xd0 [ 1237.857615][T13056] lockdep_rcu_suspicious+0x1ea/0x280 [ 1237.857899][T13056] ip6mr_get_table+0x142/0x190 [ 1237.858166][T13056] ip6_mroute_setsockopt+0x185/0x12d0 [ 1237.858436][T13056] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1237.858778][T13056] ? __lock_release+0x103/0x460 [ 1237.859045][T13056] ? __might_fault+0x11b/0x170 [ 1237.859313][T13056] ? trace_lock_acquire+0x14d/0x1f0 [ 1237.859593][T13056] ? __might_fault+0xc3/0x170 [ 1237.859863][T13056] ? lock_acquire+0x32/0xc0 [ 1237.860134][T13056] ? __might_fault+0xc3/0x170 [ 1237.860405][T13056] ? __might_fault+0x11b/0x170 [ 1237.860682][T13056] do_ipv6_setsockopt+0x705/0x34e0 [ 1237.860971][T13056] ? __lock_release+0xf0/0x460 [ 1237.861243][T13056] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1237.861510][T13056] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1237.861783][T13056] ? rcu_read_lock_any_held+0x43/0xb0 [ 1237.862060][T13056] ? validate_chain+0x1fe/0xae0 [ 1237.862327][T13056] ? is_bpf_text_address+0x67/0x120 [ 1237.862607][T13056] ? __pfx_validate_chain+0x10/0x10 [ 1237.862880][T13056] ? hlock_class+0x4e/0x130 [ 1237.863149][T13056] ? mark_lock+0x38/0x3e0 [ 1237.863360][T13056] ? __lock_acquire+0xb3f/0x1580 [ 1237.863646][T13056] ? find_held_lock+0x2c/0x110 [ 1237.863922][T13056] ? ipv6_setsockopt+0x7f/0xe0 [ 1237.864199][T13056] ipv6_setsockopt+0x7f/0xe0 [ 1237.864470][T13056] rawv6_setsockopt+0xb7/0x550 [ 1237.864739][T13056] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1237.865008][T13056] ? __lock_acquire+0xb3f/0x1580 [ 1237.865284][T13056] ? kfree+0x2d/0x340 [ 1237.865497][T13056] do_sock_setsockopt+0x149/0x3a0 [ 1237.865767][T13056] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1237.866028][T13056] ? __lock_release+0x103/0x460 [ 1237.866290][T13056] ? fd_install+0x1d1/0x5a0 [ 1237.866562][T13056] ? trace_lock_acquire+0x14d/0x1f0 [ 1237.866833][T13056] ? fdget+0x52/0x1e0 [ 1237.867045][T13056] __sys_setsockopt+0x104/0x1a0 [ 1237.867316][T13056] ? __pfx___sys_setsockopt+0x10/0x10 [ 1237.867593][T13056] ? __sys_socket+0x168/0x1e0 [ 1237.867854][T13056] ? __pfx___sys_socket+0x10/0x10 [ 1237.868097][T13056] ? do_user_addr_fault+0x374/0xe30 [ 1237.868362][T13056] __x64_sys_setsockopt+0xbd/0x160 [ 1237.868626][T13056] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1237.868955][T13056] do_syscall_64+0xc1/0x1d0 [ 1237.869207][T13056] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1237.869523][T13056] RIP: 0033:0x7fe6576b391e [ 1237.869797][T13056] 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 [ 1237.870704][T13056] RSP: 002b:00007ffdf51b8998 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1237.871091][T13056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe6576b391e [ 1237.871483][T13056] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1237.871865][T13056] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1237.872253][T13056] R10: 00007ffdf51b89bc R11: 0000000000000246 R12: 0000000000000000 [ 1237.872640][T13056] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe6577b8000 [ 1237.873038][T13056] [ 1237.876009][T13056] veth0: entered allmulticast mode [ 1237.876581][T13056] veth1: entered allmulticast mode [ 1237.876924][T13056] veth2: entered allmulticast mode [ 1237.877357][T13056] veth3: entered allmulticast mode [ 1237.877823][T13056] veth4: entered allmulticast mode [ 1237.878252][T13056] veth5: entered allmulticast mode [ 1264.398962][T13056] veth0: left allmulticast mode [ 1264.399475][T13056] veth1: left allmulticast mode [ 1264.399891][T13056] veth2: left allmulticast mode [ 1264.400309][T13056] veth3: left allmulticast mode [ 1264.400702][T13056] veth4: left allmulticast mode [ 1264.401089][T13056] veth5: left allmulticast mode