From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 45DC04C81; Thu, 15 Jan 2026 17:23:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768497804; cv=none; b=SUTaM4YZJ6DwV5BERLQa2JW4zxGA09VlXJit0JpJ7119U68OCgLLFbIglmOWVZaqnCbyT1X4QxPvYAyX9Sa5q1c3qDe/iRWbqz58hz4hLQdRuN8+C7JGf97VE7CfdHNiIyWc5Y8tHD5qQS9KNgzWvlULnRkEf9mlwCQcTDgZP5I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768497804; c=relaxed/simple; bh=0NAilvdNgoUt6kO3svJ6ir5lHbGu7f4bQ9hUWdSvG+E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AmWlW2M9u6q9aKUELI+8SK7Mz+z8y53PZm3S2Qj5hGghxGhikDv+hiD8YQ/bhRN2em0/nEGUVoSszvkwOL0ZtNqbtofbEpJTlaY55ovB1zJsNuEVwm16qupY7iaSp4ZhGByYlNS6meG/a3IIWICLjNvebcAKyoUSjAOB644i3hk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=YUg5APX7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YUg5APX7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C61D6C19422; Thu, 15 Jan 2026 17:23:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768497804; bh=0NAilvdNgoUt6kO3svJ6ir5lHbGu7f4bQ9hUWdSvG+E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YUg5APX7ODe8oJpIWSS1xlnF7qtuEJLffFtXjydcw88aMxKk15iyEe/UKFjQ5A9na 1udzSJW7nT4TM0+gjAy0Kh0F7Mzq1O9ccXIPMAqIZfRUkuDxE11VW9BXvkk8yd619c 8Q/F0Z3fCrV4i2K1QUawSPGk3z1+E9If9zs0g3dQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jonathan Curley , Trond Myklebust , Sasha Levin Subject: [PATCH 5.15 176/554] NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Date: Thu, 15 Jan 2026 17:44:02 +0100 Message-ID: <20260115164252.639517327@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jonathan Curley [ Upstream commit e0f8058f2cb56de0b7572f51cd563ca5debce746 ] Fixes a crash when layout is null during this call stack: write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode pnfs_set_layoutcommit relies on the lseg refcount to keep the layout around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt to reference a null layout. Fixes: fe1cf9469d7bc ("pNFS: Clear all layout segment state in pnfs_mark_layout_stateid_invalid") Signed-off-by: Jonathan Curley Signed-off-by: Trond Myklebust Signed-off-by: Sasha Levin --- fs/nfs/pnfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index ef273b71f0198..50d608f6c6906 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -465,6 +465,7 @@ pnfs_mark_layout_stateid_invalid(struct pnfs_layout_hdr *lo, struct pnfs_layout_segment *lseg, *next; set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); + clear_bit(NFS_INO_LAYOUTCOMMIT, &NFS_I(lo->plh_inode)->flags); list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) pnfs_clear_lseg_state(lseg, lseg_list); pnfs_clear_layoutreturn_info(lo); -- 2.51.0