From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E888B28E7 for ; Thu, 7 Sep 2023 16:16:25 +0000 (UTC) Received: from mail-oi1-f207.google.com (mail-oi1-f207.google.com [209.85.167.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79023526F for ; Thu, 7 Sep 2023 09:16:01 -0700 (PDT) Received: by mail-oi1-f207.google.com with SMTP id 5614622812f47-3a1c2d69709so1377066b6e.1 for ; Thu, 07 Sep 2023 09:16:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1694103297; x=1694708097; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=zW5qhnjQmXuAaFU5fKwA/lEli7GsBu/PGJfxRXG3SHY=; b=FQvUu0pPkX5dxCY0fvsnh8FwK4XCuZWSTIiZlqlyA/08Qq2mCHJ9huDaBD/bI66Il8 8pVzp+kz/AQmPYfiZMPHBUBb9I6GfWEFPzyc1UkuWqcF8U5fv4QiXcEXHEb+knxdOOTS 4MeVvyJuM0DRcjZx5tti1r5ZiEsUoeooV6eY2dMrX86Hdw9h2akX2QWooPWV9XOStbwc kHqD5E+Q/OTGL2huHkuFUL5Q47Ng2ItlAycXRL0+wK2yBy8UAk0t+4UX8p4JDlHZUBN3 LBgaOhS+ih0j5eRJpUO3r6GYQ/JOw7dxvaiWuYtqySB6LyUlHZahYNSHh+/zerRU9OUy Tv1A== X-Gm-Message-State: AOJu0YwUIwxa+8Kmgzgl2yo1rp224i2zB5+WSskVFV0b1t6sCiuntZSV Am9fB5F8kdcm7t2g7lVJTJxxvf6eslqaAXxiSQGHg3ZN3ziO X-Google-Smtp-Source: AGHT+IG5wTTGmmZiHOULSKMs/aQJzNoUO7ZR1DHaaynqV/kIsxBQ60kNClLJ4OvCsCznerNQ8nbBG5G2Y/WjgpejAQ1X+NCllgum Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a63:7d03:0:b0:569:356c:f365 with SMTP id y3-20020a637d03000000b00569356cf365mr3738671pgc.12.1694075041155; Thu, 07 Sep 2023 01:24:01 -0700 (PDT) Date: Thu, 07 Sep 2023 01:24:01 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000d1dbf0604c09577@google.com> Subject: [syzbot] [wireless?] [net?] memory leak in restore_regulatory_settings From: syzbot To: davem@davemloft.net, edumazet@google.com, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=2.4 required=5.0 tests=BAYES_00,DATE_IN_PAST_06_12, FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hello, syzbot found the following issue on: HEAD commit: 92901222f83d Merge tag 'f2fs-for-6-6-rc1' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17c340b8680000 kernel config: https://syzkaller.appspot.com/x/.config?x=3544ee7492950dd3 dashboard link: https://syzkaller.appspot.com/bug?extid=68849d5e4a6e74f32c06 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13fe378fa80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11bf6f7ba80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7b5db23b3ecc/disk-92901222.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/135d82cfd540/vmlinux-92901222.xz kernel image: https://storage.googleapis.com/syzbot-assets/6e1b0da81493/bzImage-92901222.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+68849d5e4a6e74f32c06@syzkaller.appspotmail.com write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory BUG: memory leak unreferenced object 0xffff88810f8a4e80 (size 64): comm "kworker/0:1", pid 9, jiffies 4294945857 (age 8.050s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ ff ff ff ff 00 00 00 00 00 00 00 00 30 30 00 00 ............00.. backtrace: [] kmalloc_trace+0x25/0x90 mm/slab_common.c:1114 [] kmalloc include/linux/slab.h:599 [inline] [] kzalloc include/linux/slab.h:720 [inline] [] regulatory_hint_core net/wireless/reg.c:3218 [inline] [] restore_regulatory_settings+0x820/0xa80 net/wireless/reg.c:3552 [] crda_timeout_work+0x21/0x30 net/wireless/reg.c:540 [] process_one_work+0x23d/0x530 kernel/workqueue.c:2630 [] process_scheduled_works kernel/workqueue.c:2703 [inline] [] worker_thread+0x327/0x590 kernel/workqueue.c:2784 [] kthread+0x12b/0x170 kernel/kthread.c:388 [] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147 [] ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 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. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup