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From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: linux-erofs@lists.ozlabs.org, Chao Yu <chao@kernel.org>,
	Yue Hu <huyue2@yulong.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Gao Xiang <hsiangkao@linux.alibaba.com>
Subject: [PATCH] erofs: fix ztailpacking on > 4GiB filesystems
Date: Tue, 22 Feb 2022 11:31:18 +0800	[thread overview]
Message-ID: <20220222033118.20540-1-hsiangkao@linux.alibaba.com> (raw)

z_idataoff here is an absolute physical offset, so it should use
erofs_off_t (64 bits at least). Otherwise, it'll get trimmed and
cause the decompresion failure.

Fixes: ab92184ff8f1 ("erofs: add on-disk compressed tail-packing inline support")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
 fs/erofs/internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index b8272fb95fd6..5aa2cf2c2f80 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -325,7 +325,7 @@ struct erofs_inode {
 			unsigned char  z_algorithmtype[2];
 			unsigned char  z_logical_clusterbits;
 			unsigned long  z_tailextent_headlcn;
-			unsigned int   z_idataoff;
+			erofs_off_t    z_idataoff;
 			unsigned short z_idata_size;
 		};
 #endif	/* CONFIG_EROFS_FS_ZIP */
-- 
2.24.4


WARNING: multiple messages have this Message-ID (diff)
From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: linux-erofs@lists.ozlabs.org, Chao Yu <chao@kernel.org>,
	Yue Hu <huyue2@yulong.com>
Cc: Gao Xiang <hsiangkao@linux.alibaba.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] erofs: fix ztailpacking on > 4GiB filesystems
Date: Tue, 22 Feb 2022 11:31:18 +0800	[thread overview]
Message-ID: <20220222033118.20540-1-hsiangkao@linux.alibaba.com> (raw)

z_idataoff here is an absolute physical offset, so it should use
erofs_off_t (64 bits at least). Otherwise, it'll get trimmed and
cause the decompresion failure.

Fixes: ab92184ff8f1 ("erofs: add on-disk compressed tail-packing inline support")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
 fs/erofs/internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index b8272fb95fd6..5aa2cf2c2f80 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -325,7 +325,7 @@ struct erofs_inode {
 			unsigned char  z_algorithmtype[2];
 			unsigned char  z_logical_clusterbits;
 			unsigned long  z_tailextent_headlcn;
-			unsigned int   z_idataoff;
+			erofs_off_t    z_idataoff;
 			unsigned short z_idata_size;
 		};
 #endif	/* CONFIG_EROFS_FS_ZIP */
-- 
2.24.4


             reply	other threads:[~2022-02-22  3:31 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-22  3:31 Gao Xiang [this message]
2022-02-22  3:31 ` [PATCH] erofs: fix ztailpacking on > 4GiB filesystems Gao Xiang
2022-02-23  8:57 ` Yue Hu
2022-02-23  8:57   ` Yue Hu
2022-03-02  2:49 ` Chao Yu
2022-03-02  3:03   ` Gao Xiang
2022-03-02  3:03     ` Gao Xiang

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