[ 11.219156][ T279] [ 11.219282][ T279] ============================= [ 11.219471][ T279] WARNING: suspicious RCU usage [ 11.219633][ T279] 6.12.0-rc7-virtme #1 Not tainted [ 11.219795][ T279] ----------------------------- [ 11.219957][ T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.220203][ T279] [ 11.220203][ T279] other info that might help us debug this: [ 11.220203][ T279] [ 11.220530][ T279] [ 11.220530][ T279] rcu_scheduler_active = 2, debug_locks = 1 [ 11.220774][ T279] no locks held by smcrouted/279. [ 11.220947][ T279] [ 11.220947][ T279] stack backtrace: [ 11.221146][ T279] CPU: 0 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 11.221394][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.221602][ T279] Call Trace: [ 11.221727][ T279] <TASK> [ 11.221814][ T279] dump_stack_lvl+0xb0/0xd0 [ 11.221990][ T279] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.222166][ T279] ip6mr_get_table+0x142/0x190 [ 11.222339][ T279] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.222527][ T279] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.222740][ T279] ? __lock_release+0x103/0x460 [ 11.222903][ T279] ? __might_fault+0x11b/0x170 [ 11.223077][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 11.223253][ T279] ? __might_fault+0xc3/0x170 [ 11.223415][ T279] ? lock_acquire+0x32/0xc0 [ 11.223575][ T279] ? __might_fault+0xc3/0x170 [ 11.223744][ T279] ? __might_fault+0x11b/0x170 [ 11.223916][ T279] do_ipv6_setsockopt+0x705/0x34e0 [ 11.224093][ T279] ? __lock_release+0x10/0x460 [ 11.224263][ T279] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.224429][ T279] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 11.224606][ T279] ? rcu_read_lock_any_held+0x43/0xb0 [ 11.224782][ T279] ? validate_chain+0x1fe/0xae0 [ 11.224956][ T279] ? is_bpf_text_address+0x67/0x120 [ 11.225131][ T279] ? __pfx_validate_chain+0x10/0x10 [ 11.225299][ T279] ? hlock_class+0x4e/0x130 [ 11.225467][ T279] ? mark_lock+0x38/0x3e0 [ 11.225600][ T279] ? __lock_acquire+0xb3f/0x1580 [ 11.225774][ T279] ? find_held_lock+0x2c/0x110 [ 11.225951][ T279] ? ipv6_setsockopt+0x7f/0xe0 [ 11.226116][ T279] ipv6_setsockopt+0x7f/0xe0 [ 11.226278][ T279] rawv6_setsockopt+0xb7/0x550 [ 11.226440][ T279] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.226604][ T279] ? __lock_acquire+0xb3f/0x1580 [ 11.226777][ T279] ? kfree+0x2d/0x340 [ 11.226914][ T279] do_sock_setsockopt+0x149/0x3a0 [ 11.227091][ T279] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.227253][ T279] ? __lock_release+0x103/0x460 [ 11.227415][ T279] ? fd_install+0x1d1/0x5a0 [ 11.227581][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 11.227742][ T279] ? fdget+0x52/0x1e0 [ 11.227866][ T279] __sys_setsockopt+0x104/0x1a0 [ 11.228029][ T279] ? __pfx___sys_setsockopt+0x10/0x10 [ 11.228193][ T279] ? __sys_socket+0x168/0x1e0 [ 11.228351][ T279] ? __pfx___sys_socket+0x10/0x10 [ 11.228511][ T279] ? do_user_addr_fault+0x374/0xe30 [ 11.228677][ T279] __x64_sys_setsockopt+0xbd/0x160 [ 11.228838][ T279] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.229033][ T279] do_syscall_64+0xc1/0x1d0 [ 11.229196][ T279] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.229396][ T279] RIP: 0033:0x7f60ebde891e [ 11.229565][ T279] 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 [ 11.230124][ T279] RSP: 002b:00007fff63557f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.230364][ T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60ebde891e [ 11.230609][ T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.230848][ T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.231086][ T279] R10: 00007fff63557f5c R11: 0000000000000246 R12: 0000000000000000 [ 11.231326][ T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f60ebeed000 [ 11.231579][ T279] </TASK> [ 11.235122][ T279] veth0: entered allmulticast mode [ 11.235702][ T279] veth1: entered allmulticast mode [ 11.236027][ T279] veth2: entered allmulticast mode [ 11.236338][ T279] veth3: entered allmulticast mode [ 22.521821][ T366] GACT probability NOT on [ 23.270396][ T386] tc (386) used greatest stack depth: 23544 bytes left [ 29.467220][ T279] veth0: left allmulticast mode [ 29.467790][ T279] veth1: left allmulticast mode [ 29.468024][ T279] veth2: left allmulticast mode [ 29.468253][ T279] veth3: left allmulticast mode