===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 lzogeneric1x_1_compress+0x26a/0x11b0 lib/lzo/lzo1x_compress.c:333 lzo1x_1_compress+0x47/0x80 lib/lzo/lzo1x_compress.c:383 __lzo_compress crypto/lzo.c:58 [inline] lzo_scompress+0x98/0x180 crypto/lzo.c:79 scomp_acomp_comp_decomp+0x7c6/0xb90 scomp_acomp_compress+0x32/0x40 crypto/scompress.c:187 crypto_acomp_compress include/crypto/acompress.h:251 [inline] zswap_compress+0x377/0xb10 mm/zswap.c:1040 zswap_store+0x2180/0x2ca0 mm/zswap.c:1580 swap_writepage+0x126/0x4c0 mm/page_io.c:198 shmem_writepage+0x1826/0x1f70 mm/shmem.c:1518 pageout mm/vmscan.c:660 [inline] shrink_folio_list+0x4a55/0x7910 mm/vmscan.c:1323 evict_folios+0x9d7f/0xcc20 mm/vmscan.c:4537 try_to_shrink_lruvec+0x160e/0x1a50 mm/vmscan.c:4733 shrink_one+0x66f/0xd40 mm/vmscan.c:4772 shrink_many mm/vmscan.c:4835 [inline] lru_gen_shrink_node mm/vmscan.c:4935 [inline] shrink_node+0x4856/0x55f0 mm/vmscan.c:5894 kswapd_shrink_node mm/vmscan.c:6704 [inline] balance_pgdat mm/vmscan.c:6895 [inline] kswapd+0x1eba/0x4460 mm/vmscan.c:7164 kthread+0x3e2/0x540 kernel/kthread.c:389 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Uninit was stored to memory at: ntfs_write_bh+0x652/0xdb0 fs/ntfs3/fsntfs.c:1450 indx_write fs/ntfs3/index.c:1027 [inline] indx_delete_entry+0x1a9e/0x7e10 fs/ntfs3/index.c:2323 ni_remove_name+0x345/0xc30 fs/ntfs3/frecord.c:2929 ni_rename+0x132/0x240 fs/ntfs3/frecord.c:3089 ntfs_rename+0xdb2/0x1300 fs/ntfs3/namei.c:334 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: ntfs_read_run_nb+0x786/0x1070 fs/ntfs3/fsntfs.c:1252 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1313 indx_read+0x44e/0x17b0 fs/ntfs3/index.c:1067 indx_find+0xd12/0x1440 fs/ntfs3/index.c:1181 indx_delete_entry+0xfe4/0x7e10 fs/ntfs3/index.c:2287 ni_remove_name+0x345/0xc30 fs/ntfs3/frecord.c:2929 ni_rename+0x132/0x240 fs/ntfs3/frecord.c:3089 ntfs_rename+0xdb2/0x1300 fs/ntfs3/namei.c:334 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: ntfs_write_bh+0x652/0xdb0 fs/ntfs3/fsntfs.c:1450 indx_write fs/ntfs3/index.c:1027 [inline] indx_insert_into_root+0x36f4/0x37d0 fs/ntfs3/index.c:1761 indx_insert_entry+0xe1d/0xee0 fs/ntfs3/index.c:1975 ni_add_name+0xe5d/0x10d0 fs/ntfs3/frecord.c:3055 ni_rename+0x9b/0x240 fs/ntfs3/frecord.c:3087 ntfs_rename+0xdb2/0x1300 fs/ntfs3/namei.c:334 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: hdr_insert_de+0x3a6/0x3f0 fs/ntfs3/index.c:835 indx_insert_into_root+0x33f6/0x37d0 fs/ntfs3/index.c:1753 indx_insert_entry+0xe1d/0xee0 fs/ntfs3/index.c:1975 ni_add_name+0xe5d/0x10d0 fs/ntfs3/frecord.c:3055 ni_rename+0x9b/0x240 fs/ntfs3/frecord.c:3087 ntfs_rename+0xdb2/0x1300 fs/ntfs3/namei.c:334 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: hdr_insert_head+0x2e7/0x350 fs/ntfs3/index.c:603 indx_insert_into_root+0x3208/0x37d0 fs/ntfs3/index.c:1727 indx_insert_entry+0xe1d/0xee0 fs/ntfs3/index.c:1975 ni_add_name+0xe5d/0x10d0 fs/ntfs3/frecord.c:3055 ni_rename+0x9b/0x240 fs/ntfs3/frecord.c:3087 ntfs_rename+0xdb2/0x1300 fs/ntfs3/namei.c:334 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: kmemdup+0x82/0xc0 mm/util.c:133 indx_insert_into_root+0x1846/0x37d0 fs/ntfs3/index.c:1647 indx_insert_entry+0xe1d/0xee0 fs/ntfs3/index.c:1975 ni_add_name+0xe5d/0x10d0 fs/ntfs3/frecord.c:3055 ni_rename+0x9b/0x240 fs/ntfs3/frecord.c:3087 ntfs_rename+0xdb2/0x1300 fs/ntfs3/namei.c:334 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: hdr_insert_de fs/ntfs3/index.c:838 [inline] indx_insert_into_root+0x199b/0x37d0 fs/ntfs3/index.c:1612 indx_insert_entry+0xe1d/0xee0 fs/ntfs3/index.c:1975 ntfs_create_inode+0x4b45/0x5280 fs/ntfs3/inode.c:1683 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3368 [inline] lookup_open fs/namei.c:3476 [inline] open_last_lookups fs/namei.c:3574 [inline] path_openat+0x2230/0x5b00 fs/namei.c:3804 do_filp_open+0x20e/0x590 fs/namei.c:3834 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1432 x64_sys_call+0x3a64/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:3877 [inline] slab_alloc_node mm/slub.c:3918 [inline] kmem_cache_alloc+0x5b9/0xc20 mm/slub.c:3925 ntfs_create_inode+0x5dd/0x5280 fs/ntfs3/inode.c:1320 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3368 [inline] lookup_open fs/namei.c:3476 [inline] open_last_lookups fs/namei.c:3574 [inline] path_openat+0x2230/0x5b00 fs/namei.c:3804 do_filp_open+0x20e/0x590 fs/namei.c:3834 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1432 x64_sys_call+0x3a64/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 PID: 82 Comm: kswapd0 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 =====================================================