======================================================== WARNING: possible irq lock inversion dependency detected 5.0.0-rc6+ #70 Not tainted -------------------------------------------------------- modprobe/8111 just changed the state of lock: 00000000050694fa (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000050694fa (&(&ctx->ctx_lock)->rlock){..-.}, at: free_ioctx_users+0x2d/0x4a0 fs/aio.c:610 but this lock took another, SOFTIRQ-unsafe lock in the past: (&fiq->waitq){+.+.} and interrupts could create inverse lock ordering between them. 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 *** 4 locks held by modprobe/8111: #0: 00000000d7d5eccb (&type->i_mutex_dir_key#4){++++}, at: inode_lock_shared include/linux/fs.h:767 [inline] #0: 00000000d7d5eccb (&type->i_mutex_dir_key#4){++++}, at: lookup_slow+0x4a/0x80 fs/namei.c:1687 #1: 000000007f282a84 (rcu_read_lock){....}, at: rcu_read_lock+0x0/0x70 arch/x86/include/asm/paravirt.h:766 #2: 0000000085df0f48 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:228 [inline] #2: 0000000085df0f48 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2452 [inline] #2: 0000000085df0f48 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] #2: 0000000085df0f48 (rcu_callback){....}, at: rcu_process_callbacks+0xa0d/0x1390 kernel/rcu/tree.c:2754 #3: 0000000058c11a89 (rcu_read_lock_sched){....}, at: percpu_ref_call_confirm_rcu lib/percpu-refcount.c:119 [inline] #3: 0000000058c11a89 (rcu_read_lock_sched){....}, at: percpu_ref_switch_to_atomic_rcu+0x1b8/0x520 lib/percpu-refcount.c:158 the shortest dependencies between 2nd lock and 1st lock: -> (&fiq->waitq){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3c0 fs/fuse/dev.c:413 fuse_request_queue_background+0x2d1/0x580 fs/fuse/dev.c:652 fuse_request_send_background+0x58/0x120 fs/fuse/dev.c:663 fuse_send_init fs/fuse/inode.c:985 [inline] fuse_fill_super+0x13bf/0x1730 fs/fuse/inode.c:1210 mount_nodev+0x68/0x110 fs/super.c:1205 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1235 mount_fs+0x106/0x3ff fs/super.c:1258 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:959 vfs_kern_mount fs/namespace.c:949 [inline] do_new_mount fs/namespace.c:2513 [inline] do_mount+0x581/0x2d30 fs/namespace.c:2847 ksys_mount+0xdb/0x150 fs/namespace.c:3063 __do_sys_mount fs/namespace.c:3077 [inline] __se_sys_mount fs/namespace.c:3074 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3c0 fs/fuse/dev.c:413 fuse_request_queue_background+0x2d1/0x580 fs/fuse/dev.c:652 fuse_request_send_background+0x58/0x120 fs/fuse/dev.c:663 fuse_send_init fs/fuse/inode.c:985 [inline] fuse_fill_super+0x13bf/0x1730 fs/fuse/inode.c:1210 mount_nodev+0x68/0x110 fs/super.c:1205 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1235 mount_fs+0x106/0x3ff fs/super.c:1258 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:959 vfs_kern_mount fs/namespace.c:949 [inline] do_new_mount fs/namespace.c:2513 [inline] do_mount+0x581/0x2d30 fs/namespace.c:2847 ksys_mount+0xdb/0x150 fs/namespace.c:3063 __do_sys_mount fs/namespace.c:3077 [inline] __se_sys_mount fs/namespace.c:3074 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3c0 fs/fuse/dev.c:413 fuse_request_queue_background+0x2d1/0x580 fs/fuse/dev.c:652 fuse_request_send_background+0x58/0x120 fs/fuse/dev.c:663 fuse_send_init fs/fuse/inode.c:985 [inline] fuse_fill_super+0x13bf/0x1730 fs/fuse/inode.c:1210 mount_nodev+0x68/0x110 fs/super.c:1205 fuse_mount+0x2d/0x40 fs/fuse/inode.c:1235 mount_fs+0x106/0x3ff fs/super.c:1258 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:959 vfs_kern_mount fs/namespace.c:949 [inline] do_new_mount fs/namespace.c:2513 [inline] do_mount+0x581/0x2d30 fs/namespace.c:2847 ksys_mount+0xdb/0x150 fs/namespace.c:3063 __do_sys_mount fs/namespace.c:3077 [inline] __se_sys_mount fs/namespace.c:3074 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.43075+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:1773 [inline] __io_submit_one fs/aio.c:1876 [inline] io_submit_one+0xedf/0x1cf0 fs/aio.c:1909 __do_sys_io_submit fs/aio.c:1954 [inline] __se_sys_io_submit fs/aio.c:1924 [inline] __x64_sys_io_submit+0x1bd/0x580 fs/aio.c:1924 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&(&ctx->ctx_lock)->rlock){..-.} { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x4a0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x3e7/0x520 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0x928/0x1390 kernel/rcu/tree.c:2754 __do_softirq+0x266/0x95a kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 debug_lockdep_rcu_enabled.part.0+0x2a/0x60 kernel/rcu/update.c:249 debug_lockdep_rcu_enabled+0x71/0xa0 kernel/rcu/update.c:248 rcu_read_lock+0x2e/0x70 include/linux/rcupdate.h:608 get_mem_cgroup_from_mm+0x1e/0x2b0 mm/memcontrol.c:834 get_mem_cgroup_from_current mm/memcontrol.c:890 [inline] memcg_kmem_get_cache+0x146/0x5f0 mm/memcontrol.c:2538 slab_pre_alloc_hook mm/slab.h:428 [inline] slab_alloc mm/slab.c:3367 [inline] kmem_cache_alloc+0x194/0x710 mm/slab.c:3541 __d_alloc+0x2e/0x8c0 fs/dcache.c:1622 d_alloc+0x4d/0x2b0 fs/dcache.c:1701 d_alloc_parallel+0xf4/0x1bc0 fs/dcache.c:2449 __lookup_slow+0x1ab/0x500 fs/namei.c:1654 lookup_slow+0x58/0x80 fs/namei.c:1688 walk_component+0x74b/0x2000 fs/namei.c:1810 lookup_last fs/namei.c:2273 [inline] path_lookupat.isra.0+0x1f5/0x8d0 fs/namei.c:2318 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:3171 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:339 __se_sys_newstat fs/stat.c:335 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:335 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] aio_poll fs/aio.c:1772 [inline] __io_submit_one fs/aio.c:1876 [inline] io_submit_one+0xeb6/0x1cf0 fs/aio.c:1909 __do_sys_io_submit fs/aio.c:1954 [inline] __se_sys_io_submit fs/aio.c:1924 [inline] __x64_sys_io_submit+0x1bd/0x580 fs/aio.c:1924 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.51970+0x0/0x40 ... acquired at: mark_lock_irq kernel/locking/lockdep.c:2690 [inline] mark_lock+0x427/0x1380 kernel/locking/lockdep.c:3062 mark_irqflags kernel/locking/lockdep.c:2940 [inline] __lock_acquire+0x128f/0x4700 kernel/locking/lockdep.c:3295 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x4a0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x3e7/0x520 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0x928/0x1390 kernel/rcu/tree.c:2754 __do_softirq+0x266/0x95a kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 debug_lockdep_rcu_enabled.part.0+0x2a/0x60 kernel/rcu/update.c:249 debug_lockdep_rcu_enabled+0x71/0xa0 kernel/rcu/update.c:248 rcu_read_lock+0x2e/0x70 include/linux/rcupdate.h:608 get_mem_cgroup_from_mm+0x1e/0x2b0 mm/memcontrol.c:834 get_mem_cgroup_from_current mm/memcontrol.c:890 [inline] memcg_kmem_get_cache+0x146/0x5f0 mm/memcontrol.c:2538 slab_pre_alloc_hook mm/slab.h:428 [inline] slab_alloc mm/slab.c:3367 [inline] kmem_cache_alloc+0x194/0x710 mm/slab.c:3541 __d_alloc+0x2e/0x8c0 fs/dcache.c:1622 d_alloc+0x4d/0x2b0 fs/dcache.c:1701 d_alloc_parallel+0xf4/0x1bc0 fs/dcache.c:2449 __lookup_slow+0x1ab/0x500 fs/namei.c:1654 lookup_slow+0x58/0x80 fs/namei.c:1688 walk_component+0x74b/0x2000 fs/namei.c:1810 lookup_last fs/namei.c:2273 [inline] path_lookupat.isra.0+0x1f5/0x8d0 fs/namei.c:2318 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:3171 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:339 __se_sys_newstat fs/stat.c:335 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:335 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 8111 Comm: modprobe Not tainted 5.0.0-rc6+ #70 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_irq_inversion_bug.part.0+0x2c0/0x2cd kernel/locking/lockdep.c:2556 print_irq_inversion_bug kernel/locking/lockdep.c:2559 [inline] check_usage_forwards.cold+0x20/0x29 kernel/locking/lockdep.c:2581 mark_lock_irq kernel/locking/lockdep.c:2690 [inline] mark_lock+0x427/0x1380 kernel/locking/lockdep.c:3062 mark_irqflags kernel/locking/lockdep.c:2940 [inline] __lock_acquire+0x128f/0x4700 kernel/locking/lockdep.c:3295 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x4a0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x3e7/0x520 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0x928/0x1390 kernel/rcu/tree.c:2754 __do_softirq+0x266/0x95a kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.0+0x2a/0x60 kernel/rcu/update.c:249 Code: 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b 93 7c 08 00 RSP: 0018:ffff88809b5273d8 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff888098cb2480 RCX: 1ffffffff12b951f RDX: 0000000000000000 RSI: ffff888098cb2d28 RDI: ffff888098cb2cfc RBP: ffff88809b5273e0 R08: 0000000000000001 R09: ffff888098cb2d48 R10: ffff888098cb2d28 R11: 0000000000000001 R12: ffff888098cb2480 R13: 00000000006000c0 R14: ffff8880aa53d180 R15: 0000000000200000 debug_lockdep_rcu_enabled+0x71/0xa0 kernel/rcu/update.c:248 rcu_read_lock+0x2e/0x70 include/linux/rcupdate.h:608 get_mem_cgroup_from_mm+0x1e/0x2b0 mm/memcontrol.c:834 get_mem_cgroup_from_current mm/memcontrol.c:890 [inline] memcg_kmem_get_cache+0x146/0x5f0 mm/memcontrol.c:2538 slab_pre_alloc_hook mm/slab.h:428 [inline] slab_alloc mm/slab.c:3367 [inline] kmem_cache_alloc+0x194/0x710 mm/slab.c:3541 __d_alloc+0x2e/0x8c0 fs/dcache.c:1622 d_alloc+0x4d/0x2b0 fs/dcache.c:1701 d_alloc_parallel+0xf4/0x1bc0 fs/dcache.c:2449 __lookup_slow+0x1ab/0x500 fs/namei.c:1654 lookup_slow+0x58/0x80 fs/namei.c:1688 walk_component+0x74b/0x2000 fs/namei.c:1810 lookup_last fs/namei.c:2273 [inline] path_lookupat.isra.0+0x1f5/0x8d0 fs/namei.c:2318 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:3171 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:339 __se_sys_newstat fs/stat.c:335 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:335 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f14a4dbbc65 Code: 00 00 00 e8 5d 01 00 00 48 83 c4 18 c3 90 90 90 90 90 90 90 90 83 ff 01 48 89 f0 77 18 48 89 c7 48 89 d6 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 17 f3 c3 90 48 8b 05 a1 51 2b 00 64 c7 00 16 RSP: 002b:00007ffd07528928 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007f14a5087481 RCX: 00007f14a4dbbc65 RDX: 00007ffd07528a20 RSI: 00007ffd07528a20 RDI: 00007f14a5087481 RBP: 00007f14a528c2f0 R08: 00007f14a5072ef8 R09: 00007f14a4e0f070 R10: 0000000000000000 R11: 0000000000000246 R12: 000055791fba3160 R13: 00007ffd07528b53 R14: 0000000000000010 R15: 00055facc785c680 kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' binder: 8120:8121 unknown command 384 kobject: 'loop3' (00000000af616566): kobject_uevent_env binder: 8120:8121 ioctl c0306201 20000000 returned -22 binder: 8120:8121 unknown command 16 kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 8120:8121 ioctl c0306201 20000140 returned -22 binder_alloc: binder_alloc_mmap_handler: 8120 20001000-20004000 already mapped failed -16 kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env binder: BINDER_SET_CONTEXT_MGR already set binder: 8120:8121 ioctl 40046207 0 returned -16 binder: 8120:8124 unknown command 384 kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' binder: 8120:8124 ioctl c0306201 20000000 returned -22 binder: 8120:8124 unknown command 16 kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env binder: 8120:8124 ioctl c0306201 20000140 returned -22 kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 2 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env netlink: 2 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop4' (00000000ae044d72): kobject_uevent_env netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000af616566): kobject_uevent_env netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 3 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env netlink: 'syz-executor.5': attribute type 5 has an invalid length. kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ae044d72): kobject_uevent_env kobject: 'loop4' (00000000ae044d72): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000d8da22d2): kobject_uevent_env kobject: 'loop1' (00000000d8da22d2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000c779c95d): kobject_uevent_env kobject: 'loop0' (00000000c779c95d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000001df5c9bf): kobject_uevent_env kobject: 'loop5' (000000001df5c9bf): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000af616566): kobject_uevent_env kobject: 'loop3' (00000000af616566): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000015e2162a): kobject_uevent_env kobject: 'loop2' (0000000015e2162a): fill_kobj_path: path = '/devices/virtual/block/loop2'