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BUG: KASAN: slab-out-of-bounds in hfsplus_bnode_read+0x85/0x1c0 fs/hfsplus/bnode.c:32
Read of size 8 at addr ffff88805d8a23e0 by task syz-executor.0/8331

CPU: 1 PID: 8331 Comm: syz-executor.0 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 print_address_description+0x63/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x16b/0x1c0 mm/kasan/report.c:451
 hfsplus_bnode_read+0x85/0x1c0 fs/hfsplus/bnode.c:32
 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:47 [inline]
 hfsplus_bnode_dump+0x3f7/0x7c0 fs/hfsplus/bnode.c:328
 hfsplus_brec_remove+0x428/0x4e0 fs/hfsplus/brec.c:229
 __hfsplus_delete_attr+0x271/0x450 fs/hfsplus/attributes.c:299
 hfsplus_delete_attr+0x34f/0x4a0 fs/hfsplus/attributes.c:345
 __hfsplus_setxattr+0x494/0x22c0 fs/hfsplus/xattr.c:342
 hfsplus_setxattr+0xac/0xe0 fs/hfsplus/xattr.c:434
 hfsplus_user_setxattr+0x3c/0x50 fs/hfsplus/xattr_user.c:30
 __vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x21d/0x420 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x27e/0x2e0 fs/xattr.c:611
 path_setxattr+0x1bc/0x2a0 fs/xattr.c:630
 __do_sys_setxattr fs/xattr.c:646 [inline]
 __se_sys_setxattr fs/xattr.c:642 [inline]
 __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f748d19bca9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f748b6ed0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f748d2ca050 RCX: 00007f748d19bca9
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000020000180
RBP: 00007f748d1e747e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f748d2ca050 R15: 00007ffc2fb7b718
 </TASK>

Allocated by task 8290:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc+0xba/0xf0 mm/kasan/common.c:513
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc+0x168/0x300 mm/slub.c:4407
 kmalloc include/linux/slab.h:596 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 __hfs_bnode_create+0xf9/0xbb0 fs/hfsplus/bnode.c:416
 hfsplus_bnode_find+0x22e/0xe80 fs/hfsplus/bnode.c:497
 hfsplus_brec_find+0x17f/0x570 fs/hfsplus/bfind.c:183
 hfsplus_attr_exists+0x15b/0x1c0 fs/hfsplus/attributes.c:182
 __hfsplus_setxattr+0x453/0x22c0 fs/hfsplus/xattr.c:336
 hfsplus_setxattr+0xac/0xe0 fs/hfsplus/xattr.c:434
 hfsplus_user_setxattr+0x3c/0x50 fs/hfsplus/xattr_user.c:30
 __vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x21d/0x420 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x27e/0x2e0 fs/xattr.c:611
 path_setxattr+0x1bc/0x2a0 fs/xattr.c:630
 __do_sys_setxattr fs/xattr.c:646 [inline]
 __se_sys_setxattr fs/xattr.c:642 [inline]
 __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88805d8a2300
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 32 bytes to the right of
 192-byte region [ffff88805d8a2300, ffff88805d8a23c0)
The buggy address belongs to the page:
page:ffffea0001762880 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5d8a2
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888011c41a00
raw: 0000000000000000 0000000000100010 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 8050, ts 268722446896, free_ts 268606346421
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
 __alloc_pages+0x272/0x700 mm/page_alloc.c:5423
 __alloc_pages_node include/linux/gfp.h:570 [inline]
 alloc_slab_page mm/slub.c:1777 [inline]
 allocate_slab mm/slub.c:1912 [inline]
 new_slab+0xb1/0x4b0 mm/slub.c:1975
 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008
 __slab_alloc mm/slub.c:3095 [inline]
 slab_alloc_node mm/slub.c:3186 [inline]
 __kmalloc_node+0x1fa/0x390 mm/slub.c:4451
 kmalloc_array_node include/linux/slab.h:684 [inline]
 kcalloc_node include/linux/slab.h:689 [inline]
 memcg_alloc_page_obj_cgroups+0x7e/0x120 mm/memcontrol.c:2836
 account_slab_page mm/slab.h:424 [inline]
 allocate_slab mm/slub.c:1928 [inline]
 new_slab+0xfb/0x4b0 mm/slub.c:1975
 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008
 __slab_alloc mm/slub.c:3095 [inline]
 slab_alloc_node mm/slub.c:3186 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x18e/0x280 mm/slub.c:3233
 sock_alloc_inode+0x17/0xb0 net/socket.c:303
 alloc_inode fs/inode.c:236 [inline]
 new_inode_pseudo+0x60/0x210 fs/inode.c:937
 sock_alloc net/socket.c:626 [inline]
 __sock_create+0x11f/0x8d0 net/socket.c:1450
 sock_create net/socket.c:1537 [inline]
 __sys_socket+0x132/0x370 net/socket.c:1579
 __do_sys_socket net/socket.c:1588 [inline]
 __se_sys_socket net/socket.c:1586 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1586
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1340 [inline]
 free_pcp_prepare mm/page_alloc.c:1391 [inline]
 free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 kasan_depopulate_vmalloc_pte+0x66/0x80 mm/kasan/shadow.c:375
 apply_to_pte_range mm/memory.c:2545 [inline]
 apply_to_pmd_range mm/memory.c:2589 [inline]
 apply_to_pud_range mm/memory.c:2625 [inline]
 apply_to_p4d_range mm/memory.c:2661 [inline]
 __apply_to_page_range+0x9bf/0xcc0 mm/memory.c:2695
 kasan_release_vmalloc+0x96/0xb0 mm/kasan/shadow.c:485
 __purge_vmap_area_lazy+0x15ae/0x1740 mm/vmalloc.c:1704
 _vm_unmap_aliases+0x453/0x4e0 mm/vmalloc.c:2107
 vm_remove_mappings mm/vmalloc.c:2584 [inline]
 __vunmap+0x72e/0xa20 mm/vmalloc.c:2611
 bpf_jit_binary_free kernel/bpf/core.c:914 [inline]
 bpf_jit_free+0x92/0x180 kernel/bpf/core.c:927
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300

Memory state around the buggy address:
 ffff88805d8a2280: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88805d8a2300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88805d8a2380: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                       ^
 ffff88805d8a2400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88805d8a2480: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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