From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 462F626B761 for ; Mon, 20 Oct 2025 07:22:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760944977; cv=none; b=azpr/Uoc9gwVCIuZJH2rkGJ+JJ1e03HgIsqXq2l3ZteD4MOotmH7AU4hogVbLtwBhf/HaGI9cPZM5OikNJlTHAItzLsKXOZK/DElLIkeZH5p2lj5x6NmUFmLBFsCkpAUyWTe5OA6yqenO4RRfvoBHRaRuFD5wAlC557S18RZks0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760944977; c=relaxed/simple; bh=o+/bmb1lwhmANRQ3GMKe2UlStGYtljIoyKcanpPIeh8=; h=Date:From:To:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=nVS/z3mUv25VyFdC+B6Zc8rudIvageu5t2BkOutejbitKYRKHMNQ06100wb0hI5mIIb+X4fC7TF5yym2q6hoV7jrkYkBeH9rpho1GrxzZNVHUcY1iaL8vZ1s46FVtWabpgJjLLArPl0VDiZQ5u7GJVHrXi9G+200EF0KD6t3vzc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=FLzH3keM; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="FLzH3keM" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:MIME-Version:Message-ID:Subject:To:From:Date:Sender:Reply-To:Cc: Content-ID:Content-Description:In-Reply-To:References; bh=UYBKaBABmEwTaUDF/bTR2zLYC6MXWabgOyrHs9bL9yg=; b=FLzH3keM5ATi/aa5ctVHJQkzPe B2rHxDHS/kZhudYyVmuQA87VOWVt6EptSSTSXVSqnp9PyilQPql9P+sGlReYOvlDxau3HEaNjChzC V3/4DgNofOYOoagMDO4bpggd8OtfMTokvk9sMOAiK1xqgTzYYr9BZXf8IUu512T834xLAdnoJSpeF HbniIGMBAQkr9YvR4ag5fHAxuXIERF+dB0HKZfJtyFAr8m/Fdn0bid3CE1o/6QaJwjgqmakl9Jtoi PmxtlzJJWVHl8Z1XlEa2NIO0dBal1qXrAidSUs+QAChqMKBUx2Rp/X/zELqLizt6tlgZzbWfek0qs 5r9HWNbQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vAkEJ-0000000CCCA-3vbd for linux-btrfs@vger.kernel.org; Mon, 20 Oct 2025 07:22:55 +0000 Date: Mon, 20 Oct 2025 00:22:55 -0700 From: Christoph Hellwig To: linux-btrfs@vger.kernel.org Subject: btrfs/071 is unhappy on 6.18-rc2 Message-ID: Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html I just kicked off a baseline run with the xfstests volume group and a SCRATCH_DEV_POOL with 5 virtual nvme devices to test a VFS change that affects іt a little, and it does not seem too happy. btrfs/071 gets into slab poisoning: [ 279.241695] BTRFS info (device nvme1n1 state M): use zlib compression, level 3 [ 279.247651] Oops: general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6d73:I [ 279.250656] CPU: 1 UID: 0 PID: 82037 Comm: btrfs-cleaner Tainted: GN 6.18.0-rc2 [ 279.250656] Tainted: [N]=TEST [ 279.250656] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/4 [ 279.250656] RIP: 0010:btrfs_kill_all_delayed_nodes+0x145/0x1e0 [ 279.250656] Code: 08 48 c1 e5 03 4b 8b 5c 3d 00 48 89 df e8 23 d0 ff ff 48 85 db 74 0f 4a 8d 54 3c0 [ 279.250656] RSP: 0018:ffffc9000138bdc0 EFLAGS: 00010246 [ 279.250656] RAX: 6b6b6b6b6b6b6b6b RBX: ffff88810dad3d58 RCX: 0000000000000000 [ 279.250656] RDX: 0000000000000001 RSI: 0000000000000286 RDI: 00000000ffffffff [ 279.250656] RBP: 0000000000000008 R08: ffff88810dad3f60 R09: ffff88810dad3f10 [ 279.250656] R10: 000000000000000d R11: ffff88810dad3d58 R12: ffff88811bdfbc18 [ 279.250656] R13: ffffc9000138bdc8 R14: ffff88811bdfb800 R15: 0000000000000000 [ 279.250656] FS: 0000000000000000(0000) GS:ffff8883ef66a000(0000) knlGS:0000000000000000 [ 279.250656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 279.250656] CR2: 00007fcba10194c8 CR3: 00000001217a3002 CR4: 0000000000772ef0 [ 279.250656] PKRU: 55555554 [ 279.250656] Call Trace: [ 279.250656] [ 279.250656] ? __schedule+0x52c/0xb60 [ 279.250656] btrfs_clean_one_deleted_snapshot+0x72/0x100 [ 279.250656] cleaner_kthread+0xd3/0x150 [ 279.250656] ? __pfx_cleaner_kthread+0x10/0x10 [ 279.250656] kthread+0x109/0x220 [ 279.250656] ? __pfx_kthread+0x10/0x10 [ 279.250656] ? __pfx_kthread+0x10/0x10 [ 279.250656] ret_from_fork+0x120/0x160 [ 279.250656] ? __pfx_kthread+0x10/0x10 [ 279.250656] ret_from_fork_asm+0x1a/0x30 [ 279.250656] [ 279.250656] Modules linked in: kvm_intel kvm irqbypass [ 279.277534] ---[ end trace 0000000000000000 ]--- similar things repeat a few times, and then it loops basically forever doing device replacements, I waited for 30 minutes before killing it.