[ 1285.303197][T15578] [ 1285.303416][T15578] ============================= [ 1285.303681][T15578] WARNING: suspicious RCU usage [ 1285.303972][T15578] 6.12.0-rc7-virtme #1 Not tainted [ 1285.304226][T15578] ----------------------------- [ 1285.304505][T15578] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1285.304918][T15578] [ 1285.304918][T15578] other info that might help us debug this: [ 1285.304918][T15578] [ 1285.305440][T15578] [ 1285.305440][T15578] rcu_scheduler_active = 2, debug_locks = 1 [ 1285.305799][T15578] no locks held by smcrouted/15578. [ 1285.306064][T15578] [ 1285.306064][T15578] stack backtrace: [ 1285.306403][T15578] CPU: 3 UID: 0 PID: 15578 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1285.306860][T15578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1285.307180][T15578] Call Trace: [ 1285.307377][T15578] <TASK> [ 1285.307520][T15578] dump_stack_lvl+0xb0/0xd0 [ 1285.307805][T15578] lockdep_rcu_suspicious+0x1ea/0x280 [ 1285.308071][T15578] ip6mr_get_table+0x142/0x190 [ 1285.308344][T15578] ip6_mroute_setsockopt+0x185/0x12d0 [ 1285.308618][T15578] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1285.308983][T15578] ? __lock_release+0x103/0x460 [ 1285.309238][T15578] ? __might_fault+0x11b/0x170 [ 1285.309512][T15578] ? trace_lock_acquire+0x14d/0x1f0 [ 1285.309781][T15578] ? __might_fault+0xc3/0x170 [ 1285.310031][T15578] ? lock_acquire+0x32/0xc0 [ 1285.310303][T15578] ? __might_fault+0xc3/0x170 [ 1285.310555][T15578] ? __might_fault+0x11b/0x170 [ 1285.310828][T15578] do_ipv6_setsockopt+0x705/0x34e0 [ 1285.311102][T15578] ? __lock_release+0x10/0x460 [ 1285.311397][T15578] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1285.311624][T15578] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1285.311917][T15578] ? rcu_read_lock_any_held+0x43/0xb0 [ 1285.312207][T15578] ? validate_chain+0x1fe/0xae0 [ 1285.312486][T15578] ? is_bpf_text_address+0x67/0x120 [ 1285.312739][T15578] ? __pfx_validate_chain+0x10/0x10 [ 1285.313013][T15578] ? hlock_class+0x4e/0x130 [ 1285.313246][T15578] ? mark_lock+0x38/0x3e0 [ 1285.313456][T15578] ? __lock_acquire+0xb3f/0x1580 [ 1285.313691][T15578] ? find_held_lock+0x2c/0x110 [ 1285.313969][T15578] ? ipv6_setsockopt+0x7f/0xe0 [ 1285.314219][T15578] ipv6_setsockopt+0x7f/0xe0 [ 1285.314444][T15578] rawv6_setsockopt+0xb7/0x550 [ 1285.314713][T15578] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1285.314975][T15578] ? __lock_acquire+0xb3f/0x1580 [ 1285.315240][T15578] ? kfree+0x2d/0x340 [ 1285.315471][T15578] do_sock_setsockopt+0x149/0x3a0 [ 1285.315736][T15578] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1285.315998][T15578] ? __lock_release+0x103/0x460 [ 1285.316259][T15578] ? fd_install+0x1d1/0x5a0 [ 1285.316537][T15578] ? trace_lock_acquire+0x14d/0x1f0 [ 1285.316816][T15578] ? fdget+0x52/0x1e0 [ 1285.317036][T15578] __sys_setsockopt+0x104/0x1a0 [ 1285.317310][T15578] ? __pfx___sys_setsockopt+0x10/0x10 [ 1285.317593][T15578] ? __sys_socket+0x168/0x1e0 [ 1285.317867][T15578] ? __pfx___sys_socket+0x10/0x10 [ 1285.318146][T15578] ? do_user_addr_fault+0x374/0xe30 [ 1285.318436][T15578] __x64_sys_setsockopt+0xbd/0x160 [ 1285.318703][T15578] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1285.319050][T15578] do_syscall_64+0xc1/0x1d0 [ 1285.319334][T15578] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1285.319583][T15578] RIP: 0033:0x7f132a77291e [ 1285.319878][T15578] 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 [ 1285.320776][T15578] RSP: 002b:00007fffb3c768c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1285.321141][T15578] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f132a77291e [ 1285.321569][T15578] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1285.321958][T15578] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1285.322361][T15578] R10: 00007fffb3c768ec R11: 0000000000000246 R12: 0000000000000000 [ 1285.322801][T15578] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f132a877000 [ 1285.323237][T15578] </TASK> [ 1285.327762][T15578] veth0: entered allmulticast mode [ 1285.329584][T15578] veth1: entered allmulticast mode [ 1285.330159][T15578] veth2: entered allmulticast mode [ 1285.330747][T15578] veth3: entered allmulticast mode [ 1304.075519][T15578] veth0: left allmulticast mode [ 1304.075921][T15578] veth1: left allmulticast mode [ 1304.076242][T15578] veth2: left allmulticast mode [ 1304.076585][T15578] veth3: left allmulticast mode