Wind River Support Network

Description

In the Linux kernel, the following vulnerability has been resolved:EOL][EOL]fs/ntfs3: Enhance the attribute size check[EOL][EOL]This combines the overflow and boundary check so that all attribute size[EOL]will be properly examined while enumerating them.[EOL][EOL][  169.181521] BUG: KASAN: slab-out-of-bounds in run_unpack+0x2e3/0x570[EOL][  169.183161] Read of size 1 at addr ffff8880094b6240 by task mount/247[EOL][  169.184046][EOL][  169.184925] CPU: 0 PID: 247 Comm: mount Not tainted 6.0.0-rc7+ #3[EOL][  169.185908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014[EOL][  169.187066] Call Trace:[EOL][  169.187492]  <TASK>[EOL][  169.188049]  dump_stack_lvl+0x49/0x63[EOL][  169.188495]  print_report.cold+0xf5/0x689[EOL][  169.188964]  ? run_unpack+0x2e3/0x570[EOL][  169.189331]  kasan_report+0xa7/0x130[EOL][  169.189714]  ? run_unpack+0x2e3/0x570[EOL][  169.190079]  __asan_load1+0x51/0x60[EOL][  169.190634]  run_unpack+0x2e3/0x570[EOL][  169.191290]  ? run_pack+0x840/0x840[EOL][  169.191569]  ? run_lookup_entry+0xb3/0x1f0[EOL][  169.192443]  ? mi_enum_attr+0x20a/0x230[EOL][  169.192886]  run_unpack_ex+0xad/0x3e0[EOL][  169.193276]  ? run_unpack+0x570/0x570[EOL][  169.193557]  ? ni_load_mi+0x80/0x80[EOL][  169.193889]  ? debug_smp_processor_id+0x17/0x20[EOL][  169.194236]  ? mi_init+0x4a/0x70[EOL][  169.194496]  attr_load_runs_vcn+0x166/0x1c0[EOL][  169.194851]  ? attr_data_write_resident+0x250/0x250[EOL][  169.195188]  mi_read+0x133/0x2c0[EOL][  169.195481]  ntfs_iget5+0x277/0x1780[EOL][  169.196017]  ? call_rcu+0x1c7/0x330[EOL][  169.196392]  ? ntfs_get_block_bmap+0x70/0x70[EOL][  169.196708]  ? evict+0x223/0x280[EOL][  169.197014]  ? __kmalloc+0x33/0x540[EOL][  169.197305]  ? wnd_init+0x15b/0x1b0[EOL][  169.197599]  ntfs_fill_super+0x1026/0x1ba0[EOL][  169.197994]  ? put_ntfs+0x1d0/0x1d0[EOL][  169.198299]  ? vsprintf+0x20/0x20[EOL][  169.198583]  ? mutex_unlock+0x81/0xd0[EOL][  169.198930]  ? set_blocksize+0x95/0x150[EOL][  169.199269]  get_tree_bdev+0x232/0x370[EOL][  169.199750]  ? put_ntfs+0x1d0/0x1d0[EOL][  169.200094]  ntfs_fs_get_tree+0x15/0x20[EOL][  169.200431]  vfs_get_tree+0x4c/0x130[EOL][  169.200714]  path_mount+0x654/0xfe0[EOL][  169.201067]  ? putname+0x80/0xa0[EOL][  169.201358]  ? finish_automount+0x2e0/0x2e0[EOL][  169.201965]  ? putname+0x80/0xa0[EOL][  169.202445]  ? kmem_cache_free+0x1c4/0x440[EOL][  169.203075]  ? putname+0x80/0xa0[EOL][  169.203414]  do_mount+0xd6/0xf0[EOL][  169.203719]  ? path_mount+0xfe0/0xfe0[EOL][  169.203977]  ? __kasan_check_write+0x14/0x20[EOL][  169.204382]  __x64_sys_mount+0xca/0x110[EOL][  169.204711]  do_syscall_64+0x3b/0x90[EOL][  169.205059]  entry_SYSCALL_64_after_hwframe+0x63/0xcd[EOL][  169.205571] RIP: 0033:0x7f67a80e948a[EOL][  169.206327] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008[EOL][  169.208296] RSP: 002b:00007ffddf020f58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5[EOL][  169.209253] RAX: ffffffffffffffda RBX: 000055e2547a6060 RCX: 00007f67a80e948a[EOL][  169.209777] RDX: 000055e2547a6260 RSI: 000055e2547a62e0 RDI: 000055e2547aeaf0[EOL][  169.210342] RBP: 0000000000000000 R08: 000055e2547a6280 R09: 0000000000000020[EOL][  169.210843] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 000055e2547aeaf0[EOL][  169.211307] R13: 000055e2547a6260 R14: 0000000000000000 R15: 00000000ffffffff[EOL][  169.211913]  </TASK>[EOL][  169.212304][EOL][  169.212680] Allocated by task 0:[EOL][  169.212963] (stack is not available)[EOL][  169.213200][EOL][  169.213472] The buggy address belongs to the object at ffff8880094b5e00[EOL][  169.213472]  which belongs to the cache UDP of size 1152[EOL][  169.214095] The buggy address is located 1088 bytes inside of[EOL][  169.214095]  1152-byte region [ffff8880094b5e00, ffff8880094b6280)[EOL][  169.214639][EOL][  169.215004] The buggy address belongs to the physical page:[EOL][  169.215766] page:000000002e324c8c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94b4[EOL][  169.218412] head:000000002e324c8c order:2 compound_mapcount:0 compound_pincount:0[EOL][  169.219078] flags: 0xfffffc0010200(slab (head|node=0|zone=1|lastcpupid=0x1fffff)[EOL)[  169.220272] raw: 000fffffc0010200[EOL]---truncated---