===================================================== BUG: KMSAN: uninit-value in ima_add_template_entry+0x52b/0x880 security/integrity/ima/ima_queue.c:172 ima_add_template_entry+0x52b/0x880 security/integrity/ima/ima_queue.c:172 ima_store_template security/integrity/ima/ima_api.c:122 [inline] ima_store_measurement+0x36b/0x8d0 security/integrity/ima/ima_api.c:383 process_measurement+0x2c11/0x3f30 security/integrity/ima/ima_main.c:380 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: sha256_transform lib/crypto/sha256.c:117 [inline] sha256_transform_blocks+0x2dbf/0x2e90 lib/crypto/sha256.c:127 lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline] sha256_update+0x2ff/0x340 lib/crypto/sha256.c:136 crypto_sha256_update+0x37/0x60 crypto/sha256_generic.c:39 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:491 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1804/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: sha256_transform lib/crypto/sha256.c:117 [inline] sha256_transform_blocks+0x2dbf/0x2e90 lib/crypto/sha256.c:127 lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline] sha256_update+0x2ff/0x340 lib/crypto/sha256.c:136 crypto_sha256_update+0x37/0x60 crypto/sha256_generic.c:39 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:491 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1804/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: BLEND_OP lib/crypto/sha256.c:61 [inline] sha256_transform lib/crypto/sha256.c:91 [inline] sha256_transform_blocks+0xf33/0x2e90 lib/crypto/sha256.c:127 lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline] sha256_update+0x2ff/0x340 lib/crypto/sha256.c:136 crypto_sha256_update+0x37/0x60 crypto/sha256_generic.c:39 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:491 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1804/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: BLEND_OP lib/crypto/sha256.c:61 [inline] sha256_transform lib/crypto/sha256.c:92 [inline] sha256_transform_blocks+0xf7d/0x2e90 lib/crypto/sha256.c:127 lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline] sha256_update+0x2ff/0x340 lib/crypto/sha256.c:136 crypto_sha256_update+0x37/0x60 crypto/sha256_generic.c:39 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:491 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1804/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: BLEND_OP lib/crypto/sha256.c:61 [inline] sha256_transform lib/crypto/sha256.c:93 [inline] sha256_transform_blocks+0xfb5/0x2e90 lib/crypto/sha256.c:127 lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline] sha256_update+0x2ff/0x340 lib/crypto/sha256.c:136 crypto_sha256_update+0x37/0x60 crypto/sha256_generic.c:39 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:491 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1804/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: LOAD_OP lib/crypto/sha256.c:56 [inline] sha256_transform lib/crypto/sha256.c:82 [inline] sha256_transform_blocks+0x2c35/0x2e90 lib/crypto/sha256.c:127 lib_sha256_base_do_update include/crypto/sha256_base.h:63 [inline] sha256_update+0x2ff/0x340 lib/crypto/sha256.c:136 crypto_sha256_update+0x37/0x60 crypto/sha256_generic.c:39 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:491 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1804/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: memcpy_to_iter lib/iov_iter.c:65 [inline] iterate_kvec include/linux/iov_iter.h:86 [inline] iterate_and_advance2 include/linux/iov_iter.h:306 [inline] iterate_and_advance include/linux/iov_iter.h:328 [inline] _copy_to_iter+0x124a/0x2b30 lib/iov_iter.c:185 copy_page_to_iter+0x419/0x880 lib/iov_iter.c:362 copy_folio_to_iter include/linux/uio.h:189 [inline] filemap_read+0xc13/0x1500 mm/filemap.c:2696 generic_file_read_iter+0x136/0xad0 mm/filemap.c:2833 __kernel_read+0x726/0xd30 fs/read_write.c:527 integrity_kernel_read+0x77/0x90 security/integrity/iint.c:28 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1731/0x3c90 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x464/0xd20 security/integrity/ima/ima_api.c:293 process_measurement+0x2948/0x3f30 security/integrity/ima/ima_main.c:372 ima_file_check+0xb4/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0xc6/0x540 security/security.c:3127 do_open fs/namei.c:3776 [inline] path_openat+0x58cc/0x6200 fs/namei.c:3933 do_filp_open+0x20e/0x590 fs/namei.c:3960 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1434 x64_sys_call+0x15a2/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_pages_noprof+0x9d6/0xe70 mm/page_alloc.c:4756 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x1db/0x310 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xa6/0x440 mm/filemap.c:1010 __filemap_get_folio+0xac4/0x1550 mm/filemap.c:1952 block_write_begin+0x6e/0x2b0 fs/buffer.c:2226 exfat_write_begin+0xfb/0x400 fs/exfat/inode.c:434 exfat_extend_valid_size fs/exfat/file.c:553 [inline] exfat_file_write_iter+0x474/0xfb0 fs/exfat/file.c:588 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xb28/0x1540 fs/read_write.c:683 ksys_write+0x24f/0x4c0 fs/read_write.c:736 __do_sys_write fs/read_write.c:748 [inline] __se_sys_write fs/read_write.c:745 [inline] __x64_sys_write+0x93/0xe0 fs/read_write.c:745 x64_sys_call+0x306a/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 11377 Comm: syz.0.1639 Tainted: G W 6.11.0-syzkaller-11728-gad46e8f95e93 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================