BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:33
in_atomic(): 1, irqs_disabled(): 0, pid: 9352, name: syz-executor5
4 locks held by syz-executor5/9352:
 #0:  (sb_writers#4){.+.+.+}, at: [<ffffffff815755ef>] sb_start_write include/linux/fs.h:1573 [inline]
 #0:  (sb_writers#4){.+.+.+}, at: [<ffffffff815755ef>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
 #1:  (&sb->s_type->i_mutex_key#9){++++++}, at: [<ffffffff81503378>] inode_lock include/linux/fs.h:766 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++++}, at: [<ffffffff81503378>] do_truncate2+0x128/0x1f0 fs/open.c:61
 #2:  (&ei->i_mmap_sem){++++++}, at: [<ffffffff816e52f8>] ext4_setattr+0x11e8/0x2170 fs/ext4/inode.c:5296
 #3:  (&(&mapping->private_lock)->rlock){+.+...}, at: [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
 #3:  (&(&mapping->private_lock)->rlock){+.+...}, at: [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
Preemption disabled at:[  199.862124] [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
Preemption disabled at:[  199.862124] [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
CPU: 1 PID: 9352 Comm: syz-executor5 Not tainted 4.9.141+ #1
 ffff8801db707660 ffffffff81b42e79 ffffffff815bd6e2 0000000000000000
 0000000000000101 ffff8801d1b54740 ffff8801d1b54740 ffff8801db707698
 ffffffff813f9ecf ffff8801d1b54740 ffffffff82ad6720 0000000000000021
Call Trace:
 <IRQ> [  199.903714]  [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ> [  199.903714]  [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813f9ecf>] ___might_sleep.cold.31+0x18a/0x1fc kernel/sched/core.c:7988
 [<ffffffff81167c85>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7945
 [<ffffffff816d4b6d>] percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:33 [inline]
 [<ffffffff816d4b6d>] percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
 [<ffffffff816d4b6d>] ext4_writepages+0x16d/0x2e00 fs/ext4/inode.c:2659
 [<ffffffff81433d3f>] do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
 [<ffffffff814119b9>] __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
 [<ffffffff81411c89>] filemap_write_and_wait_range+0x59/0xb0 mm/filemap.c:578
 [<ffffffff8158b803>] __generic_file_fsync+0x93/0x1a0 fs/libfs.c:974
 [<ffffffff816b5209>] ext4_sync_file+0x659/0x10a0 fs/ext4/fsync.c:116
 [<ffffffff815b195c>] vfs_fsync_range+0x10c/0x260 fs/sync.c:195
 [<ffffffff815cd622>] generic_write_sync include/linux/fs.h:2607 [inline]
 [<ffffffff815cd622>] dio_complete+0x512/0x6c0 fs/direct-io.c:282
 [<ffffffff815cd8ec>] dio_bio_end_aio+0x11c/0x370 fs/direct-io.c:323
 [<ffffffff81ab5f75>] bio_endio+0x1a5/0x1f0 block/bio.c:1781
 [<ffffffff81ad65d8>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81ad65d8>] blk_update_request+0x248/0x9b0 block/blk-core.c:2628
 [<ffffffff81e1c7ed>] scsi_end_request+0x9d/0x5c0 drivers/scsi/scsi_lib.c:606
 [<ffffffff81e257f3>] scsi_io_completion+0x273/0x17a0 drivers/scsi/scsi_lib.c:829
 [<ffffffff81e0871a>] scsi_finish_command+0x3ba/0x530 drivers/scsi/scsi.c:607
 [<ffffffff81e23d20>] scsi_softirq_done+0x250/0x360 drivers/scsi/scsi_lib.c:1567
 [<ffffffff81af449d>] blk_done_softirq+0x27d/0x3e0 block/blk-softirq.c:35
 [<ffffffff8281cb9e>] __do_softirq+0x20e/0x964 kernel/softirq.c:288
 [<ffffffff810efdbc>] invoke_softirq kernel/softirq.c:368 [inline]
 [<ffffffff810efdbc>] irq_exit+0x11c/0x150 kernel/softirq.c:409
 [<ffffffff82819b9d>] exiting_irq arch/x86/include/asm/apic.h:669 [inline]
 [<ffffffff82819b9d>] do_IRQ+0x10d/0x1c0 arch/x86/kernel/irq.c:252
 [<ffffffff8281819d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:461
 <EOI> [  200.293138]  [<ffffffff8120c913>] ? arch_local_irq_restore arch/x86/include/asm/paravirt.h:768 [inline]
 <EOI> [  200.293138]  [<ffffffff8120c913>] ? lock_acquire+0x173/0x3e0 kernel/locking/lockdep.c:3759
 [<ffffffff82816c26>] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline]
 [<ffffffff82816c26>] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151
 [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
 [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
 [<ffffffff816bfae1>] ext4_releasepage+0x211/0x420 fs/ext4/inode.c:3306
 [<ffffffff814102c8>] try_to_release_page+0x138/0x1c0 mm/filemap.c:2941
 [<ffffffff815b990a>] block_invalidatepage+0x24a/0x2f0 fs/buffer.c:1565
 [<ffffffff816bfe0c>] ext4_invalidatepage+0x11c/0x3a0 fs/ext4/inode.c:3266
 [<ffffffff816c6e00>] ext4_da_invalidatepage+0xc0/0xbb0 fs/ext4/inode.c:3111
 [<ffffffff81440665>] do_invalidatepage mm/truncate.c:99 [inline]
 [<ffffffff81440665>] truncate_complete_page mm/truncate.c:119 [inline]
 [<ffffffff81440665>] truncate_inode_page+0x125/0x260 mm/truncate.c:167
 [<ffffffff81440b0e>] truncate_inode_pages_range+0x2be/0x1060 mm/truncate.c:291
 [<ffffffff814419f6>] truncate_inode_pages mm/truncate.c:401 [inline]
 [<ffffffff814419f6>] truncate_pagecache+0x66/0x90 mm/truncate.c:706
 [<ffffffff816e5321>] ext4_setattr+0x1211/0x2170 fs/ext4/inode.c:5301
 [<ffffffff815682e7>] notify_change2+0xad7/0xe00 fs/attr.c:313
 [<ffffffff8150338d>] do_truncate2+0x13d/0x1f0 fs/open.c:63
 [<ffffffff8153cb86>] handle_truncate fs/namei.c:2990 [inline]
 [<ffffffff8153cb86>] do_last fs/namei.c:3419 [inline]
 [<ffffffff8153cb86>] path_openat+0xb86/0x2790 fs/namei.c:3534
 [<ffffffff81541617>] do_filp_open+0x197/0x270 fs/namei.c:3568
 [<ffffffff8150617d>] do_sys_open+0x30d/0x5c0 fs/open.c:1072
 [<ffffffff815064d7>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff815064d7>] SyS_open fs/open.c:1085 [inline]
 [<ffffffff815064d7>] SYSC_creat fs/open.c:1110 [inline]
 [<ffffffff815064d7>] SyS_creat+0x27/0x30 fs/open.c:1108
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

=========================================================
[ INFO: possible irq lock inversion dependency detected ]
4.9.141+ #1 Tainted: G        W      
---------------------------------------------------------
syz-executor5/9352 just changed the state of lock:
 (&sbi->s_journal_flag_rwsem){.+.?.+}, at: [<ffffffff81433d3f>] do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
 (&ei->i_data_sem){++++..}

and interrupts could create inverse lock ordering between them.


other info that might help us debug this:
 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&ei->i_data_sem);
                               local_irq_disable();
                               lock(&sbi->s_journal_flag_rwsem);
                               lock(&ei->i_data_sem);
  <Interrupt>
    lock(&sbi->s_journal_flag_rwsem);

 *** DEADLOCK ***

4 locks held by syz-executor5/9352:
 #0:  (sb_writers#4){.+.+.+}, at: [<ffffffff815755ef>] sb_start_write include/linux/fs.h:1573 [inline]
 #0:  (sb_writers#4){.+.+.+}, at: [<ffffffff815755ef>] mnt_want_write+0x3f/0xb0 fs/namespace.c:391
 #1:  (&sb->s_type->i_mutex_key#9){++++++}, at: [<ffffffff81503378>] inode_lock include/linux/fs.h:766 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++++}, at: [<ffffffff81503378>] do_truncate2+0x128/0x1f0 fs/open.c:61
 #2:  (&ei->i_mmap_sem){++++++}, at: [<ffffffff816e52f8>] ext4_setattr+0x11e8/0x2170 fs/ext4/inode.c:5296
 #3:  (&(&mapping->private_lock)->rlock){+.+...}, at: [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
 #3:  (&(&mapping->private_lock)->rlock){+.+...}, at: [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287

the shortest dependencies between 2nd lock and 1st lock:
 -> (&ei->i_data_sem){++++..} ops: 286666 {
    HARDIRQ-ON-W at:
                      mark_irqflags kernel/locking/lockdep.c:2937 [inline]
                      __lock_acquire+0x10b0/0x4a10 kernel/locking/lockdep.c:3302
                      lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                      down_write+0x41/0xa0 kernel/locking/rwsem.c:52
                      ext4_release_file+0x25b/0x2e0 fs/ext4/file.c:50
                      __fput+0x263/0x700 fs/file_table.c:208
                      ____fput+0x15/0x20 fs/file_table.c:244
                      task_work_run+0x10c/0x180 kernel/task_work.c:116
                      tracehook_notify_resume include/linux/tracehook.h:191 [inline]
                      exit_to_usermode_loop+0x129/0x150 arch/x86/entry/common.c:162
                      prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
                      syscall_return_slowpath arch/x86/entry/common.c:263 [inline]
                      do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290
                      entry_SYSCALL_64_after_swapgs+0x5d/0xdb
    HARDIRQ-ON-R at:
                      mark_irqflags kernel/locking/lockdep.c:2929 [inline]
                      __lock_acquire+0xb79/0x4a10 kernel/locking/lockdep.c:3302
                      lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                      down_read+0x44/0xb0 kernel/locking/rwsem.c:22
                      ext4_map_blocks+0x361/0x16d0 fs/ext4/inode.c:533
                      ext4_getblk+0x2cc/0x450 fs/ext4/inode.c:943
                      ext4_find_entry+0xa94/0x12c0 fs/ext4/namei.c:1420
                      ext4_lookup+0x139/0x5e0 fs/ext4/namei.c:1559
                      lookup_slow+0x24a/0x470 fs/namei.c:1668
                      walk_component+0x822/0xcf0 fs/namei.c:1784
                      lookup_last fs/namei.c:2266 [inline]
                      path_lookupat.isra.10+0x186/0x410 fs/namei.c:2283
                      filename_lookup.part.18+0x177/0x370 fs/namei.c:2317
                      filename_lookup fs/namei.c:2310 [inline]
                      user_path_at_empty+0x53/0x70 fs/namei.c:2578
                      user_path include/linux/namei.h:60 [inline]
                      do_mount+0x134/0x28a0 fs/namespace.c:2816
                      SYSC_mount fs/namespace.c:3087 [inline]
                      SyS_mount+0xea/0x100 fs/namespace.c:3064
                      devtmpfs_mount+0x49/0x70 drivers/base/devtmpfs.c:357
                      prepare_namespace+0x1e4/0x210 init/do_mounts.c:603
                      kernel_init_freeable+0x38e/0x3ac init/main.c:1036
                      kernel_init+0x11/0x15e init/main.c:946
                      ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
    SOFTIRQ-ON-W at:
                      mark_irqflags kernel/locking/lockdep.c:2941 [inline]
                      __lock_acquire+0xbdd/0x4a10 kernel/locking/lockdep.c:3302
                      lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                      down_write+0x41/0xa0 kernel/locking/rwsem.c:52
                      ext4_release_file+0x25b/0x2e0 fs/ext4/file.c:50
                      __fput+0x263/0x700 fs/file_table.c:208
                      ____fput+0x15/0x20 fs/file_table.c:244
                      task_work_run+0x10c/0x180 kernel/task_work.c:116
                      tracehook_notify_resume include/linux/tracehook.h:191 [inline]
                      exit_to_usermode_loop+0x129/0x150 arch/x86/entry/common.c:162
                      prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
                      syscall_return_slowpath arch/x86/entry/common.c:263 [inline]
                      do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290
                      entry_SYSCALL_64_after_swapgs+0x5d/0xdb
    SOFTIRQ-ON-R at:
                      mark_irqflags kernel/locking/lockdep.c:2941 [inline]
                      __lock_acquire+0xbdd/0x4a10 kernel/locking/lockdep.c:3302
                      lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                      down_read+0x44/0xb0 kernel/locking/rwsem.c:22
                      ext4_map_blocks+0x361/0x16d0 fs/ext4/inode.c:533
                      ext4_getblk+0x2cc/0x450 fs/ext4/inode.c:943
                      ext4_find_entry+0xa94/0x12c0 fs/ext4/namei.c:1420
                      ext4_lookup+0x139/0x5e0 fs/ext4/namei.c:1559
                      lookup_slow+0x24a/0x470 fs/namei.c:1668
                      walk_component+0x822/0xcf0 fs/namei.c:1784
                      lookup_last fs/namei.c:2266 [inline]
                      path_lookupat.isra.10+0x186/0x410 fs/namei.c:2283
                      filename_lookup.part.18+0x177/0x370 fs/namei.c:2317
                      filename_lookup fs/namei.c:2310 [inline]
                      user_path_at_empty+0x53/0x70 fs/namei.c:2578
                      user_path include/linux/namei.h:60 [inline]
                      do_mount+0x134/0x28a0 fs/namespace.c:2816
                      SYSC_mount fs/namespace.c:3087 [inline]
                      SyS_mount+0xea/0x100 fs/namespace.c:3064
                      devtmpfs_mount+0x49/0x70 drivers/base/devtmpfs.c:357
                      prepare_namespace+0x1e4/0x210 init/do_mounts.c:603
                      kernel_init_freeable+0x38e/0x3ac init/main.c:1036
                      kernel_init+0x11/0x15e init/main.c:946
                      ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
    INITIAL USE at:
                     __lock_acquire+0x654/0x4a10 kernel/locking/lockdep.c:3306
                     lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                     down_read+0x44/0xb0 kernel/locking/rwsem.c:22
                     ext4_map_blocks+0x361/0x16d0 fs/ext4/inode.c:533
                     ext4_getblk+0x2cc/0x450 fs/ext4/inode.c:943
                     ext4_find_entry+0xa94/0x12c0 fs/ext4/namei.c:1420
                     ext4_lookup+0x139/0x5e0 fs/ext4/namei.c:1559
                     lookup_slow+0x24a/0x470 fs/namei.c:1668
                     walk_component+0x822/0xcf0 fs/namei.c:1784
                     lookup_last fs/namei.c:2266 [inline]
                     path_lookupat.isra.10+0x186/0x410 fs/namei.c:2283
                     filename_lookup.part.18+0x177/0x370 fs/namei.c:2317
                     filename_lookup fs/namei.c:2310 [inline]
                     user_path_at_empty+0x53/0x70 fs/namei.c:2578
                     user_path include/linux/namei.h:60 [inline]
                     do_mount+0x134/0x28a0 fs/namespace.c:2816
                     SYSC_mount fs/namespace.c:3087 [inline]
                     SyS_mount+0xea/0x100 fs/namespace.c:3064
                     devtmpfs_mount+0x49/0x70 drivers/base/devtmpfs.c:357
                     prepare_namespace+0x1e4/0x210 init/do_mounts.c:603
                     kernel_init_freeable+0x38e/0x3ac init/main.c:1036
                     kernel_init+0x11/0x15e init/main.c:946
                     ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
  }
  ... key      at: [<ffffffff8422f380>] __key.74437+0x0/0x40
  ... acquired at:
   lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
   down_write+0x41/0xa0 kernel/locking/rwsem.c:52
   ext4_map_blocks+0x6d3/0x16d0 fs/ext4/inode.c:605
   mpage_map_one_extent fs/ext4/inode.c:2387 [inline]
   mpage_map_and_submit_extent fs/ext4/inode.c:2443 [inline]
   ext4_writepages+0x1551/0x2e00 fs/ext4/inode.c:2783
   do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
   __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
   __filemap_fdatawrite mm/filemap.c:398 [inline]
   filemap_flush+0x23/0x30 mm/filemap.c:423
   ext4_alloc_da_blocks+0xd9/0x330 fs/ext4/inode.c:3157
   ext4_release_file+0x1ff/0x2e0 fs/ext4/file.c:42
   __fput+0x263/0x700 fs/file_table.c:208
   ____fput+0x15/0x20 fs/file_table.c:244
   task_work_run+0x10c/0x180 kernel/task_work.c:116
   tracehook_notify_resume include/linux/tracehook.h:191 [inline]
   exit_to_usermode_loop+0x129/0x150 arch/x86/entry/common.c:162
   prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
   syscall_return_slowpath arch/x86/entry/common.c:263 [inline]
   do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290
   entry_SYSCALL_64_after_swapgs+0x5d/0xdb

-> (&sbi->s_journal_flag_rwsem){.+.?.+} ops: 3396 {
   HARDIRQ-ON-R at:
                    mark_irqflags kernel/locking/lockdep.c:2929 [inline]
                    __lock_acquire+0xb79/0x4a10 kernel/locking/lockdep.c:3302
                    lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                    percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline]
                    percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
                    ext4_writepages+0x19e/0x2e00 fs/ext4/inode.c:2659
                    do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
                    __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
                    SyS_fadvise64_64+0x6db/0x7d0 mm/fadvise.c:123
                    SYSC_fadvise64 mm/fadvise.c:182 [inline]
                    SyS_fadvise64+0x2c/0x40 mm/fadvise.c:180
                    do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
                    entry_SYSCALL_64_after_swapgs+0x5d/0xdb
   IN-SOFTIRQ-R at:
                    mark_irqflags kernel/locking/lockdep.c:2923 [inline]
                    __lock_acquire+0x1084/0x4a10 kernel/locking/lockdep.c:3302
                    lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                    percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline]
                    percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
                    ext4_writepages+0x19e/0x2e00 fs/ext4/inode.c:2659
                    do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
                    __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
                    filemap_write_and_wait_range+0x59/0xb0 mm/filemap.c:578
                    __generic_file_fsync+0x93/0x1a0 fs/libfs.c:974
                    ext4_sync_file+0x659/0x10a0 fs/ext4/fsync.c:116
                    vfs_fsync_range+0x10c/0x260 fs/sync.c:195
                    generic_write_sync include/linux/fs.h:2607 [inline]
                    dio_complete+0x512/0x6c0 fs/direct-io.c:282
                    dio_bio_end_aio+0x11c/0x370 fs/direct-io.c:323
                    bio_endio+0x1a5/0x1f0 block/bio.c:1781
                    req_bio_endio block/blk-core.c:157 [inline]
                    blk_update_request+0x248/0x9b0 block/blk-core.c:2628
                    scsi_end_request+0x9d/0x5c0 drivers/scsi/scsi_lib.c:606
                    scsi_io_completion+0x273/0x17a0 drivers/scsi/scsi_lib.c:829
                    scsi_finish_command+0x3ba/0x530 drivers/scsi/scsi.c:607
                    scsi_softirq_done+0x250/0x360 drivers/scsi/scsi_lib.c:1567
                    blk_done_softirq+0x27d/0x3e0 block/blk-softirq.c:35
                    __do_softirq+0x20e/0x964 kernel/softirq.c:288
                    invoke_softirq kernel/softirq.c:368 [inline]
                    irq_exit+0x11c/0x150 kernel/softirq.c:409
                    exiting_irq arch/x86/include/asm/apic.h:669 [inline]
                    do_IRQ+0x10d/0x1c0 arch/x86/kernel/irq.c:252
                    ret_from_intr+0x0/0x20
                    __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline]
                    _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151
                    spin_lock include/linux/spinlock.h:302 [inline]
                    try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
                    ext4_releasepage+0x211/0x420 fs/ext4/inode.c:3306
                    try_to_release_page+0x138/0x1c0 mm/filemap.c:2941
                    block_invalidatepage+0x24a/0x2f0 fs/buffer.c:1565
                    ext4_invalidatepage+0x11c/0x3a0 fs/ext4/inode.c:3266
                    ext4_da_invalidatepage+0xc0/0xbb0 fs/ext4/inode.c:3111
                    do_invalidatepage mm/truncate.c:99 [inline]
                    truncate_complete_page mm/truncate.c:119 [inline]
                    truncate_inode_page+0x125/0x260 mm/truncate.c:167
                    truncate_inode_pages_range+0x2be/0x1060 mm/truncate.c:291
                    truncate_inode_pages mm/truncate.c:401 [inline]
                    truncate_pagecache+0x66/0x90 mm/truncate.c:706
                    ext4_setattr+0x1211/0x2170 fs/ext4/inode.c:5301
                    notify_change2+0xad7/0xe00 fs/attr.c:313
                    do_truncate2+0x13d/0x1f0 fs/open.c:63
                    handle_truncate fs/namei.c:2990 [inline]
                    do_last fs/namei.c:3419 [inline]
                    path_openat+0xb86/0x2790 fs/namei.c:3534
                    do_filp_open+0x197/0x270 fs/namei.c:3568
                    do_sys_open+0x30d/0x5c0 fs/open.c:1072
                    SYSC_open fs/open.c:1090 [inline]
                    SyS_open fs/open.c:1085 [inline]
                    SYSC_creat fs/open.c:1110 [inline]
                    SyS_creat+0x27/0x30 fs/open.c:1108
                    do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
                    entry_SYSCALL_64_after_swapgs+0x5d/0xdb
   SOFTIRQ-ON-R at:
                    mark_irqflags kernel/locking/lockdep.c:2941 [inline]
                    __lock_acquire+0xbdd/0x4a10 kernel/locking/lockdep.c:3302
                    lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                    percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline]
                    percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
                    ext4_writepages+0x19e/0x2e00 fs/ext4/inode.c:2659
                    do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
                    __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
                    SyS_fadvise64_64+0x6db/0x7d0 mm/fadvise.c:123
                    SYSC_fadvise64 mm/fadvise.c:182 [inline]
                    SyS_fadvise64+0x2c/0x40 mm/fadvise.c:180
                    do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
                    entry_SYSCALL_64_after_swapgs+0x5d/0xdb
   RECLAIM_FS-ON-R at:
                       mark_held_locks+0xc7/0x130 kernel/locking/lockdep.c:2660
                       __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline]
                       lockdep_trace_alloc+0x18e/0x2a0 kernel/locking/lockdep.c:2897
                       slab_pre_alloc_hook mm/slab.h:392 [inline]
                       slab_alloc_node mm/slub.c:2641 [inline]
                       slab_alloc mm/slub.c:2723 [inline]
                       kmem_cache_alloc+0x2d/0x2b0 mm/slub.c:2728
                       kmem_cache_zalloc include/linux/slab.h:626 [inline]
                       ext4_init_io_end+0x25/0x100 fs/ext4/page-io.c:252
                       ext4_writepages+0xcd0/0x2e00 fs/ext4/inode.c:2750
                       do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
                       __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
                       __filemap_fdatawrite mm/filemap.c:398 [inline]
                       filemap_flush+0x23/0x30 mm/filemap.c:423
                       ext4_alloc_da_blocks+0xd9/0x330 fs/ext4/inode.c:3157
                       ext4_release_file+0x1ff/0x2e0 fs/ext4/file.c:42
                       __fput+0x263/0x700 fs/file_table.c:208
                       ____fput+0x15/0x20 fs/file_table.c:244
                       task_work_run+0x10c/0x180 kernel/task_work.c:116
                       tracehook_notify_resume include/linux/tracehook.h:191 [inline]
                       exit_to_usermode_loop+0x129/0x150 arch/x86/entry/common.c:162
                       prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
                       syscall_return_slowpath arch/x86/entry/common.c:263 [inline]
                       do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290
                       entry_SYSCALL_64_after_swapgs+0x5d/0xdb
   INITIAL USE at:
                   __lock_acquire+0x654/0x4a10 kernel/locking/lockdep.c:3306
                   lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
                   percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline]
                   percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
                   ext4_writepages+0x19e/0x2e00 fs/ext4/inode.c:2659
                   do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
                   __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
                   SyS_fadvise64_64+0x6db/0x7d0 mm/fadvise.c:123
                   SYSC_fadvise64 mm/fadvise.c:182 [inline]
                   SyS_fadvise64+0x2c/0x40 mm/fadvise.c:180
                   do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
                   entry_SYSCALL_64_after_swapgs+0x5d/0xdb
 }
 ... key      at: [<ffffffff8422f680>] rwsem_key.75130+0x0/0x40
 ... acquired at:
   check_usage_forwards+0x14e/0x290 kernel/locking/lockdep.c:2493
   mark_lock_irq kernel/locking/lockdep.c:2610 [inline]
   mark_lock+0x6ec/0x1290 kernel/locking/lockdep.c:3065
   mark_irqflags kernel/locking/lockdep.c:2923 [inline]
   __lock_acquire+0x1084/0x4a10 kernel/locking/lockdep.c:3302
   lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
   percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline]
   percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
   ext4_writepages+0x19e/0x2e00 fs/ext4/inode.c:2659
   do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
   __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
   filemap_write_and_wait_range+0x59/0xb0 mm/filemap.c:578
   __generic_file_fsync+0x93/0x1a0 fs/libfs.c:974
   ext4_sync_file+0x659/0x10a0 fs/ext4/fsync.c:116
   vfs_fsync_range+0x10c/0x260 fs/sync.c:195
   generic_write_sync include/linux/fs.h:2607 [inline]
   dio_complete+0x512/0x6c0 fs/direct-io.c:282
   dio_bio_end_aio+0x11c/0x370 fs/direct-io.c:323
   bio_endio+0x1a5/0x1f0 block/bio.c:1781
   req_bio_endio block/blk-core.c:157 [inline]
   blk_update_request+0x248/0x9b0 block/blk-core.c:2628
   scsi_end_request+0x9d/0x5c0 drivers/scsi/scsi_lib.c:606
   scsi_io_completion+0x273/0x17a0 drivers/scsi/scsi_lib.c:829
   scsi_finish_command+0x3ba/0x530 drivers/scsi/scsi.c:607
   scsi_softirq_done+0x250/0x360 drivers/scsi/scsi_lib.c:1567
   blk_done_softirq+0x27d/0x3e0 block/blk-softirq.c:35
   __do_softirq+0x20e/0x964 kernel/softirq.c:288
   invoke_softirq kernel/softirq.c:368 [inline]
   irq_exit+0x11c/0x150 kernel/softirq.c:409
   exiting_irq arch/x86/include/asm/apic.h:669 [inline]
   do_IRQ+0x10d/0x1c0 arch/x86/kernel/irq.c:252
   ret_from_intr+0x0/0x20
   __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline]
   _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151
   spin_lock include/linux/spinlock.h:302 [inline]
   try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
   ext4_releasepage+0x211/0x420 fs/ext4/inode.c:3306
   try_to_release_page+0x138/0x1c0 mm/filemap.c:2941
   block_invalidatepage+0x24a/0x2f0 fs/buffer.c:1565
   ext4_invalidatepage+0x11c/0x3a0 fs/ext4/inode.c:3266
   ext4_da_invalidatepage+0xc0/0xbb0 fs/ext4/inode.c:3111
   do_invalidatepage mm/truncate.c:99 [inline]
   truncate_complete_page mm/truncate.c:119 [inline]
   truncate_inode_page+0x125/0x260 mm/truncate.c:167
   truncate_inode_pages_range+0x2be/0x1060 mm/truncate.c:291
   truncate_inode_pages mm/truncate.c:401 [inline]
   truncate_pagecache+0x66/0x90 mm/truncate.c:706
   ext4_setattr+0x1211/0x2170 fs/ext4/inode.c:5301
   notify_change2+0xad7/0xe00 fs/attr.c:313
   do_truncate2+0x13d/0x1f0 fs/open.c:63
   handle_truncate fs/namei.c:2990 [inline]
   do_last fs/namei.c:3419 [inline]
   path_openat+0xb86/0x2790 fs/namei.c:3534
   do_filp_open+0x197/0x270 fs/namei.c:3568
   do_sys_open+0x30d/0x5c0 fs/open.c:1072
   SYSC_open fs/open.c:1090 [inline]
   SyS_open fs/open.c:1085 [inline]
   SYSC_creat fs/open.c:1110 [inline]
   SyS_creat+0x27/0x30 fs/open.c:1108
   do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
   entry_SYSCALL_64_after_swapgs+0x5d/0xdb


stack backtrace:
CPU: 1 PID: 9352 Comm: syz-executor5 Tainted: G        W       4.9.141+ #1
 ffff8801db7072d0 ffffffff81b42e79 ffffffff84010e00 ffff8801db7073a0
 ffff8801d1b54740 0000000000000001 ffffffff84010e00 ffff8801db707320
 ffffffff813ff4da 0000000100000000 ffffffff83cab520 ffffffff83ca25b0
Call Trace:
 <IRQ> [  202.011796]  [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ> [  202.011796]  [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813ff4da>] print_irq_inversion_bug.cold.38+0x319/0x32d kernel/locking/lockdep.c:2468
 [<ffffffff81204efe>] check_usage_forwards+0x14e/0x290 kernel/locking/lockdep.c:2493
 [<ffffffff8120613c>] mark_lock_irq kernel/locking/lockdep.c:2610 [inline]
 [<ffffffff8120613c>] mark_lock+0x6ec/0x1290 kernel/locking/lockdep.c:3065
 [<ffffffff81208434>] mark_irqflags kernel/locking/lockdep.c:2923 [inline]
 [<ffffffff81208434>] __lock_acquire+0x1084/0x4a10 kernel/locking/lockdep.c:3302
 [<ffffffff8120c8d0>] lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
 [<ffffffff816d4b9e>] percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline]
 [<ffffffff816d4b9e>] percpu_down_read include/linux/percpu-rwsem.h:58 [inline]
 [<ffffffff816d4b9e>] ext4_writepages+0x19e/0x2e00 fs/ext4/inode.c:2659
 [<ffffffff81433d3f>] do_writepages+0xef/0x1d0 mm/page-writeback.c:2331
 [<ffffffff814119b9>] __filemap_fdatawrite_range+0x1a9/0x250 mm/filemap.c:390
 [<ffffffff81411c89>] filemap_write_and_wait_range+0x59/0xb0 mm/filemap.c:578
 [<ffffffff8158b803>] __generic_file_fsync+0x93/0x1a0 fs/libfs.c:974
 [<ffffffff816b5209>] ext4_sync_file+0x659/0x10a0 fs/ext4/fsync.c:116
 [<ffffffff815b195c>] vfs_fsync_range+0x10c/0x260 fs/sync.c:195
 [<ffffffff815cd622>] generic_write_sync include/linux/fs.h:2607 [inline]
 [<ffffffff815cd622>] dio_complete+0x512/0x6c0 fs/direct-io.c:282
 [<ffffffff815cd8ec>] dio_bio_end_aio+0x11c/0x370 fs/direct-io.c:323
 [<ffffffff81ab5f75>] bio_endio+0x1a5/0x1f0 block/bio.c:1781
 [<ffffffff81ad65d8>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81ad65d8>] blk_update_request+0x248/0x9b0 block/blk-core.c:2628
 [<ffffffff81e1c7ed>] scsi_end_request+0x9d/0x5c0 drivers/scsi/scsi_lib.c:606
 [<ffffffff81e257f3>] scsi_io_completion+0x273/0x17a0 drivers/scsi/scsi_lib.c:829
 [<ffffffff81e0871a>] scsi_finish_command+0x3ba/0x530 drivers/scsi/scsi.c:607
 [<ffffffff81e23d20>] scsi_softirq_done+0x250/0x360 drivers/scsi/scsi_lib.c:1567
 [<ffffffff81af449d>] blk_done_softirq+0x27d/0x3e0 block/blk-softirq.c:35
 [<ffffffff8281cb9e>] __do_softirq+0x20e/0x964 kernel/softirq.c:288
 [<ffffffff810efdbc>] invoke_softirq kernel/softirq.c:368 [inline]
 [<ffffffff810efdbc>] irq_exit+0x11c/0x150 kernel/softirq.c:409
 [<ffffffff82819b9d>] exiting_irq arch/x86/include/asm/apic.h:669 [inline]
 [<ffffffff82819b9d>] do_IRQ+0x10d/0x1c0 arch/x86/kernel/irq.c:252
 [<ffffffff8281819d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:461
 <EOI> [  202.510166]  [<ffffffff8120c913>] ? arch_local_irq_restore arch/x86/include/asm/paravirt.h:768 [inline]
 <EOI> [  202.510166]  [<ffffffff8120c913>] ? lock_acquire+0x173/0x3e0 kernel/locking/lockdep.c:3759
 [<ffffffff82816c26>] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline]
 [<ffffffff82816c26>] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151
 [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
 [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
 [<ffffffff816bfae1>] ext4_releasepage+0x211/0x420 fs/ext4/inode.c:3306
 [<ffffffff814102c8>] try_to_release_page+0x138/0x1c0 mm/filemap.c:2941
 [<ffffffff815b990a>] block_invalidatepage+0x24a/0x2f0 fs/buffer.c:1565
 [<ffffffff816bfe0c>] ext4_invalidatepage+0x11c/0x3a0 fs/ext4/inode.c:3266
 [<ffffffff816c6e00>] ext4_da_invalidatepage+0xc0/0xbb0 fs/ext4/inode.c:3111
 [<ffffffff81440665>] do_invalidatepage mm/truncate.c:99 [inline]
 [<ffffffff81440665>] truncate_complete_page mm/truncate.c:119 [inline]
 [<ffffffff81440665>] truncate_inode_page+0x125/0x260 mm/truncate.c:167
 [<ffffffff81440b0e>] truncate_inode_pages_range+0x2be/0x1060 mm/truncate.c:291
 [<ffffffff814419f6>] truncate_inode_pages mm/truncate.c:401 [inline]
 [<ffffffff814419f6>] truncate_pagecache+0x66/0x90 mm/truncate.c:706
 [<ffffffff816e5321>] ext4_setattr+0x1211/0x2170 fs/ext4/inode.c:5301
 [<ffffffff815682e7>] notify_change2+0xad7/0xe00 fs/attr.c:313
 [<ffffffff8150338d>] do_truncate2+0x13d/0x1f0 fs/open.c:63
 [<ffffffff8153cb86>] handle_truncate fs/namei.c:2990 [inline]
 [<ffffffff8153cb86>] do_last fs/namei.c:3419 [inline]
 [<ffffffff8153cb86>] path_openat+0xb86/0x2790 fs/namei.c:3534
 [<ffffffff81541617>] do_filp_open+0x197/0x270 fs/namei.c:3568
 [<ffffffff8150617d>] do_sys_open+0x30d/0x5c0 fs/open.c:1072
 [<ffffffff815064d7>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff815064d7>] SyS_open fs/open.c:1085 [inline]
 [<ffffffff815064d7>] SYSC_creat fs/open.c:1110 [inline]
 [<ffffffff815064d7>] SyS_creat+0x27/0x30 fs/open.c:1108
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:51
in_atomic(): 1, irqs_disabled(): 0, pid: 9352, name: syz-executor5
INFO: lockdep is turned off.
Preemption disabled at:[  202.784291] [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
Preemption disabled at:[  202.784291] [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
CPU: 1 PID: 9352 Comm: syz-executor5 Tainted: G        W       4.9.141+ #1
 ffff8801db707a20 ffffffff81b42e79 ffffffff815bd6e2 0000000000000000
 0000000000000101 ffff8801d1b54740 ffff8801d1b54740 ffff8801db707a58
 ffffffff813f9ecf ffff8801d1b54740 ffffffff82a4fa80 0000000000000033
Call Trace:
 <IRQ> [  202.827268]  [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ> [  202.827268]  [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813f9ecf>] ___might_sleep.cold.31+0x18a/0x1fc kernel/sched/core.c:7988
 [<ffffffff81167c85>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7945
 [<ffffffff828116d1>] down_write+0x21/0xa0 kernel/locking/rwsem.c:51
 [<ffffffff8158b831>] inode_lock include/linux/fs.h:766 [inline]
 [<ffffffff8158b831>] __generic_file_fsync+0xc1/0x1a0 fs/libfs.c:978
 [<ffffffff816b5209>] ext4_sync_file+0x659/0x10a0 fs/ext4/fsync.c:116
 [<ffffffff815b195c>] vfs_fsync_range+0x10c/0x260 fs/sync.c:195
 [<ffffffff815cd622>] generic_write_sync include/linux/fs.h:2607 [inline]
 [<ffffffff815cd622>] dio_complete+0x512/0x6c0 fs/direct-io.c:282
 [<ffffffff815cd8ec>] dio_bio_end_aio+0x11c/0x370 fs/direct-io.c:323
 [<ffffffff81ab5f75>] bio_endio+0x1a5/0x1f0 block/bio.c:1781
 [<ffffffff81ad65d8>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81ad65d8>] blk_update_request+0x248/0x9b0 block/blk-core.c:2628
 [<ffffffff81e1c7ed>] scsi_end_request+0x9d/0x5c0 drivers/scsi/scsi_lib.c:606
 [<ffffffff81e257f3>] scsi_io_completion+0x273/0x17a0 drivers/scsi/scsi_lib.c:829
 [<ffffffff81e0871a>] scsi_finish_command+0x3ba/0x530 drivers/scsi/scsi.c:607
 [<ffffffff81e23d20>] scsi_softirq_done+0x250/0x360 drivers/scsi/scsi_lib.c:1567
 [<ffffffff81af449d>] blk_done_softirq+0x27d/0x3e0 block/blk-softirq.c:35
 [<ffffffff8281cb9e>] __do_softirq+0x20e/0x964 kernel/softirq.c:288
 [<ffffffff810efdbc>] invoke_softirq kernel/softirq.c:368 [inline]
 [<ffffffff810efdbc>] irq_exit+0x11c/0x150 kernel/softirq.c:409
 [<ffffffff82819b9d>] exiting_irq arch/x86/include/asm/apic.h:669 [inline]
 [<ffffffff82819b9d>] do_IRQ+0x10d/0x1c0 arch/x86/kernel/irq.c:252
 [<ffffffff8281819d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:461
 <EOI> [  203.028870]  [<ffffffff8120c913>] ? arch_local_irq_restore arch/x86/include/asm/paravirt.h:768 [inline]
 <EOI> [  203.028870]  [<ffffffff8120c913>] ? lock_acquire+0x173/0x3e0 kernel/locking/lockdep.c:3759
 [<ffffffff82816c26>] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline]
 [<ffffffff82816c26>] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151
 [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
 [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287
 [<ffffffff816bfae1>] ext4_releasepage+0x211/0x420 fs/ext4/inode.c:3306
 [<ffffffff814102c8>] try_to_release_page+0x138/0x1c0 mm/filemap.c:2941
 [<ffffffff815b990a>] block_invalidatepage+0x24a/0x2f0 fs/buffer.c:1565
 [<ffffffff816bfe0c>] ext4_invalidatepage+0x11c/0x3a0 fs/ext4/inode.c:3266
 [<ffffffff816c6e00>] ext4_da_invalidatepage+0xc0/0xbb0 fs/ext4/inode.c:3111
 [<ffffffff81440665>] do_invalidatepage mm/truncate.c:99 [inline]
 [<ffffffff81440665>] truncate_complete_page mm/truncate.c:119 [inline]
 [<ffffffff81440665>] truncate_inode_page+0x125/0x260 mm/truncate.c:167
 [<ffffffff81440b0e>] truncate_inode_pages_range+0x2be/0x1060 mm/truncate.c:291
 [<ffffffff814419f6>] truncate_inode_pages mm/truncate.c:401 [inline]
 [<ffffffff814419f6>] truncate_pagecache+0x66/0x90 mm/truncate.c:706
 [<ffffffff816e5321>] ext4_setattr+0x1211/0x2170 fs/ext4/inode.c:5301
 [<ffffffff815682e7>] notify_change2+0xad7/0xe00 fs/attr.c:313
 [<ffffffff8150338d>] do_truncate2+0x13d/0x1f0 fs/open.c:63
 [<ffffffff8153cb86>] handle_truncate fs/namei.c:2990 [inline]
 [<ffffffff8153cb86>] do_last fs/namei.c:3419 [inline]
 [<ffffffff8153cb86>] path_openat+0xb86/0x2790 fs/namei.c:3534
 [<ffffffff81541617>] do_filp_open+0x197/0x270 fs/namei.c:3568
 [<ffffffff8150617d>] do_sys_open+0x30d/0x5c0 fs/open.c:1072
 [<ffffffff815064d7>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff815064d7>] SyS_open fs/open.c:1085 [inline]
 [<ffffffff815064d7>] SYSC_creat fs/open.c:1110 [inline]
 [<ffffffff815064d7>] SyS_creat+0x27/0x30 fs/open.c:1108
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: scheduling while atomic: syz-executor5/9352/0x00000102
INFO: lockdep is turned off.
Modules linked in:
Preemption disabled at:[  203.296874] [<ffffffff815bd6e2>] spin_lock include/linux/spinlock.h:302 [inline]
Preemption disabled at:[  203.296874] [<ffffffff815bd6e2>] try_to_free_buffers+0x142/0x290 fs/buffer.c:3287