EXT4-fs (loop4): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /307/mnt supports timestamps until 2038-01-19 (0x7fffffff) ===================================================== BUG: KMSAN: uninit-value in subshift lib/crypto/aes.c:150 [inline] BUG: KMSAN: uninit-value in aes_encrypt+0x1239/0x1960 lib/crypto/aes.c:283 subshift lib/crypto/aes.c:150 [inline] aes_encrypt+0x1239/0x1960 lib/crypto/aes.c:283 aesti_encrypt+0x7d/0xf0 crypto/aes_ti.c:31 cipher_crypt_one+0x120/0x2e0 crypto/cipher.c:75 crypto_cipher_encrypt_one+0x33/0x40 crypto/cipher.c:82 adiantum_crypt+0x939/0xe60 crypto/adiantum.c:383 adiantum_encrypt+0x33/0x40 crypto/adiantum.c:419 crypto_skcipher_encrypt+0x18a/0x1e0 crypto/skcipher.c:195 fscrypt_crypt_data_unit+0x38e/0x590 fs/crypto/crypto.c:139 fscrypt_encrypt_pagecache_blocks+0x430/0x900 fs/crypto/crypto.c:197 ext4_bio_write_folio+0x1383/0x30d0 fs/ext4/page-io.c:552 mpage_submit_folio fs/ext4/inode.c:2080 [inline] mpage_map_and_submit_buffers fs/ext4/inode.c:2324 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2514 [inline] ext4_do_writepages+0x3c08/0x8020 fs/ext4/inode.c:2931 ext4_writepages+0x338/0x870 fs/ext4/inode.c:3025 do_writepages+0x3f2/0x860 mm/page-writeback.c:2604 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x5bb/0x840 mm/filemap.c:694 filemap_write_and_wait include/linux/pagemap.h:68 [inline] ext4_ioctl_setflags fs/ext4/ioctl.c:647 [inline] ext4_fileattr_set+0xdee/0x2f30 fs/ext4/ioctl.c:1024 vfs_fileattr_set+0x125c/0x1310 fs/file_attr.c:298 ioctl_setflags+0x32e/0x3f0 fs/file_attr.c:334 do_vfs_ioctl+0xe49/0x2900 fs/ioctl.c:560 __do_sys_ioctl fs/ioctl.c:595 [inline] __se_sys_ioctl+0x163/0x400 fs/ioctl.c:583 __x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:583 x64_sys_call+0x1cbc/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: le128_add crypto/adiantum.c:191 [inline] adiantum_crypt+0xcf7/0xe60 crypto/adiantum.c:379 adiantum_encrypt+0x33/0x40 crypto/adiantum.c:419 crypto_skcipher_encrypt+0x18a/0x1e0 crypto/skcipher.c:195 fscrypt_crypt_data_unit+0x38e/0x590 fs/crypto/crypto.c:139 fscrypt_encrypt_pagecache_blocks+0x430/0x900 fs/crypto/crypto.c:197 ext4_bio_write_folio+0x1383/0x30d0 fs/ext4/page-io.c:552 mpage_submit_folio fs/ext4/inode.c:2080 [inline] mpage_map_and_submit_buffers fs/ext4/inode.c:2324 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2514 [inline] ext4_do_writepages+0x3c08/0x8020 fs/ext4/inode.c:2931 ext4_writepages+0x338/0x870 fs/ext4/inode.c:3025 do_writepages+0x3f2/0x860 mm/page-writeback.c:2604 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x5bb/0x840 mm/filemap.c:694 filemap_write_and_wait include/linux/pagemap.h:68 [inline] ext4_ioctl_setflags fs/ext4/ioctl.c:647 [inline] ext4_fileattr_set+0xdee/0x2f30 fs/ext4/ioctl.c:1024 vfs_fileattr_set+0x125c/0x1310 fs/file_attr.c:298 ioctl_setflags+0x32e/0x3f0 fs/file_attr.c:334 do_vfs_ioctl+0xe49/0x2900 fs/ioctl.c:560 __do_sys_ioctl fs/ioctl.c:595 [inline] __se_sys_ioctl+0x163/0x400 fs/ioctl.c:583 __x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:583 x64_sys_call+0x1cbc/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: adiantum_crypt+0x531/0xe60 crypto/adiantum.c:368 adiantum_encrypt+0x33/0x40 crypto/adiantum.c:419 crypto_skcipher_encrypt+0x18a/0x1e0 crypto/skcipher.c:195 fscrypt_crypt_data_unit+0x38e/0x590 fs/crypto/crypto.c:139 fscrypt_encrypt_pagecache_blocks+0x430/0x900 fs/crypto/crypto.c:197 ext4_bio_write_folio+0x1383/0x30d0 fs/ext4/page-io.c:552 mpage_submit_folio fs/ext4/inode.c:2080 [inline] mpage_map_and_submit_buffers fs/ext4/inode.c:2324 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2514 [inline] ext4_do_writepages+0x3c08/0x8020 fs/ext4/inode.c:2931 ext4_writepages+0x338/0x870 fs/ext4/inode.c:3025 do_writepages+0x3f2/0x860 mm/page-writeback.c:2604 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x5bb/0x840 mm/filemap.c:694 filemap_write_and_wait include/linux/pagemap.h:68 [inline] ext4_ioctl_setflags fs/ext4/ioctl.c:647 [inline] ext4_fileattr_set+0xdee/0x2f30 fs/ext4/ioctl.c:1024 vfs_fileattr_set+0x125c/0x1310 fs/file_attr.c:298 ioctl_setflags+0x32e/0x3f0 fs/file_attr.c:334 do_vfs_ioctl+0xe49/0x2900 fs/ioctl.c:560 __do_sys_ioctl fs/ioctl.c:595 [inline] __se_sys_ioctl+0x163/0x400 fs/ioctl.c:583 __x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:583 x64_sys_call+0x1cbc/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:5201 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof mm/mempolicy.c:2507 [inline] folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2517 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1020 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:2012 write_begin_get_folio include/linux/pagemap.h:784 [inline] ext4_write_begin+0x6d9/0x2d70 fs/ext4/inode.c:1318 ext4_da_write_begin+0x77c/0x1490 fs/ext4/inode.c:3129 generic_perform_write+0x365/0x1050 mm/filemap.c:4255 ext4_buffered_write_iter+0x61a/0xce0 fs/ext4/file.c:299 ext4_file_write_iter+0x2a2/0x3d90 fs/ext4/file.c:-1 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xbe2/0x15d0 fs/read_write.c:686 ksys_pwrite64 fs/read_write.c:793 [inline] __do_sys_pwrite64 fs/read_write.c:801 [inline] __se_sys_pwrite64 fs/read_write.c:798 [inline] __x64_sys_pwrite64+0x2ab/0x3b0 fs/read_write.c:798 x64_sys_call+0xe77/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:19 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 10462 Comm: syz.4.1571 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 =====================================================