[ 1319.111862][ T8463] [ 1319.112040][ T8463] ============================= [ 1319.112216][ T8463] WARNING: suspicious RCU usage [ 1319.112390][ T8463] 6.12.0-rc6-virtme #1 Not tainted [ 1319.112564][ T8463] ----------------------------- [ 1319.112732][ T8463] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1319.112987][ T8463] [ 1319.112987][ T8463] other info that might help us debug this: [ 1319.112987][ T8463] [ 1319.113299][ T8463] [ 1319.113299][ T8463] rcu_scheduler_active = 2, debug_locks = 1 [ 1319.113538][ T8463] no locks held by smcrouted/8463. [ 1319.113712][ T8463] [ 1319.113712][ T8463] stack backtrace: [ 1319.113928][ T8463] CPU: 2 UID: 0 PID: 8463 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1319.114193][ T8463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1319.114392][ T8463] Call Trace: [ 1319.114513][ T8463] [ 1319.114597][ T8463] dump_stack_lvl+0xb0/0xd0 [ 1319.114761][ T8463] lockdep_rcu_suspicious+0x1ea/0x280 [ 1319.114923][ T8463] ip6mr_get_table+0x142/0x190 [ 1319.115088][ T8463] ip6_mroute_setsockopt+0x185/0x12d0 [ 1319.115244][ T8463] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1319.115444][ T8463] ? __lock_release+0x103/0x460 [ 1319.115598][ T8463] ? __might_fault+0x11b/0x170 [ 1319.115756][ T8463] ? trace_lock_acquire+0x14d/0x1f0 [ 1319.115918][ T8463] ? __might_fault+0xc3/0x170 [ 1319.116075][ T8463] ? lock_acquire+0x32/0xc0 [ 1319.116227][ T8463] ? __might_fault+0xc3/0x170 [ 1319.116380][ T8463] ? __might_fault+0x11b/0x170 [ 1319.116539][ T8463] do_ipv6_setsockopt+0x705/0x34e0 [ 1319.116695][ T8463] ? __lock_release+0xe0/0x460 [ 1319.116847][ T8463] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1319.117001][ T8463] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1319.117158][ T8463] ? rcu_read_lock_any_held+0x43/0xb0 [ 1319.117310][ T8463] ? validate_chain+0x1fe/0xae0 [ 1319.117466][ T8463] ? is_bpf_text_address+0x67/0x120 [ 1319.117627][ T8463] ? __pfx_validate_chain+0x10/0x10 [ 1319.117779][ T8463] ? hlock_class+0x4e/0x130 [ 1319.117932][ T8463] ? mark_lock+0x38/0x3e0 [ 1319.118055][ T8463] ? __lock_acquire+0xb3f/0x1580 [ 1319.118219][ T8463] ? find_held_lock+0x2c/0x110 [ 1319.118381][ T8463] ? ipv6_setsockopt+0x7f/0xe0 [ 1319.118534][ T8463] ipv6_setsockopt+0x7f/0xe0 [ 1319.118695][ T8463] rawv6_setsockopt+0xb7/0x550 [ 1319.118855][ T8463] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1319.119009][ T8463] ? __lock_acquire+0xb3f/0x1580 [ 1319.119167][ T8463] ? kfree+0x2d/0x340 [ 1319.119292][ T8463] do_sock_setsockopt+0x149/0x3a0 [ 1319.119449][ T8463] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1319.119607][ T8463] ? __lock_release+0x103/0x460 [ 1319.119764][ T8463] ? fd_install+0x1d1/0x5a0 [ 1319.119921][ T8463] ? trace_lock_acquire+0x14d/0x1f0 [ 1319.120078][ T8463] ? fdget+0x52/0x1e0 [ 1319.120199][ T8463] __sys_setsockopt+0x104/0x1a0 [ 1319.120360][ T8463] ? __pfx___sys_setsockopt+0x10/0x10 [ 1319.120614][ T8463] ? __sys_socket+0x168/0x1e0 [ 1319.120767][ T8463] ? __pfx___sys_socket+0x10/0x10 [ 1319.120928][ T8463] ? do_user_addr_fault+0x374/0xe30 [ 1319.121087][ T8463] __x64_sys_setsockopt+0xbd/0x160 [ 1319.121329][ T8463] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1319.121526][ T8463] do_syscall_64+0xc1/0x1d0 [ 1319.121685][ T8463] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1319.121885][ T8463] RIP: 0033:0x7fc143e1491e [ 1319.122051][ T8463] 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 [ 1319.122584][ T8463] RSP: 002b:00007ffd50c68e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1319.122823][ T8463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc143e1491e [ 1319.123053][ T8463] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1319.123286][ T8463] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1319.123693][ T8463] R10: 00007ffd50c68e5c R11: 0000000000000246 R12: 0000000000000000 [ 1319.123927][ T8463] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc143f19000 [ 1319.124167][ T8463] [ 1319.128262][ T8463] veth0: entered allmulticast mode [ 1319.128866][ T8463] veth1: entered allmulticast mode [ 1319.129210][ T8463] veth2: entered allmulticast mode [ 1319.129543][ T8463] veth3: entered allmulticast mode [ 1319.129891][ T8463] veth4: entered allmulticast mode [ 1319.130221][ T8463] veth5: entered allmulticast mode [ 1344.927784][ T8463] veth0: left allmulticast mode [ 1344.928171][ T8463] veth1: left allmulticast mode [ 1344.928409][ T8463] veth2: left allmulticast mode [ 1344.928646][ T8463] veth3: left allmulticast mode [ 1344.928888][ T8463] veth4: left allmulticast mode [ 1344.929128][ T8463] veth5: left allmulticast mode