[ 18.000484][ T276] ip (276) used greatest stack depth: 24424 bytes left [ 22.242765][ T306] br0: port 1(gw_l) entered blocking state [ 22.243227][ T306] br0: port 1(gw_l) entered disabled state [ 22.243651][ T306] gw_l: entered allmulticast mode [ 22.247227][ T306] gw_l: entered promiscuous mode [ 22.249722][ T306] br0: port 1(gw_l) entered blocking state [ 22.250235][ T306] br0: port 1(gw_l) entered forwarding state [ 23.150723][ T309] br0: port 2(amtg) entered blocking state [ 23.151263][ T309] br0: port 2(amtg) entered disabled state [ 23.151707][ T309] amtg: entered allmulticast mode [ 23.154183][ T309] amtg: entered promiscuous mode [ 25.730533][ T321] br0: port 2(amtg) entered blocking state [ 25.731072][ T321] br0: port 2(amtg) entered forwarding state [ 27.125727][ T331] amtr: entered allmulticast mode [ 27.126392][ T331] relay_gw: entered allmulticast mode [ 27.126860][ T331] relay_src: entered allmulticast mode [ 1908.723339][ T67] br0: port 1(gw_l) entered disabled state [ 1908.877018][ T67] gw_l (unregistering): left allmulticast mode [ 1908.877564][ T67] gw_l (unregistering): left promiscuous mode [ 1908.877992][ T67] br0: port 1(gw_l) entered disabled state [ 1908.965885][ T67] amtg: left allmulticast mode [ 1908.966235][ T67] amtg: left promiscuous mode [ 1908.966722][ T67] br0: port 2(amtg) entered disabled state [ 1909.196372][ T67] relay_gw (unregistering): left allmulticast mode [ 1909.228512][ T67] amtr (unregistering): left allmulticast mode [ 1909.268985][ T331] relay_src: left allmulticast mode [ 1909.293826][ C1] [ 1909.293982][ C1] ================================ [ 1909.294198][ C1] WARNING: inconsistent lock state [ 1909.294410][ C1] 6.15.0-rc7-virtme #1 Not tainted [ 1909.294624][ C1] -------------------------------- [ 1909.294836][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 1909.295111][ C1] kworker/1:1/61 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 1909.295387][ C1] ffffffffac1d52b8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 1909.295775][ C1] {SOFTIRQ-ON-W} state was registered at: [ 1909.296018][ C1] __lock_acquire+0x3eb/0x9d0 [ 1909.296244][ C1] lock_acquire.part.0+0xb6/0x240 [ 1909.296459][ C1] _raw_spin_lock+0x33/0x40 [ 1909.296676][ C1] simple_pin_fs+0x24/0x150 [ 1909.296893][ C1] start_creating.part.0+0x3f/0x2f0 [ 1909.297112][ C1] debugfs_create_dir+0x6a/0x540 [ 1909.297323][ C1] component_debug_init+0x17/0x30 [ 1909.297535][ C1] do_one_initcall+0x8f/0x1e0 [ 1909.297748][ C1] do_initcalls+0x176/0x280 [ 1909.297964][ C1] kernel_init_freeable+0x22d/0x300 [ 1909.298175][ C1] kernel_init+0x20/0x200 [ 1909.298501][ C1] ret_from_fork+0x31/0x70 [ 1909.298724][ C1] ret_from_fork_asm+0x1a/0x30 [ 1909.298932][ C1] irq event stamp: 3113856 [ 1909.299141][ C1] hardirqs last enabled at (3113856): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1909.299570][ C1] hardirqs last disabled at (3113855): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 1909.299981][ C1] softirqs last enabled at (3113048): [] handle_softirqs+0x358/0x620 [ 1909.300350][ C1] softirqs last disabled at (3113837): [] __irq_exit_rcu+0xfa/0x160 [ 1909.300724][ C1] [ 1909.300724][ C1] other info that might help us debug this: [ 1909.301028][ C1] Possible unsafe locking scenario: [ 1909.301028][ C1] [ 1909.301336][ C1] CPU0 [ 1909.301493][ C1] ---- [ 1909.301648][ C1] lock(pin_fs_lock); [ 1909.301807][ C1] [ 1909.301960][ C1] lock(pin_fs_lock); [ 1909.302118][ C1] [ 1909.302118][ C1] *** DEADLOCK *** [ 1909.302118][ C1] [ 1909.302419][ C1] 5 locks held by kworker/1:1/61: [ 1909.302628][ C1] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 1909.303053][ C1] #1: ffffc90000427d40 ((work_completion)(&fsvq->done_work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 1909.303526][ C1] #2: ffff8880060129d8 (&fsvq->lock){+.+.}-{3:3}, at: virtio_fs_requests_done_work+0xfa/0x890 [ 1909.303953][ C1] #3: ffffffffabf88b60 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x147/0x1e10 [ 1909.304325][ C1] #4: ffffffffabf88a40 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 1909.304695][ C1] [ 1909.304695][ C1] stack backtrace: [ 1909.304953][ C1] CPU: 1 UID: 0 PID: 61 Comm: kworker/1:1 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 1909.304958][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1909.304961][ C1] Workqueue: events virtio_fs_requests_done_work [ 1909.304966][ C1] Call Trace: [ 1909.304968][ C1] [ 1909.304972][ C1] dump_stack_lvl+0x82/0xd0 [ 1909.304979][ C1] print_usage_bug.part.0+0x25f/0x360 [ 1909.304984][ C1] mark_lock_irq+0x343/0x400 [ 1909.304989][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 1909.304993][ C1] ? save_trace+0x52/0x170 [ 1909.304997][ C1] mark_lock+0x174/0x2f0 [ 1909.305001][ C1] mark_usage+0x46/0x150 [ 1909.305005][ C1] __lock_acquire+0x3eb/0x9d0 [ 1909.305010][ C1] lock_acquire.part.0+0xb6/0x240 [ 1909.305014][ C1] ? simple_pin_fs+0x24/0x150 [ 1909.305017][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.305022][ C1] ? lock_acquire+0x10c/0x170 [ 1909.305025][ C1] ? simple_pin_fs+0x24/0x150 [ 1909.305029][ C1] _raw_spin_lock+0x33/0x40 [ 1909.305032][ C1] ? simple_pin_fs+0x24/0x150 [ 1909.305035][ C1] simple_pin_fs+0x24/0x150 [ 1909.305038][ C1] debugfs_remove+0x35/0x70 [ 1909.305042][ C1] ref_tracker_dir_exit+0xcf/0x740 [ 1909.305047][ C1] ? __pfx_ref_tracker_free+0x10/0x10 [ 1909.305050][ C1] ? __sk_destruct+0x383/0x780 [ 1909.305054][ C1] ? rcu_do_batch+0x34f/0xf20 [ 1909.305057][ C1] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 1909.305060][ C1] ? irq_exit_rcu+0xe/0x30 [ 1909.305063][ C1] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 1909.305068][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1909.305072][ C1] ? lock_acquire.part.0+0xf2/0x240 [ 1909.305075][ C1] ? unwind_next_frame+0x15b/0x1e10 [ 1909.305078][ C1] ? arch_stack_walk+0x8b/0xf0 [ 1909.305082][ C1] ? stack_trace_save+0x93/0xd0 [ 1909.305087][ C1] ? kasan_save_stack+0x24/0x50 [ 1909.305091][ C1] ? kasan_save_track+0x14/0x30 [ 1909.305093][ C1] ? kasan_save_free_info+0x3b/0x60 [ 1909.305098][ C1] ? __kasan_slab_free+0x38/0x50 [ 1909.305102][ C1] __put_net+0x19/0x60 [ 1909.305108][ C1] __sk_destruct+0x58a/0x780 [ 1909.305111][ C1] ? rcu_do_batch+0x34a/0xf20 [ 1909.305114][ C1] rcu_do_batch+0x34f/0xf20 [ 1909.305118][ C1] ? find_held_lock+0x2b/0x80 [ 1909.305122][ C1] ? __pfx_rcu_do_batch+0x10/0x10 [ 1909.305125][ C1] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1909.305128][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 1909.305132][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 1909.305136][ C1] rcu_core+0x2bb/0x500 [ 1909.305141][ C1] handle_softirqs+0x21b/0x620 [ 1909.305146][ C1] __irq_exit_rcu+0xfa/0x160 [ 1909.305149][ C1] irq_exit_rcu+0xe/0x30 [ 1909.305153][ C1] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 1909.305156][ C1] [ 1909.305157][ C1] [ 1909.305159][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1909.305161][ C1] RIP: 0010:lock_acquire.part.0+0xf2/0x240 [ 1909.305166][ C1] Code: ff ff ff 65 0f c1 05 1d e0 c7 05 83 f8 01 0f 85 3e 01 00 00 9c 58 f6 c4 02 0f 85 29 01 00 00 48 85 db 74 01 fb 48 8b 44 24 30 <65> 48 2b 05 8e a3 c7 05 0f 85 3a 01 00 00 48 83 c4 38 5b 5d 41 5c [ 1909.305169][ C1] RSP: 0018:ffffc90000427570 EFLAGS: 00000206 [ 1909.305172][ C1] RAX: 5262332155d06500 RBX: 0000000000000200 RCX: 0000000000000001 [ 1909.305174][ C1] RDX: 0000000000000000 RSI: ffffffffab4f7fbb RDI: ffffffffaac53e80 [ 1909.305176][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 1909.305177][ C1] R10: 0000000000000078 R11: ffffffffabf88b60 R12: 0000000000000002 [ 1909.305179][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffabf88b60 [ 1909.305185][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.305189][ C1] ? lock_acquire+0x10c/0x170 [ 1909.305192][ C1] ? unwind_next_frame+0x147/0x1e10 [ 1909.305196][ C1] unwind_next_frame+0x15b/0x1e10 [ 1909.305199][ C1] ? unwind_next_frame+0x147/0x1e10 [ 1909.305203][ C1] ? kthread+0x37e/0x600 [ 1909.305207][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 1909.305211][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 1909.305216][ C1] ? kthread+0x37e/0x600 [ 1909.305218][ C1] ? kernel_text_address+0x17/0xe0 [ 1909.305223][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 1909.305226][ C1] arch_stack_walk+0x8b/0xf0 [ 1909.305231][ C1] ? kthread+0x37e/0x600 [ 1909.305235][ C1] stack_trace_save+0x93/0xd0 [ 1909.305238][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 1909.305241][ C1] ? validate_chain+0x166/0x4d0 [ 1909.305246][ C1] kasan_save_stack+0x24/0x50 [ 1909.305248][ C1] ? kasan_save_stack+0x24/0x50 [ 1909.305250][ C1] ? kasan_save_track+0x14/0x30 [ 1909.305253][ C1] ? kasan_save_free_info+0x3b/0x60 [ 1909.305255][ C1] ? __kasan_slab_free+0x38/0x50 [ 1909.305258][ C1] ? kfree+0x144/0x320 [ 1909.305260][ C1] ? detach_buf_split+0x48d/0x6f0 [ 1909.305266][ C1] ? virtqueue_get_buf_ctx_split+0x294/0x7f0 [ 1909.305269][ C1] ? virtio_fs_requests_done_work+0x231/0x890 [ 1909.305272][ C1] ? process_one_work+0xe40/0x1690 [ 1909.305275][ C1] ? worker_thread+0x591/0xcf0 [ 1909.305277][ C1] ? kthread+0x37e/0x600 [ 1909.305280][ C1] ? find_held_lock+0x2b/0x80 [ 1909.305284][ C1] ? mark_held_locks+0x49/0x80 [ 1909.305288][ C1] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1909.305291][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 1909.305294][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 1909.305297][ C1] ? __debug_check_no_obj_freed+0x252/0x520 [ 1909.305303][ C1] ? find_held_lock+0x2b/0x80 [ 1909.305307][ C1] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 1909.305311][ C1] ? mark_held_locks+0x49/0x80 [ 1909.305315][ C1] ? __call_rcu_common.constprop.0+0x2b1/0x610 [ 1909.305318][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 1909.305321][ C1] kasan_save_track+0x14/0x30 [ 1909.305324][ C1] kasan_save_free_info+0x3b/0x60 [ 1909.305327][ C1] __kasan_slab_free+0x38/0x50 [ 1909.305330][ C1] kfree+0x144/0x320 [ 1909.305333][ C1] ? detach_buf_split+0x48d/0x6f0 [ 1909.305336][ C1] ? __lock_acquire+0x591/0x9d0 [ 1909.305340][ C1] detach_buf_split+0x48d/0x6f0 [ 1909.305346][ C1] virtqueue_get_buf_ctx_split+0x294/0x7f0 [ 1909.305351][ C1] virtio_fs_requests_done_work+0x231/0x890 [ 1909.305356][ C1] ? __pfx_virtio_fs_requests_done_work+0x10/0x10 [ 1909.305360][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.305365][ C1] process_one_work+0xe40/0x1690 [ 1909.305371][ C1] ? __pfx_process_one_work+0x10/0x10 [ 1909.305376][ C1] ? assign_work+0x16c/0x240 [ 1909.305381][ C1] worker_thread+0x591/0xcf0 [ 1909.305386][ C1] ? __pfx_worker_thread+0x10/0x10 [ 1909.305390][ C1] kthread+0x37e/0x600 [ 1909.305393][ C1] ? __pfx_kthread+0x10/0x10 [ 1909.305396][ C1] ? ret_from_fork+0x1b/0x70 [ 1909.305399][ C1] ? __lock_release+0x5d/0x170 [ 1909.305402][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.305406][ C1] ? __pfx_kthread+0x10/0x10 [ 1909.305409][ C1] ret_from_fork+0x31/0x70 [ 1909.305412][ C1] ? __pfx_kthread+0x10/0x10 [ 1909.305415][ C1] ret_from_fork_asm+0x1a/0x30 [ 1909.305421][ C1] [ 1909.335150][ C1] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 1909.335640][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 61, name: kworker/1:1 [ 1909.335995][ C1] preempt_count: 101, expected: 0 [ 1909.336192][ C1] RCU nest depth: 1, expected: 0 [ 1909.336386][ C1] INFO: lockdep is turned off. [ 1909.336714][ C1] Preemption disabled at: [ 1909.336716][ C1] [<0000000000000000>] 0x0 [ 1909.337068][ C1] CPU: 1 UID: 0 PID: 61 Comm: kworker/1:1 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 1909.337074][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1909.337077][ C1] Workqueue: events virtio_fs_requests_done_work [ 1909.337088][ C1] Call Trace: [ 1909.337090][ C1] [ 1909.337092][ C1] dump_stack_lvl+0xb0/0xd0 [ 1909.337101][ C1] __might_resched+0x360/0x5a0 [ 1909.337107][ C1] down_write+0x72/0x210 [ 1909.337113][ C1] ? __pfx_down_write+0x10/0x10 [ 1909.337116][ C1] ? simple_recursive_removal+0x3a/0x860 [ 1909.337122][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.337128][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 1909.337134][ C1] simple_recursive_removal+0x166/0x860 [ 1909.337137][ C1] ? __pfx_remove_one+0x10/0x10 [ 1909.337143][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 1909.337147][ C1] debugfs_remove+0x44/0x70 [ 1909.337151][ C1] ref_tracker_dir_exit+0xcf/0x740 [ 1909.337156][ C1] ? __pfx_ref_tracker_free+0x10/0x10 [ 1909.337159][ C1] ? __sk_destruct+0x383/0x780 [ 1909.337164][ C1] ? rcu_do_batch+0x34f/0xf20 [ 1909.337168][ C1] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 1909.337171][ C1] ? irq_exit_rcu+0xe/0x30 [ 1909.337177][ C1] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 1909.337181][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1909.337185][ C1] ? lock_acquire.part.0+0xf2/0x240 [ 1909.337190][ C1] ? unwind_next_frame+0x15b/0x1e10 [ 1909.337197][ C1] ? arch_stack_walk+0x8b/0xf0 [ 1909.337202][ C1] ? stack_trace_save+0x93/0xd0 [ 1909.337207][ C1] ? kasan_save_stack+0x24/0x50 [ 1909.337211][ C1] ? kasan_save_track+0x14/0x30 [ 1909.337213][ C1] ? kasan_save_free_info+0x3b/0x60 [ 1909.337217][ C1] ? __kasan_slab_free+0x38/0x50 [ 1909.337222][ C1] __put_net+0x19/0x60 [ 1909.337227][ C1] __sk_destruct+0x58a/0x780 [ 1909.337230][ C1] ? rcu_do_batch+0x34a/0xf20 [ 1909.337233][ C1] rcu_do_batch+0x34f/0xf20 [ 1909.337237][ C1] ? find_held_lock+0x2b/0x80 [ 1909.337241][ C1] ? __pfx_rcu_do_batch+0x10/0x10 [ 1909.337245][ C1] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1909.337250][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 1909.337253][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 1909.337258][ C1] rcu_core+0x2bb/0x500 [ 1909.337263][ C1] handle_softirqs+0x21b/0x620 [ 1909.337269][ C1] __irq_exit_rcu+0xfa/0x160 [ 1909.337273][ C1] irq_exit_rcu+0xe/0x30 [ 1909.337276][ C1] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 1909.337279][ C1] [ 1909.337280][ C1] [ 1909.337282][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1909.337285][ C1] RIP: 0010:lock_acquire.part.0+0xf2/0x240 [ 1909.337289][ C1] Code: ff ff ff 65 0f c1 05 1d e0 c7 05 83 f8 01 0f 85 3e 01 00 00 9c 58 f6 c4 02 0f 85 29 01 00 00 48 85 db 74 01 fb 48 8b 44 24 30 <65> 48 2b 05 8e a3 c7 05 0f 85 3a 01 00 00 48 83 c4 38 5b 5d 41 5c [ 1909.337291][ C1] RSP: 0018:ffffc90000427570 EFLAGS: 00000206 [ 1909.337294][ C1] RAX: 5262332155d06500 RBX: 0000000000000200 RCX: 0000000000000001 [ 1909.337296][ C1] RDX: 0000000000000000 RSI: ffffffffab4f7fbb RDI: ffffffffaac53e80 [ 1909.337298][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 1909.337300][ C1] R10: 0000000000000078 R11: ffffffffabf88b60 R12: 0000000000000002 [ 1909.337302][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffabf88b60 [ 1909.337308][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.337311][ C1] ? lock_acquire+0x10c/0x170 [ 1909.337314][ C1] ? unwind_next_frame+0x147/0x1e10 [ 1909.337319][ C1] unwind_next_frame+0x15b/0x1e10 [ 1909.337322][ C1] ? unwind_next_frame+0x147/0x1e10 [ 1909.337326][ C1] ? kthread+0x37e/0x600 [ 1909.337331][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 1909.337334][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 1909.337339][ C1] ? kthread+0x37e/0x600 [ 1909.337341][ C1] ? kernel_text_address+0x17/0xe0 [ 1909.337346][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 1909.337350][ C1] arch_stack_walk+0x8b/0xf0 [ 1909.337355][ C1] ? kthread+0x37e/0x600 [ 1909.337359][ C1] stack_trace_save+0x93/0xd0 [ 1909.337362][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 1909.337365][ C1] ? validate_chain+0x166/0x4d0 [ 1909.337369][ C1] kasan_save_stack+0x24/0x50 [ 1909.337372][ C1] ? kasan_save_stack+0x24/0x50 [ 1909.337374][ C1] ? kasan_save_track+0x14/0x30 [ 1909.337376][ C1] ? kasan_save_free_info+0x3b/0x60 [ 1909.337379][ C1] ? __kasan_slab_free+0x38/0x50 [ 1909.337381][ C1] ? kfree+0x144/0x320 [ 1909.337384][ C1] ? detach_buf_split+0x48d/0x6f0 [ 1909.337389][ C1] ? virtqueue_get_buf_ctx_split+0x294/0x7f0 [ 1909.337392][ C1] ? virtio_fs_requests_done_work+0x231/0x890 [ 1909.337395][ C1] ? process_one_work+0xe40/0x1690 [ 1909.337399][ C1] ? worker_thread+0x591/0xcf0 [ 1909.337402][ C1] ? kthread+0x37e/0x600 [ 1909.337405][ C1] ? find_held_lock+0x2b/0x80 [ 1909.337409][ C1] ? mark_held_locks+0x49/0x80 [ 1909.337412][ C1] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1909.337415][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 1909.337419][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 1909.337422][ C1] ? __debug_check_no_obj_freed+0x252/0x520 [ 1909.337429][ C1] ? find_held_lock+0x2b/0x80 [ 1909.337433][ C1] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 1909.337437][ C1] ? mark_held_locks+0x49/0x80 [ 1909.337441][ C1] ? __call_rcu_common.constprop.0+0x2b1/0x610 [ 1909.337444][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 1909.337448][ C1] kasan_save_track+0x14/0x30 [ 1909.337450][ C1] kasan_save_free_info+0x3b/0x60 [ 1909.337454][ C1] __kasan_slab_free+0x38/0x50 [ 1909.337457][ C1] kfree+0x144/0x320 [ 1909.337459][ C1] ? detach_buf_split+0x48d/0x6f0 [ 1909.337463][ C1] ? __lock_acquire+0x591/0x9d0 [ 1909.337467][ C1] detach_buf_split+0x48d/0x6f0 [ 1909.337473][ C1] virtqueue_get_buf_ctx_split+0x294/0x7f0 [ 1909.337478][ C1] virtio_fs_requests_done_work+0x231/0x890 [ 1909.337483][ C1] ? __pfx_virtio_fs_requests_done_work+0x10/0x10 [ 1909.337487][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.337492][ C1] process_one_work+0xe40/0x1690 [ 1909.337498][ C1] ? __pfx_process_one_work+0x10/0x10 [ 1909.337503][ C1] ? assign_work+0x16c/0x240 [ 1909.337507][ C1] worker_thread+0x591/0xcf0 [ 1909.337513][ C1] ? __pfx_worker_thread+0x10/0x10 [ 1909.337516][ C1] kthread+0x37e/0x600 [ 1909.337520][ C1] ? __pfx_kthread+0x10/0x10 [ 1909.337522][ C1] ? ret_from_fork+0x1b/0x70 [ 1909.337526][ C1] ? __lock_release+0x5d/0x170 [ 1909.337530][ C1] ? rcu_is_watching+0x12/0xc0 [ 1909.337533][ C1] ? __pfx_kthread+0x10/0x10 [ 1909.337537][ C1] ret_from_fork+0x31/0x70 [ 1909.337540][ C1] ? __pfx_kthread+0x10/0x10 [ 1909.337543][ C1] ret_from_fork_asm+0x1a/0x30 [ 1909.337550][ C1]