[ 1220.844094][T13379] [ 1220.844247][T13379] ============================= [ 1220.844430][T13379] WARNING: suspicious RCU usage [ 1220.844602][T13379] 6.12.0-rc7-virtme #1 Not tainted [ 1220.844775][T13379] ----------------------------- [ 1220.844949][T13379] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1220.845225][T13379] [ 1220.845225][T13379] other info that might help us debug this: [ 1220.845225][T13379] [ 1220.845560][T13379] [ 1220.845560][T13379] rcu_scheduler_active = 2, debug_locks = 1 [ 1220.845816][T13379] no locks held by smcrouted/13379. [ 1220.846004][T13379] [ 1220.846004][T13379] stack backtrace: [ 1220.846218][T13379] CPU: 3 UID: 0 PID: 13379 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1220.846532][T13379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1220.846755][T13379] Call Trace: [ 1220.846900][T13379] [ 1220.846994][T13379] dump_stack_lvl+0xb0/0xd0 [ 1220.847192][T13379] lockdep_rcu_suspicious+0x1ea/0x280 [ 1220.847373][T13379] ip6mr_get_table+0x142/0x190 [ 1220.847551][T13379] ip6_mroute_setsockopt+0x185/0x12d0 [ 1220.847728][T13379] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1220.847953][T13379] ? __lock_release+0x103/0x460 [ 1220.848128][T13379] ? __might_fault+0x11b/0x170 [ 1220.848303][T13379] ? trace_lock_acquire+0x14d/0x1f0 [ 1220.848478][T13379] ? __might_fault+0xc3/0x170 [ 1220.848647][T13379] ? lock_acquire+0x32/0xc0 [ 1220.848822][T13379] ? __might_fault+0xc3/0x170 [ 1220.848996][T13379] ? __might_fault+0x11b/0x170 [ 1220.849174][T13379] do_ipv6_setsockopt+0x705/0x34e0 [ 1220.849353][T13379] ? __lock_release+0x40/0x460 [ 1220.849529][T13379] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1220.849699][T13379] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1220.849875][T13379] ? rcu_read_lock_any_held+0x43/0xb0 [ 1220.850053][T13379] ? validate_chain+0x1fe/0xae0 [ 1220.850238][T13379] ? is_bpf_text_address+0x67/0x120 [ 1220.850426][T13379] ? __pfx_validate_chain+0x10/0x10 [ 1220.850613][T13379] ? hlock_class+0x4e/0x130 [ 1220.850798][T13379] ? mark_lock+0x38/0x3e0 [ 1220.850938][T13379] ? __lock_acquire+0xb3f/0x1580 [ 1220.851125][T13379] ? find_held_lock+0x2c/0x110 [ 1220.851305][T13379] ? ipv6_setsockopt+0x7f/0xe0 [ 1220.851478][T13379] ipv6_setsockopt+0x7f/0xe0 [ 1220.851656][T13379] rawv6_setsockopt+0xb7/0x550 [ 1220.851839][T13379] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1220.852015][T13379] ? __lock_acquire+0xb3f/0x1580 [ 1220.852193][T13379] ? kfree+0x2d/0x340 [ 1220.852331][T13379] do_sock_setsockopt+0x149/0x3a0 [ 1220.852504][T13379] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1220.852678][T13379] ? __lock_release+0x103/0x460 [ 1220.852854][T13379] ? fd_install+0x1d1/0x5a0 [ 1220.853038][T13379] ? trace_lock_acquire+0x14d/0x1f0 [ 1220.853221][T13379] ? fdget+0x52/0x1e0 [ 1220.853356][T13379] __sys_setsockopt+0x104/0x1a0 [ 1220.853531][T13379] ? __pfx___sys_setsockopt+0x10/0x10 [ 1220.853696][T13379] ? __sys_socket+0x168/0x1e0 [ 1220.853858][T13379] ? __pfx___sys_socket+0x10/0x10 [ 1220.854030][T13379] ? do_user_addr_fault+0x374/0xe30 [ 1220.854205][T13379] __x64_sys_setsockopt+0xbd/0x160 [ 1220.854366][T13379] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1220.854569][T13379] do_syscall_64+0xc1/0x1d0 [ 1220.854731][T13379] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1220.854928][T13379] RIP: 0033:0x7fe3e2fd691e [ 1220.855110][T13379] 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 [ 1220.855661][T13379] RSP: 002b:00007ffdc2f485d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1220.855919][T13379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3e2fd691e [ 1220.856166][T13379] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1220.856408][T13379] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1220.856641][T13379] R10: 00007ffdc2f485fc R11: 0000000000000246 R12: 0000000000000000 [ 1220.856895][T13379] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe3e30db000 [ 1220.857147][T13379] [ 1220.863034][T13379] veth0: entered allmulticast mode [ 1220.863559][T13379] veth1: entered allmulticast mode [ 1220.863896][T13379] veth2: entered allmulticast mode [ 1220.864231][T13379] veth3: entered allmulticast mode [ 1220.864562][T13379] veth4: entered allmulticast mode [ 1220.864897][T13379] veth5: entered allmulticast mode [ 1247.711294][T13379] veth0: left allmulticast mode [ 1247.711646][T13379] veth1: left allmulticast mode [ 1247.711896][T13379] veth2: left allmulticast mode [ 1247.712168][T13379] veth3: left allmulticast mode [ 1247.718283][T13379] veth4: left allmulticast mode [ 1247.718594][T13379] veth5: left allmulticast mode