[ 1318.825045][ T8917] [ 1318.825238][ T8917] ============================= [ 1318.825426][ T8917] WARNING: suspicious RCU usage [ 1318.825604][ T8917] 6.12.0-rc6-virtme #1 Not tainted [ 1318.825777][ T8917] ----------------------------- [ 1318.825958][ T8917] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1318.826235][ T8917] [ 1318.826235][ T8917] other info that might help us debug this: [ 1318.826235][ T8917] [ 1318.826564][ T8917] [ 1318.826564][ T8917] rcu_scheduler_active = 2, debug_locks = 1 [ 1318.826808][ T8917] no locks held by smcrouted/8917. [ 1318.826986][ T8917] [ 1318.826986][ T8917] stack backtrace: [ 1318.827208][ T8917] CPU: 2 UID: 0 PID: 8917 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1318.827500][ T8917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1318.827703][ T8917] Call Trace: [ 1318.827828][ T8917] [ 1318.827917][ T8917] dump_stack_lvl+0xb0/0xd0 [ 1318.828091][ T8917] lockdep_rcu_suspicious+0x1ea/0x280 [ 1318.828265][ T8917] ip6mr_get_table+0x142/0x190 [ 1318.828433][ T8917] ip6_mroute_setsockopt+0x185/0x12d0 [ 1318.828598][ T8917] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1318.828815][ T8917] ? __lock_release+0x103/0x460 [ 1318.828979][ T8917] ? __might_fault+0x11b/0x170 [ 1318.829146][ T8917] ? trace_lock_acquire+0x14d/0x1f0 [ 1318.829310][ T8917] ? __might_fault+0xc3/0x170 [ 1318.829470][ T8917] ? lock_acquire+0x32/0xc0 [ 1318.829627][ T8917] ? __might_fault+0xc3/0x170 [ 1318.829790][ T8917] ? __might_fault+0x11b/0x170 [ 1318.829955][ T8917] do_ipv6_setsockopt+0x705/0x34e0 [ 1318.830119][ T8917] ? __lock_release+0xe0/0x460 [ 1318.830283][ T8917] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1318.830438][ T8917] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1318.830600][ T8917] ? rcu_read_lock_any_held+0x43/0xb0 [ 1318.830757][ T8917] ? validate_chain+0x1fe/0xae0 [ 1318.830916][ T8917] ? is_bpf_text_address+0x67/0x120 [ 1318.831083][ T8917] ? __pfx_validate_chain+0x10/0x10 [ 1318.831248][ T8917] ? hlock_class+0x4e/0x130 [ 1318.831407][ T8917] ? mark_lock+0x38/0x3e0 [ 1318.831531][ T8917] ? __lock_acquire+0xb3f/0x1580 [ 1318.831697][ T8917] ? find_held_lock+0x2c/0x110 [ 1318.831864][ T8917] ? ipv6_setsockopt+0x7f/0xe0 [ 1318.832025][ T8917] ipv6_setsockopt+0x7f/0xe0 [ 1318.832186][ T8917] rawv6_setsockopt+0xb7/0x550 [ 1318.832346][ T8917] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1318.832511][ T8917] ? __lock_acquire+0xb3f/0x1580 [ 1318.832674][ T8917] ? kfree+0x2d/0x340 [ 1318.832802][ T8917] do_sock_setsockopt+0x149/0x3a0 [ 1318.832970][ T8917] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1318.833129][ T8917] ? __lock_release+0x103/0x460 [ 1318.833287][ T8917] ? fd_install+0x1d1/0x5a0 [ 1318.833450][ T8917] ? trace_lock_acquire+0x14d/0x1f0 [ 1318.833609][ T8917] ? fdget+0x52/0x1e0 [ 1318.833729][ T8917] __sys_setsockopt+0x104/0x1a0 [ 1318.833892][ T8917] ? __pfx___sys_setsockopt+0x10/0x10 [ 1318.834054][ T8917] ? __sys_socket+0x168/0x1e0 [ 1318.834213][ T8917] ? __pfx___sys_socket+0x10/0x10 [ 1318.834374][ T8917] ? do_user_addr_fault+0x374/0xe30 [ 1318.834539][ T8917] __x64_sys_setsockopt+0xbd/0x160 [ 1318.834765][ T8917] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1318.834960][ T8917] do_syscall_64+0xc1/0x1d0 [ 1318.835130][ T8917] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1318.835339][ T8917] RIP: 0033:0x7fd2729ae91e [ 1318.835511][ T8917] 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 [ 1318.836080][ T8917] RSP: 002b:00007fffd57eb1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1318.836321][ T8917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2729ae91e [ 1318.836556][ T8917] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1318.836796][ T8917] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1318.837040][ T8917] R10: 00007fffd57eb20c R11: 0000000000000246 R12: 0000000000000000 [ 1318.837282][ T8917] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd272ab3000 [ 1318.837570][ T8917] [ 1318.840157][ T8917] veth0: entered allmulticast mode [ 1318.841084][ T8917] veth1: entered allmulticast mode [ 1318.841465][ T8917] veth2: entered allmulticast mode [ 1318.841807][ T8917] veth3: entered allmulticast mode [ 1318.842146][ T8917] veth4: entered allmulticast mode [ 1318.842507][ T8917] veth5: entered allmulticast mode [ 1344.129928][ T8917] veth0: left allmulticast mode [ 1344.130260][ T8917] veth1: left allmulticast mode [ 1344.130496][ T8917] veth2: left allmulticast mode [ 1344.130728][ T8917] veth3: left allmulticast mode [ 1344.130962][ T8917] veth4: left allmulticast mode [ 1344.131688][ T8917] veth5: left allmulticast mode