loop3: detected capacity change from 0 to 4096 ntfs3: loop3: Different NTFS sector size (2048) and media sector size (512). ===================================================== BUG: KMSAN: uninit-value in ntfs_write_bh+0x249/0xda0 fs/ntfs3/fsntfs.c:1402 ntfs_write_bh+0x249/0xda0 fs/ntfs3/fsntfs.c:1402 mi_write+0xda/0x2c0 fs/ntfs3/record.c:346 ni_write_inode+0xda0/0x1e20 fs/ntfs3/frecord.c:3360 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1026 write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x843/0x12b0 fs/fs-writeback.c:1668 writeback_single_inode+0x57b/0xb30 fs/fs-writeback.c:1724 sync_inode_metadata+0x9b/0xd0 fs/fs-writeback.c:2786 ntfs_set_state+0x718/0x980 fs/ntfs3/fsntfs.c:995 ntfs_create_inode+0x6ab/0x4ea0 fs/ntfs3/inode.c:1307 ntfs_atomic_open+0x90a/0xbb0 fs/ntfs3/namei.c:422 atomic_open fs/namei.c:3358 [inline] lookup_open fs/namei.c:3466 [inline] open_last_lookups fs/namei.c:3563 [inline] path_openat+0x2164/0x5a00 fs/namei.c:3793 do_filp_open+0x20d/0x590 fs/namei.c:3823 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_compat_sys_open fs/open.c:1488 [inline] __se_compat_sys_open fs/open.c:1486 [inline] __ia32_compat_sys_open+0x26c/0x2c0 fs/open.c:1486 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: slab_post_alloc_hook+0x12f/0xb70 mm/slab.h:767 slab_alloc_node mm/slub.c:3478 [inline] __kmem_cache_alloc_node+0x536/0x8d0 mm/slub.c:3517 kmalloc_trace+0x51/0x200 mm/slab_common.c:1114 kmalloc include/linux/slab.h:599 [inline] syslog_print+0xa2/0x16d0 kernel/printk/printk.c:1553 do_syslog+0x668/0x1120 kernel/printk/printk.c:1732 __do_sys_syslog kernel/printk/printk.c:1824 [inline] __se_sys_syslog kernel/printk/printk.c:1822 [inline] __x64_sys_syslog+0x93/0xe0 kernel/printk/printk.c:1822 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd CPU: 0 PID: 7397 Comm: syz-executor.3 Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 =====================================================