loop0: detected capacity change from 0 to 1024
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BUG: KASAN: slab-out-of-bounds in hfsplus_bnode_read+0xc2/0x1e0 fs/hfsplus/bnode.c:32
Read of size 8 at addr ffff8880434989c8 by task syz.0.0/5313

CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00052-g4f79eaa2ceac #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0xb4/0x290 mm/kasan/report.c:521
 kasan_report+0x118/0x150 mm/kasan/report.c:634
 hfsplus_bnode_read+0xc2/0x1e0 fs/hfsplus/bnode.c:32
 hfsplus_bnode_dump+0x300/0x450 fs/hfsplus/bnode.c:-1
 hfsplus_brec_remove+0x480/0x550 fs/hfsplus/brec.c:229
 __hfsplus_delete_attr+0x1d4/0x360 fs/hfsplus/attributes.c:299
 hfsplus_delete_attr+0x231/0x2d0 fs/hfsplus/attributes.c:345
 hfsplus_removexattr fs/hfsplus/xattr.c:792 [inline]
 __hfsplus_setxattr+0x74c/0x1ec0 fs/hfsplus/xattr.c:275
 hfsplus_setxattr+0x11e/0x180 fs/hfsplus/xattr.c:432
 hfsplus_trusted_setxattr+0x40/0x60 fs/hfsplus/xattr_trusted.c:30
 __vfs_removexattr+0x42e/0x470 fs/xattr.c:518
 __vfs_removexattr_locked+0x1ed/0x230 fs/xattr.c:553
 vfs_removexattr+0x80/0x1b0 fs/xattr.c:575
 removexattr fs/xattr.c:1023 [inline]
 filename_removexattr fs/xattr.c:1052 [inline]
 path_removexattrat+0x35d/0x690 fs/xattr.c:1088
 __do_sys_lremovexattr fs/xattr.c:1106 [inline]
 __se_sys_lremovexattr fs/xattr.c:1103 [inline]
 __x64_sys_lremovexattr+0x65/0x80 fs/xattr.c:1103
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f81c258e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f81c3468038 EFLAGS: 00000246 ORIG_RAX: 00000000000000c6
RAX: ffffffffffffffda RBX: 00007f81c27b5fa0 RCX: 00007f81c258e969
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000240
RBP: 00007f81c2610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f81c27b5fa0 R15: 00007ffca1568938
 </TASK>

Allocated by task 5313:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4341 [inline]
 __kmalloc_noprof+0x27a/0x4f0 mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 __hfs_bnode_create+0xf3/0x810 fs/hfsplus/bnode.c:415
 hfsplus_bnode_find+0x224/0xce0 fs/hfsplus/bnode.c:492
 hfsplus_brec_find+0x15c/0x500 fs/hfsplus/bfind.c:172
 hfsplus_attr_exists+0x163/0x1d0 fs/hfsplus/attributes.c:182
 __hfsplus_setxattr+0x44b/0x1ec0 fs/hfsplus/xattr.c:336
 hfsplus_setxattr+0x11e/0x180 fs/hfsplus/xattr.c:432
 hfsplus_trusted_setxattr+0x40/0x60 fs/hfsplus/xattr_trusted.c:30
 __vfs_setxattr+0x439/0x480 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234
 vfs_setxattr+0x16b/0x2f0 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x274/0x600 fs/xattr.c:665
 path_setxattrat+0x364/0x3a0 fs/xattr.c:713
 __do_sys_setxattr fs/xattr.c:747 [inline]
 __se_sys_setxattr fs/xattr.c:743 [inline]
 __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888043498900
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 48 bytes to the right of
 allocated 152-byte region [ffff888043498900, ffff888043498998)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x43498
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000000 ffff88801a0413c0 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080100010 00000000f5000000 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 0x252800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_THISNODE), pid 5313, tgid 5312 (syz.0.0), ts 74651174892, free_ts 74650707393
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1d8/0x230 mm/page_alloc.c:1718
 prep_new_page mm/page_alloc.c:1726 [inline]
 get_page_from_freelist+0x21ce/0x22b0 mm/page_alloc.c:3688
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4970
 alloc_slab_page mm/slub.c:2470 [inline]
 allocate_slab+0x65/0x3b0 mm/slub.c:2632
 new_slab mm/slub.c:2686 [inline]
 ___slab_alloc+0xbfc/0x1480 mm/slub.c:3872
 __slab_alloc mm/slub.c:3962 [inline]
 __slab_alloc_node mm/slub.c:4037 [inline]
 slab_alloc_node mm/slub.c:4198 [inline]
 __do_kmalloc_node mm/slub.c:4340 [inline]
 __kmalloc_node_noprof+0x2fd/0x4e0 mm/slub.c:4347
 kmalloc_array_node_noprof include/linux/slab.h:1020 [inline]
 alloc_slab_obj_exts+0x39/0xa0 mm/slub.c:1992
 __memcg_slab_post_alloc_hook+0x332/0x820 mm/memcontrol.c:3074
 memcg_slab_post_alloc_hook mm/slub.c:2197 [inline]
 slab_post_alloc_hook mm/slub.c:4171 [inline]
 slab_alloc_node mm/slub.c:4210 [inline]
 kmem_cache_alloc_noprof+0x2bf/0x3c0 mm/slub.c:4217
 alloc_buffer_head+0x2a/0x270 fs/buffer.c:3032
 folio_alloc_buffers+0x32d/0x640 fs/buffer.c:937
 create_empty_buffers+0x3a/0x530 fs/buffer.c:1697
 block_read_full_folio+0x116/0x830 fs/buffer.c:2410
 filemap_read_folio+0x114/0x380 mm/filemap.c:2401
 do_read_cache_folio+0x354/0x590 mm/filemap.c:3885
 do_read_cache_page mm/filemap.c:3951 [inline]
 read_cache_page+0x5d/0x170 mm/filemap.c:3960
page last free pid 5313 tgid 5312 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1262 [inline]
 free_unref_folios+0xb81/0x14a0 mm/page_alloc.c:2782
 folios_put_refs+0x559/0x640 mm/swap.c:992
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x346/0xda0 mm/truncate.c:379
 kill_bdev block/bdev.c:91 [inline]
 set_blocksize+0x32a/0x500 block/bdev.c:207
 sb_set_blocksize+0xb3/0x180 block/bdev.c:224
 hfsplus_read_wrapper+0xc15/0xfc0 fs/hfsplus/wrapper.c:250
 hfsplus_fill_super+0x37d/0x1b70 fs/hfsplus/super.c:414
 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1636
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759
 do_new_mount+0x24a/0xa40 fs/namespace.c:3884
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888043498880: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888043498900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888043498980: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
                                              ^
 ffff888043498a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888043498a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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