ffff88803a9df780: 80 f7 9d 3a 80 88 ff ff 80 f7 9d 3a 80 88 ff ff  ...:.......:....
ffff88803a9df790: 02 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00  ................
ffff88803a9df7a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
ffff88803a9df7b0: 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+0x72a/0xb90 lib/hexdump.c:193
Read of size 1 at addr ffff88803a9df7c0 by task syz-executor.4/11622

CPU: 1 PID: 11622 Comm: syz-executor.4 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
 print_address_description+0x65/0x4b0 mm/kasan/report.c:317
 print_report+0x108/0x1f0 mm/kasan/report.c:433
 kasan_report+0xc3/0xf0 mm/kasan/report.c:495
 hex_dump_to_buffer+0x72a/0xb90 lib/hexdump.c:193
 print_hex_dump+0x131/0x260 lib/hexdump.c:276
 ea_get+0xcfb/0x1290 fs/jfs/xattr.c:561
 __jfs_getxattr+0xc4/0x400 fs/jfs/xattr.c:807
 jfs_get_acl+0x70/0x140 fs/jfs/acl.c:38
 get_acl+0x157/0x260 fs/posix_acl.c:152
 posix_acl_create+0x126/0x420 fs/posix_acl.c:631
 jfs_init_acl+0x9e/0x4d0 fs/jfs/acl.c:134
 jfs_create+0x1cd/0xb10 fs/jfs/namei.c:103
 lookup_open fs/namei.c:3413 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x12d0/0x2df0 fs/namei.c:3688
 do_filp_open+0x264/0x4f0 fs/namei.c:3718
 do_sys_openat2+0x124/0x4e0 fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_creat fs/open.c:1402 [inline]
 __se_sys_creat fs/open.c:1396 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1396
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf7848b5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbf79551168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fbf785abf80 RCX: 00007fbf7848b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf784e6580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd9b02155f R14: 00007fbf79551300 R15: 0000000000022000
 </TASK>

Allocated by task 11622:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:437 [inline]
 __kasan_slab_alloc+0xa3/0xd0 mm/kasan/common.c:470
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:727 [inline]
 slab_alloc_node mm/slub.c:3248 [inline]
 slab_alloc mm/slub.c:3256 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3263 [inline]
 kmem_cache_alloc_lru+0x175/0x2d0 mm/slub.c:3280
 alloc_inode_sb include/linux/fs.h:3107 [inline]
 jfs_alloc_inode+0x21/0x60 fs/jfs/super.c:105
 alloc_inode fs/inode.c:259 [inline]
 iget_locked+0x191/0x830 fs/inode.c:1286
 jfs_iget+0x20/0x3b0 fs/jfs/inode.c:29
 jfs_lookup+0x1bb/0x380 fs/jfs/namei.c:1462
 __lookup_slow+0x266/0x3a0 fs/namei.c:1685
 lookup_slow+0x53/0x70 fs/namei.c:1702
 walk_component+0x2e1/0x410 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x17d/0x450 fs/namei.c:2474
 filename_lookup+0x274/0x650 fs/namei.c:2503
 user_path_at_empty+0x40/0x1a0 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:514 [inline]
 __se_sys_chdir+0xb8/0x220 fs/open.c:508
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Last potentially related work creation:
 kasan_save_stack+0x2b/0x50 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xaf/0xc0 mm/kasan/generic.c:348
 call_rcu+0x163/0x970 kernel/rcu/tree.c:2796
 jfs_umount+0x110/0x370 fs/jfs/jfs_umount.c:65
 jfs_put_super+0x86/0x190 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x310 fs/super.c:491
 kill_block_super+0x79/0xd0 fs/super.c:1427
 deactivate_locked_super+0xa7/0xf0 fs/super.c:331
 cleanup_mnt+0x4ce/0x560 fs/namespace.c:1186
 task_work_run+0x146/0x1c0 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:294
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x2b/0x50 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xaf/0xc0 mm/kasan/generic.c:348
 call_rcu+0x163/0x970 kernel/rcu/tree.c:2796
 txUpdateMap+0x8eb/0xaa0 fs/jfs/jfs_txnmgr.c:2362
 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
 jfs_lazycommit+0x433/0xba0 fs/jfs/jfs_txnmgr.c:2727
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

The buggy address belongs to the object at ffff88803a9def00
 which belongs to the cache jfs_ip of size 2240
The buggy address is located 0 bytes to the right of
 2240-byte region [ffff88803a9def00, ffff88803a9df7c0)

The buggy address belongs to the physical page:
page:ffffea0000ea7600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3a9d8
head:ffffea0000ea7600 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff88801fd34301
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0000ea3000 dead000000000002 ffff8880193b5280
raw: 0000000000000000 00000000800d000d 00000001ffffffff ffff88801fd34301
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 4170, tgid 4169 (syz-executor.0), ts 186680869352, free_ts 184294094253
 prep_new_page mm/page_alloc.c:2532 [inline]
 get_page_from_freelist+0x742/0x7c0 mm/page_alloc.c:4283
 __alloc_pages+0x259/0x560 mm/page_alloc.c:5549
 alloc_slab_page+0x70/0xf0 mm/slub.c:1829
 allocate_slab+0x5e/0x520 mm/slub.c:1974
 new_slab mm/slub.c:2034 [inline]
 ___slab_alloc+0x3ee/0xc40 mm/slub.c:3036
 __slab_alloc mm/slub.c:3123 [inline]
 slab_alloc_node mm/slub.c:3214 [inline]
 slab_alloc mm/slub.c:3256 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3263 [inline]
 kmem_cache_alloc_lru+0x225/0x2d0 mm/slub.c:3280
 alloc_inode_sb include/linux/fs.h:3107 [inline]
 jfs_alloc_inode+0x21/0x60 fs/jfs/super.c:105
 alloc_inode fs/inode.c:259 [inline]
 new_inode_pseudo+0x61/0x1d0 fs/inode.c:1018
 new_inode+0x25/0x1d0 fs/inode.c:1046
 jfs_fill_super+0x3fd/0xc50 fs/jfs/super.c:544
 mount_bdev+0x26c/0x3a0 fs/super.c:1400
 legacy_get_tree+0xea/0x180 fs/fs_context.c:610
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x289/0xad0 fs/namespace.c:3040
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1449 [inline]
 free_pcp_prepare+0x812/0x900 mm/page_alloc.c:1499
 free_unref_page_prepare mm/page_alloc.c:3380 [inline]
 free_unref_page+0x7d/0x5f0 mm/page_alloc.c:3476
 qlist_free_all+0x2b/0x70 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x169/0x180 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x2f/0xd0 mm/kasan/common.c:447
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:727 [inline]
 slab_alloc_node mm/slub.c:3248 [inline]
 slab_alloc mm/slub.c:3256 [inline]
 kmem_cache_alloc_trace+0x1de/0x310 mm/slub.c:3287
 kmalloc include/linux/slab.h:600 [inline]
 tomoyo_print_header security/tomoyo/audit.c:156 [inline]
 tomoyo_init_log+0x16a/0x1f80 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x38d/0x14f0 security/tomoyo/common.c:2088
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission+0x245/0x360 security/tomoyo/file.c:587
 tomoyo_check_open_permission+0x2a3/0x460 security/tomoyo/file.c:777
 security_file_open+0x50/0x560 security/security.c:1648
 do_dentry_open+0x306/0x11b0 fs/open.c:869
 do_open fs/namei.c:3557 [inline]
 path_openat+0x25fc/0x2df0 fs/namei.c:3691
 do_filp_open+0x264/0x4f0 fs/namei.c:3718
 do_sys_openat2+0x124/0x4e0 fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_openat fs/open.c:1342 [inline]
 __se_sys_openat fs/open.c:1337 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1337

Memory state around the buggy address:
 ffff88803a9df680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88803a9df700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88803a9df780: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                           ^
 ffff88803a9df800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88803a9df880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================