===================================================== 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+0x4b6/0x780 scomp_acomp_compress+0x32/0x40 crypto/scompress.c:159 crypto_acomp_compress include/crypto/acompress.h:302 [inline] zswap_store+0x1b5c/0x32b0 mm/zswap.c:1314 swap_writepage+0x122/0x340 mm/page_io.c:198 shmem_writepage+0x1720/0x1e70 mm/shmem.c:1500 pageout mm/vmscan.c:654 [inline] shrink_folio_list+0x508f/0x7760 mm/vmscan.c:1315 evict_folios+0x9b33/0xb940 mm/vmscan.c:4499 try_to_shrink_lruvec+0x16c2/0x1be0 mm/vmscan.c:4678 shrink_one+0x479/0xcd0 mm/vmscan.c:4722 shrink_many mm/vmscan.c:4776 [inline] lru_gen_shrink_node mm/vmscan.c:4893 [inline] shrink_node+0x4af0/0x58f0 mm/vmscan.c:5833 kswapd_shrink_node mm/vmscan.c:6638 [inline] balance_pgdat mm/vmscan.c:6828 [inline] kswapd+0x1df1/0x4260 mm/vmscan.c:7088 kthread+0x3ed/0x540 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+0x6d5/0xf60 fs/ntfs3/fsntfs.c:1227 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1288 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+0x1c73/0x1d70 fs/ntfs3/frecord.c:3321 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1029 write_inode fs/fs-writeback.c:1473 [inline] __writeback_single_inode+0x843/0x12b0 fs/fs-writeback.c:1690 writeback_sb_inodes+0xb73/0x1c00 fs/fs-writeback.c:1916 __writeback_inodes_wb+0x14c/0x440 fs/fs-writeback.c:1987 wb_writeback+0x4da/0xdf0 fs/fs-writeback.c:2094 wb_check_background_flush fs/fs-writeback.c:2164 [inline] wb_do_writeback fs/fs-writeback.c:2252 [inline] wb_workfn+0x116a/0x1710 fs/fs-writeback.c:2279 process_one_work kernel/workqueue.c:2630 [inline] process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2703 worker_thread+0xf45/0x1490 kernel/workqueue.c:2784 kthread+0x3ed/0x540 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:1425 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+0x1c73/0x1d70 fs/ntfs3/frecord.c:3321 ntfs_sync_inode+0x39/0x40 fs/ntfs3/inode.c:1034 ntfs_truncate fs/ntfs3/file.c:408 [inline] ntfs3_setattr+0xd36/0x1440 fs/ntfs3/file.c:683 notify_change+0x19fd/0x1af0 fs/attr.c:499 do_truncate+0x22a/0x2a0 fs/open.c:66 handle_truncate fs/namei.c:3280 [inline] do_open fs/namei.c:3626 [inline] path_openat+0x5177/0x5c70 fs/namei.c:3779 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was stored to memory at: ntfs_read_run_nb+0x6d5/0xf60 fs/ntfs3/fsntfs.c:1227 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1288 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+0x1c73/0x1d70 fs/ntfs3/frecord.c:3321 ntfs_sync_inode+0x39/0x40 fs/ntfs3/inode.c:1034 ntfs_truncate fs/ntfs3/file.c:408 [inline] ntfs3_setattr+0xd36/0x1440 fs/ntfs3/file.c:683 notify_change+0x19fd/0x1af0 fs/attr.c:499 do_truncate+0x22a/0x2a0 fs/open.c:66 handle_truncate fs/namei.c:3280 [inline] do_open fs/namei.c:3626 [inline] path_openat+0x5177/0x5c70 fs/namei.c:3779 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was stored to memory at: ntfs_write_bh+0x64e/0xda0 fs/ntfs3/fsntfs.c:1425 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+0x4619/0x4fc0 fs/ntfs3/inode.c:1655 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:422 atomic_open fs/namei.c:3340 [inline] lookup_open fs/namei.c:3448 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x1d13/0x5c70 fs/namei.c:3776 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was stored to memory at: ntfs_read_run_nb+0x6d5/0xf60 fs/ntfs3/fsntfs.c:1227 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1288 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:400 atomic_open fs/namei.c:3340 [inline] lookup_open fs/namei.c:3448 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x1d13/0x5c70 fs/namei.c:3776 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was stored to memory at: ntfs_write_bh+0x64e/0xda0 fs/ntfs3/fsntfs.c:1425 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+0x4619/0x4fc0 fs/ntfs3/inode.c:1655 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:422 atomic_open fs/namei.c:3340 [inline] lookup_open fs/namei.c:3448 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x1d13/0x5c70 fs/namei.c:3776 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a 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+0x4619/0x4fc0 fs/ntfs3/inode.c:1655 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:422 atomic_open fs/namei.c:3340 [inline] lookup_open fs/namei.c:3448 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x1d13/0x5c70 fs/namei.c:3776 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] slab_alloc mm/slub.c:3486 [inline] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] kmem_cache_alloc+0x579/0xa90 mm/slub.c:3502 ntfs_create_inode+0x658/0x4fc0 fs/ntfs3/inode.c:1303 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:422 atomic_open fs/namei.c:3340 [inline] lookup_open fs/namei.c:3448 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0x1d13/0x5c70 fs/namei.c:3776 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_compat_sys_openat fs/open.c:1515 [inline] __se_compat_sys_openat fs/open.c:1513 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1513 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a CPU: 0 PID: 77 Comm: kswapd0 Not tainted 6.7.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 =====================================================