[ 23.626690][ T243] ip (243) used greatest stack depth: 24360 bytes left [ 25.002349][ T264] veth0: renamed from veth-rt-1 [ 26.431046][ T273] veth0: renamed from veth-rt-2 [ 27.577832][ T281] ip (281) used greatest stack depth: 24144 bytes left [ 30.505736][ C2] [ 30.505918][ C2] ======================================================== [ 30.506162][ C2] WARNING: possible irq lock inversion dependency detected [ 30.506406][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 30.506567][ C2] -------------------------------------------------------- [ 30.506803][ C2] sysctl/301 just changed the state of lock: [ 30.507002][ C2] ffff88800627d580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 30.507298][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 30.507543][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 30.507547][ C2] [ 30.507547][ C2] [ 30.507547][ C2] and interrupts could create inverse lock ordering between them. [ 30.507547][ C2] [ 30.508134][ C2] [ 30.508134][ C2] other info that might help us debug this: [ 30.508369][ C2] Possible interrupt unsafe locking scenario: [ 30.508369][ C2] [ 30.508608][ C2] CPU0 CPU1 [ 30.508772][ C2] ---- ---- [ 30.508930][ C2] lock(&p->alloc_lock); [ 30.509052][ C2] local_irq_disable(); [ 30.509252][ C2] lock(&ndev->lock); [ 30.509450][ C2] lock(&p->alloc_lock); [ 30.509647][ C2] [ 30.509766][ C2] lock(&ndev->lock); [ 30.509891][ C2] [ 30.509891][ C2] *** DEADLOCK *** [ 30.509891][ C2] [ 30.510124][ C2] 2 locks held by sysctl/301: [ 30.510284][ C2] #0: ffffffffa4f37510 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 30.510613][ C2] #1: ffffc90000230b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 30.510897][ C2] [ 30.510897][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 30.511176][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 30.511345][ C2] HARDIRQ-ON-W at: [ 30.511467][ C2] __lock_acquire+0x797/0x1570 [ 30.511674][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.511877][ C2] _raw_spin_lock+0x30/0x40 [ 30.512083][ C2] set_mems_allowed+0x1d/0x210 [ 30.512292][ C2] kernel_init_freeable+0x72/0x310 [ 30.512497][ C2] kernel_init+0x20/0x200 [ 30.512702][ C2] ret_from_fork+0x31/0x70 [ 30.512904][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.513107][ C2] SOFTIRQ-ON-W at: [ 30.513228][ C2] __lock_acquire+0x797/0x1570 [ 30.513459][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.513671][ C2] _raw_spin_lock+0x30/0x40 [ 30.513872][ C2] set_mems_allowed+0x1d/0x210 [ 30.514073][ C2] kernel_init_freeable+0x72/0x310 [ 30.514276][ C2] kernel_init+0x20/0x200 [ 30.514478][ C2] ret_from_fork+0x31/0x70 [ 30.514680][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.514886][ C2] INITIAL USE at: [ 30.515007][ C2] __lock_acquire+0x797/0x1570 [ 30.515210][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.515414][ C2] _raw_spin_lock+0x30/0x40 [ 30.515618][ C2] set_mems_allowed+0x1d/0x210 [ 30.515819][ C2] kernel_init_freeable+0x72/0x310 [ 30.516023][ C2] kernel_init+0x20/0x200 [ 30.516226][ C2] ret_from_fork+0x31/0x70 [ 30.516430][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.516631][ C2] } [ 30.516715][ C2] ... key at: [] __key.388+0x0/0x40 [ 30.516959][ C2] ... acquired at: [ 30.517080][ C2] __lock_acquire+0xaf0/0x1570 [ 30.517256][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.517419][ C2] _raw_spin_lock+0x30/0x40 [ 30.517582][ C2] __get_task_comm+0x27/0x70 [ 30.517744][ C2] ref_tracker_alloc+0x2ee/0x490 [ 30.517905][ C2] netdev_get_by_index+0x5e/0x80 [ 30.518066][ C2] fib6_nh_init+0x3d8/0x1580 [ 30.518226][ C2] ip6_route_info_create+0xf18/0x17d0 [ 30.518387][ C2] ip6_route_add+0x1c/0x140 [ 30.518549][ C2] addrconf_prefix_route+0x2a6/0x430 [ 30.518711][ C2] addrconf_permanent_addr+0x32f/0x670 [ 30.518872][ C2] addrconf_notify+0x749/0xd60 [ 30.519033][ C2] notifier_call_chain+0xcd/0x150 [ 30.519193][ C2] __dev_notify_flags+0xe6/0x250 [ 30.519354][ C2] dev_change_flags+0xec/0x160 [ 30.519512][ C2] do_setlink+0x7d6/0x21e0 [ 30.519674][ C2] __rtnl_newlink+0xaa7/0xd80 [ 30.519838][ C2] rtnl_newlink+0x63/0xa0 [ 30.519998][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.520159][ C2] netlink_rcv_skb+0x130/0x360 [ 30.520321][ C2] netlink_unicast+0x449/0x710 [ 30.520482][ C2] netlink_sendmsg+0x723/0xbe0 [ 30.520641][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 30.520803][ C2] ___sys_sendmsg+0xee/0x170 [ 30.520963][ C2] __sys_sendmsg+0xcd/0x170 [ 30.521125][ C2] do_syscall_64+0xc6/0x1e0 [ 30.521290][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.521489][ C2] [ 30.521570][ C2] -> (&ndev->lock){++-.}-{2:2} { [ 30.521735][ C2] HARDIRQ-ON-W at: [ 30.521856][ C2] __lock_acquire+0x797/0x1570 [ 30.522058][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.522260][ C2] _raw_write_lock_bh+0x38/0x50 [ 30.522463][ C2] addrconf_permanent_addr+0x6e/0x670 [ 30.522668][ C2] addrconf_notify+0x749/0xd60 [ 30.522869][ C2] notifier_call_chain+0xcd/0x150 [ 30.523070][ C2] __dev_notify_flags+0xe6/0x250 [ 30.523278][ C2] dev_change_flags+0xec/0x160 [ 30.523480][ C2] do_setlink+0x7d6/0x21e0 [ 30.523685][ C2] __rtnl_newlink+0xaa7/0xd80 [ 30.523890][ C2] rtnl_newlink+0x63/0xa0 [ 30.524094][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.524295][ C2] netlink_rcv_skb+0x130/0x360 [ 30.524605][ C2] netlink_unicast+0x449/0x710 [ 30.524809][ C2] netlink_sendmsg+0x723/0xbe0 [ 30.525012][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 30.525216][ C2] ___sys_sendmsg+0xee/0x170 [ 30.525529][ C2] __sys_sendmsg+0xcd/0x170 [ 30.525730][ C2] do_syscall_64+0xc6/0x1e0 [ 30.525931][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.526279][ C2] HARDIRQ-ON-R at: [ 30.526401][ C2] __lock_acquire+0x797/0x1570 [ 30.526603][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.526812][ C2] _raw_read_lock_bh+0x44/0x80 [ 30.527125][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.527326][ C2] inet6_fill_link_af+0x5e/0xe0 [ 30.527529][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.527837][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.528038][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.528282][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 30.528591][ C2] register_netdevice+0x1177/0x1690 [ 30.528792][ C2] register_netdev+0x20/0x40 [ 30.528992][ C2] vti6_init_net+0x25d/0x380 [ 30.529194][ C2] ops_init+0x9b/0x560 [ 30.529568][ C2] register_pernet_operations+0x2db/0x710 [ 30.529807][ C2] register_pernet_device+0x2a/0x60 [ 30.530011][ C2] vti6_tunnel_init+0x18/0x110 [ 30.530320][ C2] do_one_initcall+0x8d/0x1e0 [ 30.530523][ C2] do_initcalls+0x1b2/0x3e0 [ 30.530724][ C2] kernel_init_freeable+0x232/0x310 [ 30.530924][ C2] kernel_init+0x20/0x200 [ 30.531234][ C2] ret_from_fork+0x31/0x70 [ 30.531440][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.531642][ C2] IN-SOFTIRQ-W at: [ 30.531868][ C2] __lock_acquire+0x797/0x1570 [ 30.532070][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.532272][ C2] _raw_write_lock+0x30/0x40 [ 30.532473][ C2] addrconf_rs_timer+0xa9/0x730 [ 30.532782][ C2] call_timer_fn+0x13b/0x230 [ 30.532988][ C2] __run_timers+0x545/0x810 [ 30.533190][ C2] timer_expire_remote+0x9b/0xe0 [ 30.533521][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 30.533726][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.533928][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 30.534130][ C2] __do_softirq+0x1f8/0x5df [ 30.534446][ C2] irq_exit_rcu+0x97/0xc0 [ 30.534649][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.534892][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.535239][ C2] kasan_report+0x6/0xf0 [ 30.535448][ C2] memchr_inv+0x1f4/0x260 [ 30.535648][ C2] slab_pad_check.part.0+0xb0/0x1b0 [ 30.535960][ C2] free_slab+0xdb/0x100 [ 30.536164][ C2] qlist_free_all+0x4c/0x140 [ 30.536366][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 30.536673][ C2] __kasan_slab_alloc+0x49/0x70 [ 30.536875][ C2] kmem_cache_alloc+0xef/0x270 [ 30.537077][ C2] p9_tag_alloc+0x99/0x700 [ 30.537279][ C2] p9_client_prepare_req+0xe6/0x290 [ 30.537589][ C2] p9_client_rpc+0x18d/0x930 [ 30.537795][ C2] p9_client_clunk+0x74/0xe0 [ 30.537996][ C2] v9fs_dentry_release+0xb9/0x140 [ 30.538305][ C2] __dentry_kill+0x1d9/0x4f0 [ 30.538505][ C2] dput.part.0+0x333/0x6c0 [ 30.538705][ C2] walk_component+0x199/0x4f0 [ 30.538909][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 30.539257][ C2] path_lookupat+0x72/0x660 [ 30.539458][ C2] filename_lookup+0x19e/0x420 [ 30.539667][ C2] vfs_statx+0xe8/0x460 [ 30.539976][ C2] vfs_fstatat+0x93/0xc0 [ 30.540177][ C2] __do_sys_newfstatat+0x6b/0xc0 [ 30.540377][ C2] do_syscall_64+0xc6/0x1e0 [ 30.540689][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.540930][ C2] INITIAL USE at: [ 30.541050][ C2] __lock_acquire+0x797/0x1570 [ 30.541253][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.541561][ C2] _raw_write_lock_bh+0x38/0x50 [ 30.541763][ C2] addrconf_permanent_addr+0x6e/0x670 [ 30.541966][ C2] addrconf_notify+0x749/0xd60 [ 30.542380][ C2] notifier_call_chain+0xcd/0x150 [ 30.542581][ C2] __dev_notify_flags+0xe6/0x250 [ 30.542784][ C2] dev_change_flags+0xec/0x160 [ 30.542985][ C2] do_setlink+0x7d6/0x21e0 [ 30.543300][ C2] __rtnl_newlink+0xaa7/0xd80 [ 30.543502][ C2] rtnl_newlink+0x63/0xa0 [ 30.543706][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.544014][ C2] netlink_rcv_skb+0x130/0x360 [ 30.544215][ C2] netlink_unicast+0x449/0x710 [ 30.544417][ C2] netlink_sendmsg+0x723/0xbe0 [ 30.544725][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 30.544928][ C2] ___sys_sendmsg+0xee/0x170 [ 30.545133][ C2] __sys_sendmsg+0xcd/0x170 [ 30.545334][ C2] do_syscall_64+0xc6/0x1e0 [ 30.545646][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.545887][ C2] INITIAL READ USE at: [ 30.546008][ C2] __lock_acquire+0x797/0x1570 [ 30.546316][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.546518][ C2] _raw_read_lock_bh+0x44/0x80 [ 30.546723][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.546963][ C2] inet6_fill_link_af+0x5e/0xe0 [ 30.547278][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.547477][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.547725][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.548077][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 30.548278][ C2] register_netdevice+0x1177/0x1690 [ 30.548519][ C2] register_netdev+0x20/0x40 [ 30.548827][ C2] vti6_init_net+0x25d/0x380 [ 30.549028][ C2] ops_init+0x9b/0x560 [ 30.549229][ C2] register_pernet_operations+0x2db/0x710 [ 30.549579][ C2] register_pernet_device+0x2a/0x60 [ 30.549819][ C2] vti6_tunnel_init+0x18/0x110 [ 30.550022][ C2] do_one_initcall+0x8d/0x1e0 [ 30.550331][ C2] do_initcalls+0x1b2/0x3e0 [ 30.550542][ C2] kernel_init_freeable+0x232/0x310 [ 30.550783][ C2] kernel_init+0x20/0x200 [ 30.551096][ C2] ret_from_fork+0x31/0x70 [ 30.551297][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.551499][ C2] } [ 30.551580][ C2] ... key at: [] __key.37+0x0/0x40 [ 30.551924][ C2] ... acquired at: [ 30.552042][ C2] mark_lock+0x28d/0x3e0 [ 30.552202][ C2] mark_usage+0xd9/0x2a0 [ 30.552362][ C2] __lock_acquire+0x797/0x1570 [ 30.552525][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.552792][ C2] _raw_write_lock+0x30/0x40 [ 30.552951][ C2] addrconf_rs_timer+0xa9/0x730 [ 30.553110][ C2] call_timer_fn+0x13b/0x230 [ 30.553275][ C2] __run_timers+0x545/0x810 [ 30.553438][ C2] timer_expire_remote+0x9b/0xe0 [ 30.553599][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 30.553759][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.553923][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 30.554187][ C2] __do_softirq+0x1f8/0x5df [ 30.554347][ C2] irq_exit_rcu+0x97/0xc0 [ 30.554508][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.554707][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.555117][ C2] kasan_report+0x6/0xf0 [ 30.555277][ C2] memchr_inv+0x1f4/0x260 [ 30.555437][ C2] slab_pad_check.part.0+0xb0/0x1b0 [ 30.555601][ C2] free_slab+0xdb/0x100 [ 30.555829][ C2] qlist_free_all+0x4c/0x140 [ 30.555989][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 30.556149][ C2] __kasan_slab_alloc+0x49/0x70 [ 30.556313][ C2] kmem_cache_alloc+0xef/0x270 [ 30.556474][ C2] p9_tag_alloc+0x99/0x700 [ 30.556739][ C2] p9_client_prepare_req+0xe6/0x290 [ 30.556898][ C2] p9_client_rpc+0x18d/0x930 [ 30.557058][ C2] p9_client_clunk+0x74/0xe0 [ 30.557222][ C2] v9fs_dentry_release+0xb9/0x140 [ 30.557488][ C2] __dentry_kill+0x1d9/0x4f0 [ 30.557647][ C2] dput.part.0+0x333/0x6c0 [ 30.557806][ C2] walk_component+0x199/0x4f0 [ 30.557966][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 30.558270][ C2] path_lookupat+0x72/0x660 [ 30.558430][ C2] filename_lookup+0x19e/0x420 [ 30.558590][ C2] vfs_statx+0xe8/0x460 [ 30.558713][ C2] vfs_fstatat+0x93/0xc0 [ 30.558980][ C2] __do_sys_newfstatat+0x6b/0xc0 [ 30.559140][ C2] do_syscall_64+0xc6/0x1e0 [ 30.559299][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.559497][ C2] [ 30.559577][ C2] [ 30.559577][ C2] stack backtrace: [ 30.559877][ C2] CPU: 2 PID: 301 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 30.560116][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.560577][ C2] Call Trace: [ 30.560706][ C2] [ 30.560788][ C2] dump_stack_lvl+0x82/0xd0 [ 30.560951][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 30.561150][ C2] ? kernel_text_address+0xce/0xe0 [ 30.561419][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 30.561616][ C2] ? __pfx_usage_skip+0x10/0x10 [ 30.561779][ C2] ? __pfx_usage_match+0x10/0x10 [ 30.561937][ C2] ? arch_stack_walk+0xa2/0xf0 [ 30.562204][ C2] mark_lock_irq+0x4cd/0xa10 [ 30.562365][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 30.562524][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 30.562686][ C2] ? save_trace+0x8f/0x5b0 [ 30.562952][ C2] mark_lock+0x28d/0x3e0 [ 30.563072][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 30.563239][ C2] mark_usage+0xd9/0x2a0 [ 30.563364][ C2] __lock_acquire+0x797/0x1570 [ 30.563528][ C2] ? __pfx_validate_chain+0x10/0x10 [ 30.563793][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.563954][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.564114][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.564275][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.564541][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 30.564704][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.564862][ C2] ? lock_acquire+0x32/0xc0 [ 30.565022][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.565288][ C2] _raw_write_lock+0x30/0x40 [ 30.565447][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.565607][ C2] addrconf_rs_timer+0xa9/0x730 [ 30.565766][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.565927][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.566191][ C2] ? call_timer_fn+0xe8/0x230 [ 30.566353][ C2] ? lock_acquire+0x32/0xc0 [ 30.566513][ C2] ? call_timer_fn+0xe8/0x230 [ 30.566673][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.566940][ C2] call_timer_fn+0x13b/0x230 [ 30.567100][ C2] ? call_timer_fn+0xe8/0x230 [ 30.567259][ C2] ? call_timer_fn+0xe8/0x230 [ 30.567420][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 30.567787][ C2] ? hlock_class+0x4e/0x130 [ 30.567951][ C2] ? mark_held_locks+0x9e/0xe0 [ 30.568114][ C2] __run_timers+0x545/0x810 [ 30.568275][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.568543][ C2] ? __pfx___run_timers+0x10/0x10 [ 30.568703][ C2] ? __lock_release+0x103/0x460 [ 30.568865][ C2] ? do_raw_spin_lock+0x131/0x270 [ 30.569025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.569185][ C2] ? lock_acquire+0x32/0xc0 [ 30.569449][ C2] ? timer_expire_remote+0x93/0xe0 [ 30.569616][ C2] timer_expire_remote+0x9b/0xe0 [ 30.569775][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 30.569935][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 30.570237][ C2] ? hlock_class+0x4e/0x130 [ 30.570397][ C2] ? mark_lock+0x38/0x3e0 [ 30.570519][ C2] ? mark_held_locks+0x9e/0xe0 [ 30.570681][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.570947][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 30.571111][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 30.571271][ C2] ? mark_held_locks+0x9e/0xe0 [ 30.571433][ C2] __do_softirq+0x1f8/0x5df [ 30.571700][ C2] irq_exit_rcu+0x97/0xc0 [ 30.571826][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.571987][ C2] [ 30.572070][ C2] [ 30.572150][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.572349][ C2] RIP: 0010:kasan_report+0x6/0xf0 [ 30.572628][ C2] Code: c4 68 5b 5d 41 5c c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 <41> 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b [ 30.573307][ C2] RSP: 0018:ffffc90000e9f420 EFLAGS: 00000246 [ 30.573514][ C2] RAX: ffff8880061e8000 RBX: ffff8880061e6c98 RCX: ffffffffa3a58784 [ 30.573753][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880061e6c98 [ 30.574103][ C2] RBP: 0000000000002000 R08: 0000000000000001 R09: fffffbfff4dc32a9 [ 30.574342][ C2] R10: ffffffffa6e1954f R11: 0000000000001000 R12: 5a5a5a5a5a5a5a5a [ 30.574581][ C2] R13: 000000000000005a R14: dffffc0000000000 R15: ffff8880061e6000 [ 30.574931][ C2] ? memchr_inv+0x1f4/0x260 [ 30.575092][ C2] memchr_inv+0x1f4/0x260 [ 30.575217][ C2] slab_pad_check.part.0+0xb0/0x1b0 [ 30.575380][ C2] free_slab+0xdb/0x100 [ 30.575502][ C2] qlist_free_all+0x4c/0x140 [ 30.575768][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 30.575929][ C2] __kasan_slab_alloc+0x49/0x70 [ 30.576092][ C2] kmem_cache_alloc+0xef/0x270 [ 30.576253][ C2] ? kernel_text_address+0xce/0xe0 [ 30.576516][ C2] p9_tag_alloc+0x99/0x700 [ 30.576678][ C2] ? __pfx_p9_tag_alloc+0x10/0x10 [ 30.576842][ C2] ? hlock_class+0x4e/0x130 [ 30.577001][ C2] ? validate_chain+0x130/0x9b0 [ 30.577266][ C2] ? hlock_class+0x4e/0x130 [ 30.577426][ C2] p9_client_prepare_req+0xe6/0x290 [ 30.577585][ C2] ? hlock_class+0x4e/0x130 [ 30.577744][ C2] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 30.578046][ C2] ? __lock_acquire+0xaf0/0x1570 [ 30.578207][ C2] p9_client_rpc+0x18d/0x930 [ 30.578371][ C2] ? __pfx_p9_client_rpc+0x10/0x10 [ 30.578533][ C2] ? __lock_release+0x103/0x460 [ 30.578693][ C2] ? list_lru_add+0x76/0x250 [ 30.578958][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.579120][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.579281][ C2] ? find_held_lock+0x2c/0x110 [ 30.579440][ C2] ? __lock_release+0x103/0x460 [ 30.579707][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.579872][ C2] p9_client_clunk+0x74/0xe0 [ 30.580034][ C2] v9fs_dentry_release+0xb9/0x140 [ 30.580196][ C2] __dentry_kill+0x1d9/0x4f0 [ 30.580562][ C2] ? __pfx_kfree_link+0x10/0x10 [ 30.580723][ C2] dput.part.0+0x333/0x6c0 [ 30.580882][ C2] walk_component+0x199/0x4f0 [ 30.581043][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 30.581348][ C2] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 30.581547][ C2] ? validate_chain+0x130/0x9b0 [ 30.581711][ C2] ? hlock_class+0x4e/0x130 [ 30.581871][ C2] path_lookupat+0x72/0x660 [ 30.582135][ C2] filename_lookup+0x19e/0x420 [ 30.582296][ C2] ? __pfx_filename_lookup+0x10/0x10 [ 30.582458][ C2] ? __pfx_kfree_link+0x10/0x10 [ 30.582617][ C2] ? find_held_lock+0x2c/0x110 [ 30.582881][ C2] ? __lock_release+0x103/0x460 [ 30.583043][ C2] ? __might_fault+0x11b/0x170 [ 30.583203][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.583382][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 30.583544][ C2] vfs_statx+0xe8/0x460 [ 30.583772][ C2] ? __pfx_vfs_statx+0x10/0x10 [ 30.583932][ C2] ? getname_flags+0xbd/0x3d0 [ 30.584094][ C2] vfs_fstatat+0x93/0xc0 [ 30.584215][ C2] __do_sys_newfstatat+0x6b/0xc0 [ 30.584477][ C2] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 30.584638][ C2] ? __x64_sys_openat+0x123/0x1e0 [ 30.584802][ C2] ? __pfx___x64_sys_openat+0x10/0x10 [ 30.584962][ C2] ? __pfx_do_faccessat+0x10/0x10 [ 30.585124][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 30.585429][ C2] do_syscall_64+0xc6/0x1e0 [ 30.585588][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.585786][ C2] RIP: 0033:0x7f80dca3ceae [ 30.586056][ C2] Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 07 00 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 f7 d8 89 05 [ 30.586622][ C2] RSP: 002b:00007ffedfe89518 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 30.586972][ C2] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f80dca3ceae [ 30.587211][ C2] RDX: 00007ffedfe895e0 RSI: 00007ffedfe89520 RDI: 00000000ffffff9c [ 30.587450][ C2] RBP: 00007ffedfe896a0 R08: 00000000ffffffff R09: 00007ffedfe89520 [ 30.587797][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffedfe89527 [ 30.588035][ C2] R13: 00007ffedfe89520 R14: 00007f80dca4c220 R15: 00007f80dca0e000 [ 30.588276][ C2]