[ 1236.678939][ T7728] [ 1236.679098][ T7728] ============================= [ 1236.679284][ T7728] WARNING: suspicious RCU usage [ 1236.679466][ T7728] 6.12.0-virtme #1 Not tainted [ 1236.679665][ T7728] ----------------------------- [ 1236.679841][ T7728] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1236.680098][ T7728] [ 1236.680098][ T7728] other info that might help us debug this: [ 1236.680098][ T7728] [ 1236.680438][ T7728] [ 1236.680438][ T7728] rcu_scheduler_active = 2, debug_locks = 1 [ 1236.680714][ T7728] no locks held by smcrouted/7728. [ 1236.680889][ T7728] [ 1236.680889][ T7728] stack backtrace: [ 1236.681107][ T7728] CPU: 0 UID: 0 PID: 7728 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 1236.681368][ T7728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1236.681613][ T7728] Call Trace: [ 1236.681752][ T7728] [ 1236.681855][ T7728] dump_stack_lvl+0xb0/0xd0 [ 1236.682040][ T7728] lockdep_rcu_suspicious+0x1ea/0x280 [ 1236.682229][ T7728] ip6mr_get_table+0x142/0x190 [ 1236.682409][ T7728] ip6_mroute_setsockopt+0x185/0x12d0 [ 1236.682596][ T7728] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1236.682825][ T7728] ? __lock_release+0x103/0x460 [ 1236.683007][ T7728] ? __might_fault+0x11b/0x170 [ 1236.683192][ T7728] ? trace_lock_acquire+0x14d/0x1f0 [ 1236.683376][ T7728] ? __might_fault+0xc3/0x170 [ 1236.683556][ T7728] ? lock_acquire+0x32/0xc0 [ 1236.683739][ T7728] ? __might_fault+0xc3/0x170 [ 1236.683916][ T7728] ? __might_fault+0x11b/0x170 [ 1236.684102][ T7728] do_ipv6_setsockopt+0x705/0x34e0 [ 1236.684285][ T7728] ? validate_chain+0x160/0xae0 [ 1236.684475][ T7728] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1236.684673][ T7728] ? __pfx_validate_chain+0x10/0x10 [ 1236.684853][ T7728] ? hlock_class+0x4e/0x130 [ 1236.685029][ T7728] ? mark_lock+0x38/0x3e0 [ 1236.685170][ T7728] ? __lock_acquire+0xb9a/0x1680 [ 1236.685360][ T7728] ? find_held_lock+0x2c/0x110 [ 1236.685551][ T7728] ? __lock_release+0x103/0x460 [ 1236.685729][ T7728] ? __create_object+0x5e/0xb0 [ 1236.685915][ T7728] ? __pfx___lock_release+0x10/0x10 [ 1236.686094][ T7728] ? __pfx_validate_chain+0x10/0x10 [ 1236.686266][ T7728] ? hlock_class+0x4e/0x130 [ 1236.686442][ T7728] ? mark_lock+0x38/0x3e0 [ 1236.686592][ T7728] ? ipv6_setsockopt+0x7f/0xe0 [ 1236.686774][ T7728] ipv6_setsockopt+0x7f/0xe0 [ 1236.686960][ T7728] rawv6_setsockopt+0xb7/0x550 [ 1236.687142][ T7728] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1236.687319][ T7728] ? find_held_lock+0x2c/0x110 [ 1236.687502][ T7728] ? kfree+0x2d/0x340 [ 1236.687640][ T7728] ? __lock_release+0x103/0x460 [ 1236.687812][ T7728] ? fd_install+0x1d1/0x5a0 [ 1236.688012][ T7728] do_sock_setsockopt+0x149/0x3a0 [ 1236.688198][ T7728] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1236.688439][ T7728] __sys_setsockopt+0xec/0x160 [ 1236.688673][ T7728] __x64_sys_setsockopt+0xbd/0x160 [ 1236.688911][ T7728] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1236.689218][ T7728] do_syscall_64+0xc1/0x1d0 [ 1236.689524][ T7728] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1236.689839][ T7728] RIP: 0033:0x7f0ff87a791e [ 1236.690062][ T7728] 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 [ 1236.690875][ T7728] RSP: 002b:00007fff09c2e9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1236.691229][ T7728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ff87a791e [ 1236.691549][ T7728] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1236.691841][ T7728] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1236.692198][ T7728] R10: 00007fff09c2ea0c R11: 0000000000000246 R12: 0000000000000000 [ 1236.692458][ T7728] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0ff88ac000 [ 1236.692747][ T7728] [ 1236.698678][ T7728] veth0: entered allmulticast mode [ 1236.699315][ T7728] veth1: entered allmulticast mode [ 1236.699690][ T7728] veth2: entered allmulticast mode [ 1236.700039][ T7728] veth3: entered allmulticast mode [ 1236.700371][ T7728] veth4: entered allmulticast mode [ 1236.700718][ T7728] veth5: entered allmulticast mode [ 1264.307211][ T7728] veth0: left allmulticast mode [ 1264.307790][ T7728] veth1: left allmulticast mode [ 1264.308285][ T7728] veth2: left allmulticast mode [ 1264.309188][ T7728] veth3: left allmulticast mode [ 1264.309659][ T7728] veth4: left allmulticast mode [ 1264.310130][ T7728] veth5: left allmulticast mode