linux-kernel - [PATCH] f2fs: write missing last sum blk of file pinning section

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Tue,  9 Apr 2024 16:34:11 -0700
From: Daeho Jeong <daeho43@...il.com>
To: linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	kernel-team@...roid.com
Cc: Daeho Jeong <daehojeong@...gle.com>
Subject: [PATCH] f2fs: write missing last sum blk of file pinning section

From: Daeho Jeong <daehojeong@...gle.com>

While do not allocating a new section in advance for file pinning area, I
missed that we should write the sum block for the last segment of a file
pinning section.

Fixes: 9703d69d9d15 ("f2fs: support file pinning for zoned devices")
Signed-off-by: Daeho Jeong <daehojeong@...gle.com>
---
 fs/f2fs/segment.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4fd76e867e0a..6474b7338e81 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3559,6 +3559,8 @@ int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
 	if (segment_full) {
 		if (type == CURSEG_COLD_DATA_PINNED &&
 		    !((curseg->segno + 1) % sbi->segs_per_sec)) {
+			write_sum_page(sbi, curseg->sum_blk,
+					GET_SUM_BLOCK(sbi, curseg->segno));
 			reset_curseg_fields(curseg);
 			goto skip_new_segment;
 		}
-- 
2.44.0.478.gd926399ef9-goog