./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor865038486 <...> Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts. execve("./syz-executor865038486", ["./syz-executor865038486"], 0x7ffedfe09680 /* 10 vars */) = 0 brk(NULL) = 0x55555642f000 brk(0x55555642fd00) = 0x55555642fd00 arch_prctl(ARCH_SET_FS, 0x55555642f380) = 0 set_tid_address(0x55555642f650) = 5025 set_robust_list(0x55555642f660, 24) = 0 rseq(0x55555642fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor865038486", 4096) = 27 getrandom("\xaf\x96\x3c\xf7\x28\x7c\x11\x5d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555642fd00 brk(0x555556450d00) = 0x555556450d00 brk(0x555556451000) = 0x555556451000 mprotect(0x7f9e01dd3000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9df9904000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x20\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f9df9904000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 61.186642][ T5025] syz-executor865[5025]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 61.224359][ T5025] loop0: detected capacity change from 0 to 4096 [ 61.236094][ T5025] ntfs: (device loop0): ntfs_is_extended_system_file(): Corrupt file name attribute. You should run chkdsk. [ 61.247638][ T5025] ntfs: (device loop0): ntfs_read_locked_inode(): $DATA attribute is missing. [ 61.256508][ T5025] ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -2. Marking corrupt inode 0x1 as bad. Run chkdsk. [ 61.269479][ T5025] ntfs: (device loop0): load_system_files(): Failed to load $MFTMirr. Mounting read-only. Run ntfsfix and/or chkdsk. mount("/dev/loop0", "./file0", "ntfs", MS_NOSUID, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 openat(AT_FDCWD, ".", O_RDONLY) = 4 [ 61.289275][ T5025] ntfs: volume version 3.1. [ 61.295626][ T5025] ntfs: (device loop0): ntfs_lookup_inode_by_name(): Corrupt directory. Aborting lookup. [ 61.305580][ T5025] ntfs: (device loop0): check_windows_hibernation_status(): Failed to find inode number for hiberfil.sys. [ 61.317323][ T5025] ntfs: (device loop0): load_system_files(): Failed to determine if Windows is hibernated. Will not be able to remount read-write. Run chkdsk. [ 61.339729][ T5025] ================================================================== [ 61.347808][ T5025] BUG: KASAN: slab-out-of-bounds in ntfs_readdir+0xeaa/0x2b80 [ 61.355289][ T5025] Read of size 1 at addr ffff88801fc1b471 by task syz-executor865/5025 [ 61.363531][ T5025] [ 61.365851][ T5025] CPU: 0 PID: 5025 Comm: syz-executor865 Not tainted 6.6.0-syzkaller-00207-g14ab6d425e80 #0 [ 61.375929][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 61.385966][ T5025] Call Trace: [ 61.389222][ T5025] [ 61.392149][ T5025] dump_stack_lvl+0x1e7/0x2d0 [ 61.396819][ T5025] ? nf_tcp_handle_invalid+0x650/0x650 [ 61.402260][ T5025] ? panic+0x770/0x770 [ 61.406312][ T5025] ? _printk+0xd5/0x120 [ 61.410443][ T5025] print_report+0x163/0x540 [ 61.414928][ T5025] ? mutex_unlock+0x10/0x10 [ 61.419415][ T5025] ? __virt_addr_valid+0x22f/0x2e0 [ 61.424504][ T5025] ? __phys_addr+0xba/0x170 [ 61.428985][ T5025] ? ntfs_readdir+0xeaa/0x2b80 [ 61.433726][ T5025] kasan_report+0x175/0x1b0 [ 61.438209][ T5025] ? ntfs_readdir+0xeaa/0x2b80 [ 61.442954][ T5025] ntfs_readdir+0xeaa/0x2b80 [ 61.447524][ T5025] ? __mutex_trylock_common+0x182/0x2e0 [ 61.453071][ T5025] ? read_lock_is_recursive+0x20/0x20 [ 61.458434][ T5025] ? ntfs_dir_fsync+0x470/0x470 [ 61.463270][ T5025] ? clear_nonspinnable+0x60/0x60 [ 61.468275][ T5025] ? mutex_lock_nested+0x20/0x20 [ 61.473202][ T5025] ? ntfs_dir_fsync+0x470/0x470 [ 61.478046][ T5025] wrap_directory_iterator+0x91/0xd0 [ 61.483323][ T5025] iterate_dir+0x1cd/0x540 [ 61.487741][ T5025] __se_sys_getdents64+0x20d/0x4f0 [ 61.493364][ T5025] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.498555][ T5025] ? __x64_sys_getdents64+0x80/0x80 [ 61.503740][ T5025] ? filldir+0x6a0/0x6a0 [ 61.507966][ T5025] ? syscall_enter_from_user_mode+0x32/0x230 [ 61.513939][ T5025] ? syscall_enter_from_user_mode+0x8c/0x230 [ 61.519900][ T5025] do_syscall_64+0x41/0xc0 [ 61.524304][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.530186][ T5025] RIP: 0033:0x7f9e01d415f9 [ 61.534584][ T5025] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 [ 61.554434][ T5025] RSP: 002b:00007fffb18f3438 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 61.562833][ T5025] RAX: ffffffffffffffda RBX: 00007fffb18f3608 RCX: 00007f9e01d415f9 [ 61.570788][ T5025] RDX: 00000000000000ab RSI: 0000000020000080 RDI: 0000000000000004 [ 61.578829][ T5025] RBP: 00007f9e01dd3610 R08: 0000000000000000 R09: 00007fffb18f3608 [ 61.586782][ T5025] R10: 000000000001f1b8 R11: 0000000000000246 R12: 0000000000000001 [ 61.594734][ T5025] R13: 00007fffb18f35f8 R14: 0000000000000001 R15: 0000000000000001 [ 61.602706][ T5025] [ 61.605711][ T5025] [ 61.608017][ T5025] Allocated by task 5025: [ 61.612324][ T5025] kasan_set_track+0x4f/0x70 [ 61.616904][ T5025] __kasan_kmalloc+0x98/0xb0 [ 61.621477][ T5025] __kmalloc+0xb9/0x230 [ 61.625615][ T5025] ntfs_readdir+0x832/0x2b80 [ 61.630184][ T5025] wrap_directory_iterator+0x91/0xd0 [ 61.635452][ T5025] iterate_dir+0x1cd/0x540 [ 61.639853][ T5025] __se_sys_getdents64+0x20d/0x4f0 [ 61.644952][ T5025] do_syscall_64+0x41/0xc0 [ 61.649359][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.655247][ T5025] [ 61.657571][ T5025] The buggy address belongs to the object at ffff88801fc1b400 [ 61.657571][ T5025] which belongs to the cache kmalloc-64 of size 64 [ 61.671446][ T5025] The buggy address is located 57 bytes to the right of [ 61.671446][ T5025] allocated 56-byte region [ffff88801fc1b400, ffff88801fc1b438) [ 61.685927][ T5025] [ 61.688236][ T5025] The buggy address belongs to the physical page: [ 61.694628][ T5025] page:ffffea00007f06c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1fc1b [ 61.704771][ T5025] anon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff) [ 61.712741][ T5025] page_type: 0xffffffff() [ 61.717091][ T5025] raw: 00fff00000000800 ffff888012841640 ffffea00006eb940 0000000000000005 [ 61.725655][ T5025] raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 [ 61.734215][ T5025] page dumped because: kasan: bad access detected [ 61.740603][ T5025] page_owner tracks the page as allocated [ 61.746294][ T5025] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY), pid 4480, tgid 4480 (udevd), ts 19274242242, free_ts 13437306306 [ 61.763810][ T5025] post_alloc_hook+0x1e6/0x210 [ 61.768560][ T5025] get_page_from_freelist+0x31db/0x3360 [ 61.774090][ T5025] __alloc_pages+0x255/0x670 [ 61.778665][ T5025] alloc_slab_page+0x6a/0x160 [ 61.783327][ T5025] new_slab+0x84/0x2f0 [ 61.787377][ T5025] ___slab_alloc+0xc85/0x1310 [ 61.792034][ T5025] __kmem_cache_alloc_node+0x1af/0x270 [ 61.797482][ T5025] __kmalloc+0xa8/0x230 [ 61.801626][ T5025] tomoyo_encode+0x26f/0x530 [ 61.806204][ T5025] tomoyo_realpath_from_path+0x598/0x5e0 [ 61.811822][ T5025] tomoyo_check_open_permission+0x255/0x500 [ 61.817702][ T5025] security_file_open+0x63/0xa0 [ 61.822538][ T5025] do_dentry_open+0x327/0x1590 [ 61.827286][ T5025] path_openat+0x2845/0x3280 [ 61.831858][ T5025] do_filp_open+0x234/0x490 [ 61.836342][ T5025] do_sys_openat2+0x13e/0x1d0 [ 61.841002][ T5025] page last free stack trace: [ 61.845667][ T5025] free_unref_page_prepare+0x8c3/0x9f0 [ 61.851123][ T5025] free_unref_page+0x37/0x3f0 [ 61.855791][ T5025] kasan_depopulate_vmalloc_pte+0x74/0x90 [ 61.861502][ T5025] __apply_to_page_range+0x8e2/0xe00 [ 61.866779][ T5025] kasan_release_vmalloc+0x9a/0xb0 [ 61.871875][ T5025] __purge_vmap_area_lazy+0xc0f/0x19c0 [ 61.877321][ T5025] drain_vmap_area_work+0x40/0xd0 [ 61.882333][ T5025] process_scheduled_works+0x90f/0x1400 [ 61.887887][ T5025] worker_thread+0xa5f/0xff0 [ 61.892456][ T5025] kthread+0x2d3/0x370 [ 61.896508][ T5025] ret_from_fork+0x48/0x80 [ 61.900911][ T5025] ret_from_fork_asm+0x11/0x20 [ 61.905670][ T5025] [ 61.907983][ T5025] Memory state around the buggy address: [ 61.913616][ T5025] ffff88801fc1b300: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 61.921681][ T5025] ffff88801fc1b380: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc [ 61.929727][ T5025] >ffff88801fc1b400: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc [ 61.937776][ T5025] ^ [ 61.945474][ T5025] ffff88801fc1b480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 61.953523][ T5025] ffff88801fc1b500: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 61.961567][ T5025] ================================================================== [ 61.970114][ T5025] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 61.977397][ T5025] CPU: 1 PID: 5025 Comm: syz-executor865 Not tainted 6.6.0-syzkaller-00207-g14ab6d425e80 #0 [ 61.987449][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 61.997495][ T5025] Call Trace: [ 62.000764][ T5025] [ 62.003681][ T5025] dump_stack_lvl+0x1e7/0x2d0 [ 62.008352][ T5025] ? nf_tcp_handle_invalid+0x650/0x650 [ 62.013803][ T5025] ? panic+0x770/0x770 [ 62.017874][ T5025] ? preempt_schedule_common+0x83/0xc0 [ 62.023322][ T5025] ? vscnprintf+0x5d/0x80 [ 62.027635][ T5025] panic+0x30f/0x770 [ 62.031520][ T5025] ? check_panic_on_warn+0x21/0xa0 [ 62.036626][ T5025] ? __memcpy_flushcache+0x2b0/0x2b0 [ 62.041897][ T5025] ? _raw_spin_unlock_irqrestore+0x12c/0x140 [ 62.047862][ T5025] ? _raw_spin_unlock+0x40/0x40 [ 62.052713][ T5025] ? print_report+0x4fb/0x540 [ 62.057380][ T5025] check_panic_on_warn+0x82/0xa0 [ 62.062304][ T5025] ? ntfs_readdir+0xeaa/0x2b80 [ 62.067052][ T5025] end_report+0x6e/0x130 [ 62.071283][ T5025] kasan_report+0x186/0x1b0 [ 62.075780][ T5025] ? ntfs_readdir+0xeaa/0x2b80 [ 62.080534][ T5025] ntfs_readdir+0xeaa/0x2b80 [ 62.085108][ T5025] ? __mutex_trylock_common+0x182/0x2e0 [ 62.090649][ T5025] ? read_lock_is_recursive+0x20/0x20 [ 62.096010][ T5025] ? ntfs_dir_fsync+0x470/0x470 [ 62.100846][ T5025] ? clear_nonspinnable+0x60/0x60 [ 62.105854][ T5025] ? mutex_lock_nested+0x20/0x20 [ 62.110787][ T5025] ? ntfs_dir_fsync+0x470/0x470 [ 62.115623][ T5025] wrap_directory_iterator+0x91/0xd0 [ 62.120902][ T5025] iterate_dir+0x1cd/0x540 [ 62.125310][ T5025] __se_sys_getdents64+0x20d/0x4f0 [ 62.130411][ T5025] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.135597][ T5025] ? __x64_sys_getdents64+0x80/0x80 [ 62.140785][ T5025] ? filldir+0x6a0/0x6a0 [ 62.145015][ T5025] ? syscall_enter_from_user_mode+0x32/0x230 [ 62.150982][ T5025] ? syscall_enter_from_user_mode+0x8c/0x230 [ 62.156947][ T5025] do_syscall_64+0x41/0xc0 [ 62.161354][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.167233][ T5025] RIP: 0033:0x7f9e01d415f9 [ 62.171634][ T5025] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 [ 62.191225][ T5025] RSP: 002b:00007fffb18f3438 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 62.199626][ T5025] RAX: ffffffffffffffda RBX: 00007fffb18f3608 RCX: 00007f9e01d415f9 [ 62.207584][ T5025] RDX: 00000000000000ab RSI: 0000000020000080 RDI: 0000000000000004 [ 62.215540][ T5025] RBP: 00007f9e01dd3610 R08: 0000000000000000 R09: 00007fffb18f3608 [ 62.223496][ T5025] R10: 000000000001f1b8 R11: 0000000000000246 R12: 0000000000000001 [ 62.231451][ T5025] R13: 00007fffb18f35f8 R14: 0000000000000001 R15: 0000000000000001 [ 62.239416][ T5025] [ 62.242608][ T5025] Kernel Offset: disabled [ 62.246921][ T5025] Rebooting in 86400 seconds..