=====================================================
BUG: KMSAN: uninit-value in subshift lib/crypto/aes.c:149 [inline]
BUG: KMSAN: uninit-value in aes_encrypt+0x15cc/0x1db0 lib/crypto/aes.c:282
 subshift lib/crypto/aes.c:149 [inline]
 aes_encrypt+0x15cc/0x1db0 lib/crypto/aes.c:282
 aesti_encrypt+0x7d/0xf0 crypto/aes_ti.c:31
 crypto_ecb_crypt crypto/ecb.c:32 [inline]
 crypto_ecb_encrypt+0x1e7/0x380 crypto/ecb.c:49
 crypto_skcipher_encrypt+0xe0/0x150 crypto/skcipher.c:653
 xts_encrypt+0x3c4/0x540 crypto/xts.c:269
 crypto_skcipher_encrypt+0xe0/0x150 crypto/skcipher.c:653
 fscrypt_crypt_block+0x52c/0x900 fs/crypto/crypto.c:137
 fscrypt_encrypt_pagecache_blocks+0x3e7/0x8b0 fs/crypto/crypto.c:198
 ext4_bio_write_folio+0x13d9/0x2db0 fs/ext4/page-io.c:526
 mpage_submit_folio fs/ext4/inode.c:1865 [inline]
 mpage_process_page_bufs+0xf16/0x1320 fs/ext4/inode.c:1978
 mpage_prepare_extent_to_map+0x19c9/0x2710 fs/ext4/inode.c:2486
 ext4_do_writepages+0x111e/0x67e0 fs/ext4/inode.c:2628
 ext4_writepages+0x30c/0x810 fs/ext4/inode.c:2764
 do_writepages+0x426/0x870 mm/page-writeback.c:2553
 filemap_fdatawrite_wbc+0x1d8/0x270 mm/filemap.c:390
 __filemap_fdatawrite_range mm/filemap.c:423 [inline]
 file_write_and_wait_range+0x202/0x3a0 mm/filemap.c:781
 generic_buffers_fsync_noflush+0x84/0x3d0 fs/buffer.c:609
 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline]
 ext4_sync_file+0x5b4/0x1390 fs/ext4/fsync.c:151
 vfs_fsync_range+0x201/0x250 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2584 [inline]
 ext4_buffered_write_iter+0x9a9/0xaa0 fs/ext4/file.c:305
 ext4_file_write_iter+0x209/0x3550
 __kernel_write_iter+0x323/0xa40 fs/read_write.c:517
 dump_emit_page fs/coredump.c:888 [inline]
 dump_user_range+0x593/0xcd0 fs/coredump.c:915
 elf_core_dump+0x59e8/0x5c60 fs/binfmt_elf.c:2142
 do_coredump+0x32c8/0x4920 fs/coredump.c:764
 get_signal+0x2185/0x2d10 kernel/signal.c:2878
 arch_do_signal_or_restart+0x53/0xca0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0xe8/0x320 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x163/0x220 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0xd/0x30 kernel/entry/common.c:309
 irqentry_exit+0x16/0x40 kernel/entry/common.c:412
 exc_page_fault+0x246/0x6f0 arch/x86/mm/fault.c:1564
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:570

Uninit was stored to memory at:
 le128_xor include/crypto/b128ops.h:69 [inline]
 xts_xor_tweak+0x4ae/0xbe0 crypto/xts.c:123
 xts_xor_tweak_pre crypto/xts.c:135 [inline]
 xts_encrypt+0x296/0x540 crypto/xts.c:268
 crypto_skcipher_encrypt+0xe0/0x150 crypto/skcipher.c:653
 fscrypt_crypt_block+0x52c/0x900 fs/crypto/crypto.c:137
 fscrypt_encrypt_pagecache_blocks+0x3e7/0x8b0 fs/crypto/crypto.c:198
 ext4_bio_write_folio+0x13d9/0x2db0 fs/ext4/page-io.c:526
 mpage_submit_folio fs/ext4/inode.c:1865 [inline]
 mpage_process_page_bufs+0xf16/0x1320 fs/ext4/inode.c:1978
 mpage_prepare_extent_to_map+0x19c9/0x2710 fs/ext4/inode.c:2486
 ext4_do_writepages+0x111e/0x67e0 fs/ext4/inode.c:2628
 ext4_writepages+0x30c/0x810 fs/ext4/inode.c:2764
 do_writepages+0x426/0x870 mm/page-writeback.c:2553
 filemap_fdatawrite_wbc+0x1d8/0x270 mm/filemap.c:390
 __filemap_fdatawrite_range mm/filemap.c:423 [inline]
 file_write_and_wait_range+0x202/0x3a0 mm/filemap.c:781
 generic_buffers_fsync_noflush+0x84/0x3d0 fs/buffer.c:609
 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline]
 ext4_sync_file+0x5b4/0x1390 fs/ext4/fsync.c:151
 vfs_fsync_range+0x201/0x250 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2584 [inline]
 ext4_buffered_write_iter+0x9a9/0xaa0 fs/ext4/file.c:305
 ext4_file_write_iter+0x209/0x3550
 __kernel_write_iter+0x323/0xa40 fs/read_write.c:517
 dump_emit_page fs/coredump.c:888 [inline]
 dump_user_range+0x593/0xcd0 fs/coredump.c:915
 elf_core_dump+0x59e8/0x5c60 fs/binfmt_elf.c:2142
 do_coredump+0x32c8/0x4920 fs/coredump.c:764
 get_signal+0x2185/0x2d10 kernel/signal.c:2878
 arch_do_signal_or_restart+0x53/0xca0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0xe8/0x320 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x163/0x220 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0xd/0x30 kernel/entry/common.c:309
 irqentry_exit+0x16/0x40 kernel/entry/common.c:412
 exc_page_fault+0x246/0x6f0 arch/x86/mm/fault.c:1564
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:570

Uninit was created at:
 __alloc_pages+0x9a4/0xe00 mm/page_alloc.c:4449
 alloc_pages+0xd01/0x1040
 folio_alloc+0x42/0x120 mm/mempolicy.c:2307
 filemap_alloc_folio+0xa5/0x430 mm/filemap.c:976
 __filemap_get_folio+0xa76/0x1450 mm/filemap.c:1936
 ext4_write_begin+0x3e5/0x2220 fs/ext4/inode.c:1147
 ext4_da_write_begin+0x4cd/0xec0 fs/ext4/inode.c:2865
 generic_perform_write+0x3f5/0xc40 mm/filemap.c:3969
 ext4_buffered_write_iter+0x564/0xaa0 fs/ext4/file.c:299
 ext4_file_write_iter+0x209/0x3550
 __kernel_write_iter+0x323/0xa40 fs/read_write.c:517
 dump_emit_page fs/coredump.c:888 [inline]
 dump_user_range+0x593/0xcd0 fs/coredump.c:915
 elf_core_dump+0x59e8/0x5c60 fs/binfmt_elf.c:2142
 do_coredump+0x32c8/0x4920 fs/coredump.c:764
 get_signal+0x2185/0x2d10 kernel/signal.c:2878
 arch_do_signal_or_restart+0x53/0xca0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0xe8/0x320 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x163/0x220 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0xd/0x30 kernel/entry/common.c:309
 irqentry_exit+0x16/0x40 kernel/entry/common.c:412
 exc_page_fault+0x246/0x6f0 arch/x86/mm/fault.c:1564
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:570

CPU: 1 PID: 8500 Comm: syz-executor.3 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
=====================================================