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BUG: KASAN: slab-out-of-bounds in read_descriptors+0x23c/0x290 drivers/usb/core/sysfs.c:883
Read of size 2 at addr ffff0000cafa92aa by task udevd/4324

CPU: 1 PID: 4324 Comm: udevd Not tainted 5.15.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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_load2_noabort+0x44/0x50 mm/kasan/report_generic.c:307
 read_descriptors+0x23c/0x290 drivers/usb/core/sysfs.c:883
 sysfs_kf_bin_read+0x19c/0x1d4 fs/sysfs/file.c:100
 kernfs_file_read_iter fs/kernfs/file.c:213 [inline]
 kernfs_fop_read_iter+0x32c/0x50c fs/kernfs/file.c:242
 call_read_iter include/linux/fs.h:2097 [inline]
 new_sync_read fs/read_write.c:404 [inline]
 vfs_read+0x86c/0xb10 fs/read_write.c:485
 ksys_read+0x15c/0x26c fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:631
 __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:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Allocated by task 21:
 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_kmalloc+0xbc/0xfc mm/kasan/common.c:513
 __kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc+0x29c/0x4c8 mm/slub.c:4407
 kmalloc include/linux/slab.h:596 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 usb_get_configuration+0xd8/0x4048 drivers/usb/core/config.c:882
 usb_enumerate_device drivers/usb/core/hub.c:2400 [inline]
 usb_new_device+0x12c/0x1448 drivers/usb/core/hub.c:2538
 hub_port_connect drivers/usb/core/hub.c:5358 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
 port_event drivers/usb/core/hub.c:5648 [inline]
 hub_event+0x22e4/0x48c4 drivers/usb/core/hub.c:5730
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

The buggy address belongs to the object at ffff0000cafa9000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 682 bytes inside of
 1024-byte region [ffff0000cafa9000, ffff0000cafa9400)
The buggy address belongs to the page:
page:0000000087e1e79b refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10afa8
head:0000000087e1e79b order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc0003275a00 0000000400000002 ffff0000c0002780
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000cafa9180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000cafa9200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000cafa9280: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
                                  ^
 ffff0000cafa9300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000cafa9380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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