[ 1253.354475][T17343] [ 1253.354688][T17343] ============================= [ 1253.354972][T17343] WARNING: suspicious RCU usage [ 1253.355237][T17343] 6.12.0-rc7-virtme #1 Not tainted [ 1253.355531][T17343] ----------------------------- [ 1253.355804][T17343] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1253.356198][T17343] [ 1253.356198][T17343] other info that might help us debug this: [ 1253.356198][T17343] [ 1253.356721][T17343] [ 1253.356721][T17343] rcu_scheduler_active = 2, debug_locks = 1 [ 1253.357114][T17343] no locks held by smcrouted/17343. [ 1253.357405][T17343] [ 1253.357405][T17343] stack backtrace: [ 1253.357737][T17343] CPU: 3 UID: 0 PID: 17343 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1253.358195][T17343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1253.358531][T17343] Call Trace: [ 1253.358748][T17343] [ 1253.358899][T17343] dump_stack_lvl+0xb0/0xd0 [ 1253.359196][T17343] lockdep_rcu_suspicious+0x1ea/0x280 [ 1253.359484][T17343] ip6mr_get_table+0x142/0x190 [ 1253.359757][T17343] ip6_mroute_setsockopt+0x185/0x12d0 [ 1253.360046][T17343] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1253.360394][T17343] ? __lock_release+0x103/0x460 [ 1253.360673][T17343] ? __might_fault+0x11b/0x170 [ 1253.360942][T17343] ? trace_lock_acquire+0x14d/0x1f0 [ 1253.361224][T17343] ? __might_fault+0xc3/0x170 [ 1253.361491][T17343] ? lock_acquire+0x32/0xc0 [ 1253.361762][T17343] ? __might_fault+0xc3/0x170 [ 1253.362053][T17343] ? __might_fault+0x11b/0x170 [ 1253.362337][T17343] do_ipv6_setsockopt+0x705/0x34e0 [ 1253.362610][T17343] ? __lock_release+0x10/0x460 [ 1253.362877][T17343] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1253.363145][T17343] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1253.363417][T17343] ? rcu_read_lock_any_held+0x43/0xb0 [ 1253.363679][T17343] ? validate_chain+0x1fe/0xae0 [ 1253.363926][T17343] ? is_bpf_text_address+0x67/0x120 [ 1253.364198][T17343] ? __pfx_validate_chain+0x10/0x10 [ 1253.364467][T17343] ? hlock_class+0x4e/0x130 [ 1253.364737][T17343] ? mark_lock+0x38/0x3e0 [ 1253.364963][T17343] ? __lock_acquire+0xb3f/0x1580 [ 1253.365248][T17343] ? find_held_lock+0x2c/0x110 [ 1253.365535][T17343] ? ipv6_setsockopt+0x7f/0xe0 [ 1253.365812][T17343] ipv6_setsockopt+0x7f/0xe0 [ 1253.366081][T17343] rawv6_setsockopt+0xb7/0x550 [ 1253.366342][T17343] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1253.366600][T17343] ? __lock_acquire+0xb3f/0x1580 [ 1253.366869][T17343] ? kfree+0x2d/0x340 [ 1253.367089][T17343] do_sock_setsockopt+0x149/0x3a0 [ 1253.367361][T17343] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1253.367627][T17343] ? __lock_release+0x103/0x460 [ 1253.367895][T17343] ? fd_install+0x1d1/0x5a0 [ 1253.368170][T17343] ? trace_lock_acquire+0x14d/0x1f0 [ 1253.368463][T17343] ? fdget+0x52/0x1e0 [ 1253.368682][T17343] __sys_setsockopt+0x104/0x1a0 [ 1253.368968][T17343] ? __pfx___sys_setsockopt+0x10/0x10 [ 1253.369239][T17343] ? __sys_socket+0x168/0x1e0 [ 1253.369515][T17343] ? __pfx___sys_socket+0x10/0x10 [ 1253.369790][T17343] ? do_user_addr_fault+0x374/0xe30 [ 1253.370068][T17343] __x64_sys_setsockopt+0xbd/0x160 [ 1253.370340][T17343] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1253.370685][T17343] do_syscall_64+0xc1/0x1d0 [ 1253.370963][T17343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1253.371304][T17343] RIP: 0033:0x7f272a71991e [ 1253.371602][T17343] 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 [ 1253.372554][T17343] RSP: 002b:00007ffd6345ab58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1253.372900][T17343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f272a71991e [ 1253.373161][T17343] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1253.373423][T17343] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1253.373697][T17343] R10: 00007ffd6345ab7c R11: 0000000000000246 R12: 0000000000000000 [ 1253.373960][T17343] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f272a81e000 [ 1253.374236][T17343] [ 1253.377629][T17343] veth0: entered allmulticast mode [ 1253.378706][T17343] veth1: entered allmulticast mode [ 1253.379076][T17343] veth2: entered allmulticast mode [ 1253.388249][T17343] veth3: entered allmulticast mode [ 1253.388809][T17343] veth4: entered allmulticast mode [ 1253.389146][T17343] veth5: entered allmulticast mode [ 1264.499288][T17431] GACT probability NOT on [ 1281.927086][T17343] veth0: left allmulticast mode [ 1281.928033][T17343] veth1: left allmulticast mode [ 1281.928480][T17343] veth2: left allmulticast mode [ 1281.928895][T17343] veth3: left allmulticast mode [ 1281.929321][T17343] veth4: left allmulticast mode [ 1281.930168][T17343] veth5: left allmulticast mode