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BUG: KASAN: slab-out-of-bounds in read_descriptors+0x23c/0x290 drivers/usb/core/sysfs.c:884
Read of size 2 at addr ffff0000cac75aaa by task udevd/5970

CPU: 0 PID: 5970 Comm: udevd Not tainted 6.4.0-rc5-syzkaller-g177239177378 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:351 [inline]
 print_report+0x174/0x514 mm/kasan/report.c:462
 kasan_report+0xd4/0x130 mm/kasan/report.c:572
 __asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379
 read_descriptors+0x23c/0x290 drivers/usb/core/sysfs.c:884
 sysfs_kf_bin_read+0x19c/0x1d4 fs/sysfs/file.c:97
 kernfs_file_read_iter fs/kernfs/file.c:251 [inline]
 kernfs_fop_read_iter+0x3ac/0x5c8 fs/kernfs/file.c:280
 call_read_iter include/linux/fs.h:1862 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x5bc/0x8ac fs/read_write.c:470
 ksys_read+0x15c/0x26c fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:621
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Allocated by task 24:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x7c mm/kasan/common.c:52
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:510
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:196 [inline]
 __do_kmalloc_node mm/slab_common.c:966 [inline]
 __kmalloc+0xcc/0x1b8 mm/slab_common.c:979
 kmalloc include/linux/slab.h:563 [inline]
 kzalloc include/linux/slab.h:680 [inline]
 usb_get_configuration+0xd8/0x4054 drivers/usb/core/config.c:882
 usb_enumerate_device drivers/usb/core/hub.c:2407 [inline]
 usb_new_device+0x134/0x142c drivers/usb/core/hub.c:2545
 hub_port_connect drivers/usb/core/hub.c:5407 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x25e4/0x474c drivers/usb/core/hub.c:5793
 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552
 kthread+0x288/0x310 kernel/kthread.c:379
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853

The buggy address belongs to the object at ffff0000cac75800
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 2 bytes to the right of
 allocated 680-byte region [ffff0000cac75800, ffff0000cac75aa8)

The buggy address belongs to the physical page:
page:000000005b6dc155 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ac70
head:000000005b6dc155 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 05ffc00000010200 ffff0000c0002780 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000cac75980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000cac75a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000cac75a80: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
                                  ^
 ffff0000cac75b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000cac75b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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Disabling lock debugging