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X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000087bc5805ce370846@google.com> Subject: [syzbot] memory leak in __lookup_slow From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 741668ef7832 Merge tag 'usb-5.15-rc5' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=147be92f300000 kernel config: https://syzkaller.appspot.com/x/.config?x=9003c6f0b271a26c dashboard link: https://syzkaller.appspot.com/bug?extid=fa2fdb06a9489df021a7 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a35b14b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ffd62f300000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fa2fdb06a9489df021a7@syzkaller.appspotmail.com 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] __d_alloc+0x2a/0x270 fs/dcache.c:1744 [] d_alloc+0x25/0xd0 fs/dcache.c:1823 [] d_alloc_parallel+0x6b/0x920 fs/dcache.c:2575 [] __lookup_slow+0x77/0x1f0 fs/namei.c:1642 [] lookup_slow fs/namei.c:1674 [inline] [] walk_component+0x1f2/0x2a0 fs/namei.c:1970 [] lookup_last fs/namei.c:2425 [inline] [] path_lookupat+0xc6/0x330 fs/namei.c:2449 [] filename_lookup+0xff/0x2a0 fs/namei.c:2478 [] user_path_at_empty+0x42/0x60 fs/namei.c:2801 [] user_path_at include/linux/namei.h:57 [inline] [] vfs_statx+0xcc/0x1f0 fs/stat.c:221 [] vfs_fstatat fs/stat.c:243 [inline] [] vfs_lstat include/linux/fs.h:3356 [inline] [] __do_sys_newlstat+0x43/0xa0 fs/stat.c:398 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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: [] kmem_cache_zalloc include/linux/slab.h:711 [inline] [] ext4_mb_pa_alloc fs/ext4/mballoc.c:5046 [inline] [] ext4_mb_new_blocks+0xd5b/0x18b0 fs/ext4/mballoc.c:5581 [] ext4_ext_map_blocks+0xdfd/0x2940 fs/ext4/extents.c:4250 [] ext4_map_blocks+0x333/0xb10 fs/ext4/inode.c:637 [] mpage_map_one_extent fs/ext4/inode.c:2393 [inline] [] mpage_map_and_submit_extent fs/ext4/inode.c:2446 [inline] [] ext4_writepages+0xc8b/0x19c0 fs/ext4/inode.c:2798 [] do_writepages+0xfa/0x2a0 mm/page-writeback.c:2364 [] __writeback_single_inode+0x6e/0x520 fs/fs-writeback.c:1616 [] writeback_sb_inodes+0x2d4/0x710 fs/fs-writeback.c:1881 [] __writeback_inodes_wb+0x5b/0x150 fs/fs-writeback.c:1950 [] wb_writeback+0x3ff/0x470 fs/fs-writeback.c:2055 [] wb_check_old_data_flush fs/fs-writeback.c:2155 [inline] [] wb_do_writeback fs/fs-writeback.c:2208 [inline] [] wb_workfn+0x3fa/0x760 fs/fs-writeback.c:2237 [] process_one_work+0x2cf/0x620 kernel/workqueue.c:2297 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2444 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] 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 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches