=====================================================
BUG: KMSAN: uninit-value in crc32_body lib/crc32.c:110 [inline]
BUG: KMSAN: uninit-value in crc32_le_generic lib/crc32.c:179 [inline]
BUG: KMSAN: uninit-value in __crc32c_le_base+0x43c/0xd80 lib/crc32.c:201
 crc32_body lib/crc32.c:110 [inline]
 crc32_le_generic lib/crc32.c:179 [inline]
 __crc32c_le_base+0x43c/0xd80 lib/crc32.c:201
 chksum_update_arch+0x5b/0xd0 crypto/crc32c_generic.c:97
 crypto_shash_update+0x79/0xa0 crypto/shash.c:52
 crc32c+0xba/0x170 lib/libcrc32c.c:47
 xlog_cksum fs/xfs/xfs_log.c:1594 [inline]
 xlog_sync+0xa89/0xd20 fs/xfs/xfs_log.c:1839
 xlog_state_release_iclog+0x325/0x6f0 fs/xfs/xfs_log.c:567
 xlog_force_iclog fs/xfs/xfs_log.c:802 [inline]
 xlog_force_and_check_iclog fs/xfs/xfs_log.c:2866 [inline]
 xfs_log_force+0x9d7/0xf20 fs/xfs/xfs_log.c:2943
 xfs_fs_sync_fs+0xa0/0x420 fs/xfs/xfs_super.c:787
 sync_filesystem+0x2e1/0x3c0 fs/sync.c:66
 generic_shutdown_super+0x8b/0x4c0 fs/super.c:621
 kill_block_super+0x42/0xd0 fs/super.c:1710
 xfs_kill_sb+0x20/0x60 fs/xfs/xfs_super.c:2089
 deactivate_locked_super+0xe0/0x3f0 fs/super.c:473
 deactivate_super+0x14f/0x160 fs/super.c:506
 cleanup_mnt+0x6bf/0x740 fs/namespace.c:1413
 __cleanup_mnt+0x22/0x30 fs/namespace.c:1420
 task_work_run+0x268/0x310 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xbf/0x160 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 xlog_write_iovec fs/xfs/xfs_log.c:1987 [inline]
 xlog_write_full fs/xfs/xfs_log.c:2022 [inline]
 xlog_write+0x1bcf/0x2110 fs/xfs/xfs_log.c:2291
 xlog_cil_write_chain fs/xfs/xfs_log_cil.c:1084 [inline]
 xlog_cil_push_work+0x2f28/0x4540 fs/xfs/xfs_log_cil.c:1436
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3317
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398
 kthread+0x6b9/0xef0 kernel/kthread.c:464
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Uninit was stored to memory at:
 xlog_copy_iovec fs/xfs/xfs_log.h:85 [inline]
 xfs_inode_item_format_data_fork+0x6a4/0xfe0 fs/xfs/xfs_inode_item.c:371
 xfs_inode_item_format+0x1f80/0x22f0 fs/xfs/xfs_inode_item.c:668
 xlog_cil_insert_format_items fs/xfs/xfs_log_cil.c:513 [inline]
 xlog_cil_insert_items fs/xfs/xfs_log_cil.c:565 [inline]
 xlog_cil_commit+0x18e9/0x46f0 fs/xfs/xfs_log_cil.c:1759
 __xfs_trans_commit+0x578/0xf60 fs/xfs/xfs_trans.c:898
 xfs_trans_commit+0x22a/0x280 fs/xfs/xfs_trans.c:956
 xfs_iomap_write_unwritten+0x924/0x1110 fs/xfs/xfs_iomap.c:683
 xfs_end_ioend+0x325/0x880 fs/xfs/xfs_aops.c:131
 xfs_end_io+0x3d5/0x5f0 fs/xfs/xfs_aops.c:173
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3317
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398
 kthread+0x6b9/0xef0 kernel/kthread.c:464
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4125 [inline]
 slab_alloc_node mm/slub.c:4168 [inline]
 __do_kmalloc_node mm/slub.c:4297 [inline]
 __kmalloc_noprof+0x923/0x1230 mm/slub.c:4310
 kmalloc_noprof include/linux/slab.h:905 [inline]
 xfs_iroot_realloc+0x60d/0x950 fs/xfs/libxfs/xfs_inode_fork.c:413
 xfs_bmap_extents_to_btree+0x1d0/0x1370 fs/xfs/libxfs/xfs_bmap.c:662
 xfs_bmap_add_extent_unwritten_real+0x3426/0x62e0 fs/xfs/libxfs/xfs_bmap.c:2555
 xfs_bmapi_convert_unwritten+0x7e0/0xa10 fs/xfs/libxfs/xfs_bmap.c:4329
 xfs_bmapi_write+0x1158/0x22f0 fs/xfs/libxfs/xfs_bmap.c:4579
 xfs_iomap_write_unwritten+0x45f/0x1110 fs/xfs/xfs_iomap.c:661
 xfs_end_ioend+0x325/0x880 fs/xfs/xfs_aops.c:131
 xfs_end_io+0x3d5/0x5f0 fs/xfs/xfs_aops.c:173
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3317
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398
 kthread+0x6b9/0xef0 kernel/kthread.c:464
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

CPU: 1 UID: 0 PID: 5781 Comm: syz-executor Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
=====================================================