===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 5.0.0-rc4+ #51 Not tainted ----------------------------------------------------- syz-executor1/8075 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: kobject: 'brif' (00000000b6a0220c): kobject_add_internal: parent: '2', set: '' 000000000154f8fe (&ctx->fd_wqh){....}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000000154f8fe (&ctx->fd_wqh){....}, at: aio_poll+0x7b9/0x14e0 fs/aio.c:1772 and this task is already holding: 000000001d55e747 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 000000001d55e747 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x790/0x14e0 fs/aio.c:1771 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} but this new dependency connects a SOFTIRQ-irq-safe lock: kobject: 'batman_adv' (000000008a9ed88a): kobject_add_internal: parent: '2', set: '' (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 kobject: 'nr0' (00000000ef7120dc): kobject_add_internal: parent: 'net', set: 'devices' percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 kobject: 'loop3' (000000006bac0787): kobject_uevent_env __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 kobject: 'nr0' (00000000ef7120dc): kobject_uevent_env arch_local_irq_enable arch/x86/include/asm/paravirt.h:776 [inline] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x54/0x90 kernel/locking/spinlock.c:192 finish_lock_switch kernel/sched/core.c:2594 [inline] finish_task_switch+0x1e9/0xac0 kernel/sched/core.c:2694 context_switch kernel/sched/core.c:2847 [inline] __schedule+0x89f/0x1e60 kernel/sched/core.c:3485 kobject: 'nr0' (00000000ef7120dc): fill_kobj_path: path = '/devices/virtual/net/nr0' schedule+0xfe/0x350 kernel/sched/core.c:3529 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x208/0x750 kernel/time/hrtimer.c:1679 hrtimer_nanosleep+0x2e4/0x640 kernel/time/hrtimer.c:1733 kobject: 'queues' (00000000eaad9444): kobject_add_internal: parent: 'nr0', set: '' __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline] __x64_sys_nanosleep+0x1e0/0x280 kernel/time/hrtimer.c:1754 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'queues' (00000000eaad9444): kobject_uevent_env to a SOFTIRQ-irq-unsafe lock: (&ctx->fault_pending_wqh){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 kobject: 'queues' (00000000eaad9444): kobject_uevent_env: filter function caused the event to drop! spin_lock include/linux/spinlock.h:329 [inline] handle_userfault+0x901/0x2510 fs/userfaultfd.c:461 do_anonymous_page mm/memory.c:2962 [inline] handle_pte_fault mm/memory.c:3785 [inline] __handle_mm_fault+0x4701/0x55a0 mm/memory.c:3911 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3948 kobject: 'rx-0' (000000002c01f1e9): kobject_add_internal: parent: 'queues', set: 'queues' do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 kobject: 'rx-0' (000000002c01f1e9): kobject_uevent_env copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:75 copy_to_user include/linux/uaccess.h:152 [inline] rfkill_fop_read+0x489/0x840 net/rfkill/core.c:1205 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 kobject: 'rx-0' (000000002c01f1e9): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' vfs_readv+0x175/0x1c0 fs/read_write.c:983 do_readv+0x11a/0x300 fs/read_write.c:1016 __do_sys_readv fs/read_write.c:1103 [inline] __se_sys_readv fs/read_write.c:1100 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1100 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 kobject: 'tx-0' (00000000fdd57cd2): kobject_add_internal: parent: 'queues', set: 'queues' entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh kobject: 'tx-0' (00000000fdd57cd2): kobject_uevent_env Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->fault_pending_wqh); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&ctx->fd_wqh); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** kobject: 'tx-0' (00000000fdd57cd2): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' 1 lock held by syz-executor1/8075: #0: 000000001d55e747 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 000000001d55e747 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x790/0x14e0 fs/aio.c:1771 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} { IN-SOFTIRQ-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 arch_local_irq_enable arch/x86/include/asm/paravirt.h:776 [inline] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x54/0x90 kernel/locking/spinlock.c:192 finish_lock_switch kernel/sched/core.c:2594 [inline] finish_task_switch+0x1e9/0xac0 kernel/sched/core.c:2694 context_switch kernel/sched/core.c:2847 [inline] __schedule+0x89f/0x1e60 kernel/sched/core.c:3485 schedule+0xfe/0x350 kernel/sched/core.c:3529 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x208/0x750 kernel/time/hrtimer.c:1679 hrtimer_nanosleep+0x2e4/0x640 kernel/time/hrtimer.c:1733 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline] __x64_sys_nanosleep+0x1e0/0x280 kernel/time/hrtimer.c:1754 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 arch_local_irq_enable arch/x86/include/asm/paravirt.h:776 [inline] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x54/0x90 kernel/locking/spinlock.c:192 finish_lock_switch kernel/sched/core.c:2594 [inline] finish_task_switch+0x1e9/0xac0 kernel/sched/core.c:2694 context_switch kernel/sched/core.c:2847 [inline] __schedule+0x89f/0x1e60 kernel/sched/core.c:3485 schedule+0xfe/0x350 kernel/sched/core.c:3529 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x208/0x750 kernel/time/hrtimer.c:1679 hrtimer_nanosleep+0x2e4/0x640 kernel/time/hrtimer.c:1733 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline] __x64_sys_nanosleep+0x1e0/0x280 kernel/time/hrtimer.c:1754 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.51971+0x0/0x40 ... acquired at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&ctx->fault_pending_wqh){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] handle_userfault+0x901/0x2510 fs/userfaultfd.c:461 do_anonymous_page mm/memory.c:2962 [inline] handle_pte_fault mm/memory.c:3785 [inline] __handle_mm_fault+0x4701/0x55a0 mm/memory.c:3911 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3948 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:75 copy_to_user include/linux/uaccess.h:152 [inline] rfkill_fop_read+0x489/0x840 net/rfkill/core.c:1205 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 vfs_readv+0x175/0x1c0 fs/read_write.c:983 do_readv+0x11a/0x300 fs/read_write.c:1016 __do_sys_readv fs/read_write.c:1103 [inline] __se_sys_readv fs/read_write.c:1100 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1100 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] handle_userfault+0x901/0x2510 fs/userfaultfd.c:461 do_anonymous_page mm/memory.c:2962 [inline] handle_pte_fault mm/memory.c:3785 [inline] __handle_mm_fault+0x4701/0x55a0 mm/memory.c:3911 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3948 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:75 copy_to_user include/linux/uaccess.h:152 [inline] rfkill_fop_read+0x489/0x840 net/rfkill/core.c:1205 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 vfs_readv+0x175/0x1c0 fs/read_write.c:983 do_readv+0x11a/0x300 fs/read_write.c:1016 __do_sys_readv fs/read_write.c:1103 [inline] __se_sys_readv fs/read_write.c:1100 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1100 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] handle_userfault+0x901/0x2510 fs/userfaultfd.c:461 do_anonymous_page mm/memory.c:2962 [inline] handle_pte_fault mm/memory.c:3785 [inline] __handle_mm_fault+0x4701/0x55a0 mm/memory.c:3911 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3948 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:75 copy_to_user include/linux/uaccess.h:152 [inline] rfkill_fop_read+0x489/0x840 net/rfkill/core.c:1205 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 vfs_readv+0x175/0x1c0 fs/read_write.c:983 do_readv+0x11a/0x300 fs/read_write.c:1016 __do_sys_readv fs/read_write.c:1103 [inline] __se_sys_readv fs/read_write.c:1100 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1100 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.44850+0x0/0x40 ... acquired at: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_ctx_read+0x690/0x2060 fs/userfaultfd.c:1040 userfaultfd_read+0x1e0/0x2c0 fs/userfaultfd.c:1198 __vfs_read+0x116/0xb20 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 ksys_read+0x105/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:586 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&ctx->fd_wqh){....} { INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 handle_userfault+0xdfb/0x2510 fs/userfaultfd.c:487 do_anonymous_page mm/memory.c:2962 [inline] handle_pte_fault mm/memory.c:3785 [inline] __handle_mm_fault+0x4701/0x55a0 mm/memory.c:3911 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3948 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:75 copy_to_user include/linux/uaccess.h:152 [inline] rfkill_fop_read+0x489/0x840 net/rfkill/core.c:1205 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 vfs_readv+0x175/0x1c0 fs/read_write.c:983 do_readv+0x11a/0x300 fs/read_write.c:1016 __do_sys_readv fs/read_write.c:1103 [inline] __se_sys_readv fs/read_write.c:1100 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1100 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.44853+0x0/0x40 ... acquired at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 8075 Comm: syz-executor1 Not tainted 5.0.0-rc4+ #51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_bad_irq_dependency kernel/locking/lockdep.c:1573 [inline] check_usage.cold+0x5e2/0x917 kernel/locking/lockdep.c:1605 check_irq_usage kernel/locking/lockdep.c:1661 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1871 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x2169/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458089 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fecf12c8c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458089 RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007fecf12a8000 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fecf12c96d4 R13: 00000000004bf2ab R14: 00000000004d0ad8 R15: 00000000ffffffff kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000002c01f1e9): kobject_cleanup, parent 00000000eaad9444 kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000002c01f1e9): auto cleanup 'remove' event kobject: 'rx-0' (000000002c01f1e9): kobject_uevent_env kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000002c01f1e9): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000002c01f1e9): auto cleanup kobject_del kobject: 'rx-0' (000000002c01f1e9): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fdd57cd2): kobject_cleanup, parent 00000000eaad9444 kobject: 'tx-0' (00000000fdd57cd2): auto cleanup 'remove' event kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'tx-0' (00000000fdd57cd2): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000fdd57cd2): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000fdd57cd2): auto cleanup kobject_del kobject: 'tx-0' (00000000fdd57cd2): calling ktype release kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'tx-0': free name kobject: 'queues' (00000000eaad9444): kobject_cleanup, parent (null) kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000eaad9444): calling ktype release kobject: 'queues' (00000000eaad9444): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000ef7120dc): kobject_uevent_env kobject: 'nr0' (00000000ef7120dc): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'nr0' (00000000ef7120dc): kobject_cleanup, parent (null) kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nr0' (00000000ef7120dc): calling ktype release kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nr0': free name kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '3' (0000000052af4cf6): kobject_add_internal: parent: 'net', set: 'devices' kobject: '3' (0000000052af4cf6): kobject_uevent_env kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: '3' (0000000052af4cf6): fill_kobj_path: path = '/devices/virtual/net/3' kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000165407fd): kobject_add_internal: parent: '3', set: '' kobject: 'queues' (00000000165407fd): kobject_uevent_env kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'queues' (00000000165407fd): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000110a141f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'rx-0' (00000000110a141f): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000110a141f): fill_kobj_path: path = '/devices/virtual/net/3/queues/rx-0' kobject: 'tx-0' (00000000514fb0e6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'tx-0' (00000000514fb0e6): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000514fb0e6): fill_kobj_path: path = '/devices/virtual/net/3/queues/tx-0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'brif' (000000006b9b5e2e): kobject_add_internal: parent: '3', set: '' kobject: 'batman_adv' (00000000050a4446): kobject_add_internal: parent: '3', set: '' kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nr0' (0000000024af4172): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nr0' (0000000024af4172): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'nr0' (0000000024af4172): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (000000002655a33f): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (000000002655a33f): kobject_uevent_env kobject: 'queues' (000000002655a33f): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008a1c82d7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008a1c82d7): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000008a1c82d7): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'tx-0' (00000000646c61af): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000646c61af): kobject_uevent_env kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'tx-0' (00000000646c61af): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'rx-0' (000000008a1c82d7): kobject_cleanup, parent 000000002655a33f kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000008a1c82d7): auto cleanup 'remove' event kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'rx-0' (000000008a1c82d7): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000008a1c82d7): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (000000008a1c82d7): auto cleanup kobject_del kobject: 'rx-0' (000000008a1c82d7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000646c61af): kobject_cleanup, parent 000000002655a33f kobject: 'tx-0' (00000000646c61af): auto cleanup 'remove' event kobject: 'tx-0' (00000000646c61af): kobject_uevent_env kobject: 'tx-0' (00000000646c61af): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000646c61af): auto cleanup kobject_del kobject: 'tx-0' (00000000646c61af): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000002655a33f): kobject_cleanup, parent (null) kobject: 'queues' (000000002655a33f): calling ktype release kobject: 'queues' (000000002655a33f): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000024af4172): kobject_uevent_env kobject: 'nr0' (0000000024af4172): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (0000000024af4172): kobject_cleanup, parent (null) kobject: 'nr0' (0000000024af4172): calling ktype release kobject: 'nr0': free name kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env ucma_write: process 173 (syz-executor0) changed security contexts after opening file descriptor, this is not allowed. kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor3': attribute type 1 has an invalid length. kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env netlink: 'syz-executor3': attribute type 1 has an invalid length. kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor3': attribute type 1 has an invalid length. kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor3': attribute type 1 has an invalid length. kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor3': attribute type 1 has an invalid length. kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor4': attribute type 1 has an invalid length. kobject: 'loop1' (00000000d697e005): kobject_uevent_env netlink: 'syz-executor2': attribute type 1 has an invalid length. kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000008992f223): kobject_uevent_env netlink: 'syz-executor4': attribute type 1 has an invalid length. gfs2: statfs_percent mount option requires a numeric argument between 0 and 100 kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' gfs2: can't parse mount arguments kobject: 'loop4' (000000005289c123): kobject_uevent_env netlink: 'syz-executor2': attribute type 1 has an invalid length. kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env netlink: 'syz-executor3': attribute type 1 has an invalid length. kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env PM: Marking nosave pages: [mem 0x00000000-0x00000fff] kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000005289c123): kobject_uevent_env PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' gfs2: statfs_percent mount option requires a numeric argument between 0 and 100 kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' gfs2: can't parse mount arguments kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' PM: Basic memory bitmaps created PM: Basic memory bitmaps freed kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' gfs2: statfs_percent mount option requires a numeric argument between 0 and 100 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] gfs2: can't parse mount arguments kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000005289c123): kobject_uevent_env PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Basic memory bitmaps created kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' PM: Basic memory bitmaps freed kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Marking nosave pages: [mem 0x00000000-0x00000fff] kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] gfs2: statfs_percent mount option requires a numeric argument between 0 and 100 kobject: 'loop0' (0000000028fcf44e): kobject_uevent_env gfs2: can't parse mount arguments kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (0000000028fcf44e): fill_kobj_path: path = '/devices/virtual/block/loop0' PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop1' (00000000d697e005): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d697e005): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000008992f223): kobject_uevent_env kobject: 'loop2' (000000008992f223): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000006bac0787): kobject_uevent_env kobject: 'loop3' (000000006bac0787): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4' PM: Basic memory bitmaps created kobject: 'loop5' (00000000e7e331c2): kobject_uevent_env kobject: 'loop5' (00000000e7e331c2): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Basic memory bitmaps freed kobject: 'kvm' (0000000081b0d1bf): kobject_uevent_env kobject: 'loop4' (000000005289c123): kobject_uevent_env kobject: 'kvm' (0000000081b0d1bf): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000005289c123): fill_kobj_path: path = '/devices/virtual/block/loop4'