./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2998112610

<...>
Warning: Permanently added '10.128.0.196' (ED25519) to the list of known hosts.
execve("./syz-executor2998112610", ["./syz-executor2998112610"], 0x7fffef3c3560 /* 10 vars */) = 0
brk(NULL)                               = 0x5555563b7000
brk(0x5555563b7d00)                     = 0x5555563b7d00
arch_prctl(ARCH_SET_FS, 0x5555563b7380) = 0
set_tid_address(0x5555563b7650)         = 5025
set_robust_list(0x5555563b7660, 24)     = 0
rseq(0x5555563b7ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2998112610", 4096) = 28
getrandom("\x3c\x48\x53\xf1\xc5\x65\xb1\x00", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555563b7d00
brk(0x5555563d8d00)                     = 0x5555563d8d00
brk(0x5555563d9000)                     = 0x5555563d9000
mprotect(0x7fc8556b0000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5026 attached
, child_tidptr=0x5555563b7650) = 5026
[pid  5026] set_robust_list(0x5555563b7660, 24) = 0
[pid  5026] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5026] setsid()                    = 1
[pid  5026] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5026] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5026] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5026] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5026] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5026] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5026] unshare(CLONE_NEWNS)        = 0
[pid  5026] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5026] unshare(CLONE_NEWIPC)       = 0
[pid  5026] unshare(CLONE_NEWCGROUP)    = 0
[pid  5026] unshare(CLONE_NEWUTS)       = 0
[pid  5026] unshare(CLONE_SYSVSEM)      = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "16777216", 8)     = 8
[pid  5026] close(3)                    = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "536870912", 9)    = 9
[pid  5026] close(3)                    = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "1024", 4)         = 4
[pid  5026] close(3)                    = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "8192", 4)         = 4
[pid  5026] close(3)                    = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "1024", 4)         = 4
[pid  5026] close(3)                    = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "1024", 4)         = 4
[pid  5026] close(3)                    = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5026] close(3)                    = 0
[pid  5026] getpid()                    = 1
[pid  5026] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5026] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5026] unshare(CLONE_NEWNET)       = 0
[pid  5026] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5026] write(3, "0 65535", 7)      = 7
[pid  5026] close(3)                    = 0
[pid  5026] mkdir("/dev/binderfs", 0777) = 0
[pid  5026] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5026] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5026] memfd_create("syzkaller", 0) = 3
[pid  5026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc84d1df000
[pid  5026] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5026] munmap(0x7fc84d1df000, 138412032) = 0
[pid  5026] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   72.668100][ T5026] syz-executor299[5026]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
[pid  5026] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5026] close(3)                    = 0
[pid  5026] mkdir("./file0", 0777)      = 0
[pid  5026] mount("/dev/loop0", "./file0", "ntfs", MS_NODEV|MS_NODIRATIME|MS_I_VERSION, "dmask=00000000000000000000004,show_sys_files=no,show_sys_files=yes,show_sys_files=yes,case_sensitive"...) = 0
[pid  5026] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5026] chdir("./file0")            = 0
[pid  5026] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5026] close(4)                    = 0
[pid  5026] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 4
[pid  5026] pwritev(4, [{iov_base="\xdd", iov_len=1}], 1, 0) = 1
[pid  5026] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 5
[   72.712973][ T5026] loop0: detected capacity change from 0 to 4096
[   72.724450][ T5026] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel.
[   72.757892][ T5026] ntfs: volume version 3.1.
[pid  5026] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 6
[   73.741722][ T5026] syz-executor299 (5026): drop_caches: 3
[pid  5026] sendfile(6, 5, [122] => [671], 571) = 549
[pid  5026] exit_group(1)               = ?
[   73.816604][ T5026] syz-executor299 (5026): drop_caches: 3
[   73.849150][   T48] 
[   73.851541][   T48] ======================================================
[   73.858575][   T48] WARNING: possible circular locking dependency detected
[   73.865591][   T48] 6.6.0-rc7-syzkaller #0 Not tainted
[   73.870867][   T48] ------------------------------------------------------
[   73.877878][   T48] kworker/u4:3/48 is trying to acquire lock:
[   73.883848][   T48] ffff8880776a8100 (&rl->lock){++++}-{3:3}, at: ntfs_read_folio+0x14cb/0x29c0
[   73.892747][   T48] 
[   73.892747][   T48] but task is already holding lock:
[   73.900114][   T48] ffff8880776aaad0 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4c/0x630
[   73.909099][   T48] 
[   73.909099][   T48] which lock already depends on the new lock.
[   73.909099][   T48] 
[   73.919489][   T48] 
[   73.919489][   T48] the existing dependency chain (in reverse order) is:
[   73.928502][   T48] 
[   73.928502][   T48] -> #1 (&ni->mrec_lock){+.+.}-{3:3}:
[   73.936058][   T48]        __mutex_lock+0x136/0xd60
[   73.941081][   T48]        map_mft_record+0x4c/0x630
[   73.946186][   T48]        ntfs_attr_extend_allocation+0x539/0x4340
[   73.952631][   T48]        ntfs_file_write_iter+0x37e/0x1970
[   73.958441][   T48]        do_iter_write+0x84f/0xde0
[   73.963581][   T48]        do_pwritev+0x21a/0x360
[   73.968424][   T48]        do_syscall_64+0x41/0xc0
[   73.973354][   T48]        entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   73.979762][   T48] 
[   73.979762][   T48] -> #0 (&rl->lock){++++}-{3:3}:
[   73.986905][   T48]        __lock_acquire+0x39ff/0x7f70
[   73.992269][   T48]        lock_acquire+0x1e3/0x520
[   73.997285][   T48]        down_read+0xb1/0xa40
[   74.001962][   T48]        ntfs_read_folio+0x14cb/0x29c0
[   74.007430][   T48]        filemap_read_folio+0x19c/0x770
[   74.012974][   T48]        do_read_cache_folio+0x134/0x810
[   74.018610][   T48]        do_read_cache_page+0x30/0x210
[   74.024076][   T48]        ntfs_sync_mft_mirror+0x25f/0x1ad0
[   74.029918][   T48]        write_mft_record_nolock+0x1155/0x18d0
[   74.036064][   T48]        write_mft_record+0x149/0x310
[   74.041427][   T48]        __ntfs_write_inode+0x703/0xbb0
[   74.046966][   T48]        __writeback_single_inode+0x69b/0xfa0
[   74.053065][   T48]        writeback_sb_inodes+0x8e3/0x1210
[   74.058826][   T48]        wb_writeback+0x44d/0xc60
[   74.063857][   T48]        wb_workfn+0x400/0xff0
[   74.068625][   T48]        process_scheduled_works+0x90f/0x1400
[   74.074690][   T48]        worker_thread+0xa5f/0xff0
[   74.079796][   T48]        kthread+0x2d3/0x370
[   74.084377][   T48]        ret_from_fork+0x48/0x80
[   74.089356][   T48]        ret_from_fork_asm+0x11/0x20
[   74.094641][   T48] 
[   74.094641][   T48] other info that might help us debug this:
[   74.094641][   T48] 
[   74.104864][   T48]  Possible unsafe locking scenario:
[   74.104864][   T48] 
[   74.112302][   T48]        CPU0                    CPU1
[   74.117659][   T48]        ----                    ----
[   74.123025][   T48]   lock(&ni->mrec_lock);
[   74.127358][   T48]                                lock(&rl->lock);
[   74.133787][   T48]                                lock(&ni->mrec_lock);
[   74.140649][   T48]   rlock(&rl->lock);
[   74.144632][   T48] 
[   74.144632][   T48]  *** DEADLOCK ***
[   74.144632][   T48] 
[   74.152790][   T48] 3 locks held by kworker/u4:3/48:
[   74.157908][   T48]  #0: ffff888141a5d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400
[   74.169142][   T48]  #1: ffffc90000b8fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400
[   74.181584][   T48]  #2: ffff8880776aaad0 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4c/0x630
[   74.190980][   T48] 
[   74.190980][   T48] stack backtrace:
[   74.196867][   T48] CPU: 0 PID: 48 Comm: kworker/u4:3 Not tainted 6.6.0-rc7-syzkaller #0
[   74.205099][   T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[   74.215163][   T48] Workqueue: writeback wb_workfn (flush-7:0)
[   74.221159][   T48] Call Trace:
[   74.224433][   T48]  <TASK>
[   74.227358][   T48]  dump_stack_lvl+0x1e7/0x2d0
[   74.232034][   T48]  ? nf_tcp_handle_invalid+0x650/0x650
[   74.237493][   T48]  ? print_circular_bug+0x12b/0x1a0
[   74.242690][   T48]  check_noncircular+0x375/0x4a0
[   74.247630][   T48]  ? noop_count+0x30/0x30
[   74.251961][   T48]  ? print_deadlock_bug+0x600/0x600
[   74.257160][   T48]  ? lockdep_lock+0x123/0x2b0
[   74.261845][   T48]  ? check_noncircular+0x205/0x4a0
[   74.266957][   T48]  ? mark_lock+0x9a/0x340
[   74.271284][   T48]  ? _find_first_zero_bit+0xd4/0x100
[   74.276616][   T48]  __lock_acquire+0x39ff/0x7f70
[   74.281475][   T48]  ? verify_lock_unused+0x140/0x140
[   74.286675][   T48]  ? do_read_cache_folio+0x134/0x810
[   74.291953][   T48]  ? verify_lock_unused+0x140/0x140
[   74.297147][   T48]  ? write_mft_record+0x149/0x310
[   74.302178][   T48]  ? verify_lock_unused+0x140/0x140
[   74.307371][   T48]  ? wb_writeback+0x44d/0xc60
[   74.312044][   T48]  ? process_scheduled_works+0x90f/0x1400
[   74.317758][   T48]  ? worker_thread+0xa5f/0xff0
[   74.322555][   T48]  ? kthread+0x2d3/0x370
[   74.326810][   T48]  ? ret_from_fork_asm+0x11/0x20
[   74.331763][   T48]  lock_acquire+0x1e3/0x520
[   74.336271][   T48]  ? ntfs_read_folio+0x14cb/0x29c0
[   74.341396][   T48]  ? read_lock_is_recursive+0x20/0x20
[   74.346770][   T48]  ? __might_sleep+0xc0/0xc0
[   74.351365][   T48]  ? mark_lock+0x9a/0x340
[   74.355694][   T48]  down_read+0xb1/0xa40
[   74.359855][   T48]  ? ntfs_read_folio+0x14cb/0x29c0
[   74.364968][   T48]  ? print_irqtrace_events+0x220/0x220
[   74.370422][   T48]  ? __down_common+0x7a0/0x7a0
[   74.375193][   T48]  ? _raw_read_unlock_irqrestore+0x8f/0x140
[   74.381081][   T48]  ? lockdep_hardirqs_on+0x98/0x140
[   74.386285][   T48]  ? _raw_read_unlock_irqrestore+0xdd/0x140
[   74.392174][   T48]  ? _raw_read_unlock+0x40/0x40
[   74.397023][   T48]  ? do_raw_spin_unlock+0x13b/0x8b0
[   74.402224][   T48]  ntfs_read_folio+0x14cb/0x29c0
[   74.407178][   T48]  ? ntfs_writepage+0x1ab0/0x1ab0
[   74.412208][   T48]  ? folio_add_lru+0x9d0/0x9d0
[   74.416966][   T48]  ? folio_add_lru+0x4b2/0x9d0
[   74.421724][   T48]  ? folio_add_lru+0x27b/0x9d0
[   74.426483][   T48]  filemap_read_folio+0x19c/0x770
[   74.431504][   T48]  ? ntfs_writepage+0x1ab0/0x1ab0
[   74.436533][   T48]  ? maybe_unlock_mmap_for_io+0xe0/0xe0
[   74.442098][   T48]  ? seqcount_lockdep_reader_access+0x1d7/0x220
[   74.448339][   T48]  do_read_cache_folio+0x134/0x810
[   74.453485][   T48]  ? ntfs_writepage+0x1ab0/0x1ab0
[   74.458515][   T48]  do_read_cache_page+0x30/0x210
[   74.463449][   T48]  ntfs_sync_mft_mirror+0x25f/0x1ad0
[   74.468733][   T48]  ? submit_bio_noacct_nocheck+0xa2f/0xc60
[   74.474540][   T48]  ? should_fail_request+0x80/0x80
[   74.479674][   T48]  ? __mark_mft_record_dirty+0x180/0x180
[   74.485332][   T48]  write_mft_record_nolock+0x1155/0x18d0
[   74.490977][   T48]  ? ntfs_unmap_page+0x260/0x260
[   74.495913][   T48]  ? lockdep_hardirqs_on+0x98/0x140
[   74.501120][   T48]  write_mft_record+0x149/0x310
[   74.505968][   T48]  __ntfs_write_inode+0x703/0xbb0
[   74.510993][   T48]  __writeback_single_inode+0x69b/0xfa0
[   74.516542][   T48]  writeback_sb_inodes+0x8e3/0x1210
[   74.521752][   T48]  ? queue_io+0x570/0x570
[   74.526076][   T48]  ? __writeback_inodes_wb+0x260/0x260
[   74.531536][   T48]  ? queue_io+0x3d5/0x570
[   74.535866][   T48]  wb_writeback+0x44d/0xc60
[   74.540372][   T48]  ? percpu_ref_tryget+0x260/0x260
[   74.545513][   T48]  ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[   74.551523][   T48]  wb_workfn+0x400/0xff0
[   74.555782][   T48]  ? inode_wait_for_writeback+0x290/0x290
[   74.561521][   T48]  ? read_lock_is_recursive+0x20/0x20
[   74.566914][   T48]  ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[   74.572893][   T48]  ? print_irqtrace_events+0x220/0x220
[   74.578380][   T48]  ? process_scheduled_works+0x825/0x1400
[   74.584095][   T48]  process_scheduled_works+0x90f/0x1400
[   74.589652][   T48]  ? assign_work+0x3d0/0x3d0
[   74.594243][   T48]  ? assign_work+0x364/0x3d0
[   74.598832][   T48]  worker_thread+0xa5f/0xff0
[   74.603439][   T48]  kthread+0x2d3/0x370
[   74.607509][   T48]  ? pr_cont_work+0x5e0/0x5e0
[   74.612187][   T48]  ? kthread_blkcg+0xd0/0xd0
[pid  5026] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5026, si_uid=0, si_status=1, si_utime=0, si_stime=109 /* 1.09 s */} ---
exit_group(0)                           = ?
+++ exited with 0 +++
[   74.616770][   T48]  ret_from_fork+