[ 9.774189][ T249] ip (249) used greatest stack depth: 24160 bytes left [ 10.751933][ T281] [ 10.752057][ T281] ============================= [ 10.752218][ T281] WARNING: suspicious RCU usage [ 10.752415][ T281] 6.12.0-rc7-virtme #1 Not tainted [ 10.752587][ T281] ----------------------------- [ 10.752742][ T281] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.752974][ T281] [ 10.752974][ T281] other info that might help us debug this: [ 10.752974][ T281] [ 10.753298][ T281] [ 10.753298][ T281] rcu_scheduler_active = 2, debug_locks = 1 [ 10.753524][ T281] no locks held by smcrouted/281. [ 10.753677][ T281] [ 10.753677][ T281] stack backtrace: [ 10.753878][ T281] CPU: 0 UID: 0 PID: 281 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 10.754118][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.754312][ T281] Call Trace: [ 10.754434][ T281] [ 10.754522][ T281] dump_stack_lvl+0xb0/0xd0 [ 10.754697][ T281] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.754858][ T281] ip6mr_get_table+0x142/0x190 [ 10.755017][ T281] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.755179][ T281] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.755382][ T281] ? __lock_release+0x103/0x460 [ 10.755538][ T281] ? __might_fault+0x11b/0x170 [ 10.755694][ T281] ? trace_lock_acquire+0x14d/0x1f0 [ 10.755858][ T281] ? __might_fault+0xc3/0x170 [ 10.756014][ T281] ? lock_acquire+0x32/0xc0 [ 10.756170][ T281] ? __might_fault+0xc3/0x170 [ 10.756326][ T281] ? __might_fault+0x11b/0x170 [ 10.756487][ T281] do_ipv6_setsockopt+0x705/0x34e0 [ 10.756647][ T281] ? __lock_release+0x10/0x460 [ 10.756803][ T281] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.756957][ T281] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.757119][ T281] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.757295][ T281] ? validate_chain+0x1fe/0xae0 [ 10.757452][ T281] ? is_bpf_text_address+0x67/0x120 [ 10.757637][ T281] ? __pfx_validate_chain+0x10/0x10 [ 10.757795][ T281] ? hlock_class+0x4e/0x130 [ 10.757957][ T281] ? mark_lock+0x38/0x3e0 [ 10.758079][ T281] ? __lock_acquire+0xb3f/0x1580 [ 10.758241][ T281] ? find_held_lock+0x2c/0x110 [ 10.758402][ T281] ? ipv6_setsockopt+0x7f/0xe0 [ 10.758565][ T281] ipv6_setsockopt+0x7f/0xe0 [ 10.758740][ T281] rawv6_setsockopt+0xb7/0x550 [ 10.758899][ T281] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.759053][ T281] ? __lock_acquire+0xb3f/0x1580 [ 10.759208][ T281] ? kfree+0x2d/0x340 [ 10.759338][ T281] do_sock_setsockopt+0x149/0x3a0 [ 10.759495][ T281] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.759655][ T281] ? __lock_release+0x103/0x460 [ 10.759819][ T281] ? fd_install+0x1d1/0x5a0 [ 10.759983][ T281] ? trace_lock_acquire+0x14d/0x1f0 [ 10.760147][ T281] ? fdget+0x52/0x1e0 [ 10.760275][ T281] __sys_setsockopt+0x104/0x1a0 [ 10.760442][ T281] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.760598][ T281] ? __sys_socket+0x168/0x1e0 [ 10.760765][ T281] ? __pfx___sys_socket+0x10/0x10 [ 10.760923][ T281] ? do_user_addr_fault+0x374/0xe30 [ 10.761094][ T281] __x64_sys_setsockopt+0xbd/0x160 [ 10.761255][ T281] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.761453][ T281] do_syscall_64+0xc1/0x1d0 [ 10.761626][ T281] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.761826][ T281] RIP: 0033:0x7fca2a5d191e [ 10.761992][ T281] 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 [ 10.762546][ T281] RSP: 002b:00007ffd325aca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.762784][ T281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca2a5d191e [ 10.763024][ T281] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.763254][ T281] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.763492][ T281] R10: 00007ffd325aca7c R11: 0000000000000246 R12: 0000000000000000 [ 10.763723][ T281] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fca2a6d6000 [ 10.763964][ T281] [ 10.766888][ T281] veth0: entered allmulticast mode [ 10.767503][ T281] veth1: entered allmulticast mode [ 10.767829][ T281] veth2: entered allmulticast mode [ 10.768140][ T281] veth3: entered allmulticast mode [ 22.022622][ T368] GACT probability NOT on [ 26.857879][ T486] ip (486) used greatest stack depth: 23864 bytes left [ 28.604463][ T281] veth0: left allmulticast mode [ 28.604829][ T281] veth1: left allmulticast mode [ 28.605071][ T281] veth2: left allmulticast mode [ 28.605304][ T281] veth3: left allmulticast mode