loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_trim_fs+0x710/0x9e0 fs/ntfs3/bitmap.c:1434 Read of size 2 at addr ffff888147185620 by task syz-executor.0/21406 CPU: 0 PID: 21406 Comm: syz-executor.0 Not tainted 6.1.0-syzkaller-09941-ge2ca6ba6ba01 #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+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:306 print_report+0x107/0x1f0 mm/kasan/report.c:417 kasan_report+0xcd/0x100 mm/kasan/report.c:517 ntfs_trim_fs+0x710/0x9e0 fs/ntfs3/bitmap.c:1434 ntfs_ioctl_fitrim fs/ntfs3/file.c:40 [inline] ntfs_ioctl+0x2d4/0x3a0 fs/ntfs3/file.c:57 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd171e8c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd172bf5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd171fabf80 RCX: 00007fd171e8c0d9 RDX: 00000000200000c0 RSI: 00000000c0185879 RDI: 0000000000000004 RBP: 00007fd171ee7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd34bc00af R14: 00007fd172bf5300 R15: 0000000000022000 Allocated by task 5345: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x3d/0x60 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:968 [inline] __kmalloc_node_track_caller+0xad/0x190 mm/slab_common.c:988 kvasprintf+0xcc/0x180 lib/kasprintf.c:25 kobject_set_name_vargs+0x5d/0x110 lib/kobject.c:257 kobject_add_varg lib/kobject.c:352 [inline] kobject_init_and_add+0xc8/0x160 lib/kobject.c:441 netdev_queue_add_kobject net/core/net-sysfs.c:1666 [inline] netdev_queue_update_kobjects+0x20c/0x4c0 net/core/net-sysfs.c:1718 register_queue_kobjects net/core/net-sysfs.c:1779 [inline] netdev_register_kobject+0x263/0x310 net/core/net-sysfs.c:2019 register_netdevice+0x1043/0x17a0 net/core/dev.c:10045 veth_newlink+0x88a/0xd10 drivers/net/veth.c:1795 rtnl_newlink_create net/core/rtnetlink.c:3407 [inline] __rtnl_newlink net/core/rtnetlink.c:3624 [inline] rtnl_newlink+0x14b3/0x2020 net/core/rtnetlink.c:3637 rtnetlink_rcv_msg+0x822/0xf10 net/core/rtnetlink.c:6141 netlink_rcv_skb+0x1f0/0x470 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] __sys_sendto+0x46e/0x5f0 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff888147185618 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 0 bytes to the right of 8-byte region [ffff888147185618, ffff888147185620) The buggy address belongs to the physical page: page:ffffea00051c6140 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x147185 flags: 0x57ff00000000200(slab|node=1|zone=2|lastcpupid=0x7ff) raw: 057ff00000000200 ffff888012c41280 dead000000000100 dead000000000122 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 0x12c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 8589703558, free_ts 0 prep_new_page mm/page_alloc.c:2531 [inline] get_page_from_freelist+0x742/0x7c0 mm/page_alloc.c:4283 __alloc_pages+0x259/0x560 mm/page_alloc.c:5549 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2118 alloc_slab_page+0xbd/0x190 mm/slub.c:1851 allocate_slab+0x5e/0x3c0 mm/slub.c:1998 new_slab mm/slub.c:2051 [inline] ___slab_alloc+0x782/0xe20 mm/slub.c:3193 __slab_alloc mm/slub.c:3292 [inline] __slab_alloc_node mm/slub.c:3345 [inline] slab_alloc_node mm/slub.c:3442 [inline] __kmem_cache_alloc_node+0x25b/0x340 mm/slub.c:3491 kmalloc_trace+0x26/0x60 mm/slab_common.c:1062 kmalloc include/linux/slab.h:580 [inline] usb_control_msg+0xb7/0x470 drivers/usb/core/message.c:143 usb_get_string+0xa2/0x3b0 drivers/usb/core/message.c:843 usb_string_sub+0x71/0x410 drivers/usb/core/message.c:882 usb_string+0x159/0x320 drivers/usb/core/message.c:987 usb_cache_string+0x7b/0x120 drivers/usb/core/message.c:1029 usb_enumerate_device drivers/usb/core/hub.c:2418 [inline] usb_new_device+0x36f/0x18b0 drivers/usb/core/hub.c:2543 register_root_hub+0x296/0x560 drivers/usb/core/hcd.c:1017 usb_add_hcd+0xbdc/0x11e0 drivers/usb/core/hcd.c:2991 page_owner free stack trace missing Memory state around the buggy address: ffff888147185500: 07 fc fc fc fc 06 fc fc fc fc 05 fc fc fc fc fb ffff888147185580: fc fc fc fc 02 fc fc fc fc 05 fc fc fc fc 00 fc >ffff888147185600: fc fc fc 05 fc fc fc fc fa fc fc fc fc fa fc fc ^ ffff888147185680: fc fc 05 fc fc fc fc 05 fc fc fc fc fb fc fc fc ffff888147185700: fc 06 fc fc fc fc 06 fc fc fc fc 06 fc fc fc fc ==================================================================