===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.19.53+ #25 Not tainted ----------------------------------------------------- syz-executor.2/11668 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 0000000095752849 (&ctx->fault_pending_wqh){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 0000000095752849 (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline] 0000000095752849 (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 and this task is already holding: 00000000abaea04c (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000abaea04c (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read fs/userfaultfd.c:1042 [inline] 00000000abaea04c (&ctx->fd_wqh){....}, at: userfaultfd_read+0x262/0x18c0 fs/userfaultfd.c:1204 which would create a new lock dependency: (&ctx->fd_wqh){....} -> (&ctx->fault_pending_wqh){+.+.} kobject: 'loop1' (0000000060361fa3): kobject_uevent_env but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 kobject: 'loop1' (0000000060361fa3): fill_kobj_path: path = '/devices/virtual/block/loop1' __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+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3922 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1b/0x50 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] zap_pte_range mm/memory.c:1395 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1017/0x1e20 mm/memory.c:1511 unmap_single_vma+0x19d/0x300 mm/memory.c:1556 unmap_vmas+0xae/0x180 mm/memory.c:1586 exit_mmap+0x2c2/0x530 mm/mmap.c:3097 __mmput kernel/fork.c:1010 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1031 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0x8d9/0x1c20 fs/exec.c:1276 load_elf_binary+0x9c0/0x51f0 fs/binfmt_elf.c:869 search_binary_handler fs/exec.c:1653 [inline] search_binary_handler+0x179/0x570 fs/exec.c:1631 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.0+0x1227/0x2150 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe to a SOFTIRQ-irq-unsafe lock: (&ctx->fault_pending_wqh){+.+.} ... which became SOFTIRQ-irq-unsafe at: IPVS: ftp: loaded support on port[0] = 21 ... lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'lo' (00000000f3d9b9c2): kobject_add_internal: parent: 'net', set: 'devices' other info that might help us debug this: Chain exists of: &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh kobject: 'lo' (00000000f3d9b9c2): 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 *** 1 lock held by syz-executor.2/11668: #0: 00000000abaea04c (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 00000000abaea04c (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read fs/userfaultfd.c:1042 [inline] #0: 00000000abaea04c (&ctx->fd_wqh){....}, at: userfaultfd_read+0x262/0x18c0 fs/userfaultfd.c:1204 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 16 { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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+0x2d/0x490 fs/aio.c:614 kobject: 'lo' (00000000f3d9b9c2): fill_kobj_path: path = '/devices/virtual/net/lo' percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3922 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1b/0x50 kernel/locking/spinlock.c:176 kobject: 'queues' (00000000d0d7191f): kobject_add_internal: parent: 'lo', set: '' spin_unlock include/linux/spinlock.h:369 [inline] zap_pte_range mm/memory.c:1395 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1017/0x1e20 mm/memory.c:1511 unmap_single_vma+0x19d/0x300 mm/memory.c:1556 unmap_vmas+0xae/0x180 mm/memory.c:1586 exit_mmap+0x2c2/0x530 mm/mmap.c:3097 __mmput kernel/fork.c:1010 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1031 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0x8d9/0x1c20 fs/exec.c:1276 load_elf_binary+0x9c0/0x51f0 fs/binfmt_elf.c:869 search_binary_handler fs/exec.c:1653 [inline] search_binary_handler+0x179/0x570 fs/exec.c:1631 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.0+0x1227/0x2150 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 kobject: 'queues' (00000000d0d7191f): kobject_uevent_env invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3922 kobject: 'queues' (00000000d0d7191f): kobject_uevent_env: filter function caused the event to drop! __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1b/0x50 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] zap_pte_range mm/memory.c:1395 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1017/0x1e20 mm/memory.c:1511 unmap_single_vma+0x19d/0x300 mm/memory.c:1556 unmap_vmas+0xae/0x180 mm/memory.c:1586 exit_mmap+0x2c2/0x530 mm/mmap.c:3097 __mmput kernel/fork.c:1010 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1031 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0x8d9/0x1c20 fs/exec.c:1276 load_elf_binary+0x9c0/0x51f0 fs/binfmt_elf.c:869 search_binary_handler fs/exec.c:1653 [inline] search_binary_handler+0x179/0x570 fs/exec.c:1631 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.0+0x1227/0x2150 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } kobject: 'rx-0' (00000000454fe0d6): kobject_add_internal: parent: 'queues', set: 'queues' ... key at: [] __key.50193+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] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&ctx->fd_wqh){....} ops: 21 { INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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+0xc7/0x190 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 userfaultfd_release+0x534/0x720 fs/userfaultfd.c:930 kobject: 'rx-0' (00000000454fe0d6): kobject_uevent_env __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 kobject: 'rx-0' (00000000454fe0d6): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.43730+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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 fs/userfaultfd.c:1046 [inline] userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 __vfs_read+0x114/0x800 fs/read_write.c:416 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 kobject: 'tx-0' (00000000bdbaf644): kobject_add_internal: parent: 'queues', set: 'queues' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&ctx->fault_pending_wqh){+.+.} ops: 16 { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 kobject: 'tx-0' (00000000bdbaf644): kobject_uevent_env prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'tx-0' (00000000bdbaf644): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 kobject: 'tunl0' (00000000f89ab262): kobject_add_internal: parent: 'net', set: 'devices' ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.43727+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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 fs/userfaultfd.c:1046 [inline] userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 kobject: 'tunl0' (00000000f89ab262): kobject_uevent_env __vfs_read+0x114/0x800 fs/read_write.c:416 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 kobject: 'tunl0' (00000000f89ab262): fill_kobj_path: path = '/devices/virtual/net/tunl0' __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 11668 Comm: syz-executor.2 Not tainted 4.19.53+ #25 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+0x172/0x1f0 lib/dump_stack.c:113 print_bad_irq_dependency kernel/locking/lockdep.c:1568 [inline] check_usage.cold+0x611/0x946 kernel/locking/lockdep.c:1600 kobject: 'queues' (0000000064f560f5): kobject_add_internal: parent: 'tunl0', set: '' check_irq_usage kernel/locking/lockdep.c:1656 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x1ee4/0x48f0 kernel/locking/lockdep.c:3411 kobject: 'queues' (0000000064f560f5): kobject_uevent_env kobject: 'queues' (0000000064f560f5): kobject_uevent_env: filter function caused the event to drop! lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'rx-0' (00000000b5608af4): kobject_add_internal: parent: 'queues', set: 'queues' spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline] userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 kobject: 'rx-0' (00000000b5608af4): kobject_uevent_env kobject: 'rx-0' (00000000b5608af4): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'tx-0' (00000000d4f779d4): kobject_add_internal: parent: 'queues', set: 'queues' __vfs_read+0x114/0x800 fs/read_write.c:416 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 kobject: 'tx-0' (00000000d4f779d4): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'tx-0' (00000000d4f779d4): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' RSP: 002b:00007f088f406c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 RDX: 0000000000000064 RSI: 0000000020009f9c RDI: 0000000000000005 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 kobject: 'gre0' (000000001ed84f17): kobject_add_internal: parent: 'net', set: 'devices' R10: 0000000000000000 R11: 0000000000000246 R12: 00007f088f4076d4 R13: 00000000004c53aa R14: 00000000004db138 R15: 00000000ffffffff kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'kvm' (000000003f364c3d): kobject_uevent_env net_ratelimit: 20 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'gre0' (000000001ed84f17): kobject_uevent_env kobject: 'kvm' (000000003f364c3d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'gre0' (000000001ed84f17): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'kvm' (000000003f364c3d): kobject_uevent_env kobject: 'queues' (0000000074f84e05): kobject_add_internal: parent: 'gre0', set: '' kobject: 'loop0' (000000003fe3302c): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'queues' (0000000074f84e05): kobject_uevent_env kobject: 'loop0' (000000003fe3302c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (0000000074f84e05): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'kvm' (000000003f364c3d): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000c539edb8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'rx-0' (00000000c539edb8): kobject_uevent_env kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000c539edb8): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'loop0' (000000003fe3302c): kobject_uevent_env kobject: 'tx-0' (0000000035c78576): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (000000003fe3302c): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000035c78576): kobject_uevent_env kobject: 'loop2' (00000000e19bfb22): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop2' (00000000e19bfb22): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'tx-0' (0000000035c78576): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'gretap0' (00000000f32bf266): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gretap0' (00000000f32bf266): kobject_uevent_env kobject: 'gretap0' (00000000f32bf266): fill_kobj_path: path = '/devices/virtual/net/gretap0' kobject: 'queues' (000000004bfc4dfc): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'queues' (000000004bfc4dfc): kobject_uevent_env kobject: 'queues' (000000004bfc4dfc): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000005894b65d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000005894b65d): kobject_uevent_env kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'rx-0' (000000005894b65d): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' kobject: 'tx-0' (00000000d0718a08): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'tx-0' (00000000d0718a08): kobject_uevent_env kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000d0718a08): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'batman_adv' (000000000fe9648e): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'erspan0' (00000000624b8ee8): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'erspan0' (00000000624b8ee8): kobject_uevent_env kobject: 'erspan0' (00000000624b8ee8): fill_kobj_path: path = '/devices/virtual/net/erspan0' kobject: 'queues' (0000000098804843): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'queues' (0000000098804843): kobject_uevent_env kobject: 'queues' (0000000098804843): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000004e579956): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000004e579956): kobject_uevent_env kobject: 'rx-0' (000000004e579956): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' kobject: 'tx-0' (0000000078fb0ec0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000078fb0ec0): kobject_uevent_env kobject: 'tx-0' (0000000078fb0ec0): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'batman_adv' (00000000dc42022e): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'ip_vti0' (00000000e2233820): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop2' (00000000e19bfb22): kobject_uevent_env kobject: 'loop2' (00000000e19bfb22): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip_vti0' (00000000e2233820): kobject_uevent_env kobject: 'ip_vti0' (00000000e2233820): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' kobject: 'queues' (00000000d40ff3aa): kobject_add_internal: parent: 'ip_vti0', set: '' kobject: 'queues' (00000000d40ff3aa): kobject_uevent_env kobject: 'loop0' (000000003fe3302c): kobject_uevent_env kobject: 'queues' (00000000d40ff3aa): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop0' (000000003fe3302c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000bb9a03c0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000bb9a03c0): kobject_uevent_env kobject: 'rx-0' (00000000bb9a03c0): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' kobject: 'tx-0' (00000000937551db): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000937551db): kobject_uevent_env kobject: 'tx-0' (00000000937551db): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'ip6_vti0' (00000000b573195c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6_vti0' (00000000b573195c): kobject_uevent_env kobject: 'ip6_vti0' (00000000b573195c): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0' kobject: 'queues' (000000006589ff6e): kobject_add_internal: parent: 'ip6_vti0', set: '' kobject: 'queues' (000000006589ff6e): kobject_uevent_env kobject: 'queues' (000000006589ff6e): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000003ce9201a): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000003ce9201a): kobject_uevent_env kobject: 'rx-0' (000000003ce9201a): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/rx-0' kobject: 'tx-0' (000000005e43ad85): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000005e43ad85): kobject_uevent_env kobject: 'tx-0' (000000005e43ad85): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/tx-0' kobject: 'sit0' (00000000681098f2): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'sit0' (00000000681098f2): kobject_uevent_env kobject: 'sit0' (00000000681098f2): fill_kobj_path: path = '/devices/virtual/net/sit0' kobject: 'queues' (00000000f9e1d629): kobject_add_internal: parent: 'sit0', set: '' kobject: 'queues' (00000000f9e1d629): kobject_uevent_env kobject: 'queues' (00000000f9e1d629): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000bf364942): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000bf364942): kobject_uevent_env kobject: 'rx-0' (00000000bf364942): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/rx-0' kobject: 'tx-0' (0000000042ffaf24): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000042ffaf24): kobject_uevent_env kobject: 'tx-0' (0000000042ffaf24): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/tx-0' kobject: 'ip6tnl0' (00000000cba8e64d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6tnl0' (00000000cba8e64d): kobject_uevent_env kobject: 'ip6tnl0' (00000000cba8e64d): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0' kobject: 'queues' (00000000f06385fc): kobject_add_internal: parent: 'ip6tnl0', set: '' kobject: 'queues' (00000000f06385fc): kobject_uevent_env kobject: 'queues' (00000000f06385fc): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000064fa5069): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000064fa5069): kobject_uevent_env kobject: 'rx-0' (0000000064fa5069): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/rx-0' kobject: 'tx-0' (000000001c69ecf0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000001c69ecf0): kobject_uevent_env kobject: 'tx-0' (000000001c69ecf0): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/tx-0' kobject: 'ip6gre0' (000000005247ae55): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6gre0' (000000005247ae55): kobject_uevent_env kobject: 'ip6gre0' (000000005247ae55): fill_kobj_path: path = '/devices/virtual/net/ip6gre0' kobject: 'queues' (00000000d18ddcf2): kobject_add_internal: parent: 'ip6gre0', set: '' kobject: 'queues' (00000000d18ddcf2): kobject_uevent_env kobject: 'queues' (00000000d18ddcf2): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000099f7b0d3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000099f7b0d3): kobject_uevent_env kobject: 'rx-0' (0000000099f7b0d3): fill_kobj_path: path = '/devices/virtual/net/ip6gre0/queues/rx-0' kobject: 'tx-0' (00000000e5ffe331): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000e5ffe331): kobject_uevent_env kobject: 'tx-0' (00000000e5ffe331): fill_kobj_path: path = '/devices/virtual/net/ip6gre0/queues/tx-0' kobject: 'loop1' (0000000060361fa3): kobject_uevent_env kobject: 'loop1' (0000000060361fa3): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (0000000099f7b0d3): kobject_cleanup, parent 00000000d18ddcf2 kobject: 'rx-0' (0000000099f7b0d3): auto cleanup 'remove' event kobject: 'loop2' (00000000e19bfb22): kobject_uevent_env kobject: 'rx-0' (0000000099f7b0d3): kobject_uevent_env kobject: 'loop2' (00000000e19bfb22): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (0000000099f7b0d3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'rx-0' (0000000099f7b0d3): auto cleanup kobject_del kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (0000000099f7b0d3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000e5ffe331): kobject_cleanup, parent 00000000d18ddcf2 kobject: 'tx-0' (00000000e5ffe331): auto cleanup 'remove' event kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'tx-0' (00000000e5ffe331): kobject_uevent_env kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (00000000e5ffe331): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (00000000e19bfb22): kobject_uevent_env kobject: 'tx-0' (00000000e5ffe331): auto cleanup kobject_del kobject: 'loop2' (00000000e19bfb22): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000e5ffe331): calling ktype release kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'tx-0': free name kobject: 'queues' (00000000d18ddcf2): kobject_cleanup, parent (null) kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (00000000d18ddcf2): calling ktype release kobject: 'queues' (00000000d18ddcf2): kset_release kobject: 'queues': free name kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6gre0' (000000005247ae55): kobject_uevent_env kobject: 'ip6gre0' (000000005247ae55): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000005247ae55): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000005247ae55): calling ktype release kobject: 'ip6gre0': free name kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (0000000064fa5069): kobject_cleanup, parent 00000000f06385fc kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'rx-0' (0000000064fa5069): auto cleanup 'remove' event kobject: 'rx-0' (0000000064fa5069): kobject_uevent_env kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (0000000064fa5069): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000064fa5069): auto cleanup kobject_del kobject: 'rx-0' (0000000064fa5069): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000001c69ecf0): kobject_cleanup, parent 00000000f06385fc kobject: 'tx-0' (000000001c69ecf0): auto cleanup 'remove' event kobject: 'tx-0' (000000001c69ecf0): kobject_uevent_env kobject: 'tx-0' (000000001c69ecf0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000001c69ecf0): auto cleanup kobject_del kobject: 'tx-0' (000000001c69ecf0): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f06385fc): kobject_cleanup, parent (null) kobject: 'queues' (00000000f06385fc): calling ktype release kobject: 'queues' (00000000f06385fc): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000cba8e64d): kobject_uevent_env kobject: 'ip6tnl0' (00000000cba8e64d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000cba8e64d): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000cba8e64d): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (00000000bf364942): kobject_cleanup, parent 00000000f9e1d629 kobject: 'rx-0' (00000000bf364942): auto cleanup 'remove' event kobject: 'rx-0' (00000000bf364942): kobject_uevent_env kobject: 'rx-0' (00000000bf364942): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000bf364942): auto cleanup kobject_del kobject: 'rx-0' (00000000bf364942): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000042ffaf24): kobject_cleanup, parent 00000000f9e1d629 kobject: 'tx-0' (0000000042ffaf24): auto cleanup 'remove' event kobject: 'tx-0' (0000000042ffaf24): kobject_uevent_env kobject: 'tx-0' (0000000042ffaf24): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000042ffaf24): auto cleanup kobject_del kobject: 'tx-0' (0000000042ffaf24): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f9e1d629): kobject_cleanup, parent (null) kobject: 'queues' (00000000f9e1d629): calling ktype release kobject: 'queues' (00000000f9e1d629): kset_release kobject: 'loop0' (000000003fe3302c): kobject_uevent_env kobject: 'queues': free name kobject: 'loop0' (000000003fe3302c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'sit0' (00000000681098f2): kobject_uevent_env kobject: 'sit0' (00000000681098f2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000681098f2): kobject_cleanup, parent (null) kobject: 'sit0' (00000000681098f2): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (000000003ce9201a): kobject_cleanup, parent 000000006589ff6e kobject: 'rx-0' (000000003ce9201a): auto cleanup 'remove' event kobject: 'rx-0' (000000003ce9201a): kobject_uevent_env kobject: 'rx-0' (000000003ce9201a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003ce9201a): auto cleanup kobject_del kobject: 'rx-0' (000000003ce9201a): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000005e43ad85): kobject_cleanup, parent 000000006589ff6e kobject: 'tx-0' (000000005e43ad85): auto cleanup 'remove' event kobject: 'tx-0' (000000005e43ad85): kobject_uevent_env kobject: 'tx-0' (000000005e43ad85): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000005e43ad85): auto cleanup kobject_del kobject: 'tx-0' (000000005e43ad85): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006589ff6e): kobject_cleanup, parent (null) kobject: 'queues' (000000006589ff6e): calling ktype release kobject: 'queues' (000000006589ff6e): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000b573195c): kobject_uevent_env kobject: 'ip6_vti0' (00000000b573195c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000b573195c): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000b573195c): calling ktype release kobject: 'ip6_vti0': free name kobject: 'rx-0' (00000000bb9a03c0): kobject_cleanup, parent 00000000d40ff3aa kobject: 'rx-0' (00000000bb9a03c0): auto cleanup 'remove' event kobject: 'rx-0' (00000000bb9a03c0): kobject_uevent_env kobject: 'rx-0' (00000000bb9a03c0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000bb9a03c0): auto cleanup kobject_del kobject: 'rx-0' (00000000bb9a03c0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000937551db): kobject_cleanup, parent 00000000d40ff3aa kobject: 'tx-0' (00000000937551db): auto cleanup 'remove' event kobject: 'tx-0' (00000000937551db): kobject_uevent_env kobject: 'tx-0' (00000000937551db): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000937551db): auto cleanup kobject_del kobject: 'tx-0' (00000000937551db): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000d40ff3aa): kobject_cleanup, parent (null) kobject: 'queues' (00000000d40ff3aa): calling ktype release kobject: 'queues' (00000000d40ff3aa): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (00000000e2233820): kobject_uevent_env kobject: 'ip_vti0' (00000000e2233820): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (00000000e2233820): kobject_cleanup, parent (null) kobject: 'ip_vti0' (00000000e2233820): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (00000000dc42022e): kobject_uevent_env kobject: 'batman_adv' (00000000dc42022e): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000dc42022e): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000dc42022e): calling ktype release kobject: (00000000dc42022e): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000004e579956): kobject_cleanup, parent 0000000098804843 kobject: 'rx-0' (000000004e579956): auto cleanup 'remove' event kobject: 'rx-0' (000000004e579956): kobject_uevent_env kobject: 'rx-0' (000000004e579956): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000004e579956): auto cleanup kobject_del kobject: 'rx-0' (000000004e579956): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000078fb0ec0): kobject_cleanup, parent 0000000098804843 kobject: 'tx-0' (0000000078fb0ec0): auto cleanup 'remove' event kobject: 'tx-0' (0000000078fb0ec0): kobject_uevent_env kobject: 'tx-0' (0000000078fb0ec0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000078fb0ec0): auto cleanup kobject_del kobject: 'tx-0' (0000000078fb0ec0): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000098804843): kobject_cleanup, parent (null) kobject: 'queues' (0000000098804843): calling ktype release kobject: 'queues' (0000000098804843): kset_release kobject: 'queues': free name kobject: 'erspan0' (00000000624b8ee8): kobject_uevent_env kobject: 'erspan0' (00000000624b8ee8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'erspan0' (00000000624b8ee8): kobject_cleanup, parent (null) kobject: 'erspan0' (00000000624b8ee8): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (000000000fe9648e): kobject_uevent_env kobject: 'batman_adv' (000000000fe9648e): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000000fe9648e): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000000fe9648e): calling ktype release kobject: (000000000fe9648e): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000005894b65d): kobject_cleanup, parent 000000004bfc4dfc kobject: 'rx-0' (000000005894b65d): auto cleanup 'remove' event kobject: 'rx-0' (000000005894b65d): kobject_uevent_env kobject: 'rx-0' (000000005894b65d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000005894b65d): auto cleanup kobject_del kobject: 'rx-0' (000000005894b65d): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d0718a08): kobject_cleanup, parent 000000004bfc4dfc kobject: 'tx-0' (00000000d0718a08): auto cleanup 'remove' event kobject: 'tx-0' (00000000d0718a08): kobject_uevent_env kobject: 'tx-0' (00000000d0718a08): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000d0718a08): auto cleanup kobject_del kobject: 'tx-0' (00000000d0718a08): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004bfc4dfc): kobject_cleanup, parent (null) kobject: 'queues' (000000004bfc4dfc): calling ktype release kobject: 'queues' (000000004bfc4dfc): kset_release kobject: 'queues': free name kobject: 'gretap0' (00000000f32bf266): kobject_uevent_env kobject: 'gretap0' (00000000f32bf266): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (00000000f32bf266): kobject_cleanup, parent (null) kobject: 'gretap0' (00000000f32bf266): calling ktype release kobject: 'gretap0': free name kobject: 'rx-0' (00000000c539edb8): kobject_cleanup, parent 0000000074f84e05 kobject: 'rx-0' (00000000c539edb8): auto cleanup 'remove' event kobject: 'rx-0' (00000000c539edb8): kobject_uevent_env kobject: 'rx-0' (00000000c539edb8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000c539edb8): auto cleanup kobject_del kobject: 'rx-0' (00000000c539edb8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000035c78576): kobject_cleanup, parent 0000000074f84e05 kobject: 'tx-0' (0000000035c78576): auto cleanup 'remove' event kobject: 'tx-0' (0000000035c78576): kobject_uevent_env kobject: 'tx-0' (0000000035c78576): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000035c78576): auto cleanup kobject_del kobject: 'tx-0' (0000000035c78576): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000074f84e05): kobject_cleanup, parent (null) kobject: 'queues' (0000000074f84e05): calling ktype release kobject: 'queues' (0000000074f84e05): kset_release kobject: 'queues': free name kobject: 'gre0' (000000001ed84f17): kobject_uevent_env kobject: 'gre0' (000000001ed84f17): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (000000001ed84f17): kobject_cleanup, parent (null) kobject: 'gre0' (000000001ed84f17): calling ktype release kobject: 'gre0': free name kobject: 'rx-0' (00000000b5608af4): kobject_cleanup, parent 0000000064f560f5 kobject: 'rx-0' (00000000b5608af4): auto cleanup 'remove' event kobject: 'rx-0' (00000000b5608af4): kobject_uevent_env kobject: 'rx-0' (00000000b5608af4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000b5608af4): auto cleanup kobject_del kobject: 'rx-0' (00000000b5608af4): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d4f779d4): kobject_cleanup, parent 0000000064f560f5 kobject: 'tx-0' (00000000d4f779d4): auto cleanup 'remove' event kobject: 'tx-0' (00000000d4f779d4): kobject_uevent_env kobject: 'tx-0' (00000000d4f779d4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000d4f779d4): auto cleanup kobject_del kobject: 'tx-0' (00000000d4f779d4): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000064f560f5): kobject_cleanup, parent (null) kobject: 'queues' (0000000064f560f5): calling ktype release kobject: 'queues' (0000000064f560f5): kset_release kobject: 'queues': free name kobject: 'tunl0' (00000000f89ab262): kobject_uevent_env kobject: 'tunl0' (00000000f89ab262): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tunl0' (00000000f89ab262): kobject_cleanup, parent (null) kobject: 'tunl0' (00000000f89ab262): calling ktype release kobject: 'tunl0': free name kobject: 'rx-0' (00000000454fe0d6): kobject_cleanup, parent 00000000d0d7191f kobject: 'rx-0' (00000000454fe0d6): auto cleanup 'remove' event kobject: 'rx-0' (00000000454fe0d6): kobject_uevent_env kobject: 'rx-0' (00000000454fe0d6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000454fe0d6): auto cleanup kobject_del kobject: 'rx-0' (00000000454fe0d6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000bdbaf644): kobject_cleanup, parent 00000000d0d7191f kobject: 'tx-0' (00000000bdbaf644): auto cleanup 'remove' event kobject: 'tx-0' (00000000bdbaf644): kobject_uevent_env kobject: 'tx-0' (00000000bdbaf644): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000bdbaf644): auto cleanup kobject_del kobject: 'tx-0' (00000000bdbaf644): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000d0d7191f): kobject_cleanup, parent (null) kobject: 'queues' (00000000d0d7191f): calling ktype release kobject: 'queues' (00000000d0d7191f): kset_release kobject: 'queues': free name kobject: 'lo' (00000000f3d9b9c2): kobject_uevent_env kobject: 'lo' (00000000f3d9b9c2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (00000000f3d9b9c2): kobject_cleanup, parent (null) kobject: 'lo' (00000000f3d9b9c2): calling ktype release kobject: 'lo': free name kobject: 'loop1' (0000000060361fa3): kobject_uevent_env kobject: 'loop1' (0000000060361fa3): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e19bfb22): kobject_uevent_env IPVS: ftp: loaded support on port[0] = 21 kobject: 'loop2' (00000000e19bfb22): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'lo' (00000000f4481767): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'lo' (00000000f4481767): kobject_uevent_env kobject: 'lo' (00000000f4481767): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (0000000056ef741b): kobject_add_internal: parent: 'lo', set: '' kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'queues' (0000000056ef741b): kobject_uevent_env kobject: 'queues' (0000000056ef741b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000537e24ac): kobject_add_internal: parent: 'queues', set: 'queues' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000537e24ac): kobject_uevent_env kobject: 'rx-0' (00000000537e24ac): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (00000000fb620ce6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000fb620ce6): kobject_uevent_env kobject: 'tx-0' (00000000fb620ce6): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'tunl0' (000000007b9b74b9): kobject_add_internal: parent: 'net', set: 'devices' CPU: 1 PID: 11810 Comm: syz-executor.4 Not tainted 4.19.53+ #25 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'tunl0' (000000007b9b74b9): kobject_uevent_env kobject: 'tunl0' (000000007b9b74b9): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'queues' (00000000ba814e74): kobject_add_internal: parent: 'tunl0', set: '' __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kobject: 'queues' (00000000ba814e74): kobject_uevent_env kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] fsnotify_alloc_group+0x46/0x310 fs/notify/group.c:132 kobject: 'queues' (00000000ba814e74): kobject_uevent_env: filter function caused the event to drop! inotify_new_group fs/notify/inotify/inotify_user.c:630 [inline] do_inotify_init+0x49/0x580 fs/notify/inotify/inotify_user.c:677 __do_sys_inotify_init1 fs/notify/inotify/inotify_user.c:691 [inline] __se_sys_inotify_init1 fs/notify/inotify/inotify_user.c:689 [inline] __x64_sys_inotify_init1+0x31/0x40 fs/notify/inotify/inotify_user.c:689 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'rx-0' (00000000cb99584c): kobject_add_internal: parent: 'queues', set: 'queues' RIP: 0033:0x4592c9 Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6273a50c78 EFLAGS: 00000246 kobject: 'rx-0' (00000000cb99584c): kobject_uevent_env ORIG_RAX: 0000000000000126 RAX: ffffffffffffffda RBX: 00007f6273a50c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6273a516d4 kobject: 'rx-0' (00000000cb99584c): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' R13: 00000000004c05ed R14: 00000000004d2f60 R15: 0000000000000003 kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000030a1f99b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'tx-0' (0000000030a1f99b): kobject_uevent_env kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (0000000030a1f99b): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' kobject: 'gre0' (000000005b7488bf): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gre0' (000000005b7488bf): kobject_uevent_env kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'gre0' (000000005b7488bf): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'queues' (00000000050e3785): kobject_add_internal: parent: 'gre0', set: '' kobject: 'queues' (00000000050e3785): kobject_uevent_env kobject: 'queues' (00000000050e3785): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000b0ff27d9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000b0ff27d9): kobject_uevent_env kobject: 'rx-0' (00000000b0ff27d9): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'tx-0' (000000006c9785a0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'tx-0' (000000006c9785a0): kobject_uevent_env kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000006c9785a0): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11826 Comm: syz-executor.4 Not tainted 4.19.53+ #25 kobject: 'gretap0' (00000000d22dfba4): kobject_add_internal: parent: 'net', set: 'devices' 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+0x172/0x1f0 lib/dump_stack.c:113 kobject: 'gretap0' (00000000d22dfba4): kobject_uevent_env fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'gretap0' (00000000d22dfba4): fill_kobj_path: path = '/devices/virtual/net/gretap0' __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kobject: 'queues' (00000000fccb9b7c): kobject_add_internal: parent: 'gretap0', set: '' kmalloc include/linux/slab.h:515 [inline] inotify_new_group fs/notify/inotify/inotify_user.c:634 [inline] do_inotify_init+0xa2/0x580 fs/notify/inotify/inotify_user.c:677 __do_sys_inotify_init1 fs/notify/inotify/inotify_user.c:691 [inline] __se_sys_inotify_init1 fs/notify/inotify/inotify_user.c:689 [inline] __x64_sys_inotify_init1+0x31/0x40 fs/notify/inotify/inotify_user.c:689 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'queues' (00000000fccb9b7c): kobject_uevent_env RSP: 002b:00007f6273a50c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000126 RAX: ffffffffffffffda RBX: 00007f6273a50c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6273a516d4 R13: 00000000004c05ed R14: 00000000004d2f60 R15: 0000000000000003 kobject: 'queues' (00000000fccb9b7c): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'rx-0' (00000000de076170): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000de076170): kobject_uevent_env net_ratelimit: 20 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 kobject: 'rx-0' (00000000de076170): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (000000003fe3302c): kobject_uevent_env kobject: 'tx-0' (00000000376a49ca): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (000000003fe3302c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (00000000376a49ca): kobject_uevent_env kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'tx-0' (00000000376a49ca): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'batman_adv' (00000000eb8ce411): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'erspan0' (00000000c7702ce6): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'erspan0' (00000000c7702ce6): kobject_uevent_env kobject: 'erspan0' (00000000c7702ce6): fill_kobj_path: path = '/devices/virtual/net/erspan0' kobject: 'queues' (000000009dc0fa32): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'queues' (000000009dc0fa32): kobject_uevent_env kobject: 'queues' (000000009dc0fa32): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000030fdce11): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000030fdce11): kobject_uevent_env kobject: 'rx-0' (0000000030fdce11): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' kobject: 'tx-0' (00000000123bd566): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000123bd566): kobject_uevent_env kobject: 'tx-0' (00000000123bd566): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'batman_adv' (00000000d9426606): kobject_add_internal: parent: 'erspan0', set: '' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'ip_vti0' (00000000653b2045): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip_vti0' (00000000653b2045): kobject_uevent_env kobject: 'ip_vti0' (00000000653b2045): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' kobject: 'queues' (00000000fc56a9b7): kobject_add_internal: parent: 'ip_vti0', set: '' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'queues' (00000000fc56a9b7): kobject_uevent_env kobject: 'queues' (00000000fc56a9b7): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000002cc13aa): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000002cc13aa): kobject_uevent_env kobject: 'rx-0' (0000000002cc13aa): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' kobject: 'tx-0' (00000000af1c215a): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000af1c215a): kobject_uevent_env kobject: 'tx-0' (00000000af1c215a): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'ip6_vti0' (000000009e6e0345): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6_vti0' (000000009e6e0345): kobject_uevent_env kobject: 'ip6_vti0' (000000009e6e0345): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0' kobject: 'queues' (00000000521ea675): kobject_add_internal: parent: 'ip6_vti0', set: '' kobject: 'queues' (00000000521ea675): kobject_uevent_env kobject: 'queues' (00000000521ea675): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000be681822): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000be681822): kobject_uevent_env kobject: 'rx-0' (00000000be681822): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/rx-0' kobject: 'tx-0' (000000004c2b2a6a): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004c2b2a6a): kobject_uevent_env kobject: 'tx-0' (000000004c2b2a6a): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/tx-0' kobject: 'sit0' (0000000090ee948f): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'sit0' (0000000090ee948f): kobject_uevent_env kobject: 'sit0' (0000000090ee948f): fill_kobj_path: path = '/devices/virtual/net/sit0' kobject: 'queues' (000000006841a392): kobject_add_internal: parent: 'sit0', set: '' kobject: 'queues' (000000006841a392): kobject_uevent_env kobject: 'queues' (000000006841a392): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000002c5a94e4): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000002c5a94e4): kobject_uevent_env kobject: 'rx-0' (000000002c5a94e4): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/rx-0' kobject: 'tx-0' (000000004d97aba3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004d97aba3): kobject_uevent_env kobject: 'tx-0' (000000004d97aba3): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/tx-0' kobject: 'ip6tnl0' (00000000fa5cffc5): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6tnl0' (00000000fa5cffc5): kobject_uevent_env kobject: 'ip6tnl0' (00000000fa5cffc5): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0' kobject: 'queues' (00000000ae0272a9): kobject_add_internal: parent: 'ip6tnl0', set: '' kobject: 'queues' (00000000ae0272a9): kobject_uevent_env kobject: 'queues' (00000000ae0272a9): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000004c5abf5f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000004c5abf5f): kobject_uevent_env kobject: 'rx-0' (000000004c5abf5f): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/rx-0' kobject: 'tx-0' (00000000b679194f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000b679194f): kobject_uevent_env kobject: 'tx-0' (00000000b679194f): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/tx-0' kobject: 'ip6gre0' (000000004f95bb9b): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6gre0' (000000004f95bb9b): kobject_uevent_env kobject: 'ip6gre0' (000000004f95bb9b): fill_kobj_path: path = '/devices/virtual/net/ip6gre0' kobject: 'queues' (0000000025bfbcd5): kobject_add_internal: parent: 'ip6gre0', set: '' kobject: 'queues' (0000000025bfbcd5): kobject_uevent_env kobject: 'queues' (0000000025bfbcd5): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000d6f43e4f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000d6f43e4f): kobject_uevent_env kobject: 'rx-0' (00000000d6f43e4f): fill_kobj_path: path = '/devices/virtual/net/ip6gre0/queues/rx-0' kobject: 'tx-0' (0000000090afe89f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000090afe89f): kobject_uevent_env kobject: 'tx-0' (0000000090afe89f): fill_kobj_path: path = '/devices/virtual/net/ip6gre0/queues/tx-0' kobject: 'loop2' (00000000e19bfb22): kobject_uevent_env kobject: 'loop2' (00000000e19bfb22): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (0000000060361fa3): kobject_uevent_env kobject: 'loop1' (0000000060361fa3): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000d6f43e4f): kobject_cleanup, parent 0000000025bfbcd5 CPU: 1 PID: 11841 Comm: syz-executor.4 Not tainted 4.19.53+ #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'rx-0' (00000000d6f43e4f): auto cleanup 'remove' event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'rx-0' (00000000d6f43e4f): kobject_uevent_env kobject: 'rx-0' (00000000d6f43e4f): kobject_uevent_env: uevent_suppress caused the event to drop! __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 kobject: 'rx-0' (00000000d6f43e4f): auto cleanup kobject_del __d_alloc+0x2e/0x9c0 fs/dcache.c:1610 kobject: 'rx-0' (00000000d6f43e4f): calling ktype release d_alloc_pseudo+0x1e/0x70 fs/dcache.c:1741 alloc_file_pseudo+0xe2/0x280 fs/file_table.c:224 anon_inode_getfile fs/anon_inodes.c:87 [inline] anon_inode_getfile+0xda/0x200 fs/anon_inodes.c:70 kobject: 'rx-0': free name anon_inode_getfd+0x54/0xb0 fs/anon_inodes.c:132 do_inotify_init+0x446/0x580 fs/notify/inotify/inotify_user.c:681 __do_sys_inotify_init1 fs/notify/inotify/inotify_user.c:691 [inline] __se_sys_inotify_init1 fs/notify/inotify/inotify_user.c:689 [inline] __x64_sys_inotify_init1+0x31/0x40 fs/notify/inotify/inotify_user.c:689 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'tx-0' (0000000090afe89f): kobject_cleanup, parent 0000000025bfbcd5 RIP: 0033:0x4592c9 Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6273a50c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000126 kobject: 'tx-0' (0000000090afe89f): auto cleanup 'remove' event RAX: ffffffffffffffda RBX: 00007f6273a50c90 RCX: 00000000004592c9 kobject: 'tx-0' (0000000090afe89f): kobject_uevent_env RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6273a516d4 R13: 00000000004c05ed R14: 00000000004d2f60 R15: 0000000000000003 kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' CPU: 1 PID: 11864 Comm: syz-executor.4 Not tainted 4.19.53+ #25 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] __alloc_file+0x27/0x300 fs/file_table.c:100 alloc_empty_file+0x72/0x170 fs/file_table.c:150 alloc_file+0x5e/0x4d0 fs/file_table.c:192 alloc_file_pseudo+0x189/0x280 fs/file_table.c:231 anon_inode_getfile fs/anon_inodes.c:87 [inline] anon_inode_getfile+0xda/0x200 fs/anon_inodes.c:70 kobject: 'tx-0' (0000000090afe89f): kobject_uevent_env: uevent_suppress caused the event to drop! anon_inode_getfd+0x54/0xb0 fs/anon_inodes.c:132 do_inotify_init+0x446/0x580 fs/notify/inotify/inotify_user.c:681 __do_sys_inotify_init1 fs/notify/inotify/inotify_user.c:691 [inline] __se_sys_inotify_init1 fs/notify/inotify/inotify_user.c:689 [inline] __x64_sys_inotify_init1+0x31/0x40 fs/notify/inotify/inotify_user.c:689 kobject: 'tx-0' (0000000090afe89f): auto cleanup kobject_del do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 kobject: 'tx-0' (0000000090afe89f): calling ktype release Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6273a50c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000126 RAX: ffffffffffffffda RBX: 00007f6273a50c90 RCX: 00000000004592c9 kobject: 'tx-0': free name RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6273a516d4 R13: 00000000004c05ed R14: 00000000004d2f60 R15: 0000000000000003 kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env kobject: 'queues' (0000000025bfbcd5): kobject_cleanup, parent (null) kobject: 'queues' (0000000025bfbcd5): calling ktype release kobject: 'queues' (0000000025bfbcd5): kset_release kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues': free name kobject: 'ip6gre0' (000000004f95bb9b): kobject_uevent_env kobject: 'ip6gre0' (000000004f95bb9b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000004f95bb9b): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000004f95bb9b): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (000000004c5abf5f): kobject_cleanup, parent 00000000ae0272a9 kobject: 'rx-0' (000000004c5abf5f): auto cleanup 'remove' event kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'rx-0' (000000004c5abf5f): kobject_uevent_env CPU: 0 PID: 11879 Comm: syz-executor.4 Not tainted 4.19.53+ #25 kobject: 'loop5' (00000000d8e9a845): kobject_uevent_env 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop5' (00000000d8e9a845): fill_kobj_path: path = '/devices/virtual/block/loop5' __should_failslab+0x121/0x190 mm/failslab.c:32 kobject: 'rx-0' (000000004c5abf5f): kobject_uevent_env: uevent_suppress caused the event to drop! should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] file_alloc_security security/selinux/hooks.c:390 [inline] selinux_file_alloc_security+0xb4/0x190 security/selinux/hooks.c:3597 security_file_alloc+0x63/0xa0 security/security.c:884 __alloc_file+0x9d/0x300 fs/file_table.c:105 alloc_empty_file+0x72/0x170 fs/file_table.c:150 alloc_file+0x5e/0x4d0 fs/file_table.c:192 alloc_file_pseudo+0x189/0x280 fs/file_table.c:231 anon_inode_getfile fs/anon_inodes.c:87 [inline] anon_inode_getfile+0xda/0x200 fs/anon_inodes.c:70 anon_inode_getfd+0x54/0xb0 fs/anon_inodes.c:132 do_inotify_init+0x446/0x580 fs/notify/inotify/inotify_user.c:681 __do_sys_inotify_init1 fs/notify/inotify/inotify_user.c:691 [inline] __se_sys_inotify_init1 fs/notify/inotify/inotify_user.c:689 [inline] __x64_sys_inotify_init1+0x31/0x40 fs/notify/inotify/inotify_user.c:689 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6273a50c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000126 RAX: ffffffffffffffda RBX: 00007f6273a50c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6273a516d4 R13: 00000000004c05ed R14: 00000000004d2f60 R15: 0000000000000003 kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'rx-0' (000000004c5abf5f): auto cleanup kobject_del kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000004c5abf5f): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b679194f): kobject_cleanup, parent 00000000ae0272a9 kobject: 'tx-0' (00000000b679194f): auto cleanup 'remove' event kobject: 'tx-0' (00000000b679194f): kobject_uevent_env kobject: 'tx-0' (00000000b679194f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000b679194f): auto cleanup kobject_del kobject: 'tx-0' (00000000b679194f): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ae0272a9): kobject_cleanup, parent (null) kobject: 'queues' (00000000ae0272a9): calling ktype release kobject: 'queues' (00000000ae0272a9): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000fa5cffc5): kobject_uevent_env kobject: 'ip6tnl0' (00000000fa5cffc5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (000000003fe3302c): kobject_uevent_env kobject: 'loop0' (000000003fe3302c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'ip6tnl0' (00000000fa5cffc5): kobject_cleanup, parent (null) kobject: 'loop4' (00000000e073e2ce): kobject_uevent_env kobject: 'ip6tnl0' (00000000fa5cffc5): calling ktype release kobject: 'loop4' (00000000e073e2ce): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6tnl0': free name kobject: 'loop3' (00000000bc1a3411): kobject_uevent_env kobject: 'loop3' (00000000bc1a3411): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000002c5a94e4): kobject_cleanup, parent 000000006841a392 kobject: 'rx-0' (000000002c5a94e4): auto cleanup 'remove' event kobject: 'rx-0' (000000002c5a94e4): kobject_uevent_env kobject: 'rx-0' (000000002c5a94e4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000002c5a94e4): auto cleanup kobject_del kobject: 'rx-0' (000000002c5a94e4): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004d97aba3): kobject_cleanup, parent 000000006841a392 kobject: 'tx-0' (000000004d97aba3): auto cleanup 'remove' event kobject: 'tx-0' (000000004d97aba3): kobject_uevent_env kobject: 'tx-0' (000000004d97aba3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004d97aba3): auto cleanup kobject_del kobject: 'tx-0' (000000004d97aba3): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006841a392): kobject_cleanup, parent (null) kobject: 'queues' (000000006841a392): calling ktype release kobject: 'queues' (000000006841a392): kset_release kobject: 'queues': free name kobject: 'sit0' (0000000090ee948f): kobject_uevent_env kobject: 'sit0' (0000000090ee948f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (0000000090ee948f): kobject_cleanup, parent (null) kobject: 'sit0' (0000000090ee948f): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (00000000be681822): kobject_cleanup, parent 00000000521ea675 kobject: 'rx-0' (00000000be681822): auto cleanup 'remove' event kobject: 'rx-0' (00000000be681822): kobject_uevent_env kobject: 'rx-0' (00000000be681822): kobject_uevent_env: uevent_suppress caused the event to drop!