From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 542C931E0E3 for ; Tue, 23 Sep 2025 08:55:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758617705; cv=none; b=W03o6cBVmO6GP5JfMZsWRMbJAlrX+Ti3GuMKPK7tfhG8zKCS6RhTDb3zk7+BBHHxiCwNKO1aQXPkuNjSRHrdWsFHKOH5sEboGC53JoihHAyiRSwatrbrLci+xQUTImZEL1mXdbtOI8pogoQMMwR6D5eRENFOZ7TRb5qqeXRCjvo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758617705; c=relaxed/simple; bh=DXQlJowcRFBZPhluBPiC1Zrx/U49JyzVn+5m9VxoX+4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=N2xRs3rAFLMZT5e4Cb2YJWOGuOTbL6rwXDWAHXcjxqMG8YUN/ZkfUMGDsAt9RV1jQDPnp1bjS5Iaee2YivGCx3nbyJUTsYbYFhWH3iw7pZ0MiCQAaijutz5yLfbtBA57I+YLXOB3mGYaMP5d/nfUvemc1OEDPzrrlJmZ0MWWPoo= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-8df2aa81574so104912839f.2 for ; Tue, 23 Sep 2025 01:55:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758617702; x=1759222502; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZjoZQqw6CRZesjFTMqUfi5tAwGxISXqHyO5s/obJZWA=; b=kFszPlS1jWEWoqf8wmI1twBj9azm+R5ZKEuZFxRaPlGdGkOF3S9sG2cwbKaHnm9eex Xxrd1uqXa3FyhGhgHIN1tn9kcfTpI6eIh8PZ8fA3COaThmcmZClTzYr3wPhbvD62zMJ2 jRfSdM6UBhPSGZuQZ9Hh0nBYXCCmFfNbrFCk6+hpGpNQam6V3hUbdZYJ+kMHmhznkP1J OPPKy1G2YT5qU+3Vpkvc7MN2K2T80CAV6N3wWxp6q7yD82nWLH2uW3/K3LPwd0nrofw2 qNLo2i839pEo7VgG+k03knuXInVA6gijeFepQxghrlNPjg+vuOTxTJiYAkpFUeIZUla7 Q9jQ== X-Forwarded-Encrypted: i=1; AJvYcCXnJWOAt958qF6+9E6D5QA9hTA3LYM9oUdCkTkc6GoZCVpzVwE7zmuiRsaaSEpH4W984otL+k1engo9Ukw=@vger.kernel.org X-Gm-Message-State: AOJu0YyBOXL/p/pOPZhcl9PkJoBMCxYTtqxXy7joUVY6xS8lA+Z+8WQh UZewinktAx3ZwgRLcTXXSp5Bl3WgLf8//l165S7agkh9vCX72wb44d/TlDkUOL4qmKUHebIHHKa mIhjQZvjqE2SIZ9ceQA06KwGzFQTDD/hu2YFYHGriiMXuJawRmIKJi6rU3Qg= X-Google-Smtp-Source: AGHT+IFpBgMHseKozChNY0XMytOE9lxBERX10w7/i5gGoIF/y1MPiqBX80/S8wWyTBtFcCeH68/hy16sqcPUhnJ8jZXBXh/kcRhM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a5d:8992:0:b0:887:45ad:fcc6 with SMTP id ca18e2360f4ac-8e202540344mr289049339f.15.1758617702389; Tue, 23 Sep 2025 01:55:02 -0700 (PDT) Date: Tue, 23 Sep 2025 01:55:02 -0700 In-Reply-To: <20250923083522.1086124-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68d26066.050a0220.139b6.0025.GAE@google.com> Subject: Re: [syzbot] [ext4?] WARNING in ext4_xattr_block_set (3) From: syzbot To: kartikey406@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in ext4_xattr_inode_update_ref loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): orphan cleanup on readonly fs EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2851: Unable to expand inode 15. Delete some EAs or run e2fsck. ------------[ cut here ]------------ EA inode 11 i_nlink=2 WARNING: CPU: 1 PID: 6503 at fs/ext4/xattr.c:1053 ext4_xattr_inode_update_ref+0x534/0x5d0 fs/ext4/xattr.c:1051 Modules linked in: CPU: 1 UID: 0 PID: 6503 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:ext4_xattr_inode_update_ref+0x534/0x5d0 fs/ext4/xattr.c:1051 Code: 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 0f 85 86 00 00 00 41 8b 14 24 48 c7 c7 e0 70 1f 8b 4c 89 fe e8 ed 87 07 ff 90 <0f> 0b 90 90 48 bb 00 00 00 00 00 fc ff df e9 bb fd ff ff e8 74 59 RSP: 0018:ffffc900042af2e0 EFLAGS: 00010246 RAX: ce552e21466e5d00 RBX: dffffc0000000000 RCX: ffff88802f2e8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900042af3d0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124863 R12: ffff888057ec8f58 R13: 1ffff1100afd91eb R14: 00000000ffffffff R15: 000000000000000b FS: 00007f61d52b66c0(0000) GS:ffff8881269bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c2b6a1000 CR3: 0000000025d4e000 CR4: 00000000003526f0 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1076 [inline] ext4_xattr_inode_dec_ref_all+0x867/0xda0 fs/ext4/xattr.c:1218 ext4_xattr_delete_inode+0xa4c/0xc10 fs/ext4/xattr.c:2945 ext4_evict_inode+0xac9/0xee0 fs/ext4/inode.c:271 evict+0x501/0x9c0 fs/inode.c:810 ext4_orphan_cleanup+0xc20/0x1460 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5609 [inline] ext4_fill_super+0x57fa/0x60b0 fs/ext4/super.c:5728 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1692 vfs_get_tree+0x8f/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3808 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f61d5c5066a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f61d52b5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f61d52b5ef0 RCX: 00007f61d5c5066a RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007f61d52b5eb0 RBP: 0000200000000180 R08: 00007f61d52b5ef0 R09: 000000000080078b R10: 000000000080078b R11: 0000000000000246 R12: 00002000000001c0 R13: 00007f61d52b5eb0 R14: 0000000000000473 R15: 0000200000000680 Tested on: commit: cec1e6e5 Merge tag 'sched_ext-for-6.17-rc7-fixes' of g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16fd04e2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f5b21423ca3f0a96 dashboard link: https://syzkaller.appspot.com/bug?extid=4c9d23743a2409b80293 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=132d04e2580000