00000000c13f33e2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000523cb458: 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+0x5dc/0x984 lib/hexdump.c:193
Read of size 1 at addr ffff0000dcbca480 by task syz-executor.3/6841

CPU: 0 PID: 6841 Comm: syz-executor.3 Not tainted 5.15.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 __asan_report_load1_noabort+0x44/0x50 mm/kasan/report_generic.c:306
 hex_dump_to_buffer+0x5dc/0x984 lib/hexdump.c:193
 print_hex_dump+0x140/0x248 lib/hexdump.c:276
 ea_get+0xa04/0xef0 fs/jfs/xattr.c:561
 __jfs_setxattr+0xe0/0x13ac fs/jfs/xattr.c:671
 __jfs_xattr_set+0xf8/0x190 fs/jfs/xattr.c:917
 jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:941
 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
 vfs_setxattr+0x1a8/0x344 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x250/0x2b4 fs/xattr.c:611
 path_setxattr+0x17c/0x258 fs/xattr.c:630
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Allocated by task 6841:
 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_slab_alloc+0x8c/0xcc mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x1dc/0x45c mm/slub.c:3233
 jfs_alloc_inode+0x24/0x60 fs/jfs/super.c:105
 alloc_inode fs/inode.c:236 [inline]
 iget_locked+0x180/0x720 fs/inode.c:1244
 jfs_iget+0x30/0x364 fs/jfs/inode.c:29
 jfs_lookup+0x1e8/0x39c fs/jfs/namei.c:1467
 __lookup_slow+0x250/0x388 fs/namei.c:1663
 lookup_slow+0x60/0x84 fs/namei.c:1680
 walk_component+0x394/0x4cc fs/namei.c:1976
 lookup_last fs/namei.c:2431 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2455
 filename_lookup+0x1c4/0x4c8 fs/namei.c:2484
 user_path_at_empty+0x5c/0x1a4 fs/namei.c:2883
 user_path_at include/linux/namei.h:57 [inline]
 path_setxattr+0xbc/0x258 fs/xattr.c:625
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Last potentially related work creation:
 kasan_save_stack+0x38/0x68 mm/kasan/common.c:38
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 __call_rcu kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x118/0xb40 kernel/rcu/tree.c:3087
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5fc/0x68c fs/inode.c:602
 iput_final fs/inode.c:1705 [inline]
 iput+0x744/0x824 fs/inode.c:1731
 diFreeSpecial+0x78/0x108 fs/jfs/jfs_imap.c:549
 jfs_umount+0x118/0x338 fs/jfs/jfs_umount.c:65
 jfs_put_super+0x90/0x188 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x29c fs/super.c:475
 kill_block_super+0x70/0xdc fs/super.c:1414
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

The buggy address belongs to the object at ffff0000dcbc9bc0
 which belongs to the cache jfs_ip of size 2240
The buggy address is located 0 bytes to the right of
 2240-byte region [ffff0000dcbc9bc0, ffff0000dcbca480)
The buggy address belongs to the page:
page:000000000ea44554 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000dcbca500 pfn:0x11cbc8
head:000000000ea44554 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff0000d630d501
flags: 0x5ffe00000010200(slab|head|node=0|zone=2|lastcpupid=0xfff)
raw: 05ffe00000010200 0000000000000000 dead000000000122 ffff0000c0b59c80
raw: ffff0000dcbca500 00000000800d0007 00000001ffffffff ffff0000d630d501
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000dcbca380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000dcbca400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000dcbca480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff0000dcbca500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000dcbca580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
00000000c3e66056: 00 00 00 00 00 00 00 00 b9 1a 00 00 33 04 a0 a4  ............3...
00000000618d4008: b0 03 80 cd 00 00 00 00 38 44 e2 e9 00 00 ff ff  ........8D......
00000000037bdc9a: 01 17 00 00 b0 03 20 bb 00 00 00 00 00 00 00 00  ...... .........
00000000cff9a0ae: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000214a0c72: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000aec2fc6a: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000009e82c77c: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000000e991acc: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000003f58fbe4: 10 00 00 00 ed 41 01 00 00 00 00 00 00 00 00 00  .....A..........
000000002de8addb: 04 00 00 00 1c 00 00 00 00 00 00 00 00 00 00 00  ................
00000000e46973a8: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000009bb86a38: 00 00 00 00 00 00 00 00 f0 f1 7c 63 00 00 00 00  ..........|c....
00000000dec3ead8: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000fd69b210: f0 9f bc dc 00 00 ff ff 00 00 00 00 00 00 00 00  ................
00000000e0a4d9f4: 00 00 00 00 00 00 00 00 00 00 00 ff 00 00 00 00  ................
00000000b2bf6ffd: 00 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de  .............N..
00000000ec693216: ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
000000009909fcae: 00 39 58 18 00 80 ff ff 00 af 0d 17 00 80 ff ff  .9X.............
000000009ab0e4fa: 00 00 00 00 00 00 00 00 a0 a6 e2 11 00 80 ff ff  ................
00000000ce80158f: 00 02 00 00 00 00 00 00 b8 a5 bc dc 00 00 ff ff  ................
000000002e3136ff: b8 a5 bc dc 00 00 ff ff 00 00 00 00 00 00 00 00  ................
0000000083ba203c: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000fb744a0b: 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00  .....N..........
000000005e6f57f6: ff ff ff ff ff ff ff ff b0 54 f5 16 00 80 ff ff  .........T......
00000000d9577d30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000be1d0213: 20 a0 ae 11 00 80 ff ff 00 02 00 00 00 00 00 00   ...............