From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EB0DC433EF for ; Fri, 10 Sep 2021 12:01:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E18BC6109F for ; Fri, 10 Sep 2021 12:01:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232901AbhIJMCl (ORCPT ); Fri, 10 Sep 2021 08:02:41 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:51005 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232992AbhIJMCh 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MIME-Version: 1.0 X-Received: by 2002:a92:c80e:: with SMTP id v14mr6265170iln.57.1631275286128; Fri, 10 Sep 2021 05:01:26 -0700 (PDT) Date: Fri, 10 Sep 2021 05:01:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f5edbe05cba2df23@google.com> Subject: [syzbot] memory leak in bsg_register_queue From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com 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: 0319b848b155 binfmt: a.out: Fix bogus semicolon git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1776fab5300000 kernel config: https://syzkaller.appspot.com/x/.config?x=4d196bb8b1e038c0 dashboard link: https://syzkaller.appspot.com/bug?extid=cfe9b7cf55bb54ed4e57 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b2e115300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f2147d300000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cfe9b7cf55bb54ed4e57@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff8881170d6200 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 23.430s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 62 0d 17 81 88 ff ff .........b...... 08 62 0d 17 81 88 ff ff 10 26 65 82 ff ff ff ff .b.......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170da100 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 23.360s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 31 00 00 00 00 00 00 00 00 00 8:0:0:1......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881157cde00 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 23.360s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 de 7c 15 81 88 ff ff ..........|..... 08 de 7c 15 81 88 ff ff 10 26 65 82 ff ff ff ff ..|......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff888110f3b620 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948968 (age 23.240s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 32 00 00 00 00 00 00 00 00 00 8:0:0:2......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff888114f6c160 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 24.710s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 30 00 00 00 00 00 00 00 00 00 8:0:0:0......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170d6200 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 24.710s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 62 0d 17 81 88 ff ff .........b...... 08 62 0d 17 81 88 ff ff 10 26 65 82 ff ff ff ff .b.......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170da100 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 24.640s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 31 00 00 00 00 00 00 00 00 00 8:0:0:1......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881157cde00 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 24.640s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 de 7c 15 81 88 ff ff ..........|..... 08 de 7c 15 81 88 ff ff 10 26 65 82 ff ff ff ff ..|......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff888114f6c160 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 28.480s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 30 00 00 00 00 00 00 00 00 00 8:0:0:0......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170d6200 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 28.480s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 62 0d 17 81 88 ff ff .........b...... 08 62 0d 17 81 88 ff ff 10 26 65 82 ff ff ff ff .b.......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170da100 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 28.410s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 31 00 00 00 00 00 00 00 00 00 8:0:0:1......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881157cde00 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 28.410s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 de 7c 15 81 88 ff ff ..........|..... 08 de 7c 15 81 88 ff ff 10 26 65 82 ff ff ff ff ..|......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff888114f6c160 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 29.750s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 30 00 00 00 00 00 00 00 00 00 8:0:0:0......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170d6200 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948949 (age 29.760s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 62 0d 17 81 88 ff ff .........b...... 08 62 0d 17 81 88 ff ff 10 26 65 82 ff ff ff ff .b.......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881170da100 (size 32): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 29.690s) hex dump (first 32 bytes): 38 3a 30 3a 30 3a 31 00 00 00 00 00 00 00 00 00 8:0:0:1......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 mm/util.c:60 [] kstrdup_const+0x53/0x80 mm/util.c:83 [] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [] dev_set_name+0x63/0x90 drivers/base/core.c:3147 [] bsg_register_queue+0xe1/0x1d0 block/bsg.c:201 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 0xffff8881157cde00 (size 256): comm "kworker/u4:4", pid 2996, jiffies 4294948956 (age 29.690s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 de 7c 15 81 88 ff ff ..........|..... 08 de 7c 15 81 88 ff ff 10 26 65 82 ff ff ff ff ..|......&e..... backtrace: [] kmalloc include/linux/slab.h:591 [inline] [] kzalloc include/linux/slab.h:721 [inline] [] device_private_init drivers/base/core.c:3203 [inline] [] device_add+0x89b/0xdf0 drivers/base/core.c:3253 [] cdev_device_add+0x84/0xe0 fs/char_dev.c:549 [] bsg_register_queue+0x10f/0x1d0 block/bsg.c:206 [] scsi_sysfs_add_sdev+0x13f/0x380 drivers/scsi/scsi_sysfs.c:1376 [] scsi_sysfs_add_devices drivers/scsi/scsi_scan.c:1727 [inline] [] scsi_finish_async_scan drivers/scsi/scsi_scan.c:1812 [inline] [] do_scan_async+0x109/0x200 drivers/scsi/scsi_scan.c:1855 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] 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 executing program executing program executing program executing program --- This report is generated by a bot. 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