[ 1348.617826][T17439] [ 1348.617968][T17439] ============================= [ 1348.618150][T17439] WARNING: suspicious RCU usage [ 1348.618345][T17439] 6.12.0-rc6-virtme #1 Not tainted [ 1348.618516][T17439] ----------------------------- [ 1348.618712][T17439] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1348.618960][T17439] [ 1348.618960][T17439] other info that might help us debug this: [ 1348.618960][T17439] [ 1348.619302][T17439] [ 1348.619302][T17439] rcu_scheduler_active = 2, debug_locks = 1 [ 1348.619545][T17439] no locks held by smcrouted/17439. [ 1348.619754][T17439] [ 1348.619754][T17439] stack backtrace: [ 1348.619959][T17439] CPU: 0 UID: 0 PID: 17439 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1348.620242][T17439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1348.620446][T17439] Call Trace: [ 1348.620577][T17439] [ 1348.620678][T17439] dump_stack_lvl+0xb0/0xd0 [ 1348.620853][T17439] lockdep_rcu_suspicious+0x1ea/0x280 [ 1348.621023][T17439] ip6mr_get_table+0x142/0x190 [ 1348.621194][T17439] ip6_mroute_setsockopt+0x185/0x12d0 [ 1348.621360][T17439] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1348.621566][T17439] ? __lock_release+0x103/0x460 [ 1348.621794][T17439] ? __might_fault+0x11b/0x170 [ 1348.621974][T17439] ? trace_lock_acquire+0x14d/0x1f0 [ 1348.622144][T17439] ? __might_fault+0xc3/0x170 [ 1348.622308][T17439] ? lock_acquire+0x32/0xc0 [ 1348.622471][T17439] ? __might_fault+0xc3/0x170 [ 1348.622639][T17439] ? __might_fault+0x11b/0x170 [ 1348.622888][T17439] do_ipv6_setsockopt+0x705/0x34e0 [ 1348.623054][T17439] ? __lock_release+0xe0/0x460 [ 1348.623222][T17439] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1348.623428][T17439] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1348.623640][T17439] ? rcu_read_lock_any_held+0x43/0xb0 [ 1348.623850][T17439] ? validate_chain+0x1fe/0xae0 [ 1348.624015][T17439] ? is_bpf_text_address+0x67/0x120 [ 1348.624206][T17439] ? __pfx_validate_chain+0x10/0x10 [ 1348.624417][T17439] ? hlock_class+0x4e/0x130 [ 1348.624628][T17439] ? mark_lock+0x38/0x3e0 [ 1348.624794][T17439] ? __lock_acquire+0xb3f/0x1580 [ 1348.625053][T17439] ? find_held_lock+0x2c/0x110 [ 1348.625328][T17439] ? ipv6_setsockopt+0x7f/0xe0 [ 1348.625590][T17439] ipv6_setsockopt+0x7f/0xe0 [ 1348.625862][T17439] rawv6_setsockopt+0xb7/0x550 [ 1348.626084][T17439] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1348.626313][T17439] ? __lock_acquire+0xb3f/0x1580 [ 1348.626479][T17439] ? kfree+0x2d/0x340 [ 1348.626677][T17439] do_sock_setsockopt+0x149/0x3a0 [ 1348.626859][T17439] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1348.627038][T17439] ? __lock_release+0x103/0x460 [ 1348.627246][T17439] ? fd_install+0x1d1/0x5a0 [ 1348.627415][T17439] ? trace_lock_acquire+0x14d/0x1f0 [ 1348.627657][T17439] ? fdget+0x52/0x1e0 [ 1348.627817][T17439] __sys_setsockopt+0x104/0x1a0 [ 1348.627999][T17439] ? __pfx___sys_setsockopt+0x10/0x10 [ 1348.628166][T17439] ? __sys_socket+0x168/0x1e0 [ 1348.628336][T17439] ? __pfx___sys_socket+0x10/0x10 [ 1348.628511][T17439] ? do_user_addr_fault+0x374/0xe30 [ 1348.628695][T17439] __x64_sys_setsockopt+0xbd/0x160 [ 1348.628860][T17439] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1348.629068][T17439] do_syscall_64+0xc1/0x1d0 [ 1348.629241][T17439] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1348.629454][T17439] RIP: 0033:0x7f474ac8d91e [ 1348.629698][T17439] 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 [ 1348.630407][T17439] RSP: 002b:00007fffa8d604e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1348.630750][T17439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f474ac8d91e [ 1348.631097][T17439] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1348.631469][T17439] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1348.631887][T17439] R10: 00007fffa8d6050c R11: 0000000000000246 R12: 0000000000000000 [ 1348.632239][T17439] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f474ad92000 [ 1348.632554][T17439] [ 1348.638513][T17439] veth0: entered allmulticast mode [ 1348.641299][T17439] veth1: entered allmulticast mode [ 1348.641720][T17439] veth2: entered allmulticast mode [ 1348.642049][T17439] veth3: entered allmulticast mode [ 1348.642397][T17439] veth4: entered allmulticast mode [ 1348.642722][T17439] veth5: entered allmulticast mode [ 1371.025107][T17772] ip (17772) used greatest stack depth: 24280 bytes left [ 1374.448437][T17439] veth0: left allmulticast mode [ 1374.448767][T17439] veth1: left allmulticast mode [ 1374.449026][T17439] veth2: left allmulticast mode [ 1374.449354][T17439] veth3: left allmulticast mode [ 1374.449597][T17439] veth4: left allmulticast mode [ 1374.449839][T17439] veth5: left allmulticast mode