=====================================================
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 crc32_le_base+0x446/0xd80 lib/crc32.c:197
 crc32_body lib/crc32.c:110 [inline]
 crc32_le_generic lib/crc32.c:179 [inline]
 crc32_le_base+0x446/0xd80 lib/crc32.c:197
 nilfs_segbuf_fill_in_segsum_crc fs/nilfs2/segbuf.c:182 [inline]
 nilfs_add_checksums_on_logs+0x2ce/0xe30 fs/nilfs2/segbuf.c:320
 nilfs_segctor_do_construct+0xa553/0xe900 fs/nilfs2/segment.c:2078
 nilfs_segctor_construct+0x1eb/0xe30 fs/nilfs2/segment.c:2381
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2489 [inline]
 nilfs_segctor_thread+0xc76/0x1240 fs/nilfs2/segment.c:2572
 kthread+0x31f/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Uninit was stored to memory at:
 nilfs_write_dat_node_binfo+0x12c/0x280 fs/nilfs2/segment.c:658
 nilfs_segctor_assign fs/nilfs2/segment.c:1631 [inline]
 nilfs_segctor_do_construct+0x753c/0xe900 fs/nilfs2/segment.c:2058
 nilfs_segctor_construct+0x1eb/0xe30 fs/nilfs2/segment.c:2381
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2489 [inline]
 nilfs_segctor_thread+0xc76/0x1240 fs/nilfs2/segment.c:2572
 kthread+0x31f/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Local variable binfo.i.i created at:
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1564 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1631 [inline]
 nilfs_segctor_do_construct+0x6ac9/0xe900 fs/nilfs2/segment.c:2058
 nilfs_segctor_construct+0x1eb/0xe30 fs/nilfs2/segment.c:2381

CPU: 0 PID: 8984 Comm: segctord Not tainted 6.3.0-rc5-syzkaller-g9189d4cb6980 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
=====================================================