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
next 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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