===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x913/0x2510 lib/lzo/lzo1x_compress.c:107 lzo1x_1_do_compress+0x913/0x2510 lib/lzo/lzo1x_compress.c:107 lzogeneric1x_1_compress+0x26a/0x11a0 lib/lzo/lzo1x_compress.c:333 lzo1x_1_compress+0x47/0x70 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+0x4d3/0x850 scomp_acomp_compress+0x32/0x40 crypto/scompress.c:165 crypto_acomp_compress include/crypto/acompress.h:302 [inline] zswap_store+0x2614/0x3cb0 mm/zswap.c:1624 swap_writepage+0x126/0x4c0 mm/page_io.c:198 shmem_writepage+0x1824/0x1f70 mm/shmem.c:1518 pageout mm/vmscan.c:654 [inline] shrink_folio_list+0x5617/0x7ad0 mm/vmscan.c:1316 evict_folios+0xab3a/0xcc50 mm/vmscan.c:4521 try_to_shrink_lruvec+0x15ac/0x1b20 mm/vmscan.c:4726 shrink_one+0x66e/0xd70 mm/vmscan.c:4765 shrink_many mm/vmscan.c:4828 [inline] lru_gen_shrink_node mm/vmscan.c:4929 [inline] shrink_node+0x4c15/0x58b0 mm/vmscan.c:5888 kswapd_shrink_node mm/vmscan.c:6693 [inline] balance_pgdat mm/vmscan.c:6883 [inline] kswapd+0x1df3/0x4260 mm/vmscan.c:7143 kthread+0x3ed/0x550 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Uninit was stored to memory at: ntfs_write_bh+0x64e/0xda0 fs/ntfs3/fsntfs.c:1450 indx_write fs/ntfs3/index.c:1027 [inline] indx_update_dup+0xd7d/0xf80 fs/ntfs3/index.c:2687 ni_update_parent+0x12de/0x14a0 fs/ntfs3/frecord.c:3233 ni_write_inode+0x1d33/0x1e20 fs/ntfs3/frecord.c:3324 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1040 write_inode fs/fs-writeback.c:1473 [inline] __writeback_single_inode+0x845/0x12b0 fs/fs-writeback.c:1690 writeback_sb_inodes+0xb73/0x1c00 fs/fs-writeback.c:1916 wb_writeback+0x4a1/0xdf0 fs/fs-writeback.c:2092 wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn+0x435/0x1810 fs/fs-writeback.c:2279 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x1132/0x1f40 kernel/workqueue.c:2706 worker_thread+0xea4/0x1560 kernel/workqueue.c:2787 kthread+0x3ed/0x550 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 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+0xd08/0x1430 fs/ntfs3/index.c:1181 indx_update_dup+0x607/0xf80 fs/ntfs3/index.c:2659 ni_update_parent+0x12de/0x14a0 fs/ntfs3/frecord.c:3233 ni_write_inode+0x1d33/0x1e20 fs/ntfs3/frecord.c:3324 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1040 write_inode fs/fs-writeback.c:1473 [inline] __writeback_single_inode+0x845/0x12b0 fs/fs-writeback.c:1690 writeback_sb_inodes+0xb73/0x1c00 fs/fs-writeback.c:1916 wb_writeback+0x4a1/0xdf0 fs/fs-writeback.c:2092 wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn+0x435/0x1810 fs/fs-writeback.c:2279 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x1132/0x1f40 kernel/workqueue.c:2706 worker_thread+0xea4/0x1560 kernel/workqueue.c:2787 kthread+0x3ed/0x550 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Uninit was stored to memory at: ntfs_write_bh+0x64e/0xda0 fs/ntfs3/fsntfs.c:1450 indx_write fs/ntfs3/index.c:1027 [inline] indx_insert_into_buffer+0xd8b/0x2000 fs/ntfs3/index.c:1804 indx_insert_entry+0xa3c/0xee0 fs/ntfs3/index.c:1981 ntfs_create_inode+0x49b2/0x50f0 fs/ntfs3/inode.c:1671 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3359 [inline] lookup_open fs/namei.c:3467 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x2219/0x5ad0 fs/namei.c:3795 do_filp_open+0x20d/0x590 fs/namei.c:3825 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_open fs/open.c:1427 [inline] __se_sys_open fs/open.c:1423 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1423 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+0x63/0x6b Uninit was stored to memory at: hdr_insert_de fs/ntfs3/index.c:835 [inline] indx_insert_into_buffer+0xc98/0x2000 fs/ntfs3/index.c:1800 indx_insert_entry+0xa3c/0xee0 fs/ntfs3/index.c:1981 ntfs_create_inode+0x49b2/0x50f0 fs/ntfs3/inode.c:1671 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3359 [inline] lookup_open fs/namei.c:3467 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x2219/0x5ad0 fs/namei.c:3795 do_filp_open+0x20d/0x590 fs/namei.c:3825 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_open fs/open.c:1427 [inline] __se_sys_open fs/open.c:1423 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1423 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+0x63/0x6b 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+0xd08/0x1430 fs/ntfs3/index.c:1181 dir_search_u+0x1a1/0x540 fs/ntfs3/dir.c:254 ntfs_atomic_open+0x59c/0xbb0 fs/ntfs3/namei.c:412 atomic_open fs/namei.c:3359 [inline] lookup_open fs/namei.c:3467 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x2219/0x5ad0 fs/namei.c:3795 do_filp_open+0x20d/0x590 fs/namei.c:3825 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_open fs/open.c:1427 [inline] __se_sys_open fs/open.c:1423 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1423 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+0x63/0x6b Uninit was stored to memory at: ntfs_write_bh+0x64e/0xda0 fs/ntfs3/fsntfs.c:1450 indx_write fs/ntfs3/index.c:1027 [inline] indx_insert_into_buffer+0xd8b/0x2000 fs/ntfs3/index.c:1804 indx_insert_entry+0xa3c/0xee0 fs/ntfs3/index.c:1981 ntfs_create_inode+0x49b2/0x50f0 fs/ntfs3/inode.c:1671 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3359 [inline] lookup_open fs/namei.c:3467 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x2219/0x5ad0 fs/namei.c:3795 do_filp_open+0x20d/0x590 fs/namei.c:3825 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_openat fs/open.c:1435 [inline] __se_sys_openat fs/open.c:1430 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1430 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+0x63/0x6b Uninit was stored to memory at: hdr_insert_de fs/ntfs3/index.c:838 [inline] indx_insert_into_buffer+0xcdb/0x2000 fs/ntfs3/index.c:1800 indx_insert_entry+0xa3c/0xee0 fs/ntfs3/index.c:1981 ntfs_create_inode+0x49b2/0x50f0 fs/ntfs3/inode.c:1671 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3359 [inline] lookup_open fs/namei.c:3467 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x2219/0x5ad0 fs/namei.c:3795 do_filp_open+0x20d/0x590 fs/namei.c:3825 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_openat fs/open.c:1435 [inline] __se_sys_openat fs/open.c:1430 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1430 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+0x63/0x6b Uninit was created at: slab_post_alloc_hook mm/slub.c:3819 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc+0x53f/0xb30 mm/slub.c:3867 ntfs_create_inode+0x5e0/0x50f0 fs/ntfs3/inode.c:1314 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:434 atomic_open fs/namei.c:3359 [inline] lookup_open fs/namei.c:3467 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x2219/0x5ad0 fs/namei.c:3795 do_filp_open+0x20d/0x590 fs/namei.c:3825 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_openat fs/open.c:1435 [inline] __se_sys_openat fs/open.c:1430 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1430 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+0x63/0x6b CPU: 1 PID: 85 Comm: kswapd0 Not tainted 6.8.0-rc5-syzkaller-00029-g39133352cbed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 =====================================================