[ 272.592073][ T2914] [ 272.592323][ T2914] ============================= [ 272.592499][ T2914] WARNING: suspicious RCU usage [ 272.592672][ T2914] 6.12.0-rc6-virtme #1 Not tainted [ 272.592842][ T2914] ----------------------------- [ 272.593012][ T2914] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 272.593275][ T2914] [ 272.593275][ T2914] other info that might help us debug this: [ 272.593275][ T2914] [ 272.593596][ T2914] [ 272.593596][ T2914] rcu_scheduler_active = 2, debug_locks = 1 [ 272.593880][ T2914] no locks held by smcrouted/2914. [ 272.594051][ T2914] [ 272.594051][ T2914] stack backtrace: [ 272.594274][ T2914] CPU: 2 UID: 0 PID: 2914 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 272.594555][ T2914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 272.594756][ T2914] Call Trace: [ 272.594882][ T2914] [ 272.594970][ T2914] dump_stack_lvl+0xb0/0xd0 [ 272.595145][ T2914] lockdep_rcu_suspicious+0x1ea/0x280 [ 272.595309][ T2914] ip6mr_get_table+0x142/0x190 [ 272.595474][ T2914] ip6_mroute_setsockopt+0x185/0x12d0 [ 272.595635][ T2914] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 272.595835][ T2914] ? __lock_release+0x103/0x460 [ 272.595994][ T2914] ? __might_fault+0x11b/0x170 [ 272.596159][ T2914] ? trace_lock_acquire+0x14d/0x1f0 [ 272.596322][ T2914] ? __might_fault+0xc3/0x170 [ 272.596478][ T2914] ? lock_acquire+0x32/0xc0 [ 272.596637][ T2914] ? __might_fault+0xc3/0x170 [ 272.596803][ T2914] ? __might_fault+0x11b/0x170 [ 272.596966][ T2914] do_ipv6_setsockopt+0x705/0x34e0 [ 272.597128][ T2914] ? __lock_release+0xe0/0x460 [ 272.597292][ T2914] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 272.597448][ T2914] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 272.597607][ T2914] ? rcu_read_lock_any_held+0x43/0xb0 [ 272.597767][ T2914] ? validate_chain+0x1fe/0xae0 [ 272.597926][ T2914] ? is_bpf_text_address+0x67/0x120 [ 272.598092][ T2914] ? __pfx_validate_chain+0x10/0x10 [ 272.598247][ T2914] ? hlock_class+0x4e/0x130 [ 272.598405][ T2914] ? mark_lock+0x38/0x3e0 [ 272.598526][ T2914] ? __lock_acquire+0xb3f/0x1580 [ 272.598697][ T2914] ? find_held_lock+0x2c/0x110 [ 272.598864][ T2914] ? ipv6_setsockopt+0x7f/0xe0 [ 272.599021][ T2914] ipv6_setsockopt+0x7f/0xe0 [ 272.599179][ T2914] rawv6_setsockopt+0xb7/0x550 [ 272.599338][ T2914] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 272.599497][ T2914] ? __lock_acquire+0xb3f/0x1580 [ 272.599661][ T2914] ? kfree+0x2d/0x340 [ 272.599798][ T2914] do_sock_setsockopt+0x149/0x3a0 [ 272.599963][ T2914] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 272.600121][ T2914] ? __lock_release+0x103/0x460 [ 272.600276][ T2914] ? fd_install+0x1d1/0x5a0 [ 272.600441][ T2914] ? trace_lock_acquire+0x14d/0x1f0 [ 272.600607][ T2914] ? fdget+0x52/0x1e0 [ 272.600733][ T2914] __sys_setsockopt+0x104/0x1a0 [ 272.600894][ T2914] ? __pfx___sys_setsockopt+0x10/0x10 [ 272.601051][ T2914] ? __sys_socket+0x168/0x1e0 [ 272.601212][ T2914] ? __pfx___sys_socket+0x10/0x10 [ 272.601369][ T2914] ? do_user_addr_fault+0x374/0xe30 [ 272.601533][ T2914] __x64_sys_setsockopt+0xbd/0x160 [ 272.601687][ T2914] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 272.601881][ T2914] do_syscall_64+0xc1/0x1d0 [ 272.602041][ T2914] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.602244][ T2914] RIP: 0033:0x7f012aeea91e [ 272.602419][ T2914] 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 [ 272.602971][ T2914] RSP: 002b:00007ffd9a6739c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 272.603209][ T2914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f012aeea91e [ 272.603471][ T2914] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 272.603706][ T2914] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 272.603940][ T2914] R10: 00007ffd9a6739ec R11: 0000000000000246 R12: 0000000000000000 [ 272.604175][ T2914] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f012afef000 [ 272.604423][ T2914] [ 272.608555][ T2914] veth0: entered allmulticast mode [ 272.609076][ T2914] veth1: entered allmulticast mode [ 272.609435][ T2914] veth2: entered allmulticast mode [ 272.609779][ T2914] veth3: entered allmulticast mode [ 272.610113][ T2914] veth4: entered allmulticast mode [ 272.610450][ T2914] veth5: entered allmulticast mode [ 298.960757][ T2914] veth0: left allmulticast mode [ 298.961204][ T2914] veth1: left allmulticast mode [ 298.961453][ T2914] veth2: left allmulticast mode [ 298.961692][ T2914] veth3: left allmulticast mode [ 298.961941][ T2914] veth4: left allmulticast mode [ 298.962196][ T2914] veth5: left allmulticast mode