loop2: detected capacity change from 0 to 32768
find_entry called with index >= next_index
==================================================================
BUG: KASAN: slab-out-of-bounds in ciCompare fs/jfs/jfs_dtree.c:3711 [inline]
BUG: KASAN: slab-out-of-bounds in dtSearch+0x12c0/0x1f34 fs/jfs/jfs_dtree.c:644
Read of size 1 at addr ffff0000de35f714 by task syz.2.71/4573

CPU: 0 PID: 4573 Comm: syz.2.71 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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
 ciCompare fs/jfs/jfs_dtree.c:3711 [inline]
 dtSearch+0x12c0/0x1f34 fs/jfs/jfs_dtree.c:644
 jfs_lookup+0x164/0x39c fs/jfs/namei.c:1459
 __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]
 do_mount fs/namespace.c:3352 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount fs/namespace.c:3540 [inline]
 __arm64_sys_mount+0x4dc/0x5e0 fs/namespace.c:3540
 __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 0:
(stack is not available)

The buggy address belongs to the object at ffff0000de35ef00
 which belongs to the cache jfs_ip of size 2240
The buggy address is located 2068 bytes inside of
 2240-byte region [ffff0000de35ef00, ffff0000de35f7c0)
The buggy address belongs to the page:
page:0000000093f93bb7 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000de358000 pfn:0x11e358
head:0000000093f93bb7 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff0000e919a501
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c681a000
raw: ffff0000de358000 00000000800d0007 00000001ffffffff ffff0000e919a501
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000de35f600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000de35f680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000de35f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                         ^
 ffff0000de35f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000de35f800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================