[ 1254.719173][ T4413] [ 1254.719370][ T4413] ============================= [ 1254.720339][ T4413] WARNING: suspicious RCU usage [ 1254.720683][ T4413] 6.12.0-rc6-virtme #1 Not tainted [ 1254.720930][ T4413] ----------------------------- [ 1254.721220][ T4413] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1254.721608][ T4413] [ 1254.721608][ T4413] other info that might help us debug this: [ 1254.721608][ T4413] [ 1254.722117][ T4413] [ 1254.722117][ T4413] rcu_scheduler_active = 2, debug_locks = 1 [ 1254.722516][ T4413] no locks held by smcrouted/4413. [ 1254.722803][ T4413] [ 1254.722803][ T4413] stack backtrace: [ 1254.723139][ T4413] CPU: 0 UID: 0 PID: 4413 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1254.723612][ T4413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1254.723956][ T4413] Call Trace: [ 1254.724169][ T4413] [ 1254.724305][ T4413] dump_stack_lvl+0xb0/0xd0 [ 1254.724568][ T4413] lockdep_rcu_suspicious+0x1ea/0x280 [ 1254.724861][ T4413] ip6mr_get_table+0x142/0x190 [ 1254.725131][ T4413] ip6_mroute_setsockopt+0x185/0x12d0 [ 1254.725409][ T4413] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1254.725767][ T4413] ? __lock_release+0x103/0x460 [ 1254.726036][ T4413] ? __might_fault+0x11b/0x170 [ 1254.726316][ T4413] ? trace_lock_acquire+0x14d/0x1f0 [ 1254.726596][ T4413] ? __might_fault+0xc3/0x170 [ 1254.726857][ T4413] ? lock_acquire+0x32/0xc0 [ 1254.727112][ T4413] ? __might_fault+0xc3/0x170 [ 1254.727371][ T4413] ? __might_fault+0x11b/0x170 [ 1254.727642][ T4413] do_ipv6_setsockopt+0x705/0x34e0 [ 1254.727919][ T4413] ? __lock_release+0xe0/0x460 [ 1254.728184][ T4413] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1254.728442][ T4413] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1254.728706][ T4413] ? rcu_read_lock_any_held+0x43/0xb0 [ 1254.728970][ T4413] ? validate_chain+0x1fe/0xae0 [ 1254.729235][ T4413] ? is_bpf_text_address+0x67/0x120 [ 1254.729512][ T4413] ? __pfx_validate_chain+0x10/0x10 [ 1254.729776][ T4413] ? hlock_class+0x4e/0x130 [ 1254.730048][ T4413] ? mark_lock+0x38/0x3e0 [ 1254.730273][ T4413] ? __lock_acquire+0xb3f/0x1580 [ 1254.730545][ T4413] ? find_held_lock+0x2c/0x110 [ 1254.730817][ T4413] ? ipv6_setsockopt+0x7f/0xe0 [ 1254.731072][ T4413] ipv6_setsockopt+0x7f/0xe0 [ 1254.731329][ T4413] rawv6_setsockopt+0xb7/0x550 [ 1254.731592][ T4413] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1254.731840][ T4413] ? __lock_acquire+0xb3f/0x1580 [ 1254.732096][ T4413] ? kfree+0x2d/0x340 [ 1254.732302][ T4413] do_sock_setsockopt+0x149/0x3a0 [ 1254.732568][ T4413] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1254.732818][ T4413] ? __lock_release+0x103/0x460 [ 1254.733068][ T4413] ? fd_install+0x1d1/0x5a0 [ 1254.733329][ T4413] ? trace_lock_acquire+0x14d/0x1f0 [ 1254.733592][ T4413] ? fdget+0x52/0x1e0 [ 1254.733800][ T4413] __sys_setsockopt+0x104/0x1a0 [ 1254.734059][ T4413] ? __pfx___sys_setsockopt+0x10/0x10 [ 1254.734304][ T4413] ? __sys_socket+0x168/0x1e0 [ 1254.734568][ T4413] ? __pfx___sys_socket+0x10/0x10 [ 1254.734831][ T4413] ? do_user_addr_fault+0x374/0xe30 [ 1254.735095][ T4413] __x64_sys_setsockopt+0xbd/0x160 [ 1254.735347][ T4413] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1254.735671][ T4413] do_syscall_64+0xc1/0x1d0 [ 1254.735936][ T4413] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1254.736245][ T4413] RIP: 0033:0x7f55e1b5b91e [ 1254.736531][ T4413] 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 [ 1254.737473][ T4413] RSP: 002b:00007fffb58b9668 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1254.737848][ T4413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55e1b5b91e [ 1254.738216][ T4413] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1254.738619][ T4413] RBP: 0000000000000008 R08: 0000000000000004 R09: 00000000235cd010 [ 1254.739004][ T4413] R10: 00007fffb58b968c R11: 0000000000000246 R12: 0000000000000000 [ 1254.739367][ T4413] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f55e1c60000 [ 1254.739769][ T4413] [ 1254.744735][ T4413] veth0: entered allmulticast mode [ 1254.745549][ T4413] veth1: entered allmulticast mode [ 1254.758700][ T4413] veth2: entered allmulticast mode [ 1254.759529][ T4413] veth3: entered allmulticast mode [ 1254.760278][ T4413] veth4: entered allmulticast mode [ 1254.760994][ T4413] veth5: entered allmulticast mode [ 1265.555989][ T4500] GACT probability NOT on [ 1281.605803][ T4413] veth0: left allmulticast mode [ 1281.606239][ T4413] veth1: left allmulticast mode [ 1281.606482][ T4413] veth2: left allmulticast mode [ 1281.606842][ T4413] veth3: left allmulticast mode [ 1281.607079][ T4413] veth4: left allmulticast mode [ 1281.607314][ T4413] veth5: left allmulticast mode