loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors ntfs3: loop0: Failed to load $Extend. ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:230 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x3b2/0x5b0 fs/ntfs3/xattr.c:751 Read of size 48 at addr ffff8880260096b0 by task syz-executor126/3541 CPU: 1 PID: 3541 Comm: syz-executor126 Not tainted 6.1.69-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 ntfs_list_ea fs/ntfs3/xattr.c:230 [inline] ntfs_listxattr+0x3b2/0x5b0 fs/ntfs3/xattr.c:751 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x282/0x2e0 fs/xattr.c:804 path_listxattr fs/xattr.c:828 [inline] __do_sys_listxattr fs/xattr.c:840 [inline] __se_sys_listxattr fs/xattr.c:837 [inline] __x64_sys_listxattr+0x172/0x230 fs/xattr.c:837 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f68eaffa5f9 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 RSP: 002b:00007fff6fab9998 EFLAGS: 00000246 ORIG_RAX: 00000000000000c2 RAX: ffffffffffffffda RBX: 00007fff6fab9b78 RCX: 00007f68eaffa5f9 RDX: 00000000000000ae RSI: 0000000020000080 RDI: 0000000020000000 RBP: 00007f68eb08c610 R08: 000000000001f1e5 R09: 0000000000000000 R10: 00007fff6fab9860 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff6fab9b68 R14: 0000000000000001 R15: 0000000000000001 Allocated by task 3541: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0xb2/0x230 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] ntfs_read_ea+0x48a/0xa00 fs/ntfs3/xattr.c:117 ntfs_list_ea fs/ntfs3/xattr.c:202 [inline] ntfs_listxattr+0x179/0x5b0 fs/ntfs3/xattr.c:751 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x282/0x2e0 fs/xattr.c:804 path_listxattr fs/xattr.c:828 [inline] __do_sys_listxattr fs/xattr.c:840 [inline] __se_sys_listxattr fs/xattr.c:837 [inline] __x64_sys_listxattr+0x172/0x230 fs/xattr.c:837 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff888026009680 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 48 bytes inside of 64-byte region [ffff888026009680, ffff8880260096c0) The buggy address belongs to the physical page: page:ffffea0000980240 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26009 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea000099bf40 dead000000000004 ffff888012441640 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 8927623238, free_ts 0 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513 prep_new_page mm/page_alloc.c:2520 [inline] get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5545 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2115 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x84/0x2d0 mm/slub.c:1992 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437 kmalloc_trace+0x26/0xe0 mm/slab_common.c:1045 kmalloc include/linux/slab.h:553 [inline] __kthread_create_on_node+0x106/0x520 kernel/kthread.c:421 kthread_create_on_node+0xda/0x120 kernel/kthread.c:512 cec_allocate_adapter+0x402/0x5e0 drivers/media/cec/core/cec-core.c:294 vivid_cec_alloc_adap+0xf1/0x150 drivers/media/test-drivers/vivid/vivid-cec.c:323 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:1934 [inline] vivid_probe+0x4f99/0x7420 drivers/media/test-drivers/vivid/vivid-core.c:2041 platform_probe+0x131/0x1b0 drivers/base/platform.c:1400 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 page_owner free stack trace missing Memory state around the buggy address: ffff888026009580: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc ffff888026009600: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc >ffff888026009680: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff888026009700: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ffff888026009780: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc ==================================================================