====================================================== WARNING: possible circular locking dependency detected 4.14.111 #1 Not tainted ------------------------------------------------------ syz-executor.5/32668 is trying to acquire lock: (&bdev->bd_mutex){+.+.}, at: [] blkdev_reread_part+0x1f/0x40 block/ioctl.c:192 but task is already holding lock: (&nbd->config_lock){+.+.}, at: [] nbd_ioctl+0x134/0xae0 drivers/block/nbd.c:1289 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&nbd->config_lock){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 nbd_open+0xf2/0x1f0 drivers/block/nbd.c:1337 __blkdev_get+0x2c9/0x1120 fs/block_dev.c:1472 blkdev_get+0xa8/0x8e0 fs/block_dev.c:1612 blkdev_open+0x1d1/0x260 fs/block_dev.c:1770 do_dentry_open+0x73e/0xeb0 fs/open.c:758 vfs_open+0x105/0x230 fs/open.c:872 do_last fs/namei.c:3425 [inline] path_openat+0x8bd/0x3f70 fs/namei.c:3566 do_filp_open+0x18e/0x250 fs/namei.c:3600 do_sys_open+0x2c5/0x430 fs/open.c:1065 SYSC_open fs/open.c:1083 [inline] SyS_open+0x2d/0x40 fs/open.c:1078 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (nbd_index_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 nbd_open+0x27/0x1f0 drivers/block/nbd.c:1324 __blkdev_get+0x2c9/0x1120 fs/block_dev.c:1472 blkdev_get+0xa8/0x8e0 fs/block_dev.c:1612 blkdev_open+0x1d1/0x260 fs/block_dev.c:1770 do_dentry_open+0x73e/0xeb0 fs/open.c:758 vfs_open+0x105/0x230 fs/open.c:872 do_last fs/namei.c:3425 [inline] path_openat+0x8bd/0x3f70 fs/namei.c:3566 do_filp_open+0x18e/0x250 fs/namei.c:3600 do_sys_open+0x2c5/0x430 fs/open.c:1065 SYSC_open fs/open.c:1083 [inline] SyS_open+0x2d/0x40 fs/open.c:1078 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&bdev->bd_mutex){+.+.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 blkdev_reread_part+0x1f/0x40 block/ioctl.c:192 nbd_bdev_reset drivers/block/nbd.c:1031 [inline] nbd_clear_sock_ioctl drivers/block/nbd.c:1211 [inline] __nbd_ioctl drivers/block/nbd.c:1227 [inline] nbd_ioctl+0x807/0xae0 drivers/block/nbd.c:1296 __blkdev_driver_ioctl block/ioctl.c:297 [inline] blkdev_ioctl+0x983/0x1880 block/ioctl.c:594 block_ioctl+0xde/0x120 fs/block_dev.c:1881 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &bdev->bd_mutex --> nbd_index_mutex --> &nbd->config_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&nbd->config_lock); lock(nbd_index_mutex); lock(&nbd->config_lock); lock(&bdev->bd_mutex); *** DEADLOCK *** 1 lock held by syz-executor.5/32668: #0: (&nbd->config_lock){+.+.}, at: [] nbd_ioctl+0x134/0xae0 drivers/block/nbd.c:1289 stack backtrace: CPU: 0 PID: 32668 Comm: syz-executor.5 Not tainted 4.14.111 #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 blkdev_reread_part+0x1f/0x40 block/ioctl.c:192 nbd_bdev_reset drivers/block/nbd.c:1031 [inline] nbd_clear_sock_ioctl drivers/block/nbd.c:1211 [inline] __nbd_ioctl drivers/block/nbd.c:1227 [inline] nbd_ioctl+0x807/0xae0 drivers/block/nbd.c:1296 __blkdev_driver_ioctl block/ioctl.c:297 [inline] blkdev_ioctl+0x983/0x1880 block/ioctl.c:594 block_ioctl+0xde/0x120 fs/block_dev.c:1881 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4582f9 RSP: 002b:00007f6e7c6b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00000000004582f9 RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6e7c6b36d4 R13: 00000000004c1645 R14: 00000000004d3978 R15: 00000000ffffffff kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env net_ratelimit: 3 callbacks suppressed Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' Dead loop on virtual device ip6_vti0, fix it urgently! kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop2' (ffff8880a4a31220): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env overlayfs: failed to resolve './file1': -2 kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' ntfs: (device loop0): ntfs_fill_super(): Unable to determine device size. kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae8260): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae8260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ae3320): kobject_uevent_env kobject: 'loop4' (ffff8880a4ae3320): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a4b2a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a4b2a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49c8920): kobject_uevent_env kobject: 'loop1' (ffff8880a49c8920): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a31220): kobject_uevent_env kobject: 'loop0' (ffff8880a11d83a0): kobject_uevent_env