ffff88806e2e7c80: 80 7c 2e 6e 80 88 ff ff 80 7c 2e 6e 80 88 ff ff  .|.n.....|.n....
ffff88806e2e7c90: 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00  ................
ffff88806e2e7ca0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
ffff88806e2e7cb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
==================================================================
BUG: KASAN: slab-out-of-bounds in hex_dump_to_buffer+0xdea/0xe30 lib/hexdump.c:193
Read of size 1 at addr ffff88806e2e7cc0 by task syz-executor.0/5498

CPU: 1 PID: 5498 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 hex_dump_to_buffer+0xdea/0xe30 lib/hexdump.c:193
 print_hex_dump+0x18c/0x260 lib/hexdump.c:276
 ea_get+0x860/0x12c0 fs/jfs/xattr.c:561
 __jfs_getxattr+0xfd/0x3e0 fs/jfs/xattr.c:807
 jfs_xattr_get+0x3c/0x50 fs/jfs/xattr.c:931
 __vfs_getxattr+0x13b/0x1a0 fs/xattr.c:424
 inode_doinit_use_xattr+0xb5/0x410 security/selinux/hooks.c:1359
 inode_doinit_with_dentry+0x51f/0x12c0 security/selinux/hooks.c:1484
 selinux_d_instantiate+0x26/0x30 security/selinux/hooks.c:6284
 security_d_instantiate+0x54/0xe0 security/security.c:3799
 d_splice_alias+0x94/0xdf0 fs/dcache.c:3145
 jfs_lookup+0x233/0x370 fs/jfs/namei.c:1474
 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3455
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x922/0x2c50 fs/namei.c:3776
 do_filp_open+0x1de/0x430 fs/namei.c:3809
 do_sys_openat2+0x176/0x1e0 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_open fs/open.c:1463 [inline]
 __se_sys_open fs/open.c:1459 [inline]
 __x64_sys_open+0x154/0x1e0 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9a9727ad39
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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9a984ae0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f9a9739bf80 RCX: 00007f9a9727ad39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000340
RBP: 00007f9a972d7567 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9a9739bf80 R15: 00007fffe5c479e8
 </TASK>

Allocated by task 5498:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:763 [inline]
 slab_alloc_node mm/slab.c:3237 [inline]
 slab_alloc mm/slab.c:3246 [inline]
 __kmem_cache_alloc_lru mm/slab.c:3423 [inline]
 kmem_cache_alloc_lru+0x202/0x630 mm/slab.c:3439
 alloc_inode_sb include/linux/fs.h:2937 [inline]
 jfs_alloc_inode+0x25/0x60 fs/jfs/super.c:105
 alloc_inode+0x5d/0x220 fs/inode.c:259
 iget_locked+0x1b3/0x700 fs/inode.c:1314
 jfs_iget+0x1e/0x4c0 fs/jfs/inode.c:29
 jfs_lookup+0x2a4/0x370 fs/jfs/namei.c:1469
 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3455
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x922/0x2c50 fs/namei.c:3776
 do_filp_open+0x1de/0x430 fs/namei.c:3809
 do_sys_openat2+0x176/0x1e0 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_open fs/open.c:1463 [inline]
 __se_sys_open fs/open.c:1459 [inline]
 __x64_sys_open+0x154/0x1e0 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

The buggy address belongs to the object at ffff88806e2e7400
 which belongs to the cache jfs_ip of size 2240
The buggy address is located 0 bytes to the right of
 allocated 2240-byte region [ffff88806e2e7400, ffff88806e2e7cc0)

The buggy address belongs to the physical page:
page:ffffea0001b8b9c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88806e2e7fff pfn:0x6e2e7
memcg:ffff88807b413901
flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0x1()
raw: 00fff00000000800 ffff888141ed8a00 ffffea0001b8b990 ffff888014b3e450
raw: ffff88806e2e7fff ffff88806e2e7400 0000000100000001 ffff88807b413901
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x342050(__GFP_IO|__GFP_NOWARN|__GFP_COMP|__GFP_HARDWALL|__GFP_THISNODE|__GFP_RECLAIMABLE), pid 5498, tgid 5496 (syz-executor.0), ts 110669140848, free_ts 27340969466
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2d0/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1544 [inline]
 get_page_from_freelist+0xa25/0x36d0 mm/page_alloc.c:3312
 __alloc_pages+0x22e/0x2420 mm/page_alloc.c:4568
 __alloc_pages_node include/linux/gfp.h:238 [inline]
 kmem_getpages mm/slab.c:1356 [inline]
 cache_grow_begin+0x99/0x3a0 mm/slab.c:2550
 cache_alloc_refill+0x295/0x3b0 mm/slab.c:2923
 ____cache_alloc mm/slab.c:2999 [inline]
 ____cache_alloc mm/slab.c:2982 [inline]
 __do_cache_alloc mm/slab.c:3182 [inline]
 slab_alloc_node mm/slab.c:3230 [inline]
 slab_alloc mm/slab.c:3246 [inline]
 __kmem_cache_alloc_lru mm/slab.c:3423 [inline]
 kmem_cache_alloc_lru+0x4cc/0x630 mm/slab.c:3439
 alloc_inode_sb include/linux/fs.h:2937 [inline]
 jfs_alloc_inode+0x25/0x60 fs/jfs/super.c:105
 alloc_inode+0x5d/0x220 fs/inode.c:259
 iget_locked+0x1b3/0x700 fs/inode.c:1314
 jfs_iget+0x1e/0x4c0 fs/jfs/inode.c:29
 jfs_lookup+0x2a4/0x370 fs/jfs/namei.c:1469
 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3455
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x922/0x2c50 fs/namei.c:3776
 do_filp_open+0x1de/0x430 fs/namei.c:3809
 do_sys_openat2+0x176/0x1e0 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_open fs/open.c:1463 [inline]
 __se_sys_open fs/open.c:1459 [inline]
 __x64_sys_open+0x154/0x1e0 fs/open.c:1459
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1137 [inline]
 free_unref_page_prepare+0x4fa/0xaa0 mm/page_alloc.c:2347
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2487
 free_contig_range+0xb6/0x190 mm/page_alloc.c:6536
 destroy_args+0xa69/0xe40 mm/debug_vm_pgtable.c:1028
 debug_vm_pgtable+0x16fe/0x3250 mm/debug_vm_pgtable.c:1408
 do_one_initcall+0x11c/0x650 init/main.c:1236
 do_initcall_level init/main.c:1298 [inline]
 do_initcalls init/main.c:1314 [inline]
 do_basic_setup init/main.c:1333 [inline]
 kernel_init_freeable+0x687/0xc10 init/main.c:1551
 kernel_init+0x1c/0x2a0 init/main.c:1441
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242

Memory state around the buggy address:
 ffff88806e2e7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88806e2e7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88806e2e7c80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                           ^
 ffff88806e2e7d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88806e2e7d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================