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linux/fs/xfs/libxfs
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Christoph Hellwig 9909b28175 xfs: fix log CRC mismatches between i386 and other architectures 
[ Upstream commit e747883c7d ]

When mounting file systems with a log that was dirtied on i386 on
other architectures or vice versa, log recovery is unhappy:

[   11.068052] XFS (vdb): Torn write (CRC failure) detected at log block 0x2. Truncating head block from 0xc.

This is because the CRCs generated by i386 and other architectures
always diff.  The reason for that is that sizeof(struct xlog_rec_header)
returns different values for i386 vs the rest (324 vs 328), because the
struct is not sizeof(uint64_t) aligned, and i386 has odd struct size
alignment rules.

This issue goes back to commit 13cdc853c519 ("Add log versioning, and new
super block field for the log stripe") in the xfs-import tree, which
adds log v2 support and the h_size field that causes the unaligned size.
At that time it only mattered for the crude debug only log header
checksum, but with commit 0e446be448 ("xfs: add CRC checks to the log")
it became a real issue for v5 file system, because now there is a proper
CRC, and regular builds actually expect it match.

Fix this by allowing checksums with and without the padding.

Fixes: 0e446be448 ("xfs: add CRC checks to the log")
Cc: <stable@vger.kernel.org> # v3.8
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-23 16:20:38 +02:00
..
xfs_ag.c xfs: update the pag for the last AG at recovery time 2024-10-22 13:37:19 +02:00
xfs_ag.h xfs: update the pag for the last AG at recovery time 2024-10-22 13:37:19 +02:00
xfs_ag_resv.c xfs: split xfs_mod_freecounter 2024-04-22 18:00:47 +05:30
xfs_ag_resv.h xfs: get rid of xfs_ag_resv_rmapbt_alloc 2024-07-04 14:36:13 +05:30
xfs_alloc.c xfs: Reduce unnecessary searches when searching for the best extents 2024-10-30 11:27:18 +01:00
xfs_alloc.h xfs: don't ifdef around the exact minlen allocations 2024-10-07 08:00:11 +02:00
xfs_alloc_btree.c xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_alloc_btree.h xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_attr.c xfs: distinguish extra split from real ENOSPC from xfs_attr_node_try_addname 2024-10-07 08:00:11 +02:00
xfs_attr.h xfs: fix xfs_init_attr_trans not handling explicit operation codes 2024-05-27 15:55:52 +05:30
xfs_attr_leaf.c xfs: distinguish extra split from real ENOSPC from xfs_attr3_leaf_split 2024-10-07 08:00:11 +02:00
xfs_attr_leaf.h xfs: return bool from xfs_attr3_leaf_add 2024-10-07 08:00:11 +02:00
xfs_attr_remote.c xfs: do not propagate ENODATA disk errors into xattr code 2025-09-04 15:31:54 +02:00
xfs_attr_remote.h xfs: create a helper to compute the blockcount of a max sized remote value 2024-05-02 07:48:36 -07:00
xfs_attr_sf.h xfs: pass the attr value to put_listent when possible 2024-04-23 07:47:00 -07:00
xfs_bit.c xfs: fix missing header includes 2019-11-07 13:00:53 -08:00
xfs_bit.h xfs: Use the correct style for SPDX License Identifier 2020-05-13 15:32:45 -07:00
xfs_bmap.c xfs: support lowmode allocations in xfs_bmap_exact_minlen_extent_alloc 2024-10-07 08:00:12 +02:00
xfs_bmap.h xfs: hoist extent size helpers to libxfs 2024-07-02 11:36:55 -07:00
xfs_bmap_btree.c xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_bmap_btree.h xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_btree.c xfs: return a 64-bit block count from xfs_btree_count_blocks 2024-12-19 18:13:08 +01:00
xfs_btree.h xfs: return a 64-bit block count from xfs_btree_count_blocks 2024-12-19 18:13:08 +01:00
xfs_btree_mem.c xfs: launder in-memory btree buffers before transaction commit 2024-02-22 12:43:36 -08:00
xfs_btree_mem.h xfs: launder in-memory btree buffers before transaction commit 2024-02-22 12:43:36 -08:00
xfs_btree_staging.c xfs: xfs_btree_bload_prep_block() should use __GFP_NOFAIL 2024-02-28 14:04:30 +05:30
xfs_btree_staging.h xfs: don't override bc_ops for staging btrees 2024-02-22 12:37:35 -08:00
xfs_cksum.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_da_btree.c xfs: do not propagate ENODATA disk errors into xattr code 2025-09-04 15:31:54 +02:00
xfs_da_btree.h xfs: create attr log item opcodes and formats for parent pointers 2024-04-23 07:46:57 -07:00
xfs_da_format.h xfs: turn XFS_ATTR3_RMT_BUF_SPACE into a function 2024-05-02 07:48:36 -07:00
xfs_defer.c xfs: Remove duplicate xfs_trans_priv.h header 2024-09-03 10:07:41 +05:30
xfs_defer.h xfs: Increase XFS_DEFER_OPS_NR_INODES to 5 2024-04-15 14:59:01 -07:00
xfs_dir2.c xfs: move dirent update hooks to xfs_dir2.c 2024-07-02 11:37:00 -07:00
xfs_dir2.h xfs: move dirent update hooks to xfs_dir2.c 2024-07-02 11:37:00 -07:00
xfs_dir2_block.c xfs: validate explicit directory block buffer owners 2024-04-15 14:58:52 -07:00
xfs_dir2_data.c xfs: don't walk off the end of a directory data block 2024-07-01 09:32:29 +05:30
xfs_dir2_leaf.c xfs: validate explicit directory free block owners 2024-04-15 14:58:52 -07:00
xfs_dir2_node.c xfs: validate explicit directory free block owners 2024-04-15 14:58:52 -07:00
xfs_dir2_priv.h xfs: don't walk off the end of a directory data block 2024-07-01 09:32:29 +05:30
xfs_dir2_sf.c xfs: convert remaining kmem_free() to kfree() 2024-02-13 18:07:34 +05:30
xfs_dquot_buf.c xfs: remove the xfs_dqblk_t typedef 2021-10-14 09:19:33 -07:00
xfs_errortag.h xfs: add error injection to test file mapping exchange recovery 2024-04-15 14:54:19 -07:00
xfs_exchmaps.c xfs: refactor dir format helpers 2024-04-26 11:21:46 +05:30
xfs_exchmaps.h xfs: use atomic extent swapping to fix user file fork data 2024-04-15 14:58:53 -07:00
xfs_format.h xfs: don't use the incore struct xfs_sb for offsets into struct xfs_dsb 2024-07-02 11:37:00 -07:00
xfs_fs.h xfs: fix C++ compilation errors in xfs_fs.h 2024-09-01 08:58:20 -07:00
xfs_health.h xfs: report directory tree corruption in the health information 2024-04-23 16:55:17 -07:00
xfs_ialloc.c xfs: fix sparse inode limits on runt AG 2024-12-27 14:02:00 +01:00
xfs_ialloc.h xfs: pass the icreate args object to xfs_dialloc 2024-09-01 08:58:19 -07:00
xfs_ialloc_btree.c xfs: return a 64-bit block count from xfs_btree_count_blocks 2024-12-19 18:13:08 +01:00
xfs_ialloc_btree.h xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_iext_tree.c xfs: use __GFP_NOLOCKDEP instead of GFP_NOFS 2024-02-13 18:07:34 +05:30
xfs_inode_buf.c xfs: fix di_onlink checking for V1/V2 inodes 2024-08-26 09:50:41 +05:30
xfs_inode_buf.h xfs: kill xfs_sb_version_has_v3inode() 2021-08-19 10:07:14 -07:00
xfs_inode_fork.c xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_inode_fork.h xfs: simplify iext overflow checking and upgrade 2024-05-03 11:20:06 +05:30
xfs_inode_util.c xfs: remove unnecessary check 2024-09-03 10:07:40 +05:30
xfs_inode_util.h xfs: hoist inode free function to libxfs 2024-07-02 11:36:59 -07:00
xfs_log_format.h xfs: fix log CRC mismatches between i386 and other architectures 2025-10-23 16:20:38 +02:00
xfs_log_recover.h xfs: capture inode generation numbers in the ondisk exchmaps log item 2024-04-15 14:54:24 -07:00
xfs_log_rlimit.c xfs: drop compatibility minimum log size computations for reflink 2024-04-23 07:47:01 -07:00
xfs_ondisk.h xfs: fix log CRC mismatches between i386 and other architectures 2025-10-23 16:20:38 +02:00
xfs_parent.c xfs: add raw parent pointer apis to support repair 2024-04-23 07:47:04 -07:00
xfs_parent.h xfs: add raw parent pointer apis to support repair 2024-04-23 07:47:04 -07:00
xfs_quota_defs.h xfs: remove unused parameter in macro XFS_DQUOT_LOGRES 2024-07-29 09:29:31 +05:30
xfs_refcount.c xfs: move xfs_refcount_update_defer_add to xfs_refcount_item.c 2024-07-02 11:37:07 -07:00
xfs_refcount.h xfs: move xfs_refcount_update_defer_add to xfs_refcount_item.c 2024-07-02 11:37:07 -07:00
xfs_refcount_btree.c xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_refcount_btree.h xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_rmap.c xfs: move xfs_rmap_update_defer_add to xfs_rmap_item.c 2024-07-02 11:37:05 -07:00
xfs_rmap.h xfs: move xfs_rmap_update_defer_add to xfs_rmap_item.c 2024-07-02 11:37:05 -07:00
xfs_rmap_btree.c xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_rmap_btree.h xfs: standardize the btree maxrecs function parameters 2024-09-01 08:58:20 -07:00
xfs_rtbitmap.c xfs: replace m_rsumsize with m_rsumblocks 2024-09-01 08:58:19 -07:00
xfs_rtbitmap.h xfs: remove xfs_{rtbitmap,rtsummary}_wordcount 2024-09-01 08:58:19 -07:00
xfs_sb.c xfs: fix sb_spino_align checks for large fsblock sizes 2024-12-27 14:02:01 +01:00
xfs_sb.h xfs: ensure rtx mask/shift are correct after growfs 2024-09-01 08:58:19 -07:00
xfs_shared.h xfs: enable block size larger than page size support 2024-09-03 15:00:52 +02:00
xfs_symlink_remote.c xfs: return from xfs_symlink_verify early on V4 filesystems 2024-12-19 18:13:08 +01:00
xfs_symlink_remote.h xfs: pass the owner to xfs_symlink_write_target 2024-04-15 14:58:57 -07:00
xfs_trans_inode.c xfs: implement atime updates in xfs_trans_ichgtime 2024-07-02 11:36:56 -07:00
xfs_trans_resv.c xfs: replace shouty XFS_BM{BT,DR} macros 2024-09-01 08:58:20 -07:00
xfs_trans_resv.h xfs: rename xfs_*alloc*_log_count to _block_count 2022-04-28 10:25:59 -07:00
xfs_trans_space.c xfs: Add parent pointers to rename 2024-04-23 07:46:59 -07:00
xfs_trans_space.h xfs: Add parent pointers to rename 2024-04-23 07:46:59 -07:00
xfs_types.c xfs: rename xfs_verify_rtext to xfs_verify_rtbext 2023-10-17 16:24:22 -07:00
xfs_types.h xfs: remove xfs_validate_rtextents 2024-09-01 08:58:19 -07:00