From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 823271D0F76 for ; Mon, 21 Oct 2024 08:34:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729499671; cv=none; b=rKY9QJYLd/0GTtx2mNhN1f0qWRZKe6tw27rn2Evmpb+YOmA7NTicjk1W7Ax6flhH5KReO6s4JrqZGXrMI99LUQsqlRFRPEhMRUQe4kyIqMo9LWpxCd6za341HCVfrMcEJYbZa2uOolwKG8TktxGqKnirQBtpF2wDLp0baTNziJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729499671; c=relaxed/simple; bh=XU8o2WZZZAB7gSPAv2O20qXXZQ9Z1te3GzZRn0W0oTc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=dvQRk9GWedCIDcodv3WKpeYJElQHLEexhxGCs4aX3rvahkKzdOJf1snuv6Wt55iXNjUafJ7kRhrj726Gt87gvSlq7JfQ7xdsnSqKlYwFj01XGvA16pPOJLGF6UZtqKGhywkBLADWlKr/Yvy6jmhzLhUVOrD83h3sEMKDcNvRnik= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a3c70e58bfso33384335ab.3 for ; Mon, 21 Oct 2024 01:34:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729499668; x=1730104468; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=EMjfFkhxpj6Tyr8/Ow2y3KJJJ/7bNVau0WrSqtwkCAs=; b=iQe/Jdb83xY4gYyIoS3aBYsTYBt53p3v/Tg/jBXc2megAsky0BmBXl84H93it7s0VQ MB7Ln50mh4fX1bOzW1LSk3tqm//k1AA0lR3BS7QIPVXT6iYSY5XFz8S83U/eu7J370+Y nL7z8CNEaDovNjWXmc1z9bIexO8FBJZrQN8jFO0wVEdZrQq8UJwgTm3YqQX6soPy2Ecw OoYbLpJaEJG1hRjhB+J3mOpB7pDIiozM7DpqRtivFEFINry2BgCiSlK6ambi5WbzsUlY YVJShVby1eXHQocTe704pyfnEkxdxdLiybfyB8QUZCyCVPfF3iXUC+nGJkAt2kkws9oq 4EOQ== X-Forwarded-Encrypted: i=1; AJvYcCWhfnrCy0I1dd+LcGJzb0VG0izAgkMDZaEm+GQF20moLiHk42tPQB6SJ9+DNg/OcWn61jYJuX3MW1Z5RZA=@vger.kernel.org X-Gm-Message-State: AOJu0Yz65X4w3WKSygdtBVW8AQE8qS8Dv9TQa27E3vBI4+Vuf4d0zGHF 4h+24j585tG5nLNKTbcjAVVYZ6mlgWyvupZoWeFMtcNvJrRSBHbnuby5nuYDSyD4cgbB+dcWn+3 u2b+v1QxQRWltLxEdC2QanNgViJMU86adrgfy/T0hHnKziEaok3OQuf8= X-Google-Smtp-Source: AGHT+IH6pKUvJqlfItRP5S/8YUn7NiAOX/hauIj9Fm5rYracYxmLjFpilAeCZkIN0Rc3usLGK9IJUFvoijf17MWeWA+F99Rbq4mJ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d99:b0:3a0:9cd5:92f7 with SMTP id e9e14a558f8ab-3a3f409feb5mr76220495ab.17.1729499668417; Mon, 21 Oct 2024 01:34:28 -0700 (PDT) Date: Mon, 21 Oct 2024 01:34:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67161214.050a0220.1e4b4d.0051.GAE@google.com> Subject: [syzbot] [fs?] WARNING in vfs_set_acl From: syzbot To: brauner@kernel.org, jack@suse.cz, 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" Hello, syzbot found the following issue on: HEAD commit: 1d227fcc7222 Merge tag 'net-6.12-rc3' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=142b1fd0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=7cd9e7e4a8a0a15b dashboard link: https://syzkaller.appspot.com/bug?extid=0ec57cf5875fb74b1749 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/d3858ef614f2/disk-1d227fcc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c3bc0a9537f9/vmlinux-1d227fcc.xz kernel image: https://storage.googleapis.com/syzbot-assets/50778a472926/bzImage-1d227fcc.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0ec57cf5875fb74b1749@syzkaller.appspotmail.com DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88805ac19b98, owner = 0x0, curr 0xffff888028243c00, list empty WARNING: CPU: 1 PID: 6279 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline] WARNING: CPU: 1 PID: 6279 at kernel/locking/rwsem.c:1368 up_write+0x502/0x590 kernel/locking/rwsem.c:1630 Modules linked in: CPU: 1 UID: 0 PID: 6279 Comm: syz.5.261 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline] RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1630 Code: c7 c7 00 be 0a 8c 48 c7 c6 80 c0 0a 8c 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 d3 42 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 00 25 1d 90 80 e1 07 80 c1 03 RSP: 0018:ffffc900032efb20 EFLAGS: 00010292 RAX: 220090bc865dbe00 RBX: ffffffff8c0abee0 RCX: 0000000000040000 RDX: ffffc9000b6b1000 RSI: 000000000000a04b RDI: 000000000000a04c RBP: ffffc900032efc00 R08: ffffffff8155e402 R09: fffffbfff1cf9fd8 R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000000000 R13: ffff88805ac19b98 R14: 1ffff9200065df6c R15: dffffc0000000000 FS: 00007fbdc01a26c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f94b6826920 CR3: 0000000063cca000 CR4: 0000000000350ef0 Call Trace: inode_unlock include/linux/fs.h:820 [inline] vfs_set_acl+0x9c8/0xa60 fs/posix_acl.c:1143 do_setxattr fs/xattr.c:626 [inline] path_setxattr+0x3bd/0x4d0 fs/xattr.c:658 __do_sys_setxattr fs/xattr.c:676 [inline] __se_sys_setxattr fs/xattr.c:672 [inline] __x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:672 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbdbf37dff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbdc01a2038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fbdbf536058 RCX: 00007fbdbf37dff9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000100 RBP: 00007fbdbf3f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbdbf536058 R15: 00007ffc82e49b58 --- 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 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