From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa2-f1.google.com (mail-oa2-f1.google.com [74.125.231.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1FBBD472092 for ; Wed, 2 Sep 2026 16:33:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.231.65 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788366813; cv=none; b=pA4TLy8nZ5Bn+Ti4ArrNA04k2LM2ufFO4BQ+OCV1vQOd5FNNm6k2NB/4CfQK611QHPdzU95niIwGjeC0m7r10r+/qDCZd9QIEAsSizsYX1Mfnzfef88Wrv2aa7PydyPpwXgNagoBIk1zu+0+JxAylGZ2yucsOAVHRB92Q7nYTEs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788366813; c=relaxed/simple; bh=MkkTiAfIa+S9u79RbxCV3aOQkSt/YQ+M7pZsqqSd4b4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=q8tkbG9Dm3e8+8h3ag0+g2FywKyUhhtZx201T0ixP1Sbh0NLFG5LMr9AHvMM/qNGGjswL4vwt7y7o69zDrLKBug0qtAoEgc5vPEJNwuUgATPozs+Gnb+YIAXUKIgadZP0PLofKmsiNdUeMC9gOboU5QmmWOBmDKBkELNPat42XI= ARC-Authentication-Results:i=1; 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AHgh+RoR0UIb1Aqb7TEC+fi6XsfTOAG0t1KLgi428nwAs8tXu9wCjti3L4kP3hUt8YHYMwlQbIeN1VlbteRxp/k=@vger.kernel.org X-Gm-Message-State: AFuF++k27IGMxbrheWxsTYJ96MENrf/O4fatS/cgesSPpcq1xUHxprq8 Z96pdIT+Q8BM+MpobUOaz7dlwIIQTib5dZpJc/yn5i/+6wGw4sFNJLPyNyWn/2AnmrCd0hcBtWw RIvhvGx0a4PzoVYXtJRSU+lMT3l+yTKvOSA1xfbeEpibDUFZA6xF+z+7TyGk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1c9d:b0:6b1:7ee2:da31 with SMTP id 006d021491bc7-6b47f51cb13mr3937048eaf.11.1788366810974; Wed, 02 Sep 2026 09:33:30 -0700 (PDT) Date: Wed, 02 Sep 2026 09:33:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a984fda.27a413cd.1e878c.000a.GAE@google.com> Subject: [syzbot] [autofs?] memory leak in autofs_new_ino From: syzbot To: autofs@vger.kernel.org, linux-kernel@vger.kernel.org, raven@themaw.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 8d3ae59288f1 Linux 7.2 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1784b6c6580000 kernel config: https://syzkaller.appspot.com/x/.config?x=11ad91fcc8fa7933 dashboard link: https://syzkaller.appspot.com/bug?extid=df1db6e034b3953e19f5 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11dc9a25580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1670b949580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/735a458674ac/disk-8d3ae592.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fbf50adb0745/vmlinux-8d3ae592.xz kernel image: https://storage.googleapis.com/syzbot-assets/6effa5f7f690/bzImage-8d3ae592.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+df1db6e034b3953e19f5@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff8881146ebc00 (size 192): comm "syz.0.20", pid 5969, jiffies 4294943196 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 55e8e63e): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4597 [inline] slab_alloc_node mm/slub.c:4917 [inline] __kmalloc_cache_noprof+0x356/0x440 mm/slub.c:5485 _kmalloc_noprof include/linux/slab.h:988 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] autofs_new_ino+0x24/0x80 fs/autofs/inode.c:16 autofs_fill_super+0x66/0x1d0 fs/autofs/inode.c:321 vfs_get_super fs/super.c:1273 [inline] get_tree_nodev+0x91/0xf0 fs/super.c:1292 autofs_get_tree+0xbc/0x120 fs/autofs/inode.c:378 vfs_get_tree+0x30/0x120 fs/super.c:1700 vfs_cmd_create+0x7d/0x120 fs/fsopen.c:231 vfs_fsconfig_locked fs/fsopen.c:295 [inline] __do_sys_fsconfig+0x492/0x9e0 fs/fsopen.c:463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF --- 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 report is already addressed, 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 report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup