R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f1a99f9bf80 R15: 00007ffdd50705e8 ================================================================== BUG: KASAN: invalid-free in indx_insert_into_buffer.isra.0+0xec4/0x11f0 fs/ntfs3/index.c:1912 Free of addr ffff88801c22c018 by task syz-executor.0/5511 CPU: 0 PID: 5511 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00344-g037266a5f723-dirty #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report_invalid_free+0xab/0xd0 mm/kasan/report.c:550 ____kasan_slab_free+0x17d/0x190 mm/kasan/common.c:216 kasan_slab_free include/linux/kasan.h:164 [inline] __cache_free mm/slab.c:3370 [inline] __do_kmem_cache_free mm/slab.c:3557 [inline] __kmem_cache_free+0xcc/0x3d0 mm/slab.c:3564 indx_insert_into_buffer.isra.0+0xec4/0x11f0 fs/ntfs3/index.c:1912 indx_insert_entry+0x1a5/0x460 fs/ntfs3/index.c:1984 ni_add_name+0x4d9/0x820 fs/ntfs3/frecord.c:3055 ni_rename+0xa1/0x1a0 fs/ntfs3/frecord.c:3087 ntfs_rename+0x91f/0xec0 fs/ntfs3/namei.c:322 vfs_rename+0x13e0/0x1c30 fs/namei.c:4844 do_renameat2+0xc3c/0xdc0 fs/namei.c:4996 __do_sys_rename fs/namei.c:5042 [inline] __se_sys_rename fs/namei.c:5040 [inline] __x64_sys_rename+0x81/0xa0 fs/namei.c:5040 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f1a99e7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1a9ab210c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f1a99f9bf80 RCX: 00007f1a99e7cae9 RDX: 0000000000000000 RSI: 0000000020000a40 RDI: 0000000020000300 RBP: 00007f1a9ab21120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f1a99f9bf80 R15: 00007ffdd50705e8 Allocated by task 5511: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa3/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1007 [inline] __kmalloc+0x59/0x90 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] indx_read+0x4f1/0xcd0 fs/ntfs3/index.c:1059 indx_find+0x4a9/0x980 fs/ntfs3/index.c:1181 indx_insert_entry+0x376/0x460 fs/ntfs3/index.c:1961 ni_add_name+0x4d9/0x820 fs/ntfs3/frecord.c:3055 ni_rename+0xa1/0x1a0 fs/ntfs3/frecord.c:3087 ntfs_rename+0x91f/0xec0 fs/ntfs3/namei.c:322 vfs_rename+0x13e0/0x1c30 fs/namei.c:4844 do_renameat2+0xc3c/0xdc0 fs/namei.c:4996 __do_sys_rename fs/namei.c:5042 [inline] __se_sys_rename fs/namei.c:5040 [inline] __x64_sys_rename+0x81/0xa0 fs/namei.c:5040 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b The buggy address belongs to the object at ffff88801c22c000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 24 bytes inside of 4096-byte region [ffff88801c22c000, ffff88801c22d000) The buggy address belongs to the physical page: page:ffffea0000708b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c22c head:ffffea0000708b00 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0x1() raw: 00fff00000000840 ffff888013040900 ffffea0000b89390 ffffea0000701e90 raw: 0000000000000000 ffff88801c22c000 0000000100000001 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 1, migratetype Unmovable, gfp_mask 0x342040(__GFP_IO|__GFP_NOWARN|__GFP_COMP|__GFP_HARDWALL|__GFP_THISNODE), pid 5318, tgid 5318 (dhcpcd-run-hook), ts 63150203847, free_ts 63102034837 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d0/0x350 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0xa25/0x36d0 mm/page_alloc.c:3312 __alloc_pages+0x22e/0x2420 mm/page_alloc.c:4568 __alloc_pages_node include/linux/gfp.h:238 [inline] kmem_getpages mm/slab.c:1356 [inline] cache_grow_begin+0x99/0x3a0 mm/slab.c:2550 cache_alloc_refill+0x295/0x3b0 mm/slab.c:2923 ____cache_alloc mm/slab.c:2999 [inline] ____cache_alloc mm/slab.c:2982 [inline] __do_cache_alloc mm/slab.c:3182 [inline] slab_alloc_node mm/slab.c:3230 [inline] __kmem_cache_alloc_node+0x3ba/0x460 mm/slab.c:3521 kmalloc_trace+0x25/0x60 mm/slab_common.c:1098 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:721 [inline] tomoyo_environ security/tomoyo/domain.c:633 [inline] tomoyo_find_next_domain+0xc08/0x2020 security/tomoyo/domain.c:878 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:101 [inline] tomoyo_bprm_check_security+0x12b/0x1d0 security/tomoyo/tomoyo.c:91 security_bprm_check+0x6a/0xe0 security/security.c:1103 search_binary_handler fs/exec.c:1725 [inline] exec_binprm fs/exec.c:1779 [inline] bprm_execve fs/exec.c:1854 [inline] bprm_execve+0x73a/0x1a90 fs/exec.c:1810 do_execveat_common.isra.0+0x5d3/0x740 fs/exec.c:1962 do_execve fs/exec.c:2036 [inline] __do_sys_execve fs/exec.c:2112 [inline] __se_sys_execve fs/exec.c:2107 [inline] __x64_sys_execve+0x8c/0xb0 fs/exec.c:2107 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x4fa/0xaa0 mm/page_alloc.c:2347 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2487 slab_destroy mm/slab.c:1608 [inline] slabs_destroy+0x85/0xc0 mm/slab.c:1628 cache_flusharray mm/slab.c:3341 [inline] ___cache_free+0x2b7/0x420 mm/slab.c:3404 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x4c/0x1b0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:763 [inline] slab_alloc_node mm/slab.c:3237 [inline] slab_alloc mm/slab.c:3246 [inline] __kmem_cache_alloc_lru mm/slab.c:3423 [inline] kmem_cache_alloc+0x159/0x360 mm/slab.c:3432 getname_flags.part.0+0x50/0x4e0 fs/namei.c:140 getname_flags+0x9c/0xf0 include/linux/audit.h:321 vfs_fstatat+0x9a/0x140 fs/stat.c:294 __do_sys_newfstatat+0x98/0x110 fs/stat.c:459 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b Memory state around the buggy address: ffff88801c22bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88801c22bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88801c22c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff88801c22c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88801c22c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================