====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #3 Not tainted ------------------------------------------------------ kobject: 'loop5' (00000000c8729a35): kobject_uevent_env syz-executor2/7964 is trying to acquire lock: 00000000ec3f88f7 (nr_list_lock){+.-.}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] 00000000ec3f88f7 (nr_list_lock){+.-.}, at: nr_remove_socket net/netrom/af_netrom.c:96 [inline] 00000000ec3f88f7 (nr_list_lock){+.-.}, at: nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' but task is already holding lock: 00000000e3171257 (slock-AF_NETROM){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000e3171257 (slock-AF_NETROM){+.-.}, at: nr_destroy_timer+0x32/0x90 net/netrom/af_netrom.c:247 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (slock-AF_NETROM){+.-.}: __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] nr_find_listener net/netrom/af_netrom.c:156 [inline] nr_rx_frame+0x60c/0x1d50 net/netrom/af_netrom.c:955 nr_loopback_timer+0x7b/0x170 net/netrom/nr_loopback.c:62 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 percpu_ref_tryget_live+0x0/0x430 include/linux/cgroup.h:477 get_mem_cgroup_from_current mm/memcontrol.c:890 [inline] memcg_kmem_charge+0x11e/0x340 mm/memcontrol.c:2599 __alloc_pages_nodemask+0x86d/0xdf0 mm/page_alloc.c:4397 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] pte_alloc_one+0x1b/0x1a0 arch/x86/mm/pgtable.c:35 __pte_alloc+0x2a/0x360 mm/memory.c:406 copy_pte_range mm/memory.c:830 [inline] copy_pmd_range mm/memory.c:906 [inline] copy_pud_range mm/memory.c:940 [inline] copy_p4d_range mm/memory.c:962 [inline] copy_page_range+0x176a/0x2600 mm/memory.c:1024 dup_mmap kernel/fork.c:590 [inline] dup_mm kernel/fork.c:1323 [inline] copy_mm kernel/fork.c:1378 [inline] copy_process+0x4291/0x8730 kernel/fork.c:1922 kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' _do_fork+0x1a9/0x1170 kernel/fork.c:2221 __do_sys_clone kernel/fork.c:2328 [inline] __se_sys_clone kernel/fork.c:2322 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2322 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (nr_list_lock){+.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:168 kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env spin_lock_bh include/linux/spinlock.h:334 [inline] nr_remove_socket net/netrom/af_netrom.c:96 [inline] nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 nr_destroy_timer+0x42/0x90 net/netrom/af_netrom.c:249 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 get_current arch/x86/include/asm/current.h:15 [inline] __sanitizer_cov_trace_pc+0x11/0x50 kernel/kcov.c:100 is_bpf_text_address+0x70/0x170 kernel/bpf/core.c:666 kernel_text_address+0x73/0xf0 kernel/extable.c:152 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_frame.c:18 [inline] unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:13 __save_stack_trace+0x8a/0xf0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3392 [inline] kmem_cache_alloc+0x11b/0x700 mm/slab.c:3552 getname_flags fs/namei.c:140 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:129 user_path_at_empty+0x2f/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_lstat include/linux/fs.h:3170 [inline] __do_sys_newlstat+0xa4/0x130 fs/stat.c:352 __se_sys_newlstat fs/stat.c:346 [inline] __x64_sys_newlstat+0x54/0x80 fs/stat.c:346 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: kobject: 'loop4' (0000000039626e39): kobject_uevent_env Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(slock-AF_NETROM); lock(nr_list_lock); lock(slock-AF_NETROM); lock(nr_list_lock); *** DEADLOCK *** 3 locks held by syz-executor2/7964: #0: 00000000be08654b (rcu_read_lock){....}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:652 #1: 000000006a2e6bbf ((&sk->sk_timer)#2){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:171 [inline] #1: 000000006a2e6bbf ((&sk->sk_timer)#2){+.-.}, at: call_timer_fn+0x1b4/0x900 kernel/time/timer.c:1315 #2: 00000000e3171257 (slock-AF_NETROM){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] #2: 00000000e3171257 (slock-AF_NETROM){+.-.}, at: nr_destroy_timer+0x32/0x90 net/netrom/af_netrom.c:247 kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' stack backtrace: CPU: 1 PID: 7964 Comm: syz-executor2 Not tainted 4.20.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 kobject: 'loop5' (00000000c8729a35): kobject_uevent_env print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 kobject: 'loop4' (0000000039626e39): kobject_uevent_env __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:168 kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env spin_lock_bh include/linux/spinlock.h:334 [inline] nr_remove_socket net/netrom/af_netrom.c:96 [inline] nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' nr_destroy_timer+0x42/0x90 net/netrom/af_netrom.c:249 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x50 kernel/kcov.c:101 Code: 85 68 fe ff ff e9 85 df ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 a8 47 80 7e 81 e2 00 01 1f 00 75 2b 8b 90 d8 12 00 00 83 RSP: 0018:ffff8880938e77b0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: ffff88808c2ae180 RBX: 0000000000000001 RCX: ffffffff818e58c3 RDX: 0000000000000001 RSI: ffffffff818e5800 RDI: 0000000000000001 RBP: ffff8880938e77b0 R08: ffff88808c2ae180 R09: ffffed1015ce5b90 R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: 0000000000000000 R13: 0000000000000000 R14: ffff88808c2ae180 R15: ffff88812c2bec40 is_bpf_text_address+0x70/0x170 kernel/bpf/core.c:666 kernel_text_address+0x73/0xf0 kernel/extable.c:152 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_frame.c:18 [inline] unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:13 __save_stack_trace+0x8a/0xf0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3392 [inline] kmem_cache_alloc+0x11b/0x700 mm/slab.c:3552 getname_flags fs/namei.c:140 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:129 user_path_at_empty+0x2f/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_lstat include/linux/fs.h:3170 [inline] __do_sys_newlstat+0xa4/0x130 fs/stat.c:352 __se_sys_newlstat fs/stat.c:346 [inline] __x64_sys_newlstat+0x54/0x80 fs/stat.c:346 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457285 Code: d4 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 c7 c2 d4 ff ff ff f7 d8 64 89 RSP: 002b:00007fff9f71bef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000457285 RDX: 00007fff9f71bf10 RSI: 00007fff9f71bf10 RDI: 00007fff9f71bfa0 RBP: 000000000000012b R08: 0000000000000000 R09: 000000000000000b R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff9f71d030 R13: 0000000000c7c940 R14: 0000000000000000 R15: 0000000000000002 kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env audit: type=1804 audit(1546684977.578:45): pid=10689 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor1" name="/root/syzkaller-testdir388288556/syzkaller.9sclbp/83/memory.events" dev="sda1" ino=16826 res=1 kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1546684977.578:46): pid=10691 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir388288556/syzkaller.9sclbp/83/memory.events" dev="sda1" ino=16826 res=1 kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000264fdd57): kobject_uevent_env kobject: 'loop2' (00000000264fdd57): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000012a58e2b): kobject_uevent_env kobject: 'loop3' (0000000012a58e2b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000021ee89b8): kobject_uevent_env kobject: 'loop1' (0000000021ee89b8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c8729a35): kobject_uevent_env kobject: 'loop5' (00000000c8729a35): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec9ca640): kobject_uevent_env kobject: 'loop0' (00000000ec9ca640): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000039626e39): kobject_uevent_env kobject: 'loop4' (0000000039626e39): fill_kobj_path: path = '/devices/virtual/block/loop4'