syzbot


memory leak in __lookup_slow

Status: upstream: reported C repro on 2021/10/13 07:37
Reported-by: syzbot+fa2fdb06a9489df021a7@syzkaller.appspotmail.com
First crash: 362d, last: 38d
Patch testing requests:
Created Duration User Patch Repo Result
2021/10/14 07:53 16m phind.uet@gmail.com linux-next OK

Sample crash report:
BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 509.760s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.370s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.370s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.370s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 509.930s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.550s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.550s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.550s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 510.110s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.730s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.730s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.730s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 510.290s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.920s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.920s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 473.920s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 510.470s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.100s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.100s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.100s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 510.650s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.270s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.270s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.270s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 510.830s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.460s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.460s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.460s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111fb2b40 (size 192):
  comm "systemd-udevd", pid 4481, jiffies 4294939632 (age 511.010s)
  hex dump (first 32 bytes):
    04 80 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 70 60 00 81 88 ff ff  .........p`.....
  backtrace:
    [<ffffffff8159e60a>] __d_alloc+0x2a/0x270 fs/dcache.c:1744
    [<ffffffff8159e875>] d_alloc+0x25/0xd0 fs/dcache.c:1823
    [<ffffffff815a369b>] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575
    [<ffffffff81587407>] __lookup_slow+0x77/0x1f0 fs/namei.c:1642
    [<ffffffff8158c532>] lookup_slow fs/namei.c:1674 [inline]
    [<ffffffff8158c532>] walk_component+0x1f2/0x2a0 fs/namei.c:1970
    [<ffffffff8158d1b6>] lookup_last fs/namei.c:2425 [inline]
    [<ffffffff8158d1b6>] path_lookupat+0xc6/0x330 fs/namei.c:2449
    [<ffffffff81590eff>] filename_lookup+0xff/0x2a0 fs/namei.c:2478
    [<ffffffff815911c2>] user_path_at_empty+0x42/0x60 fs/namei.c:2801
    [<ffffffff8157c28c>] user_path_at include/linux/namei.h:57 [inline]
    [<ffffffff8157c28c>] vfs_statx+0xcc/0x1f0 fs/stat.c:221
    [<ffffffff8157c673>] vfs_fstatat fs/stat.c:243 [inline]
    [<ffffffff8157c673>] vfs_lstat include/linux/fs.h:3356 [inline]
    [<ffffffff8157c673>] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398
    [<ffffffff843fddc5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fddc5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888112a849c0 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.630s)
  hex dump (first 32 bytes):
    58 58 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  XX......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a28 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.630s)
  hex dump (first 32 bytes):
    c0 53 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  .S......".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888112a84a90 (size 104):
  comm "kworker/u4:3", pid 948, jiffies 4294943272 (age 474.630s)
  hex dump (first 32 bytes):
    98 98 8a 12 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
  backtrace:
    [<ffffffff817773cb>] kmem_cache_zalloc include/linux/slab.h:711 [inline]
    [<ffffffff817773cb>] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline]
    [<ffffffff817773cb>] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581
    [<ffffffff81731d2d>] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250
    [<ffffffff81754a03>] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637
    [<ffffffff8175c22b>] mpage_map_one_extent fs/ext4/inode.c:2393 [inline]
    [<ffffffff8175c22b>] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline]
    [<ffffffff8175c22b>] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798
    [<ffffffff8145d19a>] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364
    [<ffffffff815cbdbe>] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616
    [<ffffffff815cc924>] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881
    [<ffffffff815ccdbb>] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950
    [<ffffffff815cd2af>] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055
    [<ffffffff815ced0a>] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline]
    [<ffffffff815ced0a>] wb_do_writeback fs/fs-writeback.c:2208 [inline]
    [<ffffffff815ced0a>] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237
    [<ffffffff81265d0f>] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297
    [<ffffffff81266619>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444
    [<ffffffff8126fb18>] kthread+0x188/0x1d0 kernel/kthread.c:319
    [<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-gce-leak 2021/10/09 07:32 upstream 741668ef7832 efe0f24d .config log report syz C memory leak in __lookup_slow
ci-upstream-gce-leak 2022/08/29 19:59 upstream b90cb1053190 5b44472d .config log report syz memory leak in __lookup_slow
* Struck through repros no longer work on HEAD.