00000000fca6e8bb: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000005f3ae911: 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 ffff0000edc44980 by task syz-executor.1/5598

CPU: 0 PID: 5598 Comm: syz-executor.1 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 5598:
 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

The buggy address belongs to the object at ffff0000edc440c0
 which belongs to the cache jfs_ip of size 2240
The buggy address is located 0 bytes to the right of
 2240-byte region [ffff0000edc440c0, ffff0000edc44980)
The buggy address belongs to the page:
page:00000000af430968 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000edc40000 pfn:0x12dc40
head:00000000af430968 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff0000e678c101
flags: 0x5ffe00000010200(slab|head|node=0|zone=2|lastcpupid=0xfff)
raw: 05ffe00000010200 0000000000000000 dead000000000122 ffff0000c0b57380
raw: ffff0000edc40000 00000000800d000c 00000001ffffffff ffff0000e678c101
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000edc44880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000edc44900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000edc44980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff0000edc44a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000edc44a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
00000000f34a63ed: 00 4a c4 ed 00 00 ff ff de 15 00 00 e5 03 00 80  .J..............
00000000a038c4db: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
0000000051a34bf2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000005a48453c: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000006d2a1017: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000007f762152: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000002ed89360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000001da42786: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000009fdabeb8: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000ec66c939: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000f11b72d5: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000007ed04d10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000002a0c6b91: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000000425122bf: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
0000000071b3cfa7: 00 00 00 00 00 00 00 00 00 00 00 ff 00 00 00 00  ................
00000000bec1088c: 00 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de  .............N..
0000000068b7932f: ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
0000000009604c3c: 00 39 58 18 00 80 ff ff 00 00 00 00 00 00 00 00  .9X.............
000000008e2ca41f: 00 00 00 00 00 00 00 00 a0 a6 e2 11 00 80 ff ff  ................
00000000ea20c3dd: 00 02 00 00 00 00 00 00 b8 4a c4 ed 00 00 ff ff  .........J......
0000000033d51280: b8 4a c4 ed 00 00 ff ff 00 00 00 00 00 00 00 00  .J..............
00000000a9d789f2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
000000003a015508: 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00  .....N..........
00000000b540b107: ff ff ff ff ff ff ff ff b0 54 f5 16 00 80 ff ff  .........T......
00000000192f7e72: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
0000000044c26f9c: 20 a0 ae 11 00 80 ff ff 00 02 00 00 00 00 00 00   ...............