[ 1242.684616][T13163] [ 1242.684797][T13163] ============================= [ 1242.684983][T13163] WARNING: suspicious RCU usage [ 1242.685166][T13163] 6.12.0-rc7-virtme #1 Not tainted [ 1242.685741][T13163] ----------------------------- [ 1242.685922][T13163] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1242.686167][T13163] [ 1242.686167][T13163] other info that might help us debug this: [ 1242.686167][T13163] [ 1242.686538][T13163] [ 1242.686538][T13163] rcu_scheduler_active = 2, debug_locks = 1 [ 1242.686791][T13163] no locks held by smcrouted/13163. [ 1242.686973][T13163] [ 1242.686973][T13163] stack backtrace: [ 1242.687187][T13163] CPU: 2 UID: 0 PID: 13163 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1242.687474][T13163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1242.687678][T13163] Call Trace: [ 1242.687806][T13163] [ 1242.687904][T13163] dump_stack_lvl+0xb0/0xd0 [ 1242.688074][T13163] lockdep_rcu_suspicious+0x1ea/0x280 [ 1242.688240][T13163] ip6mr_get_table+0x142/0x190 [ 1242.688415][T13163] ip6_mroute_setsockopt+0x185/0x12d0 [ 1242.688595][T13163] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1242.688822][T13163] ? __lock_release+0x103/0x460 [ 1242.688990][T13163] ? __might_fault+0x11b/0x170 [ 1242.689156][T13163] ? trace_lock_acquire+0x14d/0x1f0 [ 1242.689322][T13163] ? __might_fault+0xc3/0x170 [ 1242.689484][T13163] ? lock_acquire+0x32/0xc0 [ 1242.689650][T13163] ? __might_fault+0xc3/0x170 [ 1242.689812][T13163] ? __might_fault+0x11b/0x170 [ 1242.689983][T13163] do_ipv6_setsockopt+0x705/0x34e0 [ 1242.690159][T13163] ? __lock_release+0x10/0x460 [ 1242.690338][T13163] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1242.690501][T13163] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1242.690669][T13163] ? rcu_read_lock_any_held+0x43/0xb0 [ 1242.690828][T13163] ? validate_chain+0x1fe/0xae0 [ 1242.690987][T13163] ? is_bpf_text_address+0x67/0x120 [ 1242.691154][T13163] ? __pfx_validate_chain+0x10/0x10 [ 1242.691319][T13163] ? hlock_class+0x4e/0x130 [ 1242.691483][T13163] ? mark_lock+0x38/0x3e0 [ 1242.691610][T13163] ? __lock_acquire+0xb3f/0x1580 [ 1242.691781][T13163] ? find_held_lock+0x2c/0x110 [ 1242.691955][T13163] ? ipv6_setsockopt+0x7f/0xe0 [ 1242.692126][T13163] ipv6_setsockopt+0x7f/0xe0 [ 1242.692292][T13163] rawv6_setsockopt+0xb7/0x550 [ 1242.692457][T13163] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1242.692614][T13163] ? __lock_acquire+0xb3f/0x1580 [ 1242.692829][T13163] ? kfree+0x2d/0x340 [ 1242.692960][T13163] do_sock_setsockopt+0x149/0x3a0 [ 1242.693118][T13163] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1242.693271][T13163] ? __lock_release+0x103/0x460 [ 1242.693426][T13163] ? fd_install+0x1d1/0x5a0 [ 1242.693590][T13163] ? trace_lock_acquire+0x14d/0x1f0 [ 1242.693752][T13163] ? fdget+0x52/0x1e0 [ 1242.693873][T13163] __sys_setsockopt+0x104/0x1a0 [ 1242.694030][T13163] ? __pfx___sys_setsockopt+0x10/0x10 [ 1242.694184][T13163] ? __sys_socket+0x168/0x1e0 [ 1242.694341][T13163] ? __pfx___sys_socket+0x10/0x10 [ 1242.694496][T13163] ? do_user_addr_fault+0x374/0xe30 [ 1242.694651][T13163] __x64_sys_setsockopt+0xbd/0x160 [ 1242.694806][T13163] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1242.695003][T13163] do_syscall_64+0xc1/0x1d0 [ 1242.695163][T13163] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1242.695357][T13163] RIP: 0033:0x7f282ee4091e [ 1242.695521][T13163] 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 [ 1242.696062][T13163] RSP: 002b:00007ffd68a1d298 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1242.696301][T13163] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f282ee4091e [ 1242.696550][T13163] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1242.696782][T13163] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1242.697016][T13163] R10: 00007ffd68a1d2bc R11: 0000000000000246 R12: 0000000000000000 [ 1242.697252][T13163] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f282ef45000 [ 1242.697493][T13163] [ 1242.701813][T13163] veth0: entered allmulticast mode [ 1242.702437][T13163] veth1: entered allmulticast mode [ 1242.702814][T13163] veth2: entered allmulticast mode [ 1242.703196][T13163] veth3: entered allmulticast mode [ 1242.705237][T13163] veth4: entered allmulticast mode [ 1242.705615][T13163] veth5: entered allmulticast mode [ 1269.559769][T13163] veth0: left allmulticast mode [ 1269.560128][T13163] veth1: left allmulticast mode [ 1269.560517][T13163] veth2: left allmulticast mode [ 1269.560905][T13163] veth3: left allmulticast mode [ 1269.561290][T13163] veth4: left allmulticast mode [ 1269.561731][T13163] veth5: left allmulticast mode