[ 1328.687925][T16237] [ 1328.688103][T16237] ============================= [ 1328.688287][T16237] WARNING: suspicious RCU usage [ 1328.688561][T16237] 6.12.0-rc6-virtme #1 Not tainted [ 1328.688749][T16237] ----------------------------- [ 1328.688929][T16237] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1328.689180][T16237] [ 1328.689180][T16237] other info that might help us debug this: [ 1328.689180][T16237] [ 1328.689520][T16237] [ 1328.689520][T16237] rcu_scheduler_active = 2, debug_locks = 1 [ 1328.689767][T16237] no locks held by smcrouted/16237. [ 1328.689940][T16237] [ 1328.689940][T16237] stack backtrace: [ 1328.690154][T16237] CPU: 0 UID: 0 PID: 16237 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1328.690465][T16237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1328.690693][T16237] Call Trace: [ 1328.690828][T16237] [ 1328.690919][T16237] dump_stack_lvl+0xb0/0xd0 [ 1328.691109][T16237] lockdep_rcu_suspicious+0x1ea/0x280 [ 1328.691293][T16237] ip6mr_get_table+0x142/0x190 [ 1328.691474][T16237] ip6_mroute_setsockopt+0x185/0x12d0 [ 1328.691646][T16237] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1328.691871][T16237] ? __lock_release+0x103/0x460 [ 1328.692052][T16237] ? __might_fault+0x11b/0x170 [ 1328.692254][T16237] ? trace_lock_acquire+0x14d/0x1f0 [ 1328.692428][T16237] ? __might_fault+0xc3/0x170 [ 1328.692589][T16237] ? lock_acquire+0x32/0xc0 [ 1328.692750][T16237] ? __might_fault+0xc3/0x170 [ 1328.692933][T16237] ? __might_fault+0x11b/0x170 [ 1328.693117][T16237] do_ipv6_setsockopt+0x705/0x34e0 [ 1328.693283][T16237] ? __lock_release+0xe0/0x460 [ 1328.693448][T16237] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1328.693615][T16237] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1328.693782][T16237] ? rcu_read_lock_any_held+0x43/0xb0 [ 1328.693945][T16237] ? validate_chain+0x1fe/0xae0 [ 1328.694124][T16237] ? is_bpf_text_address+0x67/0x120 [ 1328.694300][T16237] ? __pfx_validate_chain+0x10/0x10 [ 1328.694466][T16237] ? hlock_class+0x4e/0x130 [ 1328.694632][T16237] ? mark_lock+0x38/0x3e0 [ 1328.694761][T16237] ? __lock_acquire+0xb3f/0x1580 [ 1328.694942][T16237] ? find_held_lock+0x2c/0x110 [ 1328.695126][T16237] ? ipv6_setsockopt+0x7f/0xe0 [ 1328.695301][T16237] ipv6_setsockopt+0x7f/0xe0 [ 1328.695473][T16237] rawv6_setsockopt+0xb7/0x550 [ 1328.695654][T16237] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1328.695815][T16237] ? __lock_acquire+0xb3f/0x1580 [ 1328.696001][T16237] ? kfree+0x2d/0x340 [ 1328.696134][T16237] do_sock_setsockopt+0x149/0x3a0 [ 1328.696299][T16237] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1328.696471][T16237] ? __lock_release+0x103/0x460 [ 1328.696644][T16237] ? fd_install+0x1d1/0x5a0 [ 1328.696826][T16237] ? trace_lock_acquire+0x14d/0x1f0 [ 1328.697007][T16237] ? fdget+0x52/0x1e0 [ 1328.697145][T16237] __sys_setsockopt+0x104/0x1a0 [ 1328.697318][T16237] ? __pfx___sys_setsockopt+0x10/0x10 [ 1328.697491][T16237] ? __sys_socket+0x168/0x1e0 [ 1328.697667][T16237] ? __pfx___sys_socket+0x10/0x10 [ 1328.697839][T16237] ? do_user_addr_fault+0x374/0xe30 [ 1328.698008][T16237] __x64_sys_setsockopt+0xbd/0x160 [ 1328.698170][T16237] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1328.698378][T16237] do_syscall_64+0xc1/0x1d0 [ 1328.698551][T16237] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1328.698783][T16237] RIP: 0033:0x7f25c095c91e [ 1328.698968][T16237] 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 [ 1328.699567][T16237] RSP: 002b:00007ffdd6287228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1328.699819][T16237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25c095c91e [ 1328.700065][T16237] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1328.700312][T16237] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1328.700567][T16237] R10: 00007ffdd628724c R11: 0000000000000246 R12: 0000000000000000 [ 1328.700814][T16237] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f25c0a61000 [ 1328.701072][T16237] [ 1328.704836][T16237] veth0: entered allmulticast mode [ 1328.707979][T16237] veth1: entered allmulticast mode [ 1328.708552][T16237] veth2: entered allmulticast mode [ 1328.708913][T16237] veth3: entered allmulticast mode [ 1328.709562][T16237] veth4: entered allmulticast mode [ 1328.709920][T16237] veth5: entered allmulticast mode [ 1355.622459][T16237] veth0: left allmulticast mode [ 1355.622805][T16237] veth1: left allmulticast mode [ 1355.623072][T16237] veth2: left allmulticast mode [ 1355.623328][T16237] veth3: left allmulticast mode [ 1355.623608][T16237] veth4: left allmulticast mode [ 1355.623864][T16237] veth5: left allmulticast mode