b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
INFO: task kworker/1:3:7054 blocked for more than 140 seconds.
      Not tainted 4.9.124-g09eb2ba #31
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:3     D28040  7054      2 0x00000000
Workqueue: ipv6_addrconf addrconf_dad_work
 ffff8801b8cd6000 ffff8801c1aef480 ffff8801ca6d5500 ffff8801b6d2b000
 ffff8801db321c18 ffff8801973cfa38 ffffffff839f0afd ffff8801b8cd68c8
 ffffed003719ad18 ffff8801b8cd6000 00fffc0000000000 ffff8801db3224e8
Call Trace:
__find_get_block_slow() failed. block=2, b_blocknr=8
 [<ffffffff839f20ff>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
b_state=0x00000029, b_size=512
 [<ffffffff839f2a83>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3586
device loop7 blocksize: 2048
 [<ffffffff839f6f06>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff839f6f06>] mutex_lock_nested+0x326/0x870 kernel/locking/mutex.c:621
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
 [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
b_state=0x00000029, b_size=512
 [<ffffffff8358970b>] addrconf_dad_work+0x9b/0xcf0 net/ipv6/addrconf.c:3888
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 [<ffffffff8118f461>] process_one_work+0x7e1/0x1500 kernel/workqueue.c:2092
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 [<ffffffff81190256>] worker_thread+0xd6/0x10a0 kernel/workqueue.c:2226
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
 [<ffffffff8119f3cd>] kthread+0x26d/0x300 kernel/kthread.c:211
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
 [<ffffffff83a01b9c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
b_state=0x00000029, b_size=512

Showing all locks held in the system:
device loop7 blocksize: 2048
2 locks held by khungtaskd/519:
__find_get_block_slow() failed. block=2, b_blocknr=8
 #0: 
b_state=0x00000029, b_size=512
 (device loop7 blocksize: 2048
rcu_read_lock){......}, at: [<ffffffff813689dc>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
rcu_read_lock){......}, at: [<ffffffff813689dc>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1: 
b_state=0x00000029, b_size=512
 (device loop7 blocksize: 2048
tasklist_lock){.+.+..}, at: [<ffffffff81428248>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
b_state=0x00000029, b_size=512
3 locks held by kworker/0:2/1846:
device loop7 blocksize: 2048
 #0:  ("%s"("ipv6_addrconf")
__find_get_block_slow() failed. block=2, b_blocknr=8
){.+.+..}b_state=0x00000029, b_size=512
, at: [<ffffffff8118f36e>] work_static include/linux/workqueue.h:186 [inline]
, at: [<ffffffff8118f36e>] set_work_data kernel/workqueue.c:617 [inline]
, at: [<ffffffff8118f36e>] set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
, at: [<ffffffff8118f36e>] process_one_work+0x6ee/0x1500 kernel/workqueue.c:2085
 #1:  ((addr_chk_work).work
__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+...}b_state=0x00000029, b_size=512
, at: [<ffffffff8118f3a8>] process_one_work+0x728/0x1500 kernel/workqueue.c:2089
 #2:  (rtnl_mutex
__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+.+.}b_state=0x00000029, b_size=512
, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by rsyslogd/3674:
 #0: 
__find_get_block_slow() failed. block=2, b_blocknr=8
 (b_state=0x00000029, b_size=512
&f->f_pos_lockdevice loop7 blocksize: 2048
){+.+.+.}, at: [<ffffffff815dc7ec>] __fdget_pos+0xac/0xd0 fs/file.c:781
2 locks held by getty/3770:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (&tty->ldisc_sem){++++++}__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff839ffba2>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1: 
device loop7 blocksize: 2048
 (&ldata->atomic_read_lock){+.+...}__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff82125402>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142
3 locks held by kworker/1:3/7054:
device loop7 blocksize: 2048
 #0:  ("%s"("ipv6_addrconf")
__find_get_block_slow() failed. block=2, b_blocknr=8
){.+.+..}b_state=0x00000029, b_size=512
, at: [<ffffffff8118f36e>] work_static include/linux/workqueue.h:186 [inline]
, at: [<ffffffff8118f36e>] set_work_data kernel/workqueue.c:617 [inline]
, at: [<ffffffff8118f36e>] set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
, at: [<ffffffff8118f36e>] process_one_work+0x6ee/0x1500 kernel/workqueue.c:2085
 #1:  ((&(&ifa->dad_work)->work)
__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+...}b_state=0x00000029, b_size=512
, at: [<ffffffff8118f3a8>] process_one_work+0x728/0x1500 kernel/workqueue.c:2089
 #2:  (rtnl_mutex){+.+.+.}
__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
device loop7 blocksize: 2048
1 lock held by syz-executor3/13760:
 #0: 
__find_get_block_slow() failed. block=2, b_blocknr=8
 (b_state=0x00000029, b_size=512
rtnl_mutexdevice loop7 blocksize: 2048
){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor0/13761:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor0/13813:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor1/13757:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor1/13815:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor1/13820:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor1/13827:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830c15fb>] rtnl_lock net/core/rtnetlink.c:70 [inline]
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830c15fb>] rtnetlink_rcv+0x1b/0x40 net/core/rtnetlink.c:4067
2 locks held by syz-executor2/13773:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (&sb->s_type->i_mutex_key#9__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+.+.}b_state=0x00000029, b_size=512
, at: [<ffffffff8301830b>] inode_lock include/linux/fs.h:766 [inline]
, at: [<ffffffff8301830b>] __sock_release+0x8b/0x260 net/socket.c:604
 #1:  (rtnl_mutex
__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+.+.}b_state=0x00000029, b_size=512
, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor2/13776:
 #0: 
__find_get_block_slow() failed. block=2, b_blocknr=8
 (b_state=0x00000029, b_size=512
rtnl_mutexdevice loop7 blocksize: 2048
){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor7/13807:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (&sb->s_type->i_mutex_key#19__find_get_block_slow() failed. block=2, b_blocknr=8
){++++++}b_state=0x00000029, b_size=512
, at: [<ffffffff815a9585>] inode_lock include/linux/fs.h:766 [inline]
, at: [<ffffffff815a9585>] do_last fs/namei.c:3312 [inline]
, at: [<ffffffff815a9585>] path_openat+0xed5/0x3590 fs/namei.c:3534
1 lock held by syz-executor4/13797:
 #0: 
__find_get_block_slow() failed. block=2, b_blocknr=8
 (b_state=0x00000029, b_size=512
rtnl_mutexdevice loop7 blocksize: 2048
){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
2 locks held by syz-executor5/13801:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (&sb->s_type->i_mutex_key#9__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+.+.}b_state=0x00000029, b_size=512
, at: [<ffffffff8301830b>] inode_lock include/linux/fs.h:766 [inline]
, at: [<ffffffff8301830b>] __sock_release+0x8b/0x260 net/socket.c:604
 #1:  (rtnl_mutex
__find_get_block_slow() failed. block=2, b_blocknr=8
){+.+.+.}b_state=0x00000029, b_size=512
, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor6/13824:
 #0: 
__find_get_block_slow() failed. block=2, b_blocknr=8
 (b_state=0x00000029, b_size=512
rtnl_mutexdevice loop7 blocksize: 2048
){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor6/13833:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (rtnl_mutex){+.+.+.}, at: [<ffffffff830bcaa7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by init/13835:
b_state=0x00000029, b_size=512
 #0: 
device loop7 blocksize: 2048
 (tty_mutex){+.+.+.}__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff8211f80c>] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline]
, at: [<ffffffff8211f80c>] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125
1 lock held by init/13836:
device loop7 blocksize: 2048
 #0:  (tty_mutex){+.+.+.}
__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff8211f80c>] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline]
, at: [<ffffffff8211f80c>] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125
1 lock held by init/13837:
device loop7 blocksize: 2048
 #0:  (tty_mutex){+.+.+.}
__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff8211f80c>] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline]
, at: [<ffffffff8211f80c>] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125
1 lock held by init/13838:
device loop7 blocksize: 2048
 #0:  (tty_mutex){+.+.+.}
__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff8211f80c>] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline]
, at: [<ffffffff8211f80c>] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125
1 lock held by init/13839:
device loop7 blocksize: 2048
 #0:  (tty_mutex){+.+.+.}
__find_get_block_slow() failed. block=2, b_blocknr=8
, at: [<ffffffff8211f80c>] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline]
, at: [<ffffffff8211f80c>] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125
device loop7 blocksize: 2048
1 lock held by init/13840:
__find_get_block_slow() failed. block=2, b_blocknr=8
 #0: 
b_state=0x00000029, b_size=512
 (device loop7 blocksize: 2048
tty_mutex){+.+.+.}, at: [<ffffffff8211f80c>] tty_open_by_driver drivers/tty/tty_io.c:2047 [inline]
tty_mutex){+.+.+.}, at: [<ffffffff8211f80c>] tty_open+0x46c/0xe20 drivers/tty/tty_io.c:2125

b_state=0x00000029, b_size=512
=============================================

device loop7 blocksize: 2048
NMI backtrace for cpu 1
CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.124-g09eb2ba #31
__find_get_block_slow() failed. block=2, b_blocknr=8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
b_state=0x00000029, b_size=512
 ffff8801d859fd08
device loop7 blocksize: 2048
 ffffffff81eb95e9 0000000000000000 0000000000000001__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 0000000000000001
device loop7 blocksize: 2048
 0000000000000001 ffffffff810b9fa0 ffff8801d859fd40__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 ffffffff81ec4927
device loop7 blocksize: 2048
 0000000000000001 0000000000000000 0000000000000003__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
Call Trace:
device loop7 blocksize: 2048
 [<ffffffff81eb95e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81eb95e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 [<ffffffff81ec4927>] nmi_cpu_backtrace.cold.2+0x48/0x87 lib/nmi_backtrace.c:99
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
 [<ffffffff81ec48ba>] nmi_trigger_cpumask_backtrace+0x12a/0x14f lib/nmi_backtrace.c:60
b_state=0x00000029, b_size=512
 [<ffffffff810ba0a4>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
device loop7 blocksize: 2048
 [<ffffffff81368f74>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff81368f74>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff81368f74>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff81368f74>] watchdog+0x6b4/0xa20 kernel/hung_task.c:239
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 [<ffffffff8119f3cd>] kthread+0x26d/0x300 kernel/kthread.c:211
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
 [<ffffffff83a01b9c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
device loop7 blocksize: 2048
Sending NMI from CPU 1 to CPUs 0:
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
NMI backtrace for cpu 0
CPU: 0 PID: 13788 Comm: syz-executor7 Not tainted 4.9.124-g09eb2ba #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b98a0000 task.stack: ffff8801d7da8000
RIP: 0010:[<ffffffff81360cf1>] 
c [<ffffffff81360cf1>] __sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:93
RSP: 0018:ffff8801d7daf070  EFLAGS: 00000002
RAX: 0000000000000038 RBX: ffff8801d7daf1a0 RCX: 0000000000000004
RDX: 0000000000000018 RSI: ffffffff81edadb5 RDI: 0000000000000002
RBP: ffff8801d7daf128 R08: fffffbfff0b5dcc6 R09: fffffbfff0b5dcc4
R10: fffffbfff0b5dcc5 R11: ffffffff85aee629 R12: ffff8801d7daf100
R13: ffffffff83cced6a R14: ffffffff83cced6b R15: ffffffff83cced6c
FS:  00007f3ad235a700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f244dd20a30 CR3: 00000001c9336000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffff8801d7daf128
c ffffffff81edb065
c ffff8801d7daf1a7
c 1ffff1003afb5e14
c
 ffffffff83cced39
c ffffffff83cced6a
c 0000000041b58ab3
c ffffffff843e464c
c
 ffffffff81edaba0
c 0000000000000000
c ffffffff83cced6c
c ffffffff81238a04
c
Call Trace:
 [<ffffffff81ee48d3>] vsnprintf+0x163/0x1840 lib/vsprintf.c:1993
 [<ffffffff81ee5fdd>] vscnprintf+0x2d/0x60 lib/vsprintf.c:2144
 [<ffffffff812614d4>] vprintk_emit+0xf4/0x790 kernel/printk/printk.c:1847
 [<ffffffff81261b98>] vprintk+0x28/0x30 kernel/printk/printk.c:1913
 [<ffffffff81261bbd>] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1914
 [<ffffffff8142f016>] vprintk_func kernel/printk/internal.h:36 [inline]
 [<ffffffff8142f016>] printk+0xaf/0xd7 kernel/printk/printk.c:1975
 [<ffffffff81cbf9d5>] __find_get_block_slow.cold.57+0x82/0xf0 fs/buffer.c:242
 [<ffffffff81628cde>] __find_get_block+0x23e/0x4c0 fs/buffer.c:1360
 [<ffffffff81629ae9>] __getblk_slow fs/buffer.c:1101 [inline]
 [<ffffffff81629ae9>] __getblk_gfp+0x189/0x710 fs/buffer.c:1386
 [<ffffffff8162d48d>] __bread_gfp+0x2d/0x270 fs/buffer.c:1420
 [<ffffffff818bc678>] sb_bread include/linux/buffer_head.h:300 [inline]
 [<ffffffff818bc678>] fat__get_entry+0x4c8/0x8f0 fs/fat/dir.c:100
 [<ffffffff818bf301>] fat_get_entry fs/fat/dir.c:128 [inline]
 [<ffffffff818bf301>] fat_get_short_entry+0x131/0x2a0 fs/fat/dir.c:876
 [<ffffffff818bf85d>] fat_scan+0xfd/0x340 fs/fat/dir.c:961
 [<ffffffff818e6f49>] msdos_find+0xf9/0x2d0 fs/fat/namei_msdos.c:128
 [<ffffffff818e7865>] msdos_lookup+0x135/0x250 fs/fat/namei_msdos.c:208
 [<ffffffff8159f93d>] lookup_open+0x63d/0x1930 fs/namei.c:3203
 [<ffffffff815a9eb3>] do_last fs/namei.c:3315 [inline]
 [<ffffffff815a9eb3>] path_openat+0x1803/0x3590 fs/namei.c:3534
 [<ffffffff815aff07>] do_filp_open+0x197/0x270 fs/namei.c:3568
 [<ffffffff815726dd>] do_sys_open+0x30d/0x5c0 fs/open.c:1072
 [<ffffffff815729bd>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff815729bd>] SyS_open+0x2d/0x40 fs/open.c:1085
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff83a019d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 
c00 
ceb 
c81 
c4c 
c89 
cff 
ce8 
caf 
cee 
c1d 
c00 
ce9 
c5f 
cff 
cff 
cff 
c48 
c89 
cdf 
ce8 
c02 
cee 
c1d 
c00 
ce9 
cf9 
cfe 
cff 
cff 
c66 
c2e 
c0f 
c1f 
c84 
c00 
c00 
c00 
c00 
c00 
c0f 
c1f 
c00 
c55 
c<48> 
c89 
ce5 
c65 
c48 
c8b 
c04 
c25 
cc0 
c7d 
c01 
c00 
c65 
c8b 
c15 
c4c 
c70 
ccb 
c7e 
c81 
ce2 
c
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512
device loop7 blocksize: 2048
__find_get_block_slow() failed. block=2, b_blocknr=8
b_state=0x00000029, b_size=512