netlink: 'syz-executor.2': attribute type 1 has an invalid length. ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected kobject: 'vlan0' (00000000290da45a): kobject_add_internal: parent: 'net', set: 'devices' 4.19.75 #0 Not tainted ----------------------------------------------------- syz-executor.1/17532 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 0000000021689eb2 kobject: 'vlan0' (00000000290da45a): kobject_uevent_env (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline] (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline] (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 and this task is already holding: 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 which would create a new lock dependency: kobject: 'vlan0' (00000000290da45a): fill_kobj_path: path = '/devices/virtual/net/vlan0' (&(&ctx->ctx_lock)->rlock){..-.} -> (&fiq->waitq){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} kobject: 'queues' (00000000bcbdba2c): kobject_add_internal: parent: 'vlan0', set: '' ... which became SOFTIRQ-irq-safe 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: 'queues' (00000000bcbdba2c): kobject_uevent_env 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 kobject: 'queues' (00000000bcbdba2c): kobject_uevent_env: filter function caused the event to drop! __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:1094 kobject: 'rx-0' (00000000de155746): kobject_add_internal: parent: 'queues', set: 'queues' apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 memory_is_nonzero mm/kasan/kasan.c:183 [inline] memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] memory_is_poisoned mm/kasan/kasan.c:241 [inline] check_memory_region_inline mm/kasan/kasan.c:257 [inline] check_memory_region+0x56/0x190 mm/kasan/kasan.c:267 kobject: 'rx-0' (00000000de155746): kobject_uevent_env kobject: 'rx-0' (00000000de155746): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/rx-0' kasan_check_read+0x11/0x20 mm/kasan/kasan.c:272 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] queued_spin_is_locked include/asm-generic/qspinlock.h:35 [inline] debug_spin_unlock kernel/locking/spinlock_debug.c:98 [inline] do_raw_spin_unlock+0x57/0x270 kernel/locking/spinlock_debug.c:134 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock+0x23/0x50 kernel/locking/spinlock.c:176 kobject: 'tx-0' (000000006e4d2e8b): kobject_add_internal: parent: 'queues', set: 'queues' spin_unlock include/linux/spinlock.h:369 [inline] fast_dput fs/dcache.c:732 [inline] dput+0x542/0x670 fs/dcache.c:833 path_to_nameidata fs/namei.c:838 [inline] step_into fs/namei.c:1776 [inline] walk_component+0x373/0x2000 fs/namei.c:1829 link_path_walk.part.0+0x980/0x1330 fs/namei.c:2141 link_path_walk fs/namei.c:2269 [inline] path_lookupat.isra.0+0xe3/0x8d0 fs/namei.c:2317 kobject: 'tx-0' (000000006e4d2e8b): kobject_uevent_env filename_lookup+0x1b0/0x410 fs/namei.c:2348 user_path_at_empty+0x43/0x50 fs/namei.c:2608 kobject: 'tx-0' (000000006e4d2e8b): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/tx-0' user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x200 fs/stat.c:185 vfs_stat include/linux/fs.h:3128 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'batman_adv' (000000002298cc3a): kobject_add_internal: parent: 'vlan0', set: '' to a SOFTIRQ-irq-unsafe lock: (&fiq->waitq){+.+.} ... which became SOFTIRQ-irq-unsafe 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 kobject: 'loop2' (000000006607e220): kobject_uevent_env spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 kobject: 'loop2' (000000006607e220): fill_kobj_path: path = '/devices/virtual/block/loop2' fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 fuse_send_init fs/fuse/inode.c:973 [inline] fuse_fill_super+0x13b7/0x1720 fs/fuse/inode.c:1188 mount_nodev+0x66/0x110 fs/super.c:1204 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1213 kobject: 'loop0' (000000007d01552c): kobject_uevent_env mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 kobject: 'loop0' (000000007d01552c): fill_kobj_path: path = '/devices/virtual/block/loop0' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&fiq->waitq); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&fiq->waitq); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor.1/17532: #0: 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] #0: 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] #0: 00000000df7f9c13 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 23 { 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 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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 memory_is_nonzero mm/kasan/kasan.c:183 [inline] memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] memory_is_poisoned mm/kasan/kasan.c:241 [inline] check_memory_region_inline mm/kasan/kasan.c:257 [inline] check_memory_region+0x56/0x190 mm/kasan/kasan.c:267 kasan_check_read+0x11/0x20 mm/kasan/kasan.c:272 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] queued_spin_is_locked include/asm-generic/qspinlock.h:35 [inline] debug_spin_unlock kernel/locking/spinlock_debug.c:98 [inline] do_raw_spin_unlock+0x57/0x270 kernel/locking/spinlock_debug.c:134 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock+0x23/0x50 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] fast_dput fs/dcache.c:732 [inline] dput+0x542/0x670 fs/dcache.c:833 path_to_nameidata fs/namei.c:838 [inline] step_into fs/namei.c:1776 [inline] walk_component+0x373/0x2000 fs/namei.c:1829 link_path_walk.part.0+0x980/0x1330 fs/namei.c:2141 link_path_walk fs/namei.c:2269 [inline] path_lookupat.isra.0+0xe3/0x8d0 fs/namei.c:2317 filename_lookup+0x1b0/0x410 fs/namei.c:2348 user_path_at_empty+0x43/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x200 fs/stat.c:185 vfs_stat include/linux/fs.h:3128 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 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 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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 memory_is_nonzero mm/kasan/kasan.c:183 [inline] memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] memory_is_poisoned mm/kasan/kasan.c:241 [inline] check_memory_region_inline mm/kasan/kasan.c:257 [inline] check_memory_region+0x56/0x190 mm/kasan/kasan.c:267 kasan_check_read+0x11/0x20 mm/kasan/kasan.c:272 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] queued_spin_is_locked include/asm-generic/qspinlock.h:35 [inline] debug_spin_unlock kernel/locking/spinlock_debug.c:98 [inline] do_raw_spin_unlock+0x57/0x270 kernel/locking/spinlock_debug.c:134 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock+0x23/0x50 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] fast_dput fs/dcache.c:732 [inline] dput+0x542/0x670 fs/dcache.c:833 path_to_nameidata fs/namei.c:838 [inline] step_into fs/namei.c:1776 [inline] walk_component+0x373/0x2000 fs/namei.c:1829 link_path_walk.part.0+0x980/0x1330 fs/namei.c:2141 link_path_walk fs/namei.c:2269 [inline] path_lookupat.isra.0+0xe3/0x8d0 fs/namei.c:2317 filename_lookup+0x1b0/0x410 fs/namei.c:2348 user_path_at_empty+0x43/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x200 fs/stat.c:185 vfs_stat include/linux/fs.h:3128 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.50217+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] 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 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&fiq->waitq){+.+.} ops: 186 { 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] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 fuse_send_init fs/fuse/inode.c:973 [inline] fuse_fill_super+0x13b7/0x1720 fs/fuse/inode.c:1188 mount_nodev+0x66/0x110 fs/super.c:1204 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1213 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 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] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 fuse_send_init fs/fuse/inode.c:973 [inline] fuse_fill_super+0x13b7/0x1720 fs/fuse/inode.c:1188 mount_nodev+0x66/0x110 fs/super.c:1204 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1213 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 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 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] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 fuse_send_init fs/fuse/inode.c:973 [inline] fuse_fill_super+0x13b7/0x1720 fs/fuse/inode.c:1188 mount_nodev+0x66/0x110 fs/super.c:1204 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1213 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.42217+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] 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 stack backtrace: CPU: 1 PID: 17532 Comm: syz-executor.1 Not tainted 4.19.75 #0 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 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+0x1e8c/0x49c0 kernel/locking/lockdep.c:3411 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] 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 RIP: 0033:0x459a09 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:00007f29d81c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09 RDX: 00000000200004c0 RSI: 0000000000000001 RDI: 00007f29d81a0000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f29d81c36d4 R13: 00000000004c0dea R14: 00000000004d3f98 R15: 00000000ffffffff 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 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'bluetooth' (0000000039790a7c): kobject_add_internal: parent: 'virtual', set: '(null)' kobject: 'batman_adv' (000000002298cc3a): kobject_uevent_env kobject: 'hci0' (00000000d0798201): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'hci0' (00000000d0798201): kobject_uevent_env kobject: 'batman_adv' (000000002298cc3a): kobject_uevent_env: filter function caused the event to drop! kobject: 'hci0' (00000000d0798201): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' kobject: 'batman_adv' (000000002298cc3a): kobject_cleanup, parent (null) kobject: 'rfkill5' (00000000e3bb64ed): kobject_add_internal: parent: 'hci0', set: 'devices' kobject: 'batman_adv' (000000002298cc3a): calling ktype release kobject: 'rfkill5' (00000000e3bb64ed): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'rfkill5' (00000000e3bb64ed): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill5' protocol 88fb is buggy, dev hsr_slave_1 kobject: (000000002298cc3a): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000de155746): kobject_cleanup, parent 00000000bcbdba2c kobject: 'rx-0' (00000000de155746): auto cleanup 'remove' event kobject: 'rx-0' (00000000de155746): kobject_uevent_env kobject: 'rx-0' (00000000de155746): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/rx-0' kobject: 'rx-0' (00000000de155746): auto cleanup kobject_del kobject: 'rx-0' (00000000de155746): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000006e4d2e8b): kobject_cleanup, parent 00000000bcbdba2c kobject: 'tx-0' (000000006e4d2e8b): auto cleanup 'remove' event kobject: 'tx-0' (000000006e4d2e8b): kobject_uevent_env kobject: 'tx-0' (000000006e4d2e8b): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/tx-0' kobject: 'tx-0' (000000006e4d2e8b): auto cleanup kobject_del kobject: 'tx-0' (000000006e4d2e8b): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000bcbdba2c): kobject_cleanup, parent (null) kobject: 'queues' (00000000bcbdba2c): calling ktype release kobject: 'queues' (00000000bcbdba2c): kset_release kobject: 'queues': free name kobject: 'vlan0' (00000000290da45a): kobject_uevent_env kobject: 'vlan0' (00000000290da45a): fill_kobj_path: path = '/devices/virtual/net/vlan0' kobject: 'vlan0' (00000000290da45a): kobject_cleanup, parent (null) kobject: 'vlan0' (00000000290da45a): calling ktype release kobject: 'vlan0': free name kobject: 'loop3' (00000000a2bea1b6): kobject_uevent_env kobject: 'loop3' (00000000a2bea1b6): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.5': attribute type 1 has an invalid length. kobject: 'loop4' (00000000e4a3f48c): kobject_uevent_env netlink: 'syz-executor.2': attribute type 1 has an invalid length. kobject: 'loop4' (00000000e4a3f48c): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'vlan0' (000000006c1d66a7): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (000000007d01552c): kobject_uevent_env kobject: 'loop0' (000000007d01552c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000de596ad4): kobject_uevent_env kobject: 'loop5' (00000000de596ad4): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'vlan0' (000000006c1d66a7): kobject_uevent_env kobject: 'loop2' (000000006607e220): kobject_uevent_env netlink: 'syz-executor.2': attribute type 1 has an invalid length. kobject: 'loop2' (000000006607e220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'vlan0' (000000006c1d66a7): fill_kobj_path: path = '/devices/virtual/net/vlan0' kobject: 'loop4' (00000000e4a3f48c): kobject_uevent_env kobject: 'queues' (00000000c9823aac): kobject_add_internal: parent: 'vlan0', set: '' kobject: 'loop4' (00000000e4a3f48c): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000c9823aac): kobject_uevent_env kobject: 'queues' (00000000c9823aac): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop0' (000000007d01552c): kobject_uevent_env kobject: 'loop0' (000000007d01552c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000decfcf5c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (000000007d01552c): kobject_uevent_env kobject: 'rx-0' (00000000decfcf5c): kobject_uevent_env kobject: 'loop0' (000000007d01552c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000decfcf5c): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/rx-0' kobject: 'tx-0' (000000004989e759): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004989e759): kobject_uevent_env kobject: 'tx-0' (000000004989e759): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/tx-0' kobject: 'batman_adv' (00000000114d6638): kobject_add_internal: parent: 'vlan0', set: '' kobject: 'batman_adv' (00000000114d6638): kobject_uevent_env kobject: 'batman_adv' (00000000114d6638): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000114d6638): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000114d6638): calling ktype release kobject: (00000000114d6638): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000decfcf5c): kobject_cleanup, parent 00000000c9823aac kobject: 'rx-0' (00000000decfcf5c): auto cleanup 'remove' event kobject: 'rx-0' (00000000decfcf5c): kobject_uevent_env kobject: 'rx-0' (00000000decfcf5c): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/rx-0' kobject: 'rx-0' (00000000decfcf5c): auto cleanup kobject_del kobject: 'rx-0' (00000000decfcf5c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004989e759): kobject_cleanup, parent 00000000c9823aac kobject: 'tx-0' (000000004989e759): auto cleanup 'remove' event kobject: 'tx-0' (000000004989e759): kobject_uevent_env kobject: 'tx-0' (000000004989e759): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/tx-0' kobject: 'tx-0' (000000004989e759): auto cleanup kobject_del kobject: 'tx-0' (000000004989e759): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000c9823aac): kobject_cleanup, parent (null) kobject: 'queues' (00000000c9823aac): calling ktype release kobject: 'queues' (00000000c9823aac): kset_release kobject: 'queues': free name kobject: 'vlan0' (000000006c1d66a7): kobject_uevent_env kobject: 'vlan0' (000000006c1d66a7): fill_kobj_path: path = '/devices/virtual/net/vlan0' netlink: 'syz-executor.5': attribute type 1 has an invalid length. kobject: 'loop2' (000000006607e220): kobject_uevent_env kobject: 'loop2' (000000006607e220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'vlan0' (000000006c1d66a7): kobject_cleanup, parent (null) kobject: 'loop5' (00000000de596ad4): kobject_uevent_env kobject: 'vlan0' (000000006c1d66a7): calling ktype release kobject: 'loop5' (00000000de596ad4): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'vlan0': free name kobject: 'loop3' (00000000a2bea1b6): kobject_uevent_env kobject: 'loop3' (00000000a2bea1b6): fill_kobj_path: path = '/devices/virtual/block/loop3' net_ratelimit: 16 callbacks suppressed 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 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 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1