===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.19.76 #0 Not tainted ----------------------------------------------------- syz-executor.1/30133 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 00000000f6a4500b (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000f6a4500b (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline] 00000000f6a4500b (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline] 00000000f6a4500b (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 and this task is already holding: 00000000f2b673f8 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000f2b673f8 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] 00000000f2b673f8 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] 00000000f2b673f8 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&fiq->waitq){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __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 get_current arch/x86/include/asm/current.h:15 [inline] write_comp_data+0x9/0x70 kernel/kcov.c:121 kobject: 'loop5' (00000000fc551d16): kobject_uevent_env __phys_addr+0x9a/0x120 arch/x86/mm/physaddr.c:27 virt_to_head_page include/linux/mm.h:658 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xc7/0x150 mm/kasan/quarantine.c:163 quarantine_reduce+0x169/0x1a0 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa0/0xf0 mm/kasan/kasan.c:538 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3703 kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:137 __alloc_skb+0x10b/0x5f0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] alloc_skb_with_frags+0x93/0x590 net/core/skbuff.c:5303 sock_alloc_send_pskb+0x72d/0x8a0 net/core/sock.c:2080 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2097 __ip_append_data.isra.0+0x139f/0x25e0 net/ipv4/ip_output.c:982 ip_make_skb+0x249/0x2c0 net/ipv4/ip_output.c:1508 udp_sendmsg+0x1db7/0x25e0 net/ipv4/udp.c:1124 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 kobject: 'loop3' (00000000805982a9): kobject_uevent_env ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe to a SOFTIRQ-irq-unsafe lock: (&fiq->waitq){+.+.} ... which became SOFTIRQ-irq-unsafe at: kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' ... lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __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 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 kobject: 'loop4' (00000000b65242b3): kobject_uevent_env do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 kobject: 'loop5' (00000000fc551d16): kobject_uevent_env do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' 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.1/30133: #0: kobject: 'loop3' (00000000805982a9): kobject_uevent_env 00000000f2b673f8 kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] (&(&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: kobject: 'loop5' (00000000fc551d16): kobject_uevent_env -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 39 { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 kobject: 'loop4' (00000000b65242b3): kobject_uevent_env __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 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 get_current arch/x86/include/asm/current.h:15 [inline] write_comp_data+0x9/0x70 kernel/kcov.c:121 __phys_addr+0x9a/0x120 arch/x86/mm/physaddr.c:27 virt_to_head_page include/linux/mm.h:658 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xc7/0x150 mm/kasan/quarantine.c:163 quarantine_reduce+0x169/0x1a0 mm/kasan/quarantine.c:259 kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kasan_kmalloc+0xa0/0xf0 mm/kasan/kasan.c:538 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3703 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:137 kobject: 'loop3' (00000000805982a9): kobject_uevent_env __alloc_skb+0x10b/0x5f0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] alloc_skb_with_frags+0x93/0x590 net/core/skbuff.c:5303 sock_alloc_send_pskb+0x72d/0x8a0 net/core/sock.c:2080 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2097 __ip_append_data.isra.0+0x139f/0x25e0 net/ipv4/ip_output.c:982 ip_make_skb+0x249/0x2c0 net/ipv4/ip_output.c:1508 udp_sendmsg+0x1db7/0x25e0 net/ipv4/udp.c:1124 kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 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:3903 __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 get_current arch/x86/include/asm/current.h:15 [inline] write_comp_data+0x9/0x70 kernel/kcov.c:121 __phys_addr+0x9a/0x120 arch/x86/mm/physaddr.c:27 virt_to_head_page include/linux/mm.h:658 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xc7/0x150 mm/kasan/quarantine.c:163 quarantine_reduce+0x169/0x1a0 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa0/0xf0 mm/kasan/kasan.c:538 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3703 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:137 __alloc_skb+0x10b/0x5f0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] alloc_skb_with_frags+0x93/0x590 net/core/skbuff.c:5303 sock_alloc_send_pskb+0x72d/0x8a0 net/core/sock.c:2080 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2097 __ip_append_data.isra.0+0x139f/0x25e0 net/ipv4/ip_output.c:982 ip_make_skb+0x249/0x2c0 net/ipv4/ip_output.c:1508 udp_sendmsg+0x1db7/0x25e0 net/ipv4/udp.c:1124 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 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:3903 __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: 58 { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __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 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 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:3903 __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 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 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:3903 __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 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 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:3903 __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: 30133 Comm: syz-executor.1 Not tainted 4.19.76 #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:3903 __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: 0033:0x459a59 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:00007ffbf7686c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59 RDX: 0000000020002600 RSI: 0000000000000002 RDI: 00007ffbf7666000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffbf76876d4 R13: 00000000004c0e92 R14: 00000000004d4350 R15: 00000000ffffffff kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fc551d16): kobject_uevent_env kobject: 'loop5' (00000000fc551d16): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000b65242b3): kobject_uevent_env kobject: 'loop4' (00000000b65242b3): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000805982a9): kobject_uevent_env kobject: 'loop3' (00000000805982a9): fill_kobj_path: path = '/devices/virtual/block/loop3'