ext4 filesystem being mounted at /11/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+0x3d/0xa0 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:444 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+0x1383/0x30c0 fs/ext4/page-io.c:552 mpage_submit_folio+0x399/0x3d0 fs/ext4/inode.c:2087 mpage_map_and_submit_buffers fs/ext4/inode.c:2330 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2520 [inline] ext4_do_writepages+0x3c93/0x7780 fs/ext4/inode.c:2932 ext4_writepages+0x337/0x870 fs/ext4/inode.c:3026 do_writepages+0x3f2/0x860 mm/page-writeback.c:2598 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] file_write_and_wait_range+0x6f0/0x7d0 mm/filemap.c:786 generic_buffers_fsync_noflush+0x7a/0x3f0 fs/buffer.c:609 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline] ext4_sync_file+0x586/0x12f0 fs/ext4/fsync.c:147 vfs_fsync_range+0x1a1/0x250 fs/sync.c:188 generic_write_sync include/linux/fs.h:2616 [inline] ext4_buffered_write_iter+0xae9/0xce0 fs/ext4/file.c:305 ext4_file_write_iter+0x25fa/0x3eb0 fs/ext4/file.c:-1 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xbe1/0x15c0 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+0xbaf/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:19 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 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:444 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+0x1383/0x30c0 fs/ext4/page-io.c:552 mpage_submit_folio+0x399/0x3d0 fs/ext4/inode.c:2087 mpage_map_and_submit_buffers fs/ext4/inode.c:2330 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2520 [inline] ext4_do_writepages+0x3c93/0x7780 fs/ext4/inode.c:2932 ext4_writepages+0x337/0x870 fs/ext4/inode.c:3026 do_writepages+0x3f2/0x860 mm/page-writeback.c:2598 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] file_write_and_wait_range+0x6f0/0x7d0 mm/filemap.c:786 generic_buffers_fsync_noflush+0x7a/0x3f0 fs/buffer.c:609 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline] ext4_sync_file+0x586/0x12f0 fs/ext4/fsync.c:147 vfs_fsync_range+0x1a1/0x250 fs/sync.c:188 generic_write_sync include/linux/fs.h:2616 [inline] ext4_buffered_write_iter+0xae9/0xce0 fs/ext4/file.c:305 ext4_file_write_iter+0x25fa/0x3eb0 fs/ext4/file.c:-1 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xbe1/0x15c0 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+0xbaf/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:19 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 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:444 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+0x1383/0x30c0 fs/ext4/page-io.c:552 mpage_submit_folio+0x399/0x3d0 fs/ext4/inode.c:2087 mpage_map_and_submit_buffers fs/ext4/inode.c:2330 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2520 [inline] ext4_do_writepages+0x3c93/0x7780 fs/ext4/inode.c:2932 ext4_writepages+0x337/0x870 fs/ext4/inode.c:3026 do_writepages+0x3f2/0x860 mm/page-writeback.c:2598 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] file_write_and_wait_range+0x6f0/0x7d0 mm/filemap.c:786 generic_buffers_fsync_noflush+0x7a/0x3f0 fs/buffer.c:609 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline] ext4_sync_file+0x586/0x12f0 fs/ext4/fsync.c:147 vfs_fsync_range+0x1a1/0x250 fs/sync.c:188 generic_write_sync include/linux/fs.h:2616 [inline] ext4_buffered_write_iter+0xae9/0xce0 fs/ext4/file.c:305 ext4_file_write_iter+0x25fa/0x3eb0 fs/ext4/file.c:-1 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xbe1/0x15c0 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+0xbaf/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:19 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_frozen_pages_noprof+0x41c/0xaa0 mm/page_alloc.c:5263 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2486 alloc_frozen_pages_noprof mm/mempolicy.c:2557 [inline] alloc_pages_noprof mm/mempolicy.c:2577 [inline] folio_alloc_noprof+0x108/0x360 mm/mempolicy.c:2587 filemap_alloc_folio_noprof+0xd9/0x480 mm/filemap.c:1013 __filemap_get_folio_mpol+0xb43/0x1960 mm/filemap.c:2006 __filemap_get_folio include/linux/pagemap.h:774 [inline] write_begin_get_folio include/linux/pagemap.h:800 [inline] ext4_write_begin+0x6dd/0x2d70 fs/ext4/inode.c:1323 ext4_da_write_begin+0x75e/0x1420 fs/ext4/inode.c:3130 generic_perform_write+0x364/0x1050 mm/filemap.c:4314 ext4_buffered_write_iter+0x61a/0xce0 fs/ext4/file.c:299 ext4_file_write_iter+0x25fa/0x3eb0 fs/ext4/file.c:-1 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xbe1/0x15c0 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+0xbaf/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:19 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 16790 Comm: syz.0.2489 Tainted: G L syzkaller #0 PREEMPT(voluntary) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 =====================================================