ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) ================================================================== BUG: KASAN: out-of-bounds in folio_batch_count include/linux/pagevec.h:108 [inline] BUG: KASAN: out-of-bounds in truncate_inode_pages_range+0x55c/0x17b0 mm/truncate.c:371 Read of size 1 at addr ffffc9000ab0f8a0 by task syz-executor.1/602 CPU: 0 PID: 602 Comm: syz-executor.1 Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description+0x65/0x4b0 mm/kasan/report.c:317 print_report+0x108/0x220 mm/kasan/report.c:433 kasan_report+0xfb/0x130 mm/kasan/report.c:495 folio_batch_count include/linux/pagevec.h:108 [inline] truncate_inode_pages_range+0x55c/0x17b0 mm/truncate.c:371 ntfs_evict_inode+0x18/0xb0 fs/ntfs3/inode.c:1741 evict+0x2a4/0x620 fs/inode.c:664 ntfs_fill_super+0x3c6c/0x4420 fs/ntfs3/super.c:1190 get_tree_bdev+0x400/0x620 fs/super.c:1323 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fba5ae8bada Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fba5bfdbf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fba5ae8bada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fba5bfdbfe0 RBP: 00007fba5bfdc020 R08: 00007fba5bfdc020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fba5bfdbfe0 R15: 0000000020000040 The buggy address belongs to stack of task syz-executor.1/602 and is located at offset 32 in frame: truncate_inode_pages_range+0x0/0x17b0 This frame has 2 objects: [32, 160) 'fbatch' [192, 312) 'indices' The buggy address belongs to the virtual mapping at [ffffc9000ab08000, ffffc9000ab11000) created by: dup_task_struct+0x8b/0x490 kernel/fork.c:977 The buggy address belongs to the physical page: page:ffffea00007eb700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1fadc memcg:ffff88801efa9102 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff ffff88801efa9102 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 555, tgid 555 (syz-executor.0), ts 1397202759734, free_ts 1395945781974 prep_new_page mm/page_alloc.c:2532 [inline] get_page_from_freelist+0x72b/0x7a0 mm/page_alloc.c:4283 __alloc_pages+0x259/0x560 mm/page_alloc.c:5549 vm_area_alloc_pages mm/vmalloc.c:2958 [inline] __vmalloc_area_node mm/vmalloc.c:3026 [inline] __vmalloc_node_range+0x8f4/0x1290 mm/vmalloc.c:3196 alloc_thread_stack_node+0x307/0x500 kernel/fork.c:312 dup_task_struct+0x8b/0x490 kernel/fork.c:977 copy_process+0x637/0x3f60 kernel/fork.c:2085 kernel_clone+0x22f/0x7a0 kernel/fork.c:2671 __do_sys_clone kernel/fork.c:2805 [inline] __se_sys_clone kernel/fork.c:2789 [inline] __x64_sys_clone+0x276/0x2e0 kernel/fork.c:2789 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1449 [inline] free_pcp_prepare+0x812/0x900 mm/page_alloc.c:1499 free_unref_page_prepare mm/page_alloc.c:3380 [inline] free_unref_page+0x7d/0x630 mm/page_alloc.c:3476 qlist_free_all+0x2b/0x70 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x169/0x180 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:447 kasan_slab_alloc include/linux/kasan.h:224 [inline] slab_post_alloc_hook mm/slab.h:727 [inline] slab_alloc_node mm/slub.c:3248 [inline] slab_alloc mm/slub.c:3256 [inline] __kmem_cache_alloc_lru mm/slub.c:3263 [inline] kmem_cache_alloc+0x1a6/0x310 mm/slub.c:3273 getname_flags+0xb8/0x4e0 fs/namei.c:139 do_sys_openat2+0xd2/0x500 fs/open.c:1304 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1337 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffffc9000ab0f780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000ab0f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc9000ab0f880: f1 f1 f1 f1 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffffc9000ab0f900: 00 00 00 00 f2 f2 f2 f2 00 00 00 00 00 00 00 00 ffffc9000ab0f980: 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 ==================================================================