[ 1346.375859][T17438] [ 1346.376010][T17438] ============================= [ 1346.376826][T17438] WARNING: suspicious RCU usage [ 1346.376995][T17438] 6.12.0-rc6-virtme #1 Not tainted [ 1346.377160][T17438] ----------------------------- [ 1346.377329][T17438] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1346.377571][T17438] [ 1346.377571][T17438] other info that might help us debug this: [ 1346.377571][T17438] [ 1346.377889][T17438] [ 1346.377889][T17438] rcu_scheduler_active = 2, debug_locks = 1 [ 1346.378143][T17438] no locks held by smcrouted/17438. [ 1346.378313][T17438] [ 1346.378313][T17438] stack backtrace: [ 1346.378514][T17438] CPU: 3 UID: 0 PID: 17438 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1346.378802][T17438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1346.379009][T17438] Call Trace: [ 1346.379143][T17438] [ 1346.379229][T17438] dump_stack_lvl+0xb0/0xd0 [ 1346.379413][T17438] lockdep_rcu_suspicious+0x1ea/0x280 [ 1346.379593][T17438] ip6mr_get_table+0x142/0x190 [ 1346.379755][T17438] ip6_mroute_setsockopt+0x185/0x12d0 [ 1346.379914][T17438] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1346.380114][T17438] ? __lock_release+0x103/0x460 [ 1346.380273][T17438] ? __might_fault+0x11b/0x170 [ 1346.380447][T17438] ? trace_lock_acquire+0x14d/0x1f0 [ 1346.380612][T17438] ? __might_fault+0xc3/0x170 [ 1346.380767][T17438] ? lock_acquire+0x32/0xc0 [ 1346.380930][T17438] ? __might_fault+0xc3/0x170 [ 1346.381084][T17438] ? __might_fault+0x11b/0x170 [ 1346.381244][T17438] do_ipv6_setsockopt+0x705/0x34e0 [ 1346.381407][T17438] ? __lock_release+0xe0/0x460 [ 1346.381564][T17438] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1346.381721][T17438] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1346.381880][T17438] ? rcu_read_lock_any_held+0x43/0xb0 [ 1346.382045][T17438] ? validate_chain+0x1fe/0xae0 [ 1346.382205][T17438] ? is_bpf_text_address+0x67/0x120 [ 1346.382376][T17438] ? __pfx_validate_chain+0x10/0x10 [ 1346.382531][T17438] ? hlock_class+0x4e/0x130 [ 1346.382688][T17438] ? mark_lock+0x38/0x3e0 [ 1346.382813][T17438] ? __lock_acquire+0xb3f/0x1580 [ 1346.382982][T17438] ? find_held_lock+0x2c/0x110 [ 1346.383145][T17438] ? ipv6_setsockopt+0x7f/0xe0 [ 1346.383299][T17438] ipv6_setsockopt+0x7f/0xe0 [ 1346.383484][T17438] rawv6_setsockopt+0xb7/0x550 [ 1346.383654][T17438] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1346.383816][T17438] ? __lock_acquire+0xb3f/0x1580 [ 1346.383974][T17438] ? kfree+0x2d/0x340 [ 1346.384104][T17438] do_sock_setsockopt+0x149/0x3a0 [ 1346.384265][T17438] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1346.384424][T17438] ? __lock_release+0x103/0x460 [ 1346.384579][T17438] ? fd_install+0x1d1/0x5a0 [ 1346.384746][T17438] ? trace_lock_acquire+0x14d/0x1f0 [ 1346.384913][T17438] ? fdget+0x52/0x1e0 [ 1346.385035][T17438] __sys_setsockopt+0x104/0x1a0 [ 1346.385199][T17438] ? __pfx___sys_setsockopt+0x10/0x10 [ 1346.385356][T17438] ? __sys_socket+0x168/0x1e0 [ 1346.385516][T17438] ? __pfx___sys_socket+0x10/0x10 [ 1346.385679][T17438] ? do_user_addr_fault+0x374/0xe30 [ 1346.385850][T17438] __x64_sys_setsockopt+0xbd/0x160 [ 1346.386007][T17438] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1346.386207][T17438] do_syscall_64+0xc1/0x1d0 [ 1346.386374][T17438] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1346.386581][T17438] RIP: 0033:0x7efcf794691e [ 1346.386753][T17438] 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 [ 1346.387321][T17438] RSP: 002b:00007fff0d221178 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1346.387574][T17438] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efcf794691e [ 1346.387812][T17438] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1346.388053][T17438] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1346.388294][T17438] R10: 00007fff0d22119c R11: 0000000000000246 R12: 0000000000000000 [ 1346.388539][T17438] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007efcf7a4b000 [ 1346.388788][T17438] [ 1346.392627][T17438] veth0: entered allmulticast mode [ 1346.393341][T17438] veth1: entered allmulticast mode [ 1346.393698][T17438] veth2: entered allmulticast mode [ 1346.394026][T17438] veth3: entered allmulticast mode [ 1346.394375][T17438] veth4: entered allmulticast mode [ 1346.394752][T17438] veth5: entered allmulticast mode [ 1372.128456][T17438] veth0: left allmulticast mode [ 1372.128846][T17438] veth1: left allmulticast mode [ 1372.129089][T17438] veth2: left allmulticast mode [ 1372.129338][T17438] veth3: left allmulticast mode [ 1372.129574][T17438] veth4: left allmulticast mode [ 1372.130123][T17438] veth5: left allmulticast mode