ntfs3: loop1: Different NTFS sector size (2048) and media sector size (512). ntfs3: loop1: Mark volume as dirty due to NTFS errors ================================================================== BUG: KASAN: slab-use-after-free in ntfs_write_bh+0x54/0x660 fs/ntfs3/fsntfs.c:1401 Read of size 8 at addr ffff0000d8598000 by task syz-executor.1/32606 CPU: 1 PID: 32606 Comm: syz-executor.1 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x174/0x514 mm/kasan/report.c:475 kasan_report+0xd8/0x138 mm/kasan/report.c:588 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 ntfs_write_bh+0x54/0x660 fs/ntfs3/fsntfs.c:1401 mi_write+0x9c/0x1cc fs/ntfs3/record.c:346 ni_write_inode+0xb30/0xd88 fs/ntfs3/frecord.c:3360 ntfs3_write_inode+0x70/0x98 fs/ntfs3/inode.c:1026 write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x5a8/0x146c fs/fs-writeback.c:1668 writeback_single_inode+0x1c0/0x64c fs/fs-writeback.c:1724 sync_inode_metadata+0xd4/0x144 fs/fs-writeback.c:2786 ntfs_set_state+0x458/0x608 fs/ntfs3/fsntfs.c:995 ntfs_iget5+0x718/0x2b1c fs/ntfs3/inode.c:539 ntfs_fill_super+0x2218/0x3ed4 fs/ntfs3/super.c:1198 get_tree_bdev+0x33c/0x4a8 fs/super.c:1577 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1637 vfs_get_tree+0x90/0x288 fs/super.c:1750 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335 path_mount+0x590/0xe04 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Allocated by task 1607: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x7c mm/kasan/common.c:52 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:511 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1023 [inline] __kmalloc_node_track_caller+0xd0/0x1c0 mm/slab_common.c:1043 kmalloc_reserve+0x11c/0x23c net/core/skbuff.c:581 __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:650 alloc_skb include/linux/skbuff.h:1286 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:748 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline] nsim_dev_trap_report_work+0x1f0/0x924 drivers/net/netdevsim/dev.c:850 process_one_work+0x694/0x1204 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2784 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857 The buggy address belongs to the object at ffff0000d8598000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 0 bytes inside of freed 4096-byte region [ffff0000d8598000, ffff0000d8599000) The buggy address belongs to the physical page: page:00000000fd14e91c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x118598 head:00000000fd14e91c order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x5ffc00000000840(slab|head|node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000000840 ffff0000c0002140 fffffc00036cc600 dead000000000002 raw: 0000000000000000 0000000080040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000d8597f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000d8597f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000d8598000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000d8598080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000d8598100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ntfs3: loop1: Failed to load $MFTMirr (-22).