loop0: detected capacity change from 0 to 67541 ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_trim_fs+0x84b/0x940 fs/ntfs3/bitmap.c:1434 Read of size 2 at addr ffff8880171ddc82 by task syz-executor388/5240 CPU: 0 PID: 5240 Comm: syz-executor388 Not tainted 6.1.0-rc3-next-20221104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:253 [inline] print_report+0x15e/0x45d mm/kasan/report.c:364 kasan_report+0xbb/0x1f0 mm/kasan/report.c:464 ntfs_trim_fs+0x84b/0x940 fs/ntfs3/bitmap.c:1434 ntfs_ioctl_fitrim+0x23e/0x340 fs/ntfs3/file.c:40 ntfs_ioctl+0x9c/0xd0 fs/ntfs3/file.c:57 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f44454cf189 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdaed331f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4445514818 RCX: 00007f44454cf189 RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000003 RBP: 00007f4445514630 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f444548e9c4 R11: 0000000000000246 R12: 00007f44455141c0 R13: 00007f4445512b40 R14: 00030030454c4946 R15: 0000000000000000 Allocated by task 5240: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45 kasan_set_track+0x21/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:376 [inline] ____kasan_kmalloc mm/kasan/common.c:335 [inline] __kasan_kmalloc+0xa1/0xb0 mm/kasan/common.c:385 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0x54/0xc0 mm/slab_common.c:968 kmalloc_array include/linux/slab.h:639 [inline] kcalloc include/linux/slab.h:670 [inline] wnd_init+0x2fb/0x460 fs/ntfs3/bitmap.c:664 ntfs_fill_super+0x27eb/0x3e00 fs/ntfs3/super.c:1144 get_tree_bdev+0x440/0x760 fs/super.c:1324 vfs_get_tree+0x89/0x2f0 fs/super.c:1531 do_new_mount fs/namespace.c:3145 [inline] path_mount+0x1326/0x1e20 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3696 [inline] __se_sys_mount fs/namespace.c:3673 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3673 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff8880171ddc80 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 2 bytes inside of 8-byte region [ffff8880171ddc80, ffff8880171ddc88) The buggy address belongs to the physical page: page:ffffea00005c7740 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x171dd anon flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffff888011841280 0000000000000000 dead000000000001 raw: 0000000000000000 0000000080660066 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 2212731647, free_ts 2174585188 prep_new_page mm/page_alloc.c:2554 [inline] get_page_from_freelist+0x10b5/0x2d50 mm/page_alloc.c:4303 __alloc_pages+0x1c7/0x5a0 mm/page_alloc.c:5562 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2118 alloc_pages+0x22f/0x270 mm/mempolicy.c:2280 alloc_slab_page mm/slub.c:1794 [inline] allocate_slab+0x207/0x2c0 mm/slub.c:1941 new_slab mm/slub.c:1994 [inline] ___slab_alloc+0xa91/0x1400 mm/slub.c:3172 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3271 slab_alloc_node mm/slub.c:3356 [inline] __kmem_cache_alloc_node+0x191/0x3e0 mm/slub.c:3429 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0x44/0xc0 mm/slab_common.c:968 acpi_ns_internalize_name drivers/acpi/acpica/nsutils.c:331 [inline] acpi_ns_internalize_name+0xf2/0x1a1 drivers/acpi/acpica/nsutils.c:312 acpi_ns_get_node_unlocked drivers/acpi/acpica/nsutils.c:666 [inline] acpi_ns_get_node_unlocked+0x1d8/0x278 drivers/acpi/acpica/nsutils.c:635 acpi_ns_get_node+0x4b/0x6a drivers/acpi/acpica/nsutils.c:726 acpi_get_handle+0x129/0x211 drivers/acpi/acpica/nsxfname.c:98 acpi_has_method+0x6e/0xb0 drivers/acpi/utils.c:591 acpi_bus_get_flags drivers/acpi/scan.c:1088 [inline] acpi_init_device_object+0x62f/0x18b0 drivers/acpi/scan.c:1771 acpi_add_single_object+0xeb/0x1b00 drivers/acpi/scan.c:1819 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1461 [inline] free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1511 free_unref_page_prepare mm/page_alloc.c:3402 [inline] free_unref_page+0x19/0x4d0 mm/page_alloc.c:3498 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2578 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187 kasan_quarantine_remove_cache+0xd2/0xf0 mm/kasan/quarantine.c:402 kmem_cache_shrink+0x9/0x20 mm/slab_common.c:514 acpi_os_purge_cache+0x11/0x20 drivers/acpi/osl.c:1580 acpi_purge_cached_objects+0xcd/0xd0 drivers/acpi/acpica/utxface.c:240 acpi_initialize_objects+0x2b/0x95 drivers/acpi/acpica/utxfinit.c:250 acpi_bus_init drivers/acpi/bus.c:1317 [inline] acpi_init+0x1d0/0x9dc drivers/acpi/bus.c:1405 do_one_initcall+0x13d/0x780 init/main.c:1306 do_initcall_level init/main.c:1379 [inline] do_initcalls init/main.c:1395 [inline] do_basic_setup init/main.c:1414 [inline] kernel_init_freeable+0x6f9/0x782 init/main.c:1634 kernel_init+0x1a/0x1d0 init/main.c:1522 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Memory state around the buggy address: ffff8880171ddb80: fc fc fb fc fc fc fc fb fc fc fc fc fb fc fc fc ffff8880171ddc00: fc fb fc fc fc fc fb fc fc fc fc fa fc fc fc fc >ffff8880171ddc80: 02 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc fa ^ ffff8880171ddd00: fc fc fc fc fa fc fc fc fc fa fc fc fc fc 00 fc ffff8880171ddd80: fc fc fc fa fc fc fc fc fa fc fc fc fc fa fc fc ==================================================================