[ 11.195646][ T280] [ 11.195818][ T280] ============================= [ 11.196002][ T280] WARNING: suspicious RCU usage [ 11.196190][ T280] 6.12.0-rc7-virtme #1 Not tainted [ 11.196375][ T280] ----------------------------- [ 11.196564][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.196818][ T280] [ 11.196818][ T280] other info that might help us debug this: [ 11.196818][ T280] [ 11.197149][ T280] [ 11.197149][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 11.197439][ T280] no locks held by smcrouted/280. [ 11.197616][ T280] [ 11.197616][ T280] stack backtrace: [ 11.197834][ T280] CPU: 2 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 11.198080][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.198283][ T280] Call Trace: [ 11.198411][ T280] [ 11.198501][ T280] dump_stack_lvl+0xb0/0xd0 [ 11.198672][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.198837][ T280] ip6mr_get_table+0x142/0x190 [ 11.198999][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.199167][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.199375][ T280] ? __lock_release+0x103/0x460 [ 11.199540][ T280] ? __might_fault+0x11b/0x170 [ 11.199702][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 11.199878][ T280] ? __might_fault+0xc3/0x170 [ 11.200046][ T280] ? lock_acquire+0x32/0xc0 [ 11.200207][ T280] ? __might_fault+0xc3/0x170 [ 11.200367][ T280] ? __might_fault+0x11b/0x170 [ 11.200536][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 11.200699][ T280] ? __lock_release+0x10/0x460 [ 11.200861][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.201034][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 11.201206][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 11.201370][ T280] ? validate_chain+0x1fe/0xae0 [ 11.201531][ T280] ? is_bpf_text_address+0x67/0x120 [ 11.201697][ T280] ? __pfx_validate_chain+0x10/0x10 [ 11.201856][ T280] ? hlock_class+0x4e/0x130 [ 11.202020][ T280] ? mark_lock+0x38/0x3e0 [ 11.202146][ T280] ? __lock_acquire+0xb3f/0x1580 [ 11.202318][ T280] ? find_held_lock+0x2c/0x110 [ 11.202501][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 11.202676][ T280] ipv6_setsockopt+0x7f/0xe0 [ 11.202834][ T280] rawv6_setsockopt+0xb7/0x550 [ 11.202994][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.203151][ T280] ? __lock_acquire+0xb3f/0x1580 [ 11.203310][ T280] ? kfree+0x2d/0x340 [ 11.203436][ T280] do_sock_setsockopt+0x149/0x3a0 [ 11.203593][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.203753][ T280] ? __lock_release+0x103/0x460 [ 11.203915][ T280] ? fd_install+0x1d1/0x5a0 [ 11.204076][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 11.204236][ T280] ? fdget+0x52/0x1e0 [ 11.204362][ T280] __sys_setsockopt+0x104/0x1a0 [ 11.204523][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 11.204681][ T280] ? __sys_socket+0x168/0x1e0 [ 11.204835][ T280] ? __pfx___sys_socket+0x10/0x10 [ 11.204990][ T280] ? do_user_addr_fault+0x374/0xe30 [ 11.205153][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 11.205309][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.205504][ T280] do_syscall_64+0xc1/0x1d0 [ 11.205661][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.205856][ T280] RIP: 0033:0x7f1ee8a1191e [ 11.206023][ T280] 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 [ 11.206577][ T280] RSP: 002b:00007ffdf618ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.206824][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ee8a1191e [ 11.207065][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.207307][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.207549][ T280] R10: 00007ffdf618acac R11: 0000000000000246 R12: 0000000000000000 [ 11.207795][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1ee8b16000 [ 11.208052][ T280] [ 11.210304][ T280] veth0: entered allmulticast mode [ 11.210917][ T280] veth1: entered allmulticast mode [ 11.211278][ T280] veth2: entered allmulticast mode [ 11.211629][ T280] veth3: entered allmulticast mode [ 22.463835][ T368] GACT probability NOT on [ 27.370712][ T484] ip (484) used greatest stack depth: 23760 bytes left [ 29.258591][ T280] veth0: left allmulticast mode [ 29.258896][ T280] veth1: left allmulticast mode [ 29.259127][ T280] veth2: left allmulticast mode [ 29.259351][ T280] veth3: left allmulticast mode