loop0: detected capacity change from 0 to 4096 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 hdr_find_e.isra.0+0x527/0x590 fs/ntfs3/index.c:689 Read of size 2 at addr ffff88807556f820 by task syz-executor288/3605 CPU: 1 PID: 3605 Comm: syz-executor288 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+0xcd/0x134 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:317 [inline] print_report.cold+0x2ba/0x719 mm/kasan/report.c:433 kasan_report+0xb1/0x1e0 mm/kasan/report.c:495 hdr_find_e.isra.0+0x527/0x590 fs/ntfs3/index.c:689 indx_find+0x4ff/0x980 fs/ntfs3/index.c:1085 dir_search_u+0x232/0x3f0 fs/ntfs3/dir.c:254 ntfs_lookup+0x174/0x1e0 fs/ntfs3/namei.c:83 lookup_open.isra.0+0x76a/0x12a0 fs/namei.c:3391 open_last_lookups fs/namei.c:3481 [inline] path_openat+0x996/0x28f0 fs/namei.c:3688 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310 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+0x13f/0x1f0 fs/open.c:1337 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: 0033:0x7fa73f975609 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:00007fff43533598 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fa73f9ba0d8 RCX: 00007fa73f975609 RDX: 000000000000275a RSI: 0000000020000240 RDI: 00000000ffffff9c RBP: 00007fa73f9b9ef0 R08: 00007fff43533460 R09: 00007fff435335c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa73f9b9d68 R13: 00007fa73f9b9b40 R14: 00007fa73f9b9958 R15: 00007fa73f9b9730 Allocated by task 3341: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:437 [inline] ____kasan_kmalloc mm/kasan/common.c:516 [inline] ____kasan_kmalloc mm/kasan/common.c:475 [inline] __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:525 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:733 [inline] tomoyo_dump_page+0x57d/0x6f0 security/tomoyo/domain.c:906 tomoyo_environ security/tomoyo/domain.c:637 [inline] tomoyo_find_next_domain+0xc58/0x1f80 security/tomoyo/domain.c:879 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:101 [inline] tomoyo_bprm_check_security+0x121/0x1a0 security/tomoyo/tomoyo.c:91 security_bprm_check+0x45/0xa0 security/security.c:867 search_binary_handler fs/exec.c:1713 [inline] exec_binprm fs/exec.c:1766 [inline] bprm_execve fs/exec.c:1835 [inline] bprm_execve+0x732/0x1960 fs/exec.c:1797 do_execveat_common+0x727/0x890 fs/exec.c:1940 do_execve fs/exec.c:2014 [inline] __do_sys_execve fs/exec.c:2090 [inline] __se_sys_execve fs/exec.c:2085 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:2085 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 Freed by task 3341: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:367 [inline] ____kasan_slab_free+0x166/0x1c0 mm/kasan/common.c:329 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1759 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1785 slab_free mm/slub.c:3539 [inline] kfree+0xe2/0x580 mm/slub.c:4567 tomoyo_environ security/tomoyo/domain.c:687 [inline] tomoyo_find_next_domain+0x1467/0x1f80 security/tomoyo/domain.c:879 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:101 [inline] tomoyo_bprm_check_security+0x121/0x1a0 security/tomoyo/tomoyo.c:91 security_bprm_check+0x45/0xa0 security/security.c:867 search_binary_handler fs/exec.c:1713 [inline] exec_binprm fs/exec.c:1766 [inline] bprm_execve fs/exec.c:1835 [inline] bprm_execve+0x732/0x1960 fs/exec.c:1797 do_execveat_common+0x727/0x890 fs/exec.c:1940 do_execve fs/exec.c:2014 [inline] __do_sys_execve fs/exec.c:2090 [inline] __se_sys_execve fs/exec.c:2085 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:2085 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 ffff88807556e000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 2080 bytes to the right of 4096-byte region [ffff88807556e000, ffff88807556f000) The buggy address belongs to the physical page: page:ffffea0001d55a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x75568 head:ffffea0001d55a00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888011842140 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3341, tgid 3341 (dhcpcd), ts 19113161462, free_ts 19062492792 prep_new_page mm/page_alloc.c:2532 [inline] get_page_from_freelist+0x109b/0x2ce0 mm/page_alloc.c:4283 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5549 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:1829 [inline] allocate_slab+0x27e/0x3d0 mm/slub.c:1974 new_slab mm/slub.c:2034 [inline] ___slab_alloc+0x84f/0xe80 mm/slub.c:3036 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3123 slab_alloc_node mm/slub.c:3214 [inline] slab_alloc mm/slub.c:3256 [inline] kmem_cache_alloc_trace+0x323/0x3e0 mm/slub.c:3287 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:733 [inline] tomoyo_find_next_domain+0x126/0x1f80 security/tomoyo/domain.c:714 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:101 [inline] tomoyo_bprm_check_security+0x121/0x1a0 security/tomoyo/tomoyo.c:91 security_bprm_check+0x45/0xa0 security/security.c:867 search_binary_handler fs/exec.c:1713 [inline] exec_binprm fs/exec.c:1766 [inline] bprm_execve fs/exec.c:1835 [inline] bprm_execve+0x732/0x1960 fs/exec.c:1797 do_execveat_common+0x727/0x890 fs/exec.c:1940 do_execve fs/exec.c:2014 [inline] __do_sys_execve fs/exec.c:2090 [inline] __se_sys_execve fs/exec.c:2085 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:2085 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 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+0x5e4/0xd20 mm/page_alloc.c:1499 free_unref_page_prepare mm/page_alloc.c:3380 [inline] free_unref_page+0x19/0x4d0 mm/page_alloc.c:3476 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2553 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0xa2/0xc0 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+0x267/0x3b0 mm/slub.c:3273 getname_flags.part.0+0x50/0x4f0 fs/namei.c:139 getname_flags+0x9a/0xe0 include/linux/audit.h:320 vfs_fstatat+0x73/0xb0 fs/stat.c:266 __do_sys_newfstatat+0x94/0x120 fs/stat.c:437 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 Memory state around the buggy address: ffff88807556f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88807556f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88807556f800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88807556f880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88807556f900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================