[ 1246.802153][T13153] [ 1246.802311][T13153] ============================= [ 1246.802484][T13153] WARNING: suspicious RCU usage [ 1246.802647][T13153] 6.12.0-rc6-virtme #1 Not tainted [ 1246.802803][T13153] ----------------------------- [ 1246.802962][T13153] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1246.803251][T13153] [ 1246.803251][T13153] other info that might help us debug this: [ 1246.803251][T13153] [ 1246.803590][T13153] [ 1246.803590][T13153] rcu_scheduler_active = 2, debug_locks = 1 [ 1246.803821][T13153] no locks held by smcrouted/13153. [ 1246.803979][T13153] [ 1246.803979][T13153] stack backtrace: [ 1246.804173][T13153] CPU: 3 UID: 0 PID: 13153 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1246.804471][T13153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1246.804671][T13153] Call Trace: [ 1246.804795][T13153] [ 1246.804882][T13153] dump_stack_lvl+0xb0/0xd0 [ 1246.805052][T13153] lockdep_rcu_suspicious+0x1ea/0x280 [ 1246.805222][T13153] ip6mr_get_table+0x142/0x190 [ 1246.805384][T13153] ip6_mroute_setsockopt+0x185/0x12d0 [ 1246.805560][T13153] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1246.805768][T13153] ? __lock_release+0x103/0x460 [ 1246.805927][T13153] ? __might_fault+0x11b/0x170 [ 1246.806087][T13153] ? trace_lock_acquire+0x14d/0x1f0 [ 1246.806250][T13153] ? __might_fault+0xc3/0x170 [ 1246.806407][T13153] ? lock_acquire+0x32/0xc0 [ 1246.806585][T13153] ? __might_fault+0xc3/0x170 [ 1246.806748][T13153] ? __might_fault+0x11b/0x170 [ 1246.806919][T13153] do_ipv6_setsockopt+0x705/0x34e0 [ 1246.807085][T13153] ? __lock_release+0xe0/0x460 [ 1246.807253][T13153] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1246.807419][T13153] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1246.807598][T13153] ? rcu_read_lock_any_held+0x43/0xb0 [ 1246.807757][T13153] ? validate_chain+0x1fe/0xae0 [ 1246.807919][T13153] ? is_bpf_text_address+0x67/0x120 [ 1246.808081][T13153] ? __pfx_validate_chain+0x10/0x10 [ 1246.808236][T13153] ? hlock_class+0x4e/0x130 [ 1246.808397][T13153] ? mark_lock+0x38/0x3e0 [ 1246.808533][T13153] ? __lock_acquire+0xb3f/0x1580 [ 1246.808699][T13153] ? find_held_lock+0x2c/0x110 [ 1246.808871][T13153] ? ipv6_setsockopt+0x7f/0xe0 [ 1246.809025][T13153] ipv6_setsockopt+0x7f/0xe0 [ 1246.809186][T13153] rawv6_setsockopt+0xb7/0x550 [ 1246.809348][T13153] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1246.809513][T13153] ? __lock_acquire+0xb3f/0x1580 [ 1246.809674][T13153] ? kfree+0x2d/0x340 [ 1246.809823][T13153] do_sock_setsockopt+0x149/0x3a0 [ 1246.809985][T13153] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1246.810151][T13153] ? __lock_release+0x103/0x460 [ 1246.810307][T13153] ? fd_install+0x1d1/0x5a0 [ 1246.810484][T13153] ? trace_lock_acquire+0x14d/0x1f0 [ 1246.810670][T13153] ? fdget+0x52/0x1e0 [ 1246.810801][T13153] __sys_setsockopt+0x104/0x1a0 [ 1246.810961][T13153] ? __pfx___sys_setsockopt+0x10/0x10 [ 1246.811121][T13153] ? __sys_socket+0x168/0x1e0 [ 1246.811282][T13153] ? __pfx___sys_socket+0x10/0x10 [ 1246.811443][T13153] ? do_user_addr_fault+0x374/0xe30 [ 1246.811622][T13153] __x64_sys_setsockopt+0xbd/0x160 [ 1246.811781][T13153] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1246.811991][T13153] do_syscall_64+0xc1/0x1d0 [ 1246.812156][T13153] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1246.812359][T13153] RIP: 0033:0x7f0ec8af991e [ 1246.812547][T13153] 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 [ 1246.813136][T13153] RSP: 002b:00007ffe221254f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1246.813376][T13153] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ec8af991e [ 1246.813660][T13153] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1246.813901][T13153] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1246.814148][T13153] R10: 00007ffe2212551c R11: 0000000000000246 R12: 0000000000000000 [ 1246.814387][T13153] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0ec8bfe000 [ 1246.814651][T13153] [ 1246.819279][T13153] veth0: entered allmulticast mode [ 1246.819812][T13153] veth1: entered allmulticast mode [ 1246.820154][T13153] veth2: entered allmulticast mode [ 1246.820500][T13153] veth3: entered allmulticast mode [ 1246.820830][T13153] veth4: entered allmulticast mode [ 1246.821152][T13153] veth5: entered allmulticast mode [ 1273.408957][T13153] veth0: left allmulticast mode [ 1273.409364][T13153] veth1: left allmulticast mode [ 1273.409635][T13153] veth2: left allmulticast mode [ 1273.409890][T13153] veth3: left allmulticast mode [ 1273.410133][T13153] veth4: left allmulticast mode [ 1273.410488][T13153] veth5: left allmulticast mode