[ 192.604481][ T1998] [ 192.604631][ T1998] ============================= [ 192.604804][ T1998] WARNING: suspicious RCU usage [ 192.604964][ T1998] 6.12.0-rc6-virtme #1 Not tainted [ 192.605124][ T1998] ----------------------------- [ 192.605282][ T1998] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 192.605540][ T1998] [ 192.605540][ T1998] other info that might help us debug this: [ 192.605540][ T1998] [ 192.605889][ T1998] [ 192.605889][ T1998] rcu_scheduler_active = 2, debug_locks = 1 [ 192.606124][ T1998] no locks held by smcrouted/1998. [ 192.606290][ T1998] [ 192.606290][ T1998] stack backtrace: [ 192.606501][ T1998] CPU: 0 UID: 0 PID: 1998 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 192.606780][ T1998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 192.606994][ T1998] Call Trace: [ 192.607120][ T1998] [ 192.607207][ T1998] dump_stack_lvl+0xb0/0xd0 [ 192.607378][ T1998] lockdep_rcu_suspicious+0x1ea/0x280 [ 192.607545][ T1998] ip6mr_get_table+0x142/0x190 [ 192.607720][ T1998] ip6_mroute_setsockopt+0x185/0x12d0 [ 192.607881][ T1998] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 192.608095][ T1998] ? __lock_release+0x103/0x460 [ 192.608265][ T1998] ? __might_fault+0x11b/0x170 [ 192.608463][ T1998] ? trace_lock_acquire+0x14d/0x1f0 [ 192.608653][ T1998] ? __might_fault+0xc3/0x170 [ 192.608825][ T1998] ? lock_acquire+0x32/0xc0 [ 192.609005][ T1998] ? __might_fault+0xc3/0x170 [ 192.609178][ T1998] ? __might_fault+0x11b/0x170 [ 192.609357][ T1998] do_ipv6_setsockopt+0x705/0x34e0 [ 192.609535][ T1998] ? __lock_release+0xe0/0x460 [ 192.609719][ T1998] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 192.609890][ T1998] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 192.610062][ T1998] ? rcu_read_lock_any_held+0x43/0xb0 [ 192.610246][ T1998] ? validate_chain+0x1fe/0xae0 [ 192.610418][ T1998] ? is_bpf_text_address+0x67/0x120 [ 192.610614][ T1998] ? __pfx_validate_chain+0x10/0x10 [ 192.610788][ T1998] ? hlock_class+0x4e/0x130 [ 192.610959][ T1998] ? mark_lock+0x38/0x3e0 [ 192.611097][ T1998] ? __lock_acquire+0xb3f/0x1580 [ 192.611282][ T1998] ? find_held_lock+0x2c/0x110 [ 192.611464][ T1998] ? ipv6_setsockopt+0x7f/0xe0 [ 192.611634][ T1998] ipv6_setsockopt+0x7f/0xe0 [ 192.611807][ T1998] rawv6_setsockopt+0xb7/0x550 [ 192.611979][ T1998] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 192.612149][ T1998] ? __lock_acquire+0xb3f/0x1580 [ 192.612322][ T1998] ? kfree+0x2d/0x340 [ 192.612460][ T1998] do_sock_setsockopt+0x149/0x3a0 [ 192.612637][ T1998] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 192.612811][ T1998] ? __lock_release+0x103/0x460 [ 192.612973][ T1998] ? fd_install+0x1d1/0x5a0 [ 192.613136][ T1998] ? trace_lock_acquire+0x14d/0x1f0 [ 192.613294][ T1998] ? fdget+0x52/0x1e0 [ 192.613418][ T1998] __sys_setsockopt+0x104/0x1a0 [ 192.613581][ T1998] ? __pfx___sys_setsockopt+0x10/0x10 [ 192.613738][ T1998] ? __sys_socket+0x168/0x1e0 [ 192.613901][ T1998] ? __pfx___sys_socket+0x10/0x10 [ 192.614064][ T1998] ? do_user_addr_fault+0x374/0xe30 [ 192.614236][ T1998] __x64_sys_setsockopt+0xbd/0x160 [ 192.614395][ T1998] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 192.614602][ T1998] do_syscall_64+0xc1/0x1d0 [ 192.614766][ T1998] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 192.614969][ T1998] RIP: 0033:0x7f92e8f2391e [ 192.615137][ T1998] 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 [ 192.615682][ T1998] RSP: 002b:00007fff80673f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 192.615925][ T1998] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92e8f2391e [ 192.616161][ T1998] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 192.616398][ T1998] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 192.616643][ T1998] R10: 00007fff80673fbc R11: 0000000000000246 R12: 0000000000000000 [ 192.616878][ T1998] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f92e9028000 [ 192.617129][ T1998] [ 192.622168][ T1998] veth0: entered allmulticast mode [ 192.624069][ T1998] veth1: entered allmulticast mode [ 192.624430][ T1998] veth2: entered allmulticast mode [ 192.624751][ T1998] veth3: entered allmulticast mode [ 192.625063][ T1998] veth4: entered allmulticast mode [ 192.625395][ T1998] veth5: entered allmulticast mode [ 219.411916][ T1998] veth0: left allmulticast mode [ 219.412299][ T1998] veth1: left allmulticast mode [ 219.412597][ T1998] veth2: left allmulticast mode [ 219.412881][ T1998] veth3: left allmulticast mode [ 219.413158][ T1998] veth4: left allmulticast mode [ 219.413447][ T1998] veth5: left allmulticast mode