[ 12.634075][ T270] ip (270) used greatest stack depth: 23392 bytes left [ 14.990818][ T298] 8021q: 802.1Q VLAN Support v1.8 [ 19.167989][ T348] br1: port 1(vx10) entered blocking state [ 19.170367][ T348] br1: port 1(vx10) entered disabled state [ 19.171077][ T348] vx10: entered allmulticast mode [ 19.174586][ T348] vx10: entered promiscuous mode [ 19.176096][ T348] br1: port 1(vx10) entered blocking state [ 19.176713][ T348] br1: port 1(vx10) entered forwarding state [ 19.610667][ T353] br1: port 2(vx20) entered blocking state [ 19.611146][ T353] br1: port 2(vx20) entered disabled state [ 19.612677][ T353] vx20: entered allmulticast mode [ 19.614852][ T353] vx20: entered promiscuous mode [ 19.625377][ T353] br1: port 2(vx20) entered blocking state [ 19.625784][ T353] br1: port 2(vx20) entered forwarding state [ 19.837180][ T355] br1: port 3(veth1) entered blocking state [ 19.837536][ T355] br1: port 3(veth1) entered disabled state [ 19.837897][ T355] veth1: entered allmulticast mode [ 19.839991][ T355] veth1: entered promiscuous mode [ 19.935994][ T39] br1: port 3(veth1) entered blocking state [ 19.936474][ T39] br1: port 3(veth1) entered forwarding state [ 20.411631][ T361] br1: port 4(veth2) entered blocking state [ 20.412148][ T361] br1: port 4(veth2) entered disabled state [ 20.412648][ T361] veth2: entered allmulticast mode [ 20.415832][ T361] veth2: entered promiscuous mode [ 20.500197][ T38] br1: port 4(veth2) entered blocking state [ 20.500569][ T38] br1: port 4(veth2) entered forwarding state [ 23.947378][ C2] [ 23.947698][ C2] ============================= [ 23.947911][ C2] WARNING: suspicious RCU usage [ 23.948097][ C2] 6.13.0-virtme #1 Not tainted [ 23.948300][ C2] ----------------------------- [ 23.948491][ C2] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage! [ 23.948777][ C2] [ 23.948777][ C2] other info that might help us debug this: [ 23.948777][ C2] [ 23.949103][ C2] [ 23.949103][ C2] rcu_scheduler_active = 2, debug_locks = 1 [ 23.949368][ C2] 1 lock held by ksoftirqd/2/29: [ 23.949544][ C2] #0: ffffc9000020fbc0 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 23.949862][ C2] [ 23.949862][ C2] stack backtrace: [ 23.950075][ C2] CPU: 2 UID: 0 PID: 29 Comm: ksoftirqd/2 Not tainted 6.13.0-virtme #1 [ 23.950079][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.950081][ C2] Call Trace: [ 23.950083][ C2] [ 23.950086][ C2] dump_stack_lvl+0xb0/0xd0 [ 23.950094][ C2] lockdep_rcu_suspicious+0x1ea/0x280 [ 23.950103][ C2] icmp6_send+0x10ab/0x1bf0 [ 23.950111][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 23.950126][ C2] ? __pfx_icmp6_send+0x10/0x10 [ 23.950134][ C2] ? __pfx_validate_chain+0x10/0x10 [ 23.950139][ C2] ? hlock_class+0x4e/0x130 [ 23.950142][ C2] ? mark_lock+0x38/0x3e0 [ 23.950151][ C2] ? __lock_acquire+0xb9a/0x1680 [ 23.950157][ C2] ? find_held_lock+0x2c/0x110 [ 23.950164][ C2] ? __lock_release+0x103/0x460 [ 23.950166][ C2] ? neigh_invalidate+0x1c7/0x540 [ 23.950172][ C2] ? __pfx___lock_release+0x10/0x10 [ 23.950175][ C2] ? lock_acquire.part.0+0xeb/0x330 [ 23.950186][ C2] ip6_link_failure+0x30/0x430 [ 23.950194][ C2] ndisc_error_report+0x96/0x170 [ 23.950200][ C2] neigh_invalidate+0x209/0x540 [ 23.950209][ C2] neigh_timer_handler+0x87a/0xdf0 [ 23.950218][ C2] ? __pfx_neigh_timer_handler+0x10/0x10 [ 23.950222][ C2] call_timer_fn+0x13b/0x230 [ 23.950225][ C2] ? call_timer_fn+0xe8/0x230 [ 23.950227][ C2] ? call_timer_fn+0xe8/0x230 [ 23.950231][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 23.950234][ C2] ? mark_lock+0x38/0x3e0 [ 23.950251][ C2] __run_timers+0x545/0x810 [ 23.950255][ C2] ? __pfx_neigh_timer_handler+0x10/0x10 [ 23.950265][ C2] ? __pfx___run_timers+0x10/0x10 [ 23.950273][ C2] ? do_raw_spin_lock+0x131/0x270 [ 23.950278][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 23.950283][ C2] ? lock_acquire+0x32/0xc0 [ 23.950285][ C2] ? run_timer_softirq+0xe6/0x1c0 [ 23.950295][ C2] run_timer_softirq+0xee/0x1c0 [ 23.950300][ C2] handle_softirqs+0x1f6/0x5c0 [ 23.950308][ C2] ? __pfx_run_ksoftirqd+0x10/0x10 [ 23.950313][ C2] run_ksoftirqd+0x33/0x60 [ 23.950316][ C2] smpboot_thread_fn+0x306/0x850 [ 23.950322][ C2] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 23.950328][ C2] kthread+0x359/0x5d0 [ 23.950335][ C2] ? __pfx_kthread+0x10/0x10 [ 23.950344][ C2] ? __pfx_kthread+0x10/0x10 [ 23.950350][ C2] ret_from_fork+0x31/0x70 [ 23.950354][ C2] ? __pfx_kthread+0x10/0x10 [ 23.950359][ C2] ret_from_fork_asm+0x1a/0x30 [ 23.950376][ C2] [ 24.504148][ T412] br2: port 1(w1) entered blocking state [ 24.504415][ T412] br2: port 1(w1) entered disabled state [ 24.504667][ T412] w1: entered allmulticast mode [ 24.506660][ T412] w1: entered promiscuous mode [ 25.204133][ T420] br2: port 2(vx10) entered blocking state [ 25.204629][ T420] br2: port 2(vx10) entered disabled state [ 25.205092][ T420] vx10: entered allmulticast mode [ 25.208434][ T420] vx10: entered promiscuous mode [ 25.209321][ T420] br2: port 2(vx10) entered blocking state [ 25.209710][ T420] br2: port 2(vx10) entered forwarding state [ 25.883997][ T427] br2: port 3(vx20) entered blocking state [ 25.884326][ T427] br2: port 3(vx20) entered disabled state [ 25.884637][ T427] vx20: entered allmulticast mode [ 25.886688][ T427] vx20: entered promiscuous mode [ 25.887264][ T427] br2: port 3(vx20) entered blocking state [ 25.887552][ T427] br2: port 3(vx20) entered forwarding state [ 26.775868][ T39] br2: port 1(w1) entered blocking state [ 26.776521][ T39] br2: port 1(w1) entered forwarding state [ 29.742400][ T469] br2: port 1(w1) entered blocking state [ 29.742714][ T469] br2: port 1(w1) entered disabled state [ 29.743821][ T469] w1: entered allmulticast mode [ 29.745971][ T469] w1: entered promiscuous mode [ 30.539628][ T477] br2: port 2(vx10) entered blocking state [ 30.539967][ T477] br2: port 2(vx10) entered disabled state [ 30.540272][ T477] vx10: entered allmulticast mode [ 30.542246][ T477] vx10: entered promiscuous mode [ 30.542815][ T477] br2: port 2(vx10) entered blocking state [ 30.543428][ T477] br2: port 2(vx10) entered forwarding state [ 31.207137][ T484] br2: port 3(vx20) entered blocking state [ 31.207506][ T484] br2: port 3(vx20) entered disabled state [ 31.207818][ T484] vx20: entered allmulticast mode [ 31.210037][ T484] vx20: entered promiscuous mode [ 31.210611][ T484] br2: port 3(vx20) entered blocking state [ 31.210917][ T484] br2: port 3(vx20) entered forwarding state [ 31.981101][ T37] br2: port 1(w1) entered blocking state [ 31.981488][ T37] br2: port 1(w1) entered forwarding state [ 43.555621][ T571] GACT probability NOT on [ 175.451876][ T1372] veth3: entered promiscuous mode [ 232.363242][ T2299] veth3: left promiscuous mode [ 232.991888][ T2305] veth3: entered promiscuous mode [ 291.418468][ T3232] veth3: left promiscuous mode [ 292.466379][ T3250] vx20: left allmulticast mode [ 292.466653][ T3250] vx20: left promiscuous mode [ 292.467034][ T3250] br1: port 2(vx20) entered disabled state [ 292.584828][ T3251] vx10: left allmulticast mode [ 292.585187][ T3251] vx10: left promiscuous mode [ 292.585740][ T3251] br1: port 1(vx10) entered disabled state [ 298.008110][ T3256] br1: port 1(vx10) entered blocking state [ 298.008507][ T3256] br1: port 1(vx10) entered disabled state [ 298.008937][ T3256] vx10: entered allmulticast mode [ 298.010910][ T3256] vx10: entered promiscuous mode [ 298.018884][ T3256] br1: port 1(vx10) entered blocking state [ 298.019293][ T3256] br1: port 1(vx10) entered forwarding state [ 298.197564][ T3258] br1: port 2(vx20) entered blocking state [ 298.197951][ T3258] br1: port 2(vx20) entered disabled state [ 298.198295][ T3258] vx20: entered allmulticast mode [ 298.201870][ T3258] vx20: entered promiscuous mode [ 298.202601][ T3258] br1: port 2(vx20) entered blocking state [ 298.202942][ T3258] br1: port 2(vx20) entered forwarding state [ 442.774502][ T4088] veth3: entered promiscuous mode [ 498.251756][ T5015] veth3: left promiscuous mode [ 498.758924][ T5021] veth3: entered promiscuous mode [ 554.157969][ T5948] veth3: left promiscuous mode [ 892.320809][ T11] vx20: left allmulticast mode [ 892.321117][ T11] vx20: left promiscuous mode [ 892.321491][ T11] br2: port 3(vx20) entered disabled state [ 892.324468][ T11] vx10: left allmulticast mode [ 892.324674][ T11] vx10: left promiscuous mode [ 892.324994][ T11] br2: port 2(vx10) entered disabled state [ 892.326534][ T11] w1: left allmulticast mode [ 892.326819][ T11] w1: left promiscuous mode [ 892.327150][ T11] br2: port 1(w1) entered disabled state [ 893.018980][ T11] vx20: left allmulticast mode [ 893.019234][ T11] vx20: left promiscuous mode [ 893.019596][ T11] br2: port 3(vx20) entered disabled state [ 893.024041][ T11] vx10: left allmulticast mode [ 893.024246][ T11] vx10: left promiscuous mode [ 893.024613][ T11] br2: port 2(vx10) entered disabled state [ 893.026607][ T11] w1: left allmulticast mode [ 893.026800][ T11] w1: left promiscuous mode [ 893.027105][ T11] br2: port 1(w1) entered disabled state [ 895.443483][T10516] br1: port 4(veth2) entered disabled state [ 895.522299][T10518] veth2: left allmulticast mode [ 895.522560][T10518] veth2: left promiscuous mode [ 895.522880][T10518] br1: port 4(veth2) entered disabled state [ 895.888205][T10522] br1: port 3(veth1) entered disabled state [ 895.967040][T10524] veth1: left allmulticast mode [ 895.967365][T10524] veth1: left promiscuous mode [ 895.967687][T10524] br1: port 3(veth1) entered disabled state [ 896.141193][T10526] vx20: left allmulticast mode [ 896.141494][T10526] vx20: left promiscuous mode [ 896.141834][T10526] br1: port 2(vx20) entered disabled state [ 896.538204][T10530] vx10: left allmulticast mode [ 896.538464][T10530] vx10: left promiscuous mode [ 896.538813][T10530] br1: port 1(vx10) entered disabled state