[ 1254.298758][T17794] [ 1254.298920][T17794] ============================= [ 1254.299091][T17794] WARNING: suspicious RCU usage [ 1254.299269][T17794] 6.12.0-rc7-virtme #1 Not tainted [ 1254.299435][T17794] ----------------------------- [ 1254.299623][T17794] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1254.299879][T17794] [ 1254.299879][T17794] other info that might help us debug this: [ 1254.299879][T17794] [ 1254.300210][T17794] [ 1254.300210][T17794] rcu_scheduler_active = 2, debug_locks = 1 [ 1254.300472][T17794] no locks held by smcrouted/17794. [ 1254.300644][T17794] [ 1254.300644][T17794] stack backtrace: [ 1254.300847][T17794] CPU: 2 UID: 0 PID: 17794 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1254.301120][T17794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1254.301314][T17794] Call Trace: [ 1254.301437][T17794] [ 1254.301522][T17794] dump_stack_lvl+0xb0/0xd0 [ 1254.301685][T17794] lockdep_rcu_suspicious+0x1ea/0x280 [ 1254.301844][T17794] ip6mr_get_table+0x142/0x190 [ 1254.301998][T17794] ip6_mroute_setsockopt+0x185/0x12d0 [ 1254.302160][T17794] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1254.302367][T17794] ? __lock_release+0x103/0x460 [ 1254.302519][T17794] ? __might_fault+0x11b/0x170 [ 1254.302676][T17794] ? trace_lock_acquire+0x14d/0x1f0 [ 1254.302831][T17794] ? __might_fault+0xc3/0x170 [ 1254.302979][T17794] ? lock_acquire+0x32/0xc0 [ 1254.303133][T17794] ? __might_fault+0xc3/0x170 [ 1254.303301][T17794] ? __might_fault+0x11b/0x170 [ 1254.303457][T17794] do_ipv6_setsockopt+0x705/0x34e0 [ 1254.303627][T17794] ? __lock_release+0x10/0x460 [ 1254.303809][T17794] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1254.303966][T17794] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1254.304121][T17794] ? rcu_read_lock_any_held+0x43/0xb0 [ 1254.304280][T17794] ? validate_chain+0x1fe/0xae0 [ 1254.304437][T17794] ? is_bpf_text_address+0x67/0x120 [ 1254.304633][T17794] ? __pfx_validate_chain+0x10/0x10 [ 1254.304783][T17794] ? hlock_class+0x4e/0x130 [ 1254.304962][T17794] ? mark_lock+0x38/0x3e0 [ 1254.305082][T17794] ? __lock_acquire+0xb3f/0x1580 [ 1254.305245][T17794] ? find_held_lock+0x2c/0x110 [ 1254.305403][T17794] ? ipv6_setsockopt+0x7f/0xe0 [ 1254.305559][T17794] ipv6_setsockopt+0x7f/0xe0 [ 1254.305710][T17794] rawv6_setsockopt+0xb7/0x550 [ 1254.305872][T17794] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1254.306023][T17794] ? __lock_acquire+0xb3f/0x1580 [ 1254.306177][T17794] ? kfree+0x2d/0x340 [ 1254.306297][T17794] do_sock_setsockopt+0x149/0x3a0 [ 1254.306450][T17794] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1254.306603][T17794] ? __lock_release+0x103/0x460 [ 1254.306752][T17794] ? fd_install+0x1d1/0x5a0 [ 1254.306915][T17794] ? trace_lock_acquire+0x14d/0x1f0 [ 1254.307070][T17794] ? fdget+0x52/0x1e0 [ 1254.307190][T17794] __sys_setsockopt+0x104/0x1a0 [ 1254.307345][T17794] ? __pfx___sys_setsockopt+0x10/0x10 [ 1254.307499][T17794] ? __sys_socket+0x168/0x1e0 [ 1254.307653][T17794] ? __pfx___sys_socket+0x10/0x10 [ 1254.307809][T17794] ? do_user_addr_fault+0x374/0xe30 [ 1254.307966][T17794] __x64_sys_setsockopt+0xbd/0x160 [ 1254.308122][T17794] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1254.308309][T17794] do_syscall_64+0xc1/0x1d0 [ 1254.308465][T17794] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1254.308653][T17794] RIP: 0033:0x7fbac558691e [ 1254.308819][T17794] 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 [ 1254.309350][T17794] RSP: 002b:00007ffe4292faf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1254.309590][T17794] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbac558691e [ 1254.309819][T17794] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1254.310043][T17794] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1254.310269][T17794] R10: 00007ffe4292fb1c R11: 0000000000000246 R12: 0000000000000000 [ 1254.310500][T17794] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fbac568b000 [ 1254.310739][T17794] [ 1254.321414][T17794] veth0: entered allmulticast mode [ 1254.322014][T17794] veth1: entered allmulticast mode [ 1254.322374][T17794] veth2: entered allmulticast mode [ 1254.322738][T17794] veth3: entered allmulticast mode [ 1254.323089][T17794] veth4: entered allmulticast mode [ 1254.323441][T17794] veth5: entered allmulticast mode [ 1264.842304][T17880] GACT probability NOT on [ 1280.591195][T17794] veth0: left allmulticast mode [ 1280.591572][T17794] veth1: left allmulticast mode [ 1280.591823][T17794] veth2: left allmulticast mode [ 1280.592073][T17794] veth3: left allmulticast mode [ 1280.592329][T17794] veth4: left allmulticast mode [ 1280.592590][T17794] veth5: left allmulticast mode