ntfs3: loop1: Failed to initialize $Extend/$Reparse. ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:223 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x395/0x550 fs/ntfs3/xattr.c:725 Read of size 48 at addr ffff888089ac4330 by task syz-executor.1/16070 CPU: 1 PID: 16070 Comm: syz-executor.1 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:351 [inline] print_report+0x163/0x540 mm/kasan/report.c:462 kasan_report+0x176/0x1b0 mm/kasan/report.c:572 kasan_check_range+0x283/0x290 mm/kasan/generic.c:187 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 ntfs_list_ea fs/ntfs3/xattr.c:223 [inline] ntfs_listxattr+0x395/0x550 fs/ntfs3/xattr.c:725 vfs_listxattr fs/xattr.c:494 [inline] listxattr+0x103/0x280 fs/xattr.c:841 path_listxattr fs/xattr.c:865 [inline] __do_sys_llistxattr fs/xattr.c:883 [inline] __se_sys_llistxattr fs/xattr.c:880 [inline] __x64_sys_llistxattr+0x173/0x230 fs/xattr.c:880 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa96948c149 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 RSP: 002b:00007fa96a17f168 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 RAX: ffffffffffffffda RBX: 00007fa9695abf80 RCX: 00007fa96948c149 RDX: 0000000000001000 RSI: 0000000020000ac0 RDI: 0000000020000000 RBP: 00007fa9694e7cad R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4d321d7f R14: 00007fa96a17f300 R15: 0000000000022000 Allocated by task 16070: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4f/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:196 [inline] __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc+0xb9/0x230 mm/slab_common.c:979 kmalloc include/linux/slab.h:563 [inline] ntfs_read_ea+0x48e/0xa00 fs/ntfs3/xattr.c:118 ntfs_list_ea fs/ntfs3/xattr.c:203 [inline] ntfs_listxattr+0x17a/0x550 fs/ntfs3/xattr.c:725 vfs_listxattr fs/xattr.c:494 [inline] listxattr+0x103/0x280 fs/xattr.c:841 path_listxattr fs/xattr.c:865 [inline] __do_sys_llistxattr fs/xattr.c:883 [inline] __se_sys_llistxattr fs/xattr.c:880 [inline] __x64_sys_llistxattr+0x173/0x230 fs/xattr.c:880 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:491 kvfree_call_rcu+0x109/0x8d0 kernel/rcu/tree.c:3332 sctp_bind_addr_clean net/sctp/bind_addr.c:131 [inline] sctp_bind_addr_free+0x135/0x170 net/sctp/bind_addr.c:140 sctp_association_free+0x28c/0x7b0 net/sctp/associola.c:356 sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:944 [inline] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1327 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline] sctp_do_sm+0x4352/0x6030 net/sctp/sm_sideeffect.c:1169 sctp_assoc_bh_rcv+0x3f1/0x640 net/sctp/associola.c:1051 sctp_backlog_rcv+0x173/0x3c0 net/sctp/input.c:331 sk_backlog_rcv include/net/sock.h:1115 [inline] __release_sock+0x19c/0x4b0 net/core/sock.c:2917 release_sock+0x61/0x1c0 net/core/sock.c:3484 sctp_getsockopt+0xb6a/0xbb0 net/sctp/socket.c:8280 __sys_getsockopt+0x2b6/0x5e0 net/socket.c:2317 __do_sys_getsockopt net/socket.c:2332 [inline] __se_sys_getsockopt net/socket.c:2329 [inline] __x64_sys_getsockopt+0xb5/0xd0 net/socket.c:2329 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff888089ac4300 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 48 bytes inside of allocated 60-byte region [ffff888089ac4300, ffff888089ac433c) The buggy address belongs to the physical page: page:ffffea000226b100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89ac4 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000200 ffff888012441640 ffffea00021f5700 dead000000000004 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 13182, tgid 13181 (syz-executor.4), ts 599544853381, free_ts 599430219843 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1731 prep_new_page mm/page_alloc.c:1738 [inline] get_page_from_freelist+0x321c/0x33a0 mm/page_alloc.c:3502 __alloc_pages+0x255/0x670 mm/page_alloc.c:4768 alloc_slab_page+0x6a/0x160 mm/slub.c:1851 allocate_slab mm/slub.c:1998 [inline] new_slab+0x84/0x2f0 mm/slub.c:2051 ___slab_alloc+0xa85/0x10a0 mm/slub.c:3192 __slab_alloc mm/slub.c:3291 [inline] __slab_alloc_node mm/slub.c:3344 [inline] slab_alloc_node mm/slub.c:3441 [inline] __kmem_cache_alloc_node+0x1b8/0x290 mm/slub.c:3490 kmalloc_trace+0x2a/0xe0 mm/slab_common.c:1057 kmalloc include/linux/slab.h:559 [inline] kzalloc include/linux/slab.h:680 [inline] sctp_add_bind_addr+0x89/0x3a0 net/sctp/bind_addr.c:150 sctp_copy_local_addr_list+0x2eb/0x4c0 net/sctp/protocol.c:165 sctp_bind_addr_copy+0xad/0x3b0 net/sctp/bind_addr.c:56 sctp_connect_new_asoc+0x2e9/0x6b0 net/sctp/socket.c:1094 __sctp_connect+0x65b/0xe10 net/sctp/socket.c:1196 __sctp_setsockopt_connectx net/sctp/socket.c:1335 [inline] sctp_getsockopt_connectx3+0x46b/0x720 net/sctp/socket.c:1420 sctp_getsockopt+0x8db/0xbb0 net/sctp/socket.c:8118 __sys_getsockopt+0x2b6/0x5e0 net/socket.c:2317 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1302 [inline] free_unref_page_prepare+0x903/0xa30 mm/page_alloc.c:2564 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2659 tlb_batch_list_free mm/mmu_gather.c:113 [inline] tlb_finish_mmu+0x11f/0x1f0 mm/mmu_gather.c:394 unmap_region+0x258/0x2a0 mm/mmap.c:2222 do_vmi_align_munmap+0x1123/0x1820 mm/mmap.c:2473 do_vmi_munmap+0x24a/0x2b0 mm/mmap.c:2530 __vm_munmap+0x226/0x470 mm/mmap.c:2805 __do_sys_munmap mm/mmap.c:2830 [inline] __se_sys_munmap mm/mmap.c:2827 [inline] __x64_sys_munmap+0x69/0x80 mm/mmap.c:2827 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff888089ac4200: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888089ac4280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff888089ac4300: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff888089ac4380: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ffff888089ac4400: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ==================================================================