From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88BEAC433E1 for ; Fri, 21 Aug 2020 16:22:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62FC420578 for ; Fri, 21 Aug 2020 16:22:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026959; bh=bkRavVFpTPtA7mxRw6h58U2ccbQ4OPkXmakbbWJKE7Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=V9aafeTOv98JzL0uS3B5/4eO8K2SQB5ZlNy/2kENGzGM3o+4B+70yu3h6TNrnxUJw E+KyWKwwzrV+c5+jqZHNC436BcbnRXzT5P/AbeLN1jKWuA5wWw58WMd8cszEyON+qj V+pfwKO2HODztGsxHIi5XiCT+yg6w8RFnOlFCQRY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728506AbgHUQWg (ORCPT ); Fri, 21 Aug 2020 12:22:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:50114 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727107AbgHUQRi (ORCPT ); Fri, 21 Aug 2020 12:17:38 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CBD0022CBB; Fri, 21 Aug 2020 16:17:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026657; bh=bkRavVFpTPtA7mxRw6h58U2ccbQ4OPkXmakbbWJKE7Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jZ+KQXD/hlA67u6+noox3eQhN/6zwKlEnqgyTy662A/xWdDEOmmeW0lK8sKh3qKDn dc2nh5Pv5/4G1yc3TD00HY9kyqYWm7kdcaZEX1OOdZIRTMaCeYmEqYkBQIlinkiS4M MsY6U8ghNB84lvw3mxzPqKcF+T5ADPAzS2cB2ufM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chao Yu , Jaegeuk Kim , Sasha Levin , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH AUTOSEL 5.4 26/48] f2fs: fix error path in do_recover_data() Date: Fri, 21 Aug 2020 12:16:42 -0400 Message-Id: <20200821161704.348164-26-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161704.348164-1-sashal@kernel.org> References: <20200821161704.348164-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Yu [ Upstream commit 9627a7b31f3c4ff8bc8f3be3683983ffe6eaebe6 ] - don't panic kernel if f2fs_get_node_page() fails in f2fs_recover_inline_data() or f2fs_recover_inline_xattr(); - return error number of f2fs_truncate_blocks() to f2fs_recover_inline_data()'s caller; Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/f2fs.h | 4 ++-- fs/f2fs/inline.c | 19 ++++++++++++------- fs/f2fs/node.c | 6 ++++-- fs/f2fs/recovery.c | 10 ++++++++-- 4 files changed, 26 insertions(+), 13 deletions(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 03693d6b1c104..b3b7e63394be7 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3061,7 +3061,7 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); int f2fs_recover_xattr_data(struct inode *inode, struct page *page); int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, @@ -3487,7 +3487,7 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page); int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); int f2fs_convert_inline_inode(struct inode *inode); int f2fs_write_inline_data(struct inode *inode, struct page *page); -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); +int f2fs_recover_inline_data(struct inode *inode, struct page *npage); struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, struct fscrypt_name *fname, struct page **res_page); int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 896db0416f0e6..183388393c6a8 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -252,7 +252,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page) return 0; } -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) +int f2fs_recover_inline_data(struct inode *inode, struct page *npage) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode *ri = NULL; @@ -274,7 +274,8 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) ri && (ri->i_inline & F2FS_INLINE_DATA)) { process_inline: ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_wait_on_page_writeback(ipage, NODE, true, true); @@ -287,21 +288,25 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) set_page_dirty(ipage); f2fs_put_page(ipage, 1); - return true; + return 1; } if (f2fs_has_inline_data(inode)) { ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_truncate_inline_inode(inode, ipage, 0); clear_inode_flag(inode, FI_INLINE_DATA); f2fs_put_page(ipage, 1); } else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) { - if (f2fs_truncate_blocks(inode, 0, false)) - return false; + int ret; + + ret = f2fs_truncate_blocks(inode, 0, false); + if (ret) + return ret; goto process_inline; } - return false; + return 0; } struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 90a20bd129614..daeac4268c1ab 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2512,7 +2512,7 @@ int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink) return nr - nr_shrink; } -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page) { void *src_addr, *dst_addr; size_t inline_size; @@ -2520,7 +2520,8 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) struct f2fs_inode *ri; ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino); - f2fs_bug_on(F2FS_I_SB(inode), IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); ri = F2FS_INODE(page); if (ri->i_inline & F2FS_INLINE_XATTR) { @@ -2539,6 +2540,7 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) update_inode: f2fs_update_inode(inode, ipage); f2fs_put_page(ipage, 1); + return 0; } int f2fs_recover_xattr_data(struct inode *inode, struct page *page) diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 783773e4560de..5f230e981c483 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -514,7 +514,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, /* step 1: recover xattr */ if (IS_INODE(page)) { - f2fs_recover_inline_xattr(inode, page); + err = f2fs_recover_inline_xattr(inode, page); + if (err) + goto out; } else if (f2fs_has_xattr_block(ofs_of_node(page))) { err = f2fs_recover_xattr_data(inode, page); if (!err) @@ -523,8 +525,12 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, } /* step 2: recover inline data */ - if (f2fs_recover_inline_data(inode, page)) + err = f2fs_recover_inline_data(inode, page); + if (err) { + if (err == 1) + err = 0; goto out; + } /* step 3: recover data indices */ start = f2fs_start_bidx_of_node(ofs_of_node(page), inode); -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1CC0C433E1 for ; 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Fri, 21 Aug 2020 16:17:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026657; bh=bkRavVFpTPtA7mxRw6h58U2ccbQ4OPkXmakbbWJKE7Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jZ+KQXD/hlA67u6+noox3eQhN/6zwKlEnqgyTy662A/xWdDEOmmeW0lK8sKh3qKDn dc2nh5Pv5/4G1yc3TD00HY9kyqYWm7kdcaZEX1OOdZIRTMaCeYmEqYkBQIlinkiS4M MsY6U8ghNB84lvw3mxzPqKcF+T5ADPAzS2cB2ufM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Fri, 21 Aug 2020 12:16:42 -0400 Message-Id: <20200821161704.348164-26-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161704.348164-1-sashal@kernel.org> References: <20200821161704.348164-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-Headers-End: 1k99ja-003Hzc-TN Subject: [f2fs-dev] [PATCH AUTOSEL 5.4 26/48] f2fs: fix error path in do_recover_data() X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Chao Yu [ Upstream commit 9627a7b31f3c4ff8bc8f3be3683983ffe6eaebe6 ] - don't panic kernel if f2fs_get_node_page() fails in f2fs_recover_inline_data() or f2fs_recover_inline_xattr(); - return error number of f2fs_truncate_blocks() to f2fs_recover_inline_data()'s caller; Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/f2fs.h | 4 ++-- fs/f2fs/inline.c | 19 ++++++++++++------- fs/f2fs/node.c | 6 ++++-- fs/f2fs/recovery.c | 10 ++++++++-- 4 files changed, 26 insertions(+), 13 deletions(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 03693d6b1c104..b3b7e63394be7 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3061,7 +3061,7 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); int f2fs_recover_xattr_data(struct inode *inode, struct page *page); int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, @@ -3487,7 +3487,7 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page); int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); int f2fs_convert_inline_inode(struct inode *inode); int f2fs_write_inline_data(struct inode *inode, struct page *page); -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); +int f2fs_recover_inline_data(struct inode *inode, struct page *npage); struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, struct fscrypt_name *fname, struct page **res_page); int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 896db0416f0e6..183388393c6a8 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -252,7 +252,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page) return 0; } -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) +int f2fs_recover_inline_data(struct inode *inode, struct page *npage) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode *ri = NULL; @@ -274,7 +274,8 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) ri && (ri->i_inline & F2FS_INLINE_DATA)) { process_inline: ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_wait_on_page_writeback(ipage, NODE, true, true); @@ -287,21 +288,25 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) set_page_dirty(ipage); f2fs_put_page(ipage, 1); - return true; + return 1; } if (f2fs_has_inline_data(inode)) { ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_truncate_inline_inode(inode, ipage, 0); clear_inode_flag(inode, FI_INLINE_DATA); f2fs_put_page(ipage, 1); } else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) { - if (f2fs_truncate_blocks(inode, 0, false)) - return false; + int ret; + + ret = f2fs_truncate_blocks(inode, 0, false); + if (ret) + return ret; goto process_inline; } - return false; + return 0; } struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 90a20bd129614..daeac4268c1ab 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2512,7 +2512,7 @@ int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink) return nr - nr_shrink; } -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page) { void *src_addr, *dst_addr; size_t inline_size; @@ -2520,7 +2520,8 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) struct f2fs_inode *ri; ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino); - f2fs_bug_on(F2FS_I_SB(inode), IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); ri = F2FS_INODE(page); if (ri->i_inline & F2FS_INLINE_XATTR) { @@ -2539,6 +2540,7 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) update_inode: f2fs_update_inode(inode, ipage); f2fs_put_page(ipage, 1); + return 0; } int f2fs_recover_xattr_data(struct inode *inode, struct page *page) diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 783773e4560de..5f230e981c483 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -514,7 +514,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, /* step 1: recover xattr */ if (IS_INODE(page)) { - f2fs_recover_inline_xattr(inode, page); + err = f2fs_recover_inline_xattr(inode, page); + if (err) + goto out; } else if (f2fs_has_xattr_block(ofs_of_node(page))) { err = f2fs_recover_xattr_data(inode, page); if (!err) @@ -523,8 +525,12 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, } /* step 2: recover inline data */ - if (f2fs_recover_inline_data(inode, page)) + err = f2fs_recover_inline_data(inode, page); + if (err) { + if (err == 1) + err = 0; goto out; + } /* step 3: recover data indices */ start = f2fs_start_bidx_of_node(ofs_of_node(page), inode); -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel