[ 23.379830][ T244] ip (244) used greatest stack depth: 22848 bytes left [ 24.705721][ T265] veth0: renamed from veth-rt-1 [ 26.107466][ T274] veth0: renamed from veth-rt-2 [ 31.015483][ C2] [ 31.015589][ C2] ======================================================== [ 31.015822][ C2] WARNING: possible irq lock inversion dependency detected [ 31.016052][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 31.016209][ C2] -------------------------------------------------------- [ 31.016443][ C2] ip/309 just changed the state of lock: [ 31.016601][ C2] ffff888006076d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 31.016885][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 31.017114][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 31.017118][ C2] [ 31.017118][ C2] [ 31.017118][ C2] and interrupts could create inverse lock ordering between them. [ 31.017118][ C2] [ 31.017678][ C2] [ 31.017678][ C2] other info that might help us debug this: [ 31.017908][ C2] Possible interrupt unsafe locking scenario: [ 31.017908][ C2] [ 31.018143][ C2] CPU0 CPU1 [ 31.018296][ C2] ---- ---- [ 31.018449][ C2] lock(&p->alloc_lock); [ 31.018568][ C2] local_irq_disable(); [ 31.018758][ C2] lock(&ndev->lock); [ 31.018951][ C2] lock(&p->alloc_lock); [ 31.019146][ C2] [ 31.019264][ C2] lock(&ndev->lock); [ 31.019382][ C2] [ 31.019382][ C2] *** DEADLOCK *** [ 31.019382][ C2] [ 31.019607][ C2] 1 lock held by ip/309: [ 31.019726][ C2] #0: ffffc90000230b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 31.020012][ C2] [ 31.020012][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 31.020288][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 31.020452][ C2] HARDIRQ-ON-W at: [ 31.020574][ C2] __lock_acquire+0x797/0x1570 [ 31.020775][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.020974][ C2] _raw_spin_lock+0x30/0x40 [ 31.021177][ C2] set_mems_allowed+0x1d/0x210 [ 31.021377][ C2] kernel_init_freeable+0x72/0x310 [ 31.021578][ C2] kernel_init+0x20/0x200 [ 31.021777][ C2] ret_from_fork+0x31/0x70 [ 31.021976][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.022175][ C2] SOFTIRQ-ON-W at: [ 31.022294][ C2] __lock_acquire+0x797/0x1570 [ 31.022491][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.022689][ C2] _raw_spin_lock+0x30/0x40 [ 31.022887][ C2] set_mems_allowed+0x1d/0x210 [ 31.023097][ C2] kernel_init_freeable+0x72/0x310 [ 31.023293][ C2] kernel_init+0x20/0x200 [ 31.023487][ C2] ret_from_fork+0x31/0x70 [ 31.023682][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.023879][ C2] INITIAL USE at: [ 31.023995][ C2] __lock_acquire+0x797/0x1570 [ 31.024191][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.024385][ C2] _raw_spin_lock+0x30/0x40 [ 31.024598][ C2] set_mems_allowed+0x1d/0x210 [ 31.024796][ C2] kernel_init_freeable+0x72/0x310 [ 31.024997][ C2] kernel_init+0x20/0x200 [ 31.025193][ C2] ret_from_fork+0x31/0x70 [ 31.025390][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.025589][ C2] } [ 31.025669][ C2] ... key at: [] __key.388+0x0/0x40 [ 31.025906][ C2] ... acquired at: [ 31.026025][ C2] __lock_acquire+0xaf0/0x1570 [ 31.026186][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.026343][ C2] _raw_spin_lock+0x30/0x40 [ 31.026498][ C2] __get_task_comm+0x27/0x70 [ 31.026659][ C2] ref_tracker_alloc+0x2ee/0x490 [ 31.026820][ C2] netdev_get_by_index+0x5e/0x80 [ 31.026980][ C2] fib6_nh_init+0x3d8/0x1580 [ 31.027140][ C2] ip6_route_info_create+0xf18/0x17d0 [ 31.027299][ C2] ip6_route_add+0x1c/0x140 [ 31.027460][ C2] addrconf_prefix_route+0x2a6/0x430 [ 31.027621][ C2] addrconf_permanent_addr+0x32f/0x670 [ 31.027778][ C2] addrconf_notify+0x749/0xd60 [ 31.027936][ C2] notifier_call_chain+0xcd/0x150 [ 31.028096][ C2] __dev_notify_flags+0xe6/0x250 [ 31.028256][ C2] dev_change_flags+0xec/0x160 [ 31.028412][ C2] do_setlink+0x7d6/0x21e0 [ 31.028569][ C2] __rtnl_newlink+0xaa7/0xd80 [ 31.028729][ C2] rtnl_newlink+0x63/0xa0 [ 31.028889][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.029045][ C2] netlink_rcv_skb+0x130/0x360 [ 31.029205][ C2] netlink_unicast+0x449/0x710 [ 31.029362][ C2] netlink_sendmsg+0x723/0xbe0 [ 31.029520][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 31.029679][ C2] ___sys_sendmsg+0xee/0x170 [ 31.029839][ C2] __sys_sendmsg+0xcd/0x170 [ 31.030011][ C2] do_syscall_64+0xc6/0x1e0 [ 31.030172][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.030369][ C2] [ 31.030451][ C2] -> (&ndev->lock){++-.}-{2:2} { [ 31.030615][ C2] HARDIRQ-ON-W at: [ 31.030734][ C2] __lock_acquire+0x797/0x1570 [ 31.030932][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.031129][ C2] _raw_write_lock_bh+0x38/0x50 [ 31.031327][ C2] addrconf_permanent_addr+0x6e/0x670 [ 31.031525][ C2] addrconf_notify+0x749/0xd60 [ 31.031721][ C2] notifier_call_chain+0xcd/0x150 [ 31.031917][ C2] __dev_notify_flags+0xe6/0x250 [ 31.032113][ C2] dev_change_flags+0xec/0x160 [ 31.032311][ C2] do_setlink+0x7d6/0x21e0 [ 31.032531][ C2] __rtnl_newlink+0xaa7/0xd80 [ 31.032726][ C2] rtnl_newlink+0x63/0xa0 [ 31.032923][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.033122][ C2] netlink_rcv_skb+0x130/0x360 [ 31.033321][ C2] netlink_unicast+0x449/0x710 [ 31.033519][ C2] netlink_sendmsg+0x723/0xbe0 [ 31.033720][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 31.033918][ C2] ___sys_sendmsg+0xee/0x170 [ 31.034120][ C2] __sys_sendmsg+0xcd/0x170 [ 31.034322][ C2] do_syscall_64+0xc6/0x1e0 [ 31.034522][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.034760][ C2] HARDIRQ-ON-R at: [ 31.034880][ C2] __lock_acquire+0x797/0x1570 [ 31.035091][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.035286][ C2] _raw_read_lock_bh+0x44/0x80 [ 31.035484][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 31.035682][ C2] inet6_fill_link_af+0x5e/0xe0 [ 31.035877][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 31.036069][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 31.036265][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 31.036512][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 31.036709][ C2] register_netdevice+0x1177/0x1690 [ 31.036908][ C2] register_netdev+0x20/0x40 [ 31.037108][ C2] vti6_init_net+0x25d/0x380 [ 31.037307][ C2] ops_init+0x9b/0x560 [ 31.037467][ C2] register_pernet_operations+0x2db/0x710 [ 31.037705][ C2] register_pernet_device+0x2a/0x60 [ 31.037904][ C2] vti6_tunnel_init+0x18/0x110 [ 31.038102][ C2] do_one_initcall+0x8d/0x1e0 [ 31.038299][ C2] do_initcalls+0x1b2/0x3e0 [ 31.038499][ C2] kernel_init_freeable+0x232/0x310 [ 31.038693][ C2] kernel_init+0x20/0x200 [ 31.038890][ C2] ret_from_fork+0x31/0x70 [ 31.039091][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.039287][ C2] IN-SOFTIRQ-W at: [ 31.039408][ C2] __lock_acquire+0x797/0x1570 [ 31.039605][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.039804][ C2] _raw_write_lock+0x30/0x40 [ 31.040008][ C2] addrconf_rs_timer+0xa9/0x730 [ 31.040204][ C2] call_timer_fn+0x13b/0x230 [ 31.040408][ C2] __run_timers+0x545/0x810 [ 31.040607][ C2] timer_expire_remote+0x9b/0xe0 [ 31.040806][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 31.041003][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 31.041201][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 31.041395][ C2] __do_softirq+0x1f8/0x5df [ 31.041594][ C2] irq_exit_rcu+0x97/0xc0 [ 31.041790][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.042026][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.042262][ C2] unwind_next_frame+0x12ef/0x1d00 [ 31.042473][ C2] __unwind_start+0x52b/0x800 [ 31.042671][ C2] arch_stack_walk+0x68/0xf0 [ 31.042872][ C2] stack_trace_save+0x94/0xd0 [ 31.043070][ C2] set_track_prepare+0x31/0x70 [ 31.043267][ C2] ___slab_alloc+0xe8b/0x10a0 [ 31.043468][ C2] kmem_cache_alloc+0x243/0x270 [ 31.043668][ C2] getname_flags+0x53/0x3d0 [ 31.043868][ C2] do_sys_openat2+0xdb/0x160 [ 31.044067][ C2] __x64_sys_openat+0x123/0x1e0 [ 31.044266][ C2] do_syscall_64+0xc6/0x1e0 [ 31.044465][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.044704][ C2] INITIAL USE at: [ 31.044822][ C2] __lock_acquire+0x797/0x1570 [ 31.045020][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.045216][ C2] _raw_write_lock_bh+0x38/0x50 [ 31.045415][ C2] addrconf_permanent_addr+0x6e/0x670 [ 31.045614][ C2] addrconf_notify+0x749/0xd60 [ 31.045903][ C2] notifier_call_chain+0xcd/0x150 [ 31.046099][ C2] __dev_notify_flags+0xe6/0x250 [ 31.046296][ C2] dev_change_flags+0xec/0x160 [ 31.046492][ C2] do_setlink+0x7d6/0x21e0 [ 31.046778][ C2] __rtnl_newlink+0xaa7/0xd80 [ 31.046975][ C2] rtnl_newlink+0x63/0xa0 [ 31.047169][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.047452][ C2] netlink_rcv_skb+0x130/0x360 [ 31.047647][ C2] netlink_unicast+0x449/0x710 [ 31.047865][ C2] netlink_sendmsg+0x723/0xbe0 [ 31.048061][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 31.048343][ C2] ___sys_sendmsg+0xee/0x170 [ 31.048539][ C2] __sys_sendmsg+0xcd/0x170 [ 31.048734][ C2] do_syscall_64+0xc6/0x1e0 [ 31.049018][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.049255][ C2] INITIAL READ USE at: [ 31.049374][ C2] __lock_acquire+0x797/0x1570 [ 31.049574][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.049870][ C2] _raw_read_lock_bh+0x44/0x80 [ 31.050071][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 31.050308][ C2] inet6_fill_link_af+0x5e/0xe0 [ 31.050595][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 31.050792][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 31.051028][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 31.051354][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 31.051551][ C2] register_netdevice+0x1177/0x1690 [ 31.051784][ C2] register_netdev+0x20/0x40 [ 31.052158][ C2] vti6_init_net+0x25d/0x380 [ 31.052359][ C2] ops_init+0x9b/0x560 [ 31.052556][ C2] register_pernet_operations+0x2db/0x710 [ 31.052879][ C2] register_pernet_device+0x2a/0x60 [ 31.053113][ C2] vti6_tunnel_init+0x18/0x110 [ 31.053307][ C2] do_one_initcall+0x8d/0x1e0 [ 31.053592][ C2] do_initcalls+0x1b2/0x3e0 [ 31.053797][ C2] kernel_init_freeable+0x232/0x310 [ 31.054047][ C2] kernel_init+0x20/0x200 [ 31.054242][ C2] ret_from_fork+0x31/0x70 [ 31.054526][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.054721][ C2] } [ 31.054802][ C2] ... key at: [] __key.37+0x0/0x40 [ 31.055132][ C2] ... acquired at: [ 31.055245][ C2] mark_lock+0x28d/0x3e0 [ 31.055399][ C2] mark_usage+0xd9/0x2a0 [ 31.055552][ C2] __lock_acquire+0x797/0x1570 [ 31.055705][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.055964][ C2] _raw_write_lock+0x30/0x40 [ 31.056120][ C2] addrconf_rs_timer+0xa9/0x730 [ 31.056276][ C2] call_timer_fn+0x13b/0x230 [ 31.056433][ C2] __run_timers+0x545/0x810 [ 31.056675][ C2] timer_expire_remote+0x9b/0xe0 [ 31.056831][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 31.056989][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 31.057143][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 31.057385][ C2] __do_softirq+0x1f8/0x5df [ 31.057542][ C2] irq_exit_rcu+0x97/0xc0 [ 31.057699][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.057891][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.058171][ C2] unwind_next_frame+0x12ef/0x1d00 [ 31.058327][ C2] __unwind_start+0x52b/0x800 [ 31.058485][ C2] arch_stack_walk+0x68/0xf0 [ 31.058641][ C2] stack_trace_save+0x94/0xd0 [ 31.058884][ C2] set_track_prepare+0x31/0x70 [ 31.059040][ C2] ___slab_alloc+0xe8b/0x10a0 [ 31.059198][ C2] kmem_cache_alloc+0x243/0x270 [ 31.059355][ C2] getname_flags+0x53/0x3d0 [ 31.059512][ C2] do_sys_openat2+0xdb/0x160 [ 31.059754][ C2] __x64_sys_openat+0x123/0x1e0 [ 31.059918][ C2] do_syscall_64+0xc6/0x1e0 [ 31.060073][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.060267][ C2] [ 31.060431][ C2] [ 31.060431][ C2] stack backtrace: [ 31.060621][ C2] CPU: 2 PID: 309 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 31.060855][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.061286][ C2] Call Trace: [ 31.061411][ C2] [ 31.061494][ C2] dump_stack_lvl+0x82/0xd0 [ 31.061653][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 31.061934][ C2] ? kernel_text_address+0xce/0xe0 [ 31.062094][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 31.062290][ C2] ? __pfx_usage_skip+0x10/0x10 [ 31.062444][ C2] ? __pfx_usage_match+0x10/0x10 [ 31.062694][ C2] ? arch_stack_walk+0xa2/0xf0 [ 31.062855][ C2] mark_lock_irq+0x4cd/0xa10 [ 31.063016][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 31.063175][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 31.063422][ C2] ? save_trace+0x8f/0x5b0 [ 31.063583][ C2] mark_lock+0x28d/0x3e0 [ 31.063702][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 31.063859][ C2] mark_usage+0xd9/0x2a0 [ 31.063978][ C2] __lock_acquire+0x797/0x1570 [ 31.064312][ C2] ? __pfx_validate_chain+0x10/0x10 [ 31.064472][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.064629][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.064785][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.065029][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.065186][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 31.065342][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.065498][ C2] ? lock_acquire+0x32/0xc0 [ 31.065654][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.065896][ C2] _raw_write_lock+0x30/0x40 [ 31.066054][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.066209][ C2] addrconf_rs_timer+0xa9/0x730 [ 31.066366][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.066610][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.066766][ C2] ? call_timer_fn+0xe8/0x230 [ 31.066921][ C2] ? lock_acquire+0x32/0xc0 [ 31.067078][ C2] ? call_timer_fn+0xe8/0x230 [ 31.067323][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.067481][ C2] call_timer_fn+0x13b/0x230 [ 31.067639][ C2] ? call_timer_fn+0xe8/0x230 [ 31.067798][ C2] ? call_timer_fn+0xe8/0x230 [ 31.068042][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 31.068205][ C2] ? mark_lock+0x38/0x3e0 [ 31.068328][ C2] __run_timers+0x545/0x810 [ 31.068486][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.068644][ C2] ? __pfx___run_timers+0x10/0x10 [ 31.068888][ C2] ? __lock_release+0x103/0x460 [ 31.069049][ C2] ? do_raw_spin_lock+0x131/0x270 [ 31.069207][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 31.069364][ C2] ? lock_acquire+0x32/0xc0 [ 31.069608][ C2] ? timer_expire_remote+0x93/0xe0 [ 31.069768][ C2] timer_expire_remote+0x9b/0xe0 [ 31.069931][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 31.070091][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 31.070377][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 31.070545][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 31.070701][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 31.070858][ C2] __do_softirq+0x1f8/0x5df [ 31.071104][ C2] irq_exit_rcu+0x97/0xc0 [ 31.071221][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.071376][ C2] [ 31.071456][ C2] [ 31.071534][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.071730][ C2] RIP: 0010:unwind_next_frame+0x12ef/0x1d00 [ 31.072023][ C2] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 cd 06 00 00 49 89 6d 50 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e b2 06 00 00 41 3b 5d 00 0f 84 [ 31.072685][ C2] RSP: 0018:ffffc90000f0f938 EFLAGS: 00000a02 [ 31.072886][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90000f10000 [ 31.073123][ C2] RDX: 1ffff920001e1f51 RSI: 0000000000000001 RDI: ffffc90000f0fad8 [ 31.073444][ C2] RBP: ffffc90000f0fd10 R08: ffffc90000f0fac8 R09: 1ffff920001e1f30 [ 31.073688][ C2] R10: ffffc90000f0fa88 R11: ffffc90000f0fac9 R12: 1ffff920001e1f30 [ 31.073921][ C2] R13: ffffc90000f0fa88 R14: ffffffff92733466 R15: ffffc90000f0fb28 [ 31.074247][ C2] ? unwind_next_frame+0x1478/0x1d00 [ 31.074406][ C2] ? arch_stack_walk+0x68/0xf0 [ 31.074562][ C2] ? is_bpf_text_address+0x71/0x120 [ 31.074723][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 31.074966][ C2] ? __pfx_validate_chain+0x10/0x10 [ 31.075122][ C2] ? hlock_class+0x4e/0x130 [ 31.075276][ C2] ? mark_lock+0x38/0x3e0 [ 31.075392][ C2] ? arch_stack_walk+0xa2/0xf0 [ 31.075546][ C2] ? get_stack_info_noinstr+0x18/0x110 [ 31.075794][ C2] __unwind_start+0x52b/0x800 [ 31.075949][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 31.076141][ C2] arch_stack_walk+0x68/0xf0 [ 31.076297][ C2] ? stack_trace_save+0x94/0xd0 [ 31.076628][ C2] stack_trace_save+0x94/0xd0 [ 31.076782][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 31.076940][ C2] set_track_prepare+0x31/0x70 [ 31.077095][ C2] ? get_partial_node.part.0+0x1c5/0x3a0 [ 31.077341][ C2] ___slab_alloc+0xe8b/0x10a0 [ 31.077497][ C2] ? kmem_cache_alloc+0x42/0x270 [ 31.077653][ C2] ? getname_flags+0x53/0x3d0 [ 31.077811][ C2] ? __pfx___lock_release+0x10/0x10 [ 31.078058][ C2] ? getname_flags+0x53/0x3d0 [ 31.078215][ C2] ? kmem_cache_alloc+0x243/0x270 [ 31.078373][ C2] kmem_cache_alloc+0x243/0x270 [ 31.078533][ C2] getname_flags+0x53/0x3d0 [ 31.078777][ C2] do_sys_openat2+0xdb/0x160 [ 31.078936][ C2] ? vfs_fstatat+0x9e/0xc0 [ 31.079093][ C2] ? __pfx_do_sys_openat2+0x10/0x10 [ 31.079250][ C2] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 31.079404][ C2] ? hrtimer_interrupt+0x311/0x770 [ 31.079651][ C2] __x64_sys_openat+0x123/0x1e0 [ 31.079808][ C2] ? __pfx___x64_sys_openat+0x10/0x10 [ 31.079974][ C2] do_syscall_64+0xc6/0x1e0 [ 31.080132][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.080419][ C2] RIP: 0033:0x7f32d9c0b0e8 [ 31.080581][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7 [ 31.081224][ C2] RSP: 002b:00007ffe86664bf8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 31.081464][ C2] RAX: ffffffffffffffda RBX: 00007ffe86664e8f RCX: 00007f32d9c0b0e8 [ 31.081702][ C2] RDX: 0000000000080000 RSI: 00007ffe86664c70 RDI: 00000000ffffff9c [ 31.082024][ C2] RBP: 00007ffe86664c60 R08: 0000000000080000 R09: 00007ffe86664c70 [ 31.082256][ C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe86664c77 [ 31.082580][ C2] R13: 00007ffe86664ea0 R14: 00007ffe86664c70 R15: 00007f32d9bdc000 [ 31.082815][ C2]