loop1: detected capacity change from 0 to 32768
==================================================================
BUG: KASAN: slab-out-of-bounds in addressPXD fs/jfs/jfs_types.h:80 [inline]
BUG: KASAN: slab-out-of-bounds in dtReadFirst+0x3f0/0xa1c fs/jfs/jfs_dtree.c:3403
Read of size 4 at addr ffff0000dc3bbe10 by task syz.1.145/4686

CPU: 0 PID: 4686 Comm: syz.1.145 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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_load4_noabort+0x44/0x50 mm/kasan/report_generic.c:308
 addressPXD fs/jfs/jfs_types.h:80 [inline]
 dtReadFirst+0x3f0/0xa1c fs/jfs/jfs_dtree.c:3403
 jfs_readdir+0x6b8/0x3030 fs/jfs/jfs_dtree.c:3116
 iterate_dir+0x1f4/0x4ec
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64 fs/readdir.c:354 [inline]
 __arm64_sys_getdents64+0x1c4/0x4c4 fs/readdir.c:354
 __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 ffff0000dc3bb780
 which belongs to the cache jfs_ip of size 2240
The buggy address is located 1680 bytes inside of
 2240-byte region [ffff0000dc3bb780, ffff0000dc3bc040)
The buggy address belongs to the page:
page:00000000737fa6ef refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11c3b8
head:00000000737fa6ef order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff0000e6c62901
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0b55500
raw: 0000000000000000 00000000800d000d 00000001ffffffff ffff0000e6c62901
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000dc3bbd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000dc3bbd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000dc3bbe00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                         ^
 ffff0000dc3bbe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000dc3bbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
MetaData crosses page boundary!!
lblock = 11ffff8000, size  = 1456996352
CPU: 1 PID: 4686 Comm: syz.1.145 Tainted: G    B             5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 __get_metapage+0xb54/0x1128 fs/jfs/jfs_metapage.c:597
 dtReadFirst+0xc8/0xa1c fs/jfs/jfs_dtree.c:3362
 jfs_readdir+0x6b8/0x3030 fs/jfs/jfs_dtree.c:3116
 iterate_dir+0x1f4/0x4ec
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64 fs/readdir.c:354 [inline]
 __arm64_sys_getdents64+0x1c4/0x4c4 fs/readdir.c:354
 __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
bread failed!