loop3: detected capacity change from 0 to 4096 ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) loop3: detected capacity change from 4096 to 0 ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_sb_write+0x211/0x360 fs/ntfs3/fsntfs.c:1066 Read of size 3504 at addr ffff888018cbae00 by task syz.3.15/3040 CPU: 0 PID: 3040 Comm: syz.3.15 Not tainted 6.1.128-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xf4/0x251 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:316 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:427 kasan_report+0x136/0x160 mm/kasan/report.c:531 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 ntfs_sb_write+0x211/0x360 fs/ntfs3/fsntfs.c:1066 ntfs_sb_write_run+0x24c/0x620 fs/ntfs3/fsntfs.c:1117 ntfs_set_ea+0xc9c/0x13a0 fs/ntfs3/xattr.c:499 ntfs_save_wsl_perm+0x128/0x480 fs/ntfs3/xattr.c:976 ntfs3_setattr+0x295/0x910 fs/ntfs3/file.c:816 notify_change+0x937/0xc40 fs/attr.c:499 chmod_common+0x2b2/0x4d0 fs/open.c:606 do_fchmodat fs/open.c:645 [inline] __do_sys_fchmodat fs/open.c:658 [inline] __se_sys_fchmodat fs/open.c:655 [inline] __x64_sys_fchmodat+0x109/0x180 fs/open.c:655 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f437897e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f43797a2038 EFLAGS: 00000246 ORIG_RAX: 000000000000010c RAX: ffffffffffffffda RBX: 00007f4378b35f80 RCX: 00007f437897e719 RDX: 0000000000000141 RSI: 0000000020000200 RDI: ffffffffffffff9c RBP: 00007f43789f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4378b35f80 R15: 00007ffe3350afb8 Allocated by task 3040: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:936 [inline] __kmalloc+0xa6/0x1c0 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] ntfs_set_ea+0x545/0x13a0 fs/ntfs3/xattr.c:401 ntfs_save_wsl_perm+0x128/0x480 fs/ntfs3/xattr.c:976 ntfs3_setattr+0x295/0x910 fs/ntfs3/file.c:816 notify_change+0x937/0xc40 fs/attr.c:499 chmod_common+0x2b2/0x4d0 fs/open.c:606 do_fchmodat fs/open.c:645 [inline] __do_sys_fchmodat fs/open.c:658 [inline] __se_sys_fchmodat fs/open.c:655 [inline] __x64_sys_fchmodat+0x109/0x180 fs/open.c:655 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff888018cbae00 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 0 bytes inside of 32-byte region [ffff888018cbae00, ffff888018cbae20) The buggy address belongs to the physical page: page:ffffea0000632e80 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888018cbaa40 pfn:0x18cba flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 0000000000000000 dead000000000001 ffff88800c841500 raw: ffff888018cbaa40 000000008040003c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY), pid 1082, tgid 1082 (modprobe), ts 11326931388, free_ts 11318576147 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x286/0x2b0 mm/page_alloc.c:2532 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x340b/0x35b0 mm/page_alloc.c:4328 __alloc_pages+0x251/0x640 mm/page_alloc.c:5605 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x70/0x250 mm/slub.c:1992 ___slab_alloc+0x9df/0xe70 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x195/0x250 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:935 [inline] __kmalloc+0x95/0x1c0 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0xa6/0x480 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x4a2/0x4e0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x27b/0x890 security/tomoyo/file.c:822 security_inode_getattr+0x7b/0xe0 security/security.c:1361 vfs_getattr fs/stat.c:158 [inline] vfs_statx+0x138/0x5e0 fs/stat.c:233 vfs_fstatat fs/stat.c:267 [inline] __do_sys_newfstatat fs/stat.c:437 [inline] __se_sys_newfstatat+0xfe/0x790 fs/stat.c:431 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1459 [inline] free_pcp_prepare mm/page_alloc.c:1509 [inline] free_unref_page_prepare+0x10b7/0x13b0 mm/page_alloc.c:3384 free_unref_page_list+0x54b/0x7e0 mm/page_alloc.c:3525 release_pages+0x1c13/0x1dc0 mm/swap.c:1035 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline] tlb_flush_mmu_free mm/mmu_gather.c:254 [inline] tlb_flush_mmu+0xe5/0x1d0 mm/mmu_gather.c:261 tlb_finish_mmu+0xb0/0x1b0 mm/mmu_gather.c:361 exit_mmap+0x330/0x6f0 mm/mmap.c:3250 __mmput+0x9b/0x2e0 kernel/fork.c:1200 exit_mm+0x122/0x1b0 kernel/exit.c:565 do_exit+0x819/0x23a0 kernel/exit.c:858 do_group_exit+0x1b5/0x280 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Memory state around the buggy address: ffff888018cbad00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ffff888018cbad80: fa fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc >ffff888018cbae00: 00 00 04 fc fc fc fc fc fb fb fb fb fc fc fc fc ^ ffff888018cbae80: fb fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff888018cbaf00: fa fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ==================================================================