[ 29.580685][ T293] ip (293) used greatest stack depth: 23744 bytes left [ 40.738107][ C3] [ 40.738288][ C3] ======================================================== [ 40.738534][ C3] WARNING: possible irq lock inversion dependency detected [ 40.738777][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 40.738941][ C3] -------------------------------------------------------- [ 40.739180][ C3] ip/409 just changed the state of lock: [ 40.739339][ C3] ffff8880065e0d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 40.739634][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 40.739873][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 40.739878][ C3] [ 40.739878][ C3] [ 40.739878][ C3] and interrupts could create inverse lock ordering between them. [ 40.739878][ C3] [ 40.740468][ C3] [ 40.740468][ C3] other info that might help us debug this: [ 40.740714][ C3] Possible interrupt unsafe locking scenario: [ 40.740714][ C3] [ 40.740954][ C3] CPU0 CPU1 [ 40.741114][ C3] ---- ---- [ 40.741276][ C3] lock(&p->alloc_lock); [ 40.741400][ C3] local_irq_disable(); [ 40.741605][ C3] lock(&ndev->lock); [ 40.741808][ C3] lock(&p->alloc_lock); [ 40.742008][ C3] [ 40.742131][ C3] lock(&ndev->lock); [ 40.742255][ C3] [ 40.742255][ C3] *** DEADLOCK *** [ 40.742255][ C3] [ 40.742490][ C3] 2 locks held by ip/409: [ 40.742612][ C3] #0: ffffffff87937510 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 40.742948][ C3] #1: ffffc90000288b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 40.743238][ C3] [ 40.743238][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 40.743519][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 40.743690][ C3] HARDIRQ-ON-W at: [ 40.743815][ C3] __lock_acquire+0x797/0x1570 [ 40.744026][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.744232][ C3] _raw_spin_lock+0x30/0x40 [ 40.744438][ C3] set_mems_allowed+0x1d/0x210 [ 40.744645][ C3] kernel_init_freeable+0x72/0x310 [ 40.744852][ C3] kernel_init+0x20/0x200 [ 40.745058][ C3] ret_from_fork+0x31/0x70 [ 40.745267][ C3] ret_from_fork_asm+0x1a/0x30 [ 40.745472][ C3] SOFTIRQ-ON-W at: [ 40.745595][ C3] __lock_acquire+0x797/0x1570 [ 40.745812][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.746017][ C3] _raw_spin_lock+0x30/0x40 [ 40.746221][ C3] set_mems_allowed+0x1d/0x210 [ 40.746435][ C3] kernel_init_freeable+0x72/0x310 [ 40.746641][ C3] kernel_init+0x20/0x200 [ 40.746846][ C3] ret_from_fork+0x31/0x70 [ 40.747052][ C3] ret_from_fork_asm+0x1a/0x30 [ 40.747258][ C3] INITIAL USE at: [ 40.747387][ C3] __lock_acquire+0x797/0x1570 [ 40.747594][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.747799][ C3] _raw_spin_lock+0x30/0x40 [ 40.748004][ C3] set_mems_allowed+0x1d/0x210 [ 40.748215][ C3] kernel_init_freeable+0x72/0x310 [ 40.748419][ C3] kernel_init+0x20/0x200 [ 40.748624][ C3] ret_from_fork+0x31/0x70 [ 40.748829][ C3] ret_from_fork_asm+0x1a/0x30 [ 40.749037][ C3] } [ 40.749121][ C3] ... key at: [] __key.388+0x0/0x40 [ 40.749367][ C3] ... acquired at: [ 40.749489][ C3] __lock_acquire+0xaf0/0x1570 [ 40.749661][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.749826][ C3] _raw_spin_lock+0x30/0x40 [ 40.749991][ C3] __get_task_comm+0x27/0x70 [ 40.750155][ C3] ref_tracker_alloc+0x2ee/0x490 [ 40.750326][ C3] netdev_get_by_index+0x5e/0x80 [ 40.750490][ C3] fib6_nh_init+0x3d8/0x1580 [ 40.750655][ C3] ip6_route_info_create+0xf18/0x17d0 [ 40.750818][ C3] addrconf_f6i_alloc+0x265/0x560 [ 40.750980][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 40.751144][ C3] addrconf_join_anycast+0x1c0/0x220 [ 40.751307][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 40.751473][ C3] addrconf_dad_completed+0x12b/0xe20 [ 40.751635][ C3] addrconf_dad_begin+0x310/0x670 [ 40.751803][ C3] addrconf_dad_work+0x10b/0xab0 [ 40.751964][ C3] process_one_work+0xe2c/0x1730 [ 40.752128][ C3] worker_thread+0x587/0xd30 [ 40.752290][ C3] kthread+0x28a/0x350 [ 40.752413][ C3] ret_from_fork+0x31/0x70 [ 40.752577][ C3] ret_from_fork_asm+0x1a/0x30 [ 40.752742][ C3] [ 40.752824][ C3] -> (&ndev->lock){++-.}-{2:2} { [ 40.752990][ C3] HARDIRQ-ON-W at: [ 40.753113][ C3] __lock_acquire+0x797/0x1570 [ 40.753318][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.753523][ C3] _raw_write_lock_bh+0x38/0x50 [ 40.753727][ C3] addrconf_permanent_addr+0x6e/0x670 [ 40.753934][ C3] addrconf_notify+0x749/0xd60 [ 40.754138][ C3] notifier_call_chain+0xcd/0x150 [ 40.754350][ C3] __dev_notify_flags+0xe6/0x250 [ 40.754557][ C3] dev_change_flags+0xec/0x160 [ 40.754761][ C3] do_setlink+0x7d6/0x21e0 [ 40.754966][ C3] __rtnl_newlink+0xaa7/0xd80 [ 40.755171][ C3] rtnl_newlink+0x63/0xa0 [ 40.755376][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 40.755580][ C3] netlink_rcv_skb+0x130/0x360 [ 40.755791][ C3] netlink_unicast+0x449/0x710 [ 40.755995][ C3] netlink_sendmsg+0x723/0xbe0 [ 40.756199][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 40.756406][ C3] ___sys_sendmsg+0xee/0x170 [ 40.756612][ C3] __sys_sendmsg+0xcd/0x170 [ 40.756816][ C3] do_syscall_64+0xc6/0x1e0 [ 40.757020][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.757265][ C3] HARDIRQ-ON-R at: [ 40.757388][ C3] __lock_acquire+0x797/0x1570 [ 40.757592][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.757797][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.758011][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 40.758215][ C3] inet6_fill_link_af+0x5e/0xe0 [ 40.758419][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 40.758623][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 40.758827][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 40.759071][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 40.759277][ C3] register_netdevice+0x1177/0x1690 [ 40.759482][ C3] register_netdev+0x20/0x40 [ 40.759686][ C3] vti6_init_net+0x25d/0x380 [ 40.759892][ C3] ops_init+0x9b/0x560 [ 40.760057][ C3] register_pernet_operations+0x2db/0x710 [ 40.760301][ C3] register_pernet_device+0x2a/0x60 [ 40.760509][ C3] vti6_tunnel_init+0x18/0x110 [ 40.760717][ C3] do_one_initcall+0x8d/0x1e0 [ 40.760921][ C3] do_initcalls+0x1b2/0x3e0 [ 40.761125][ C3] kernel_init_freeable+0x232/0x310 [ 40.761330][ C3] kernel_init+0x20/0x200 [ 40.761535][ C3] ret_from_fork+0x31/0x70 [ 40.761739][ C3] ret_from_fork_asm+0x1a/0x30 [ 40.761945][ C3] IN-SOFTIRQ-W at: [ 40.762068][ C3] __lock_acquire+0x797/0x1570 [ 40.762275][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.762479][ C3] _raw_write_lock+0x30/0x40 [ 40.762685][ C3] addrconf_rs_timer+0xa9/0x730 [ 40.762890][ C3] call_timer_fn+0x13b/0x230 [ 40.763096][ C3] __run_timers+0x545/0x810 [ 40.763303][ C3] timer_expire_remote+0x9b/0xe0 [ 40.763516][ C3] tmigr_handle_remote_cpu+0x270/0x430 [ 40.763723][ C3] tmigr_handle_remote_up+0x19f/0x2e0 [ 40.763928][ C3] tmigr_handle_remote+0x21d/0x3a0 [ 40.764245][ C3] __do_softirq+0x1f8/0x5df [ 40.764450][ C3] irq_exit_rcu+0x97/0xc0 [ 40.764659][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 40.764905][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 40.765149][ C3] kasan_report+0x19/0xf0 [ 40.765353][ C3] memchr_inv+0x1f4/0x260 [ 40.765672][ C3] check_bytes_and_report+0x5d/0x150 [ 40.765886][ C3] check_object+0x2b9/0x370 [ 40.766093][ C3] free_slab+0x86/0x100 [ 40.766299][ C3] qlist_free_all+0x4c/0x140 [ 40.766611][ C3] kasan_quarantine_reduce+0x192/0x1e0 [ 40.766817][ C3] __kasan_slab_alloc+0x49/0x70 [ 40.767022][ C3] kmem_cache_alloc+0xef/0x270 [ 40.767335][ C3] p9_tag_alloc+0x99/0x700 [ 40.767546][ C3] p9_client_prepare_req+0xe6/0x290 [ 40.767749][ C3] p9_client_rpc+0x18d/0x930 [ 40.768061][ C3] p9_client_clunk+0x74/0xe0 [ 40.768265][ C3] v9fs_dentry_release+0xb9/0x140 [ 40.768470][ C3] __dentry_kill+0x1d9/0x4f0 [ 40.768675][ C3] dput.part.0+0x333/0x6c0 [ 40.768880][ C3] walk_component+0x199/0x4f0 [ 40.769089][ C3] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 40.769335][ C3] path_openat+0x1be/0x440 [ 40.769649][ C3] do_filp_open+0x1b3/0x3e0 [ 40.769853][ C3] do_sys_openat2+0x122/0x160 [ 40.770058][ C3] __x64_sys_openat+0x123/0x1e0 [ 40.770369][ C3] do_syscall_64+0xc6/0x1e0 [ 40.770577][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.770821][ C3] INITIAL USE at: [ 40.770945][ C3] __lock_acquire+0x797/0x1570 [ 40.771261][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.771466][ C3] _raw_write_lock_bh+0x38/0x50 [ 40.771670][ C3] addrconf_permanent_addr+0x6e/0x670 [ 40.771876][ C3] addrconf_notify+0x749/0xd60 [ 40.772083][ C3] notifier_call_chain+0xcd/0x150 [ 40.772289][ C3] __dev_notify_flags+0xe6/0x250 [ 40.772496][ C3] dev_change_flags+0xec/0x160 [ 40.772810][ C3] do_setlink+0x7d6/0x21e0 [ 40.773016][ C3] __rtnl_newlink+0xaa7/0xd80 [ 40.773220][ C3] rtnl_newlink+0x63/0xa0 [ 40.773533][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 40.773737][ C3] netlink_rcv_skb+0x130/0x360 [ 40.773942][ C3] netlink_unicast+0x449/0x710 [ 40.774147][ C3] netlink_sendmsg+0x723/0xbe0 [ 40.774460][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 40.774663][ C3] ___sys_sendmsg+0xee/0x170 [ 40.774869][ C3] __sys_sendmsg+0xcd/0x170 [ 40.775187][ C3] do_syscall_64+0xc6/0x1e0 [ 40.775392][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.775637][ C3] INITIAL READ USE at: [ 40.775764][ C3] __lock_acquire+0x797/0x1570 [ 40.775970][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.776175][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.776382][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 40.776736][ C3] inet6_fill_link_af+0x5e/0xe0 [ 40.776941][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 40.777148][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 40.777499][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 40.777743][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 40.777949][ C3] register_netdevice+0x1177/0x1690 [ 40.778303][ C3] register_netdev+0x20/0x40 [ 40.778506][ C3] vti6_init_net+0x25d/0x380 [ 40.778710][ C3] ops_init+0x9b/0x560 [ 40.779019][ C3] register_pernet_operations+0x2db/0x710 [ 40.779262][ C3] register_pernet_device+0x2a/0x60 [ 40.779509][ C3] vti6_tunnel_init+0x18/0x110 [ 40.779820][ C3] do_one_initcall+0x8d/0x1e0 [ 40.780024][ C3] do_initcalls+0x1b2/0x3e0 [ 40.780228][ C3] kernel_init_freeable+0x232/0x310 [ 40.780470][ C3] kernel_init+0x20/0x200 [ 40.780783][ C3] ret_from_fork+0x31/0x70 [ 40.780990][ C3] ret_from_fork_asm+0x1a/0x30 [ 40.781193][ C3] } [ 40.781275][ C3] ... key at: [] __key.37+0x0/0x40 [ 40.781624][ C3] ... acquired at: [ 40.781745][ C3] mark_lock+0x28d/0x3e0 [ 40.781909][ C3] mark_usage+0xd9/0x2a0 [ 40.782072][ C3] __lock_acquire+0x797/0x1570 [ 40.782340][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.782505][ C3] _raw_write_lock+0x30/0x40 [ 40.782666][ C3] addrconf_rs_timer+0xa9/0x730 [ 40.782829][ C3] call_timer_fn+0x13b/0x230 [ 40.783101][ C3] __run_timers+0x545/0x810 [ 40.783263][ C3] timer_expire_remote+0x9b/0xe0 [ 40.783425][ C3] tmigr_handle_remote_cpu+0x270/0x430 [ 40.783590][ C3] tmigr_handle_remote_up+0x19f/0x2e0 [ 40.783962][ C3] tmigr_handle_remote+0x21d/0x3a0 [ 40.784127][ C3] __do_softirq+0x1f8/0x5df [ 40.784292][ C3] irq_exit_rcu+0x97/0xc0 [ 40.784454][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 40.784762][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 40.784964][ C3] kasan_report+0x19/0xf0 [ 40.785125][ C3] memchr_inv+0x1f4/0x260 [ 40.785287][ C3] check_bytes_and_report+0x5d/0x150 [ 40.785558][ C3] check_object+0x2b9/0x370 [ 40.785729][ C3] free_slab+0x86/0x100 [ 40.785851][ C3] qlist_free_all+0x4c/0x140 [ 40.786013][ C3] kasan_quarantine_reduce+0x192/0x1e0 [ 40.786175][ C3] __kasan_slab_alloc+0x49/0x70 [ 40.786442][ C3] kmem_cache_alloc+0xef/0x270 [ 40.786607][ C3] p9_tag_alloc+0x99/0x700 [ 40.786770][ C3] p9_client_prepare_req+0xe6/0x290 [ 40.786931][ C3] p9_client_rpc+0x18d/0x930 [ 40.787204][ C3] p9_client_clunk+0x74/0xe0 [ 40.787366][ C3] v9fs_dentry_release+0xb9/0x140 [ 40.787529][ C3] __dentry_kill+0x1d9/0x4f0 [ 40.787691][ C3] dput.part.0+0x333/0x6c0 [ 40.787855][ C3] walk_component+0x199/0x4f0 [ 40.788017][ C3] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 40.788219][ C3] path_openat+0x1be/0x440 [ 40.788381][ C3] do_filp_open+0x1b3/0x3e0 [ 40.788649][ C3] do_sys_openat2+0x122/0x160 [ 40.788814][ C3] __x64_sys_openat+0x123/0x1e0 [ 40.788978][ C3] do_syscall_64+0xc6/0x1e0 [ 40.789140][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.789446][ C3] [ 40.789527][ C3] [ 40.789527][ C3] stack backtrace: [ 40.789726][ C3] CPU: 3 PID: 409 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 40.789974][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 40.790444][ C3] Call Trace: [ 40.790574][ C3] [ 40.790658][ C3] dump_stack_lvl+0x82/0xd0 [ 40.790825][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 40.791134][ C3] ? kernel_text_address+0xce/0xe0 [ 40.791300][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 40.791502][ C3] ? __pfx_usage_skip+0x10/0x10 [ 40.791664][ C3] ? __pfx_usage_match+0x10/0x10 [ 40.791935][ C3] ? arch_stack_walk+0xa2/0xf0 [ 40.792099][ C3] mark_lock_irq+0x4cd/0xa10 [ 40.792262][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 40.792426][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 40.792697][ C3] ? save_trace+0x8f/0x5b0 [ 40.792860][ C3] mark_lock+0x28d/0x3e0 [ 40.792983][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 40.793144][ C3] mark_usage+0xd9/0x2a0 [ 40.793271][ C3] __lock_acquire+0x797/0x1570 [ 40.793541][ C3] ? __pfx_validate_chain+0x10/0x10 [ 40.793706][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.793867][ C3] lock_acquire.part.0+0xeb/0x330 [ 40.794030][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 40.794297][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.794461][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 40.794624][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 40.794789][ C3] ? lock_acquire+0x32/0xc0 [ 40.795056][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 40.795217][ C3] _raw_write_lock+0x30/0x40 [ 40.795379][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 40.795540][ C3] addrconf_rs_timer+0xa9/0x730 [ 40.795812][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.795978][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.796139][ C3] ? call_timer_fn+0xe8/0x230 [ 40.796301][ C3] ? lock_acquire+0x32/0xc0 [ 40.796467][ C3] ? call_timer_fn+0xe8/0x230 [ 40.796840][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.797002][ C3] call_timer_fn+0x13b/0x230 [ 40.797166][ C3] ? call_timer_fn+0xe8/0x230 [ 40.797327][ C3] ? call_timer_fn+0xe8/0x230 [ 40.797595][ C3] ? __pfx_call_timer_fn+0x10/0x10 [ 40.797756][ C3] ? hlock_class+0x4e/0x130 [ 40.797919][ C3] ? mark_held_locks+0x9e/0xe0 [ 40.798086][ C3] __run_timers+0x545/0x810 [ 40.798353][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.798519][ C3] ? __pfx___run_timers+0x10/0x10 [ 40.798681][ C3] ? __lock_release+0x103/0x460 [ 40.798844][ C3] ? do_raw_spin_lock+0x131/0x270 [ 40.799115][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 40.799278][ C3] ? lock_acquire+0x32/0xc0 [ 40.799442][ C3] ? timer_expire_remote+0x93/0xe0 [ 40.799608][ C3] timer_expire_remote+0x9b/0xe0 [ 40.799773][ C3] tmigr_handle_remote_cpu+0x270/0x430 [ 40.799935][ C3] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 40.800136][ C3] ? hlock_class+0x4e/0x130 [ 40.800297][ C3] ? mark_lock+0x38/0x3e0 [ 40.800421][ C3] ? mark_held_locks+0x9e/0xe0 [ 40.800693][ C3] tmigr_handle_remote_up+0x19f/0x2e0 [ 40.800857][ C3] tmigr_handle_remote+0x21d/0x3a0 [ 40.801019][ C3] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 40.801184][ C3] ? mark_held_locks+0x9e/0xe0 [ 40.801453][ C3] __do_softirq+0x1f8/0x5df [ 40.801618][ C3] irq_exit_rcu+0x97/0xc0 [ 40.801741][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 40.801906][ C3] [ 40.801989][ C3] [ 40.802072][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 40.802384][ C3] RIP: 0010:kasan_report+0x19/0xf0 [ 40.802555][ C3] Code: 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 3d ef f3 ca 7b 41 8b 87 a8 14 00 00 85 c0 0f 85 b7 00 00 [ 40.803245][ C3] RSP: 0018:ffffc9000134f3a0 EFLAGS: 00000286 [ 40.803461][ C3] RAX: ffff888006e13ff8 RBX: ffff888006e129c8 RCX: ffffffff86457784 [ 40.803706][ C3] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888006e129c8 [ 40.803951][ C3] RBP: 0000000000001fef R08: ffff888006e12010 R09: 000000000000006b [ 40.804196][ C3] R10: 0000000000000008 R11: 0000000000002000 R12: 6b6b6b6b6b6b6b6b [ 40.804546][ C3] R13: 000000000000006b R14: dffffc0000000000 R15: 000000000000006b [ 40.804790][ C3] ? memchr_inv+0x1f4/0x260 [ 40.804954][ C3] ? find_held_lock+0x2c/0x110 [ 40.805119][ C3] ? __pfx___lock_release+0x10/0x10 [ 40.805393][ C3] memchr_inv+0x1f4/0x260 [ 40.805516][ C3] check_bytes_and_report+0x5d/0x150 [ 40.805682][ C3] check_object+0x2b9/0x370 [ 40.805846][ C3] free_slab+0x86/0x100 [ 40.805969][ C3] qlist_free_all+0x4c/0x140 [ 40.806240][ C3] kasan_quarantine_reduce+0x192/0x1e0 [ 40.806404][ C3] __kasan_slab_alloc+0x49/0x70 [ 40.806569][ C3] kmem_cache_alloc+0xef/0x270 [ 40.806734][ C3] ? kernel_text_address+0xce/0xe0 [ 40.806897][ C3] p9_tag_alloc+0x99/0x700 [ 40.807060][ C3] ? __pfx_p9_tag_alloc+0x10/0x10 [ 40.807222][ C3] ? hlock_class+0x4e/0x130 [ 40.807383][ C3] ? validate_chain+0x130/0x9b0 [ 40.807655][ C3] ? hlock_class+0x4e/0x130 [ 40.807818][ C3] p9_client_prepare_req+0xe6/0x290 [ 40.807979][ C3] ? hlock_class+0x4e/0x130 [ 40.808142][ C3] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 40.808452][ C3] ? __lock_acquire+0xaf0/0x1570 [ 40.808616][ C3] p9_client_rpc+0x18d/0x930 [ 40.808782][ C3] ? __pfx_p9_client_rpc+0x10/0x10 [ 40.808944][ C3] ? __lock_release+0x103/0x460 [ 40.809106][ C3] ? list_lru_add+0x76/0x250 [ 40.809479][ C3] ? __pfx___lock_release+0x10/0x10 [ 40.809641][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.809803][ C3] ? find_held_lock+0x2c/0x110 [ 40.809970][ C3] ? __lock_release+0x103/0x460 [ 40.810240][ C3] ? __pfx___lock_release+0x10/0x10 [ 40.810403][ C3] p9_client_clunk+0x74/0xe0 [ 40.810569][ C3] v9fs_dentry_release+0xb9/0x140 [ 40.810731][ C3] __dentry_kill+0x1d9/0x4f0 [ 40.810894][ C3] ? __pfx_kfree_link+0x10/0x10 [ 40.811058][ C3] dput.part.0+0x333/0x6c0 [ 40.811220][ C3] walk_component+0x199/0x4f0 [ 40.811383][ C3] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 40.811695][ C3] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 40.811899][ C3] path_openat+0x1be/0x440 [ 40.812061][ C3] ? __pfx_path_openat+0x10/0x10 [ 40.812226][ C3] ? __lock_acquire+0xaf0/0x1570 [ 40.812494][ C3] do_filp_open+0x1b3/0x3e0 [ 40.812657][ C3] ? __pfx_do_filp_open+0x10/0x10 [ 40.812819][ C3] ? find_held_lock+0x2c/0x110 [ 40.812983][ C3] ? __pfx_kfree_link+0x10/0x10 [ 40.813260][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 40.813424][ C3] ? alloc_fd+0x1f5/0x650 [ 40.813548][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 40.813710][ C3] ? _raw_spin_unlock+0x23/0x40 [ 40.813871][ C3] ? alloc_fd+0x1f5/0x650 [ 40.814103][ C3] do_sys_openat2+0x122/0x160 [ 40.814265][ C3] ? vfs_fstatat+0x9e/0xc0 [ 40.814427][ C3] ? __pfx_do_sys_openat2+0x10/0x10 [ 40.814591][ C3] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 40.814757][ C3] __x64_sys_openat+0x123/0x1e0 [ 40.814926][ C3] ? __pfx___x64_sys_openat+0x10/0x10 [ 40.815087][ C3] ? __pfx_do_faccessat+0x10/0x10 [ 40.815251][ C3] do_syscall_64+0xc6/0x1e0 [ 40.815413][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.815725][ C3] RIP: 0033:0x7f28c029e0e8 [ 40.815891][ C3] 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 [ 40.816576][ C3] RSP: 002b:00007fff4373ac68 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 40.816823][ C3] RAX: ffffffffffffffda RBX: 00007fff4373aeff RCX: 00007f28c029e0e8 [ 40.817178][ C3] RDX: 0000000000080000 RSI: 00007fff4373ace0 RDI: 00000000ffffff9c [ 40.817419][ C3] RBP: 00007fff4373acd0 R08: 0000000000080000 R09: 00007fff4373ace0 [ 40.817663][ C3] R10: 0000000000000000 R11: 0000000000000287 R12: 00007fff4373ace7 [ 40.817903][ C3] R13: 00007fff4373af10 R14: 00007fff4373ace0 R15: 00007f28c026f000 [ 40.818149][ C3]