=====================================================
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
4.19.75 #0 Not tainted
-----------------------------------------------------
syz-executor.1/11968 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
0000000010980bc1 (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline]
0000000010980bc1 (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline]
0000000010980bc1 (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline]
0000000010980bc1 (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env

and this task is already holding:
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline]
00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline]
00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline]
00000000cbb14b35 (&(&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:
kobject: 'loop3' (0000000055e579e8): kobject_uevent_env
 (&(&ctx->ctx_lock)->rlock){..-.}

... which became SOFTIRQ-irq-safe at:
  lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
  __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
  _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
  spin_lock_irq include/linux/spinlock.h:354 [inline]
  free_ioctx_users+0x2d/0x490 fs/aio.c:614
  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: 'loop3' (0000000055e579e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
  __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
  update_stack_state+0x0/0x5f0 include/linux/compiler.h:212
  unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287
  __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44
  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
  kmem_cache_alloc_trace+0x152/0x760 mm/slab.c:3625
  kmalloc include/linux/slab.h:515 [inline]
  addr_event.isra.0.part.0+0x7b/0x460 drivers/infiniband/core/roce_gid_mgmt.c:835
  addr_event drivers/infiniband/core/roce_gid_mgmt.c:819 [inline]
  inet6addr_event+0x147/0x1c0 drivers/infiniband/core/roce_gid_mgmt.c:878
  notifier_call_chain+0xc2/0x230 kernel/notifier.c:93
  __atomic_notifier_call_chain+0xa6/0x1a0 kernel/notifier.c:183
  atomic_notifier_call_chain+0x2e/0x40 kernel/notifier.c:193
  inet6addr_notifier_call_chain+0x25/0x30 net/ipv6/addrconf_core.c:107
  ipv6_add_addr+0x15d2/0x1c30 net/ipv6/addrconf.c:1099
  inet6_addr_add+0x41a/0x970 net/ipv6/addrconf.c:2897
  inet6_rtm_newaddr+0xb32/0x1450 net/ipv6/addrconf.c:4734
  rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:4747
  netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
  rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4765
  netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
  netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343
  netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
  sock_sendmsg_nosec net/socket.c:622 [inline]
  sock_sendmsg+0xd7/0x130 net/socket.c:632
  __sys_sendto+0x262/0x380 net/socket.c:1787
  __do_sys_sendto net/socket.c:1799 [inline]
  __se_sys_sendto net/socket.c:1795 [inline]
  __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795
  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:
...
  lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
  __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
  _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
  spin_lock include/linux/spinlock.h:329 [inline]
  flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
  fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
  fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
  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

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);
  <Interrupt>
    lock(&(&ctx->ctx_lock)->rlock);

 *** DEADLOCK ***

1 lock held by syz-executor.1/11968:
 #0: 00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline]
 #0: 00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline]
 #0: 00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline]
 #0: 00000000cbb14b35 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885

the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
-> (&(&ctx->ctx_lock)->rlock){..-.} ops: 436 {
   IN-SOFTIRQ-W at:
                    lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
                    __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
                    _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
                    spin_lock_irq include/linux/spinlock.h:354 [inline]
                    free_ioctx_users+0x2d/0x490 fs/aio.c:614
                    percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
                    percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
                    percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
                    percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
                    __rcu_reclaim kernel/rcu/rcu.h:236 [inline]
                    rcu_do_batch kernel/rcu/tree.c:2584 [inline]
                    invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
                    __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
                    rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
                    __do_softirq+0x25c/0x921 kernel/softirq.c:292
                    invoke_softirq kernel/softirq.c:372 [inline]
                    irq_exit+0x180/0x1d0 kernel/softirq.c:412
                    exiting_irq arch/x86/include/asm/apic.h:536 [inline]
                    smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
                    apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
                    update_stack_state+0x0/0x5f0 include/linux/compiler.h:212
                    unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287
                    __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44
                    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
                    kmem_cache_alloc_trace+0x152/0x760 mm/slab.c:3625
                    kmalloc include/linux/slab.h:515 [inline]
                    addr_event.isra.0.part.0+0x7b/0x460 drivers/infiniband/core/roce_gid_mgmt.c:835
                    addr_event drivers/infiniband/core/roce_gid_mgmt.c:819 [inline]
                    inet6addr_event+0x147/0x1c0 drivers/infiniband/core/roce_gid_mgmt.c:878
                    notifier_call_chain+0xc2/0x230 kernel/notifier.c:93
                    __atomic_notifier_call_chain+0xa6/0x1a0 kernel/notifier.c:183
                    atomic_notifier_call_chain+0x2e/0x40 kernel/notifier.c:193
                    inet6addr_notifier_call_chain+0x25/0x30 net/ipv6/addrconf_core.c:107
                    ipv6_add_addr+0x15d2/0x1c30 net/ipv6/addrconf.c:1099
                    inet6_addr_add+0x41a/0x970 net/ipv6/addrconf.c:2897
                    inet6_rtm_newaddr+0xb32/0x1450 net/ipv6/addrconf.c:4734
                    rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:4747
                    netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
                    rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4765
                    netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
                    netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343
                    netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
                    sock_sendmsg_nosec net/socket.c:622 [inline]
                    sock_sendmsg+0xd7/0x130 net/socket.c:632
                    __sys_sendto+0x262/0x380 net/socket.c:1787
                    __do_sys_sendto net/socket.c:1799 [inline]
                    __se_sys_sendto net/socket.c:1795 [inline]
                    __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795
                    do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
                    entry_SYSCALL_64_after_hwframe+0x49/0xbe
   INITIAL USE at:
                   lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
                   __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
                   _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
                   spin_lock_irq include/linux/spinlock.h:354 [inline]
                   free_ioctx_users+0x2d/0x490 fs/aio.c:614
                   percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
                   percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
                   percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
                   percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
                   __rcu_reclaim kernel/rcu/rcu.h:236 [inline]
                   rcu_do_batch kernel/rcu/tree.c:2584 [inline]
                   invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
                   __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
                   rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
                   __do_softirq+0x25c/0x921 kernel/softirq.c:292
                   invoke_softirq kernel/softirq.c:372 [inline]
                   irq_exit+0x180/0x1d0 kernel/softirq.c:412
                   exiting_irq arch/x86/include/asm/apic.h:536 [inline]
                   smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
                   apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
                   update_stack_state+0x0/0x5f0 include/linux/compiler.h:212
                   unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287
                   __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44
                   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
                   kmem_cache_alloc_trace+0x152/0x760 mm/slab.c:3625
                   kmalloc include/linux/slab.h:515 [inline]
                   addr_event.isra.0.part.0+0x7b/0x460 drivers/infiniband/core/roce_gid_mgmt.c:835
                   addr_event drivers/infiniband/core/roce_gid_mgmt.c:819 [inline]
                   inet6addr_event+0x147/0x1c0 drivers/infiniband/core/roce_gid_mgmt.c:878
                   notifier_call_chain+0xc2/0x230 kernel/notifier.c:93
                   __atomic_notifier_call_chain+0xa6/0x1a0 kernel/notifier.c:183
                   atomic_notifier_call_chain+0x2e/0x40 kernel/notifier.c:193
                   inet6addr_notifier_call_chain+0x25/0x30 net/ipv6/addrconf_core.c:107
                   ipv6_add_addr+0x15d2/0x1c30 net/ipv6/addrconf.c:1099
                   inet6_addr_add+0x41a/0x970 net/ipv6/addrconf.c:2897
                   inet6_rtm_newaddr+0xb32/0x1450 net/ipv6/addrconf.c:4734
                   rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:4747
                   netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
                   rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4765
                   netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
                   netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343
                   netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
                   sock_sendmsg_nosec net/socket.c:622 [inline]
                   sock_sendmsg+0xd7/0x130 net/socket.c:632
                   __sys_sendto+0x262/0x380 net/socket.c:1787
                   __do_sys_sendto net/socket.c:1799 [inline]
                   __se_sys_sendto net/socket.c:1795 [inline]
                   __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795
                   do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
                   entry_SYSCALL_64_after_hwframe+0x49/0xbe
 }
 ... key      at: [<ffffffff8a3a13e0>] __key.50217+0x0/0x40
 ... acquired at:
   lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
   __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
   _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
   spin_lock include/linux/spinlock.h:329 [inline]
   aio_poll fs/aio.c:1741 [inline]
   __io_submit_one fs/aio.c:1849 [inline]
   io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
   __do_sys_io_submit fs/aio.c:1929 [inline]
   __se_sys_io_submit fs/aio.c:1900 [inline]
   __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
   do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
   entry_SYSCALL_64_after_hwframe+0x49/0xbe


the dependencies between the lock to be acquired
 and SOFTIRQ-irq-unsafe lock:
-> (&fiq->waitq){+.+.} ops: 3489 {
   HARDIRQ-ON-W at:
                    lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
                    __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
                    _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
                    spin_lock include/linux/spinlock.h:329 [inline]
                    flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
                    fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
                    fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
                    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:3900
                    __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
                    _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
                    spin_lock include/linux/spinlock.h:329 [inline]
                    flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
                    fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
                    fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
                    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:3900
                   __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
                   _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
                   spin_lock include/linux/spinlock.h:329 [inline]
                   flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368
                   fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609
                   fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617
                   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: [<ffffffff8a43ae80>] __key.42217+0x0/0x40
 ... acquired at:
   lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
   __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
   _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
   spin_lock include/linux/spinlock.h:329 [inline]
   aio_poll fs/aio.c:1741 [inline]
   __io_submit_one fs/aio.c:1849 [inline]
   io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
   __do_sys_io_submit fs/aio.c:1929 [inline]
   __se_sys_io_submit fs/aio.c:1900 [inline]
   __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
   do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
   entry_SYSCALL_64_after_hwframe+0x49/0xbe


stack backtrace:
CPU: 0 PID: 11968 Comm: syz-executor.1 Not tainted 4.19.75 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 print_bad_irq_dependency kernel/locking/lockdep.c:1568 [inline]
 check_usage.cold+0x611/0x946 kernel/locking/lockdep.c:1600
 check_irq_usage kernel/locking/lockdep.c:1656 [inline]
 check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline]
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1974 [inline]
 validate_chain kernel/locking/lockdep.c:2415 [inline]
 __lock_acquire+0x1e8c/0x49c0 kernel/locking/lockdep.c:3411
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:329 [inline]
 aio_poll fs/aio.c:1741 [inline]
 __io_submit_one fs/aio.c:1849 [inline]
 io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
 __do_sys_io_submit fs/aio.c:1929 [inline]
 __se_sys_io_submit fs/aio.c:1900 [inline]
 __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
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:00007fb1addaac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
kobject: 'loop4' (00000000971f9a11): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29
RDX: 0000000020000440 RSI: 0000000000000001 RDI: 00007fb1add8a000
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1addab6d4
kobject: 'loop4' (00000000971f9a11): fill_kobj_path: path = '/devices/virtual/block/loop4'
R13: 00000000004c0e25 R14: 00000000004d4030 R15: 00000000ffffffff
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (00000000971f9a11): kobject_uevent_env
kobject: 'loop4' (00000000971f9a11): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000055e579e8): kobject_uevent_env
kobject: 'loop3' (0000000055e579e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (00000000971f9a11): kobject_uevent_env
kobject: 'loop4' (00000000971f9a11): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (00000000971f9a11): kobject_uevent_env
kobject: 'loop4' (00000000971f9a11): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000055e579e8): kobject_uevent_env
kobject: 'loop3' (0000000055e579e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000055e579e8): kobject_uevent_env
kobject: 'loop3' (0000000055e579e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (00000000971f9a11): kobject_uevent_env
kobject: 'loop4' (00000000971f9a11): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000055e579e8): kobject_uevent_env
kobject: 'loop3' (0000000055e579e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000055e579e8): kobject_uevent_env
kobject: 'loop3' (0000000055e579e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
audit: type=1400 audit(1569850536.672:63): avc:  denied  { map_read map_write } for  pid=12278 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000f9151dfb): kobject_uevent_env
kobject: 'loop2' (00000000f9151dfb): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000dc340ac2): kobject_uevent_env
kobject: 'loop1' (00000000dc340ac2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (00000000d4ed8e50): kobject_uevent_env
kobject: 'loop0' (00000000d4ed8e50): fill_kobj_path: path = '/devices/virtual/block/loop0'