[ 11.245706][ T282] [ 11.245842][ T282] ============================= [ 11.246023][ T282] WARNING: suspicious RCU usage [ 11.246206][ T282] 6.12.0-virtme #1 Not tainted [ 11.246377][ T282] ----------------------------- [ 11.246554][ T282] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.246805][ T282] [ 11.246805][ T282] other info that might help us debug this: [ 11.246805][ T282] [ 11.247132][ T282] [ 11.247132][ T282] rcu_scheduler_active = 2, debug_locks = 1 [ 11.247377][ T282] no locks held by smcrouted/282. [ 11.247557][ T282] [ 11.247557][ T282] stack backtrace: [ 11.247765][ T282] CPU: 0 UID: 0 PID: 282 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 11.248021][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.248230][ T282] Call Trace: [ 11.248361][ T282] [ 11.248453][ T282] dump_stack_lvl+0xb0/0xd0 [ 11.248636][ T282] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.248813][ T282] ip6mr_get_table+0x142/0x190 [ 11.248985][ T282] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.249160][ T282] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.249381][ T282] ? __lock_release+0x103/0x460 [ 11.249553][ T282] ? __might_fault+0x11b/0x170 [ 11.249730][ T282] ? trace_lock_acquire+0x14d/0x1f0 [ 11.249903][ T282] ? __might_fault+0xc3/0x170 [ 11.250071][ T282] ? lock_acquire+0x32/0xc0 [ 11.250243][ T282] ? __might_fault+0xc3/0x170 [ 11.250415][ T282] ? __might_fault+0x11b/0x170 [ 11.250595][ T282] do_ipv6_setsockopt+0x705/0x34e0 [ 11.250768][ T282] ? validate_chain+0x130/0xae0 [ 11.250941][ T282] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.251117][ T282] ? __pfx_validate_chain+0x10/0x10 [ 11.251286][ T282] ? hlock_class+0x4e/0x130 [ 11.251465][ T282] ? mark_lock+0x38/0x3e0 [ 11.251601][ T282] ? __lock_acquire+0xb9a/0x1680 [ 11.251783][ T282] ? find_held_lock+0x2c/0x110 [ 11.251956][ T282] ? __lock_release+0x103/0x460 [ 11.252127][ T282] ? __create_object+0x5e/0xb0 [ 11.252300][ T282] ? __pfx___lock_release+0x10/0x10 [ 11.252474][ T282] ? __pfx_validate_chain+0x10/0x10 [ 11.252650][ T282] ? hlock_class+0x4e/0x130 [ 11.252821][ T282] ? mark_lock+0x38/0x3e0 [ 11.252955][ T282] ? ipv6_setsockopt+0x7f/0xe0 [ 11.253126][ T282] ipv6_setsockopt+0x7f/0xe0 [ 11.253296][ T282] rawv6_setsockopt+0xb7/0x550 [ 11.253465][ T282] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.253632][ T282] ? find_held_lock+0x2c/0x110 [ 11.253800][ T282] ? kfree+0x2d/0x340 [ 11.253930][ T282] ? __lock_release+0x103/0x460 [ 11.254096][ T282] ? fd_install+0x1d1/0x5a0 [ 11.254271][ T282] do_sock_setsockopt+0x149/0x3a0 [ 11.254443][ T282] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.254627][ T282] __sys_setsockopt+0xec/0x160 [ 11.254800][ T282] __x64_sys_setsockopt+0xbd/0x160 [ 11.254968][ T282] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.255177][ T282] do_syscall_64+0xc1/0x1d0 [ 11.255349][ T282] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.255563][ T282] RIP: 0033:0x7f7a35c2e91e [ 11.255742][ T282] 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 [ 11.256329][ T282] RSP: 002b:00007ffd296464c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.256586][ T282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7a35c2e91e [ 11.256834][ T282] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.257087][ T282] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.257340][ T282] R10: 00007ffd296464ec R11: 0000000000000246 R12: 0000000000000000 [ 11.257589][ T282] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7a35d33000 [ 11.257857][ T282] [ 11.260470][ T282] veth0: entered allmulticast mode [ 11.261191][ T282] veth1: entered allmulticast mode [ 11.261557][ T282] veth2: entered allmulticast mode [ 11.261883][ T282] veth3: entered allmulticast mode [ 22.514354][ T370] GACT probability NOT on [ 29.169410][ T282] veth0: left allmulticast mode [ 29.169707][ T282] veth1: left allmulticast mode [ 29.169928][ T282] veth2: left allmulticast mode [ 29.170144][ T282] veth3: left allmulticast mode