device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 INFO: task syz-executor4:24140 blocked for more than 140 seconds. b_state=0x00000029, b_size=4096 Not tainted 4.14.78+ #26 device loop0 blocksize: 2048 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 29504 24140 1854 0x00000004 __find_get_block_slow() failed. block=1, b_blocknr=0 Call Trace: b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 schedule+0x7f/0x1b0 kernel/sched/core.c:3490 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:565 [inline] rwsem_down_write_failed+0x390/0x730 kernel/locking/rwsem-xadd.c:594 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 grab_super+0x59/0x170 fs/super.c:373 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 sget_userns+0x2ae/0xc30 fs/super.c:504 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 sget+0xcd/0x110 fs/super.c:572 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 mount_bdev+0xde/0x370 fs/super.c:1122 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 mount_fs+0x28f/0x31a fs/super.c:1255 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 vfs_kern_mount.part.9+0xce/0x4a0 fs/namespace.c:1056 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 vfs_kern_mount fs/namespace.c:1038 [inline] do_new_mount fs/namespace.c:2561 [inline] do_mount+0x404/0x26e0 fs/namespace.c:2891 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 SYSC_mount fs/namespace.c:3107 [inline] SyS_mount+0xe5/0x100 fs/namespace.c:3084 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 entry_SYSCALL_64_after_hwframe+0x42/0xb7 __find_get_block_slow() failed. block=1, b_blocknr=0 RIP: 0033:0x457569 b_state=0x00000029, b_size=4096 RSP: 002b:00007f3bb3f95c78 EFLAGS: 00000246 device loop0 blocksize: 2048 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 __find_get_block_slow() failed. block=1, b_blocknr=0 RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 00000000200004c0 b_state=0x00000029, b_size=4096 RBP: 000000000072c040 R08: 0000000020000280 R09: 0000000000000000 device loop0 blocksize: 2048 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3bb3f966d4 R13: 00000000004c2af2 R14: 00000000004d4148 R15: 00000000ffffffff __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 INFO: task init:24151 blocked for more than 140 seconds. __find_get_block_slow() failed. block=1, b_blocknr=0 Not tainted 4.14.78+ #26 b_state=0x00000029, b_size=4096 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. device loop0 blocksize: 2048 init D __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 28520 24151 1 0x00000000 device loop0 blocksize: 2048 Call Trace: __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 schedule+0x7f/0x1b0 kernel/sched/core.c:3490 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548 __find_get_block_slow() failed. block=1, b_blocknr=0 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 chrdev_open+0x20d/0x570 fs/char_dev.c:417 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_dentry_open+0x426/0xda0 fs/open.c:764 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 vfs_open+0x11c/0x210 fs/open.c:878 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_last fs/namei.c:3408 [inline] path_openat+0x4eb/0x23a0 fs/namei.c:3550 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_filp_open+0x197/0x270 fs/namei.c:3584 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_sys_open+0x2ef/0x580 fs/open.c:1071 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 entry_SYSCALL_64_after_hwframe+0x42/0xb7 __find_get_block_slow() failed. block=1, b_blocknr=0 RIP: 0033:0x7f6e5692d120 b_state=0x00000029, b_size=4096 RSP: 002b:00007ffc37398078 EFLAGS: 00000246 device loop0 blocksize: 2048 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000000000242bf40 RCX: 00007f6e5692d120 __find_get_block_slow() failed. block=1, b_blocknr=0 RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8 b_state=0x00000029, b_size=4096 RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001 device loop0 blocksize: 2048 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902 R13: 0000000000000102 R14: 00007ffc373981f0 R15: 000000000242bf48 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 INFO: task init:24152 blocked for more than 140 seconds. __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 Not tainted 4.14.78+ #26 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. __find_get_block_slow() failed. block=1, b_blocknr=0 init D b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 28744 24152 1 0x00000000 b_state=0x00000029, b_size=4096 Call Trace: device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 schedule+0x7f/0x1b0 kernel/sched/core.c:3490 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548 __find_get_block_slow() failed. block=1, b_blocknr=0 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 chrdev_open+0x20d/0x570 fs/char_dev.c:417 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_dentry_open+0x426/0xda0 fs/open.c:764 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 vfs_open+0x11c/0x210 fs/open.c:878 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_last fs/namei.c:3408 [inline] path_openat+0x4eb/0x23a0 fs/namei.c:3550 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_filp_open+0x197/0x270 fs/namei.c:3584 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_sys_open+0x2ef/0x580 fs/open.c:1071 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 entry_SYSCALL_64_after_hwframe+0x42/0xb7 __find_get_block_slow() failed. block=1, b_blocknr=0 RIP: 0033:0x7f6e5692d120 b_state=0x00000029, b_size=4096 RSP: 002b:00007ffc37398078 EFLAGS: 00000246 device loop0 blocksize: 2048 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000000000242c280 RCX: 00007f6e5692d120 __find_get_block_slow() failed. block=1, b_blocknr=0 RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8 b_state=0x00000029, b_size=4096 RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001 device loop0 blocksize: 2048 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902 R13: 0000000000000102 R14: 00007ffc373981f0 R15: 000000000242c288 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 INFO: task init:24154 blocked for more than 140 seconds. __find_get_block_slow() failed. block=1, b_blocknr=0 Not tainted 4.14.78+ #26 b_state=0x00000029, b_size=4096 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 init D b_state=0x00000029, b_size=4096 29352 24154 1 0x00000000 device loop0 blocksize: 2048 Call Trace: __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 schedule+0x7f/0x1b0 kernel/sched/core.c:3490 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548 device loop0 blocksize: 2048 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 chrdev_open+0x20d/0x570 fs/char_dev.c:417 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_dentry_open+0x426/0xda0 fs/open.c:764 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 vfs_open+0x11c/0x210 fs/open.c:878 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_last fs/namei.c:3408 [inline] path_openat+0x4eb/0x23a0 fs/namei.c:3550 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_filp_open+0x197/0x270 fs/namei.c:3584 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_sys_open+0x2ef/0x580 fs/open.c:1071 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 entry_SYSCALL_64_after_hwframe+0x42/0xb7 __find_get_block_slow() failed. block=1, b_blocknr=0 RIP: 0033:0x7f6e5692d120 b_state=0x00000029, b_size=4096 RSP: 002b:00007ffc37398078 EFLAGS: 00000246 device loop0 blocksize: 2048 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000000000242c010 RCX: 00007f6e5692d120 __find_get_block_slow() failed. block=1, b_blocknr=0 RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8 b_state=0x00000029, b_size=4096 RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001 device loop0 blocksize: 2048 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902 R13: 0000000000000102 R14: 00007ffc373981f0 R15: 000000000242c018 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 INFO: task init:24155 blocked for more than 140 seconds. __find_get_block_slow() failed. block=1, b_blocknr=0 Not tainted 4.14.78+ #26 b_state=0x00000029, b_size=4096 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. device loop0 blocksize: 2048 init D __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 29352 24155 1 0x00000000 device loop0 blocksize: 2048 Call Trace: __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 schedule+0x7f/0x1b0 kernel/sched/core.c:3490 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548 __find_get_block_slow() failed. block=1, b_blocknr=0 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 chrdev_open+0x20d/0x570 fs/char_dev.c:417 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_dentry_open+0x426/0xda0 fs/open.c:764 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 vfs_open+0x11c/0x210 fs/open.c:878 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_last fs/namei.c:3408 [inline] path_openat+0x4eb/0x23a0 fs/namei.c:3550 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_filp_open+0x197/0x270 fs/namei.c:3584 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_sys_open+0x2ef/0x580 fs/open.c:1071 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 entry_SYSCALL_64_after_hwframe+0x42/0xb7 __find_get_block_slow() failed. block=1, b_blocknr=0 RIP: 0033:0x7f6e5692d120 b_state=0x00000029, b_size=4096 RSP: 002b:00007ffc37398078 EFLAGS: 00000246 device loop0 blocksize: 2048 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000000000242c0e0 RCX: 00007f6e5692d120 __find_get_block_slow() failed. block=1, b_blocknr=0 RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8 b_state=0x00000029, b_size=4096 RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001 device loop0 blocksize: 2048 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902 R13: 0000000000000102 R14: 00007ffc373981f0 R15: 000000000242c0e8 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 INFO: task init:24156 blocked for more than 140 seconds. device loop0 blocksize: 2048 Not tainted 4.14.78+ #26 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. __find_get_block_slow() failed. block=1, b_blocknr=0 init D b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 29176 24156 1 0x00000000 __find_get_block_slow() failed. block=1, b_blocknr=0 Call Trace: b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 schedule+0x7f/0x1b0 kernel/sched/core.c:3490 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548 __find_get_block_slow() failed. block=1, b_blocknr=0 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 chrdev_open+0x20d/0x570 fs/char_dev.c:417 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_dentry_open+0x426/0xda0 fs/open.c:764 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 vfs_open+0x11c/0x210 fs/open.c:878 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 do_last fs/namei.c:3408 [inline] path_openat+0x4eb/0x23a0 fs/namei.c:3550 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_filp_open+0x197/0x270 fs/namei.c:3584 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 do_sys_open+0x2ef/0x580 fs/open.c:1071 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 entry_SYSCALL_64_after_hwframe+0x42/0xb7 __find_get_block_slow() failed. block=1, b_blocknr=0 RIP: 0033:0x7f6e5692d120 b_state=0x00000029, b_size=4096 RSP: 002b:00007ffc37398078 EFLAGS: 00000246 device loop0 blocksize: 2048 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000000000242c1b0 RCX: 00007f6e5692d120 __find_get_block_slow() failed. block=1, b_blocknr=0 RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8 b_state=0x00000029, b_size=4096 RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001 device loop0 blocksize: 2048 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902 R13: 0000000000000102 R14: 00007ffc373981f0 R15: 000000000242c1b8 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 Showing all locks held in the system: b_state=0x00000029, b_size=4096 1 lock held by khungtaskd/23: device loop0 blocksize: 2048 #0: (tasklist_lock __find_get_block_slow() failed. block=1, b_blocknr=0 ){.+.+} b_state=0x00000029, b_size=4096 , at: [] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541 device loop0 blocksize: 2048 1 lock held by rsyslogd/1636: #0: __find_get_block_slow() failed. block=1, b_blocknr=0 ( b_state=0x00000029, b_size=4096 &f->f_pos_lock device loop0 blocksize: 2048 ){+.+.}, at: [] __fdget_pos+0xa2/0xc0 fs/file.c:768 __find_get_block_slow() failed. block=1, b_blocknr=0 2 locks held by getty/1764: b_state=0x00000029, b_size=4096 #0: device loop0 blocksize: 2048 (&tty->ldisc_sem){++++} __find_get_block_slow() failed. block=1, b_blocknr=0 , at: [] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275 b_state=0x00000029, b_size=4096 #1: device loop0 blocksize: 2048 (&ldata->atomic_read_lock){+.+.} __find_get_block_slow() failed. block=1, b_blocknr=0 , at: [] n_tty_read+0x1ff/0x15e0 drivers/tty/n_tty.c:2142 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 2 locks held by syz-executor4/24140: b_state=0x00000029, b_size=4096 #0: device loop0 blocksize: 2048 (&bdev->bd_fsfreeze_mutex){+.+.} __find_get_block_slow() failed. block=1, b_blocknr=0 , at: [] mount_bdev+0x81/0x370 fs/super.c:1116 b_state=0x00000029, b_size=4096 #1: device loop0 blocksize: 2048 (&type->s_umount_key#47 __find_get_block_slow() failed. block=1, b_blocknr=0 ){+.+.} b_state=0x00000029, b_size=4096 , at: [] grab_super+0x59/0x170 fs/super.c:373 device loop0 blocksize: 2048 1 lock held by init/24151: #0: __find_get_block_slow() failed. block=1, b_blocknr=0 ( b_state=0x00000029, b_size=4096 tty_mutex device loop0 blocksize: 2048 ){+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] ){+.+.}, at: [] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 __find_get_block_slow() failed. block=1, b_blocknr=0 1 lock held by init/24152: b_state=0x00000029, b_size=4096 #0: device loop0 blocksize: 2048 (tty_mutex){+.+.} __find_get_block_slow() failed. block=1, b_blocknr=0 , at: [] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] , at: [] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 b_state=0x00000029, b_size=4096 1 lock held by init/24154: device loop0 blocksize: 2048 #0: (tty_mutex __find_get_block_slow() failed. block=1, b_blocknr=0 ){+.+.} b_state=0x00000029, b_size=4096 , at: [] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] , at: [] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 device loop0 blocksize: 2048 1 lock held by init/24155: #0: __find_get_block_slow() failed. block=1, b_blocknr=0 ( b_state=0x00000029, b_size=4096 tty_mutex device loop0 blocksize: 2048 ){+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] ){+.+.}, at: [] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 __find_get_block_slow() failed. block=1, b_blocknr=0 1 lock held by init/24156: b_state=0x00000029, b_size=4096 #0: device loop0 blocksize: 2048 (tty_mutex){+.+.} __find_get_block_slow() failed. block=1, b_blocknr=0 , at: [] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline] , at: [] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 ============================================= NMI backtrace for cpu 1 __find_get_block_slow() failed. block=1, b_blocknr=0 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.78+ #26 b_state=0x00000029, b_size=4096 Call Trace: device loop0 blocksize: 2048 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x11b lib/dump_stack.c:53 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 trigger_all_cpu_backtrace include/linux/nmi.h:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x574/0xa70 kernel/hung_task.c:252 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 kthread+0x348/0x420 kernel/kthread.c:232 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 Sending NMI from CPU 1 to CPUs 0: __find_get_block_slow() failed. block=1, b_blocknr=0 NMI backtrace for cpu 0 CPU: 0 PID: 24093 Comm: syz-executor4 Not tainted 4.14.78+ #26 task: ffff88019d0faf00 task.stack: ffff88018e1b8000 RIP: 0010:_raw_spin_unlock_irqrestore+0x4e/0x70 kernel/locking/spinlock.c:193 RSP: 0018:ffff88018e1bf860 EFLAGS: 00000082 RAX: 0000000080000001 RBX: 00000000ffffffff RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffffffaabd23a0 RBP: ffffffffa96c69a0 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88019d0fb780 R11: 0000000000000001 R12: ffffffffa741e344 R13: 0000000000000000 R14: ffffffffa90c95a0 R15: ffff88018e1bf950 FS: 00007f3bb3fd8700(0000) GS:ffff8801dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f973222e000 CR3: 00000001cb1a6006 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: down_trylock+0x46/0x70 kernel/locking/semaphore.c:140 __down_trylock_console_sem+0x33/0xc0 kernel/printk/printk.c:228 console_trylock+0x13/0xf0 kernel/printk/printk.c:2074 vprintk_emit+0x104/0x150 kernel/printk/printk.c:1765 vprintk_func+0x58/0x159 kernel/printk/printk_safe.c:401 printk+0xa7/0xcf kernel/printk/printk.c:1838 __find_get_block_slow fs/buffer.c:239 [inline] __find_get_block.cold.22+0x36/0xf5 fs/buffer.c:1356 __getblk_slow fs/buffer.c:1099 [inline] __getblk_gfp+0x186/0x720 fs/buffer.c:1382 __bread_gfp+0x28/0x1e0 fs/buffer.c:1416 sb_bread include/linux/buffer_head.h:307 [inline] read_raw_super_block fs/f2fs/super.c:2549 [inline] f2fs_fill_super+0x287/0x5c60 fs/f2fs/super.c:2769 mount_bdev+0x2ab/0x370 fs/super.c:1149 mount_fs+0x28f/0x31a fs/super.c:1255 vfs_kern_mount.part.9+0xce/0x4a0 fs/namespace.c:1056 vfs_kern_mount fs/namespace.c:1038 [inline] do_new_mount fs/namespace.c:2561 [inline] do_mount+0x404/0x26e0 fs/namespace.c:2891 SYSC_mount fs/namespace.c:3107 [inline] SyS_mount+0xe5/0x100 fs/namespace.c:3084 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x457569 RSP: 002b:00007f3bb3fd7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 00000000200004c0 RBP: 000000000072bf00 R08: 0000000020000280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3bb3fd86d4 R13: 00000000004c2af2 R14: 00000000004d4148 R15: 00000000ffffffff Code: f6 c7 02 75 27 48 89 df 57 9d 0f 1f 44 00 00 e8 f9 c9 99 fe bf 01 00 00 00 e8 3f 92 90 fe 65 8b 05 58 6f 5c 57 85 c0 74 14 5b 5d e8 ac 36 9a fe 48 89 df 57 9d 0f 1f 44 00 00 eb d7 e8 84 b2 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048 __find_get_block_slow() failed. block=1, b_blocknr=0 b_state=0x00000029, b_size=4096 device loop0 blocksize: 2048