From: syzbot <syzbot+bc537ca7a0efe33988eb@syzkaller.appspotmail.com>
To: bentiss@kernel.org, jikos@kernel.org,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: [syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in report_descriptor_read
Date: Sat, 24 May 2025 03:05:33 -0700 [thread overview]
Message-ID: <683199ed.a70a0220.29d4a0.07f6.GAE@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: d608703fcdd9 Merge tag 'clk-fixes-for-linus' of git://git...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15dbb9f4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=9fd1c9848687d742
dashboard link: https://syzkaller.appspot.com/bug?extid=bc537ca7a0efe33988eb
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/764a3a4c7472/disk-d608703f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1d9ef36d4c3a/vmlinux-d608703f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/cd01e8fdd0d9/bzImage-d608703f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bc537ca7a0efe33988eb@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: slab-use-after-free in report_descriptor_read+0xb5/0x100 drivers/hid/hid-core.c:2196
Read of size 5 at addr ffff888142efe520 by task fido_id/8704
CPU: 1 UID: 0 PID: 8704 Comm: fido_id Not tainted 6.15.0-rc7-syzkaller-00014-gd608703fcdd9 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:408 [inline]
print_report+0xb4/0x290 mm/kasan/report.c:521
kasan_report+0x118/0x150 mm/kasan/report.c:634
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x29a/0x2b0 mm/kasan/generic.c:189
__asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
report_descriptor_read+0xb5/0x100 drivers/hid/hid-core.c:2196
kernfs_file_read_iter fs/kernfs/file.c:251 [inline]
kernfs_fop_read_iter+0x3fb/0x640 fs/kernfs/file.c:280
new_sync_read fs/read_write.c:489 [inline]
vfs_read+0x4cd/0x980 fs/read_write.c:570
ksys_read+0x145/0x250 fs/read_write.c:713
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ca54a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffcf4e82d40 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2ca5bb9880 RCX: 00007f2ca54a7407
RDX: 0000000000001000 RSI: 00007ffcf4e82d90 RDI: 0000000000000004
RBP: 000055976aef1730 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055976aef0930
R13: 00007ffcf4e82d90 R14: 0000000000000004 R15: 00005597608214d8
</TASK>
Allocated by task 10:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kmalloc_node_track_caller_noprof+0x271/0x4e0 mm/slub.c:4346
kmemdup_noprof+0x2b/0x70 mm/util.c:137
_Z14kmemdup_noprofPKvU25pass_dynamic_object_size0mj include/linux/fortify-string.h:765 [inline]
hid_open_report+0x208/0xee0 drivers/hid/hid-core.c:1290
hid_parse include/linux/hid.h:1126 [inline]
bigben_probe+0xbc/0x7f0 drivers/hid/hid-bigbenff.c:386
__hid_device_probe drivers/hid/hid-core.c:2717 [inline]
hid_device_probe+0x397/0x710 drivers/hid/hid-core.c:2754
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
hid_add_device+0x398/0x540 drivers/hid/hid-core.c:2900
usbhid_probe+0xe13/0x12a0 drivers/hid/usbhid/hid-core.c:1432
usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Freed by task 10:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2380 [inline]
slab_free mm/slub.c:4642 [inline]
kfree+0x193/0x440 mm/slub.c:4841
hid_close_report+0x632/0x720 drivers/hid/hid-core.c:727
__hid_device_probe drivers/hid/hid-core.c:2734 [inline]
hid_device_probe+0x5e3/0x710 drivers/hid/hid-core.c:2754
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
hid_add_device+0x398/0x540 drivers/hid/hid-core.c:2900
usbhid_probe+0xe13/0x12a0 drivers/hid/usbhid/hid-core.c:1432
usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
The buggy address belongs to the object at ffff888142efe520
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
freed 8-byte region [ffff888142efe520, ffff888142efe528)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x142efe
flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000000 ffff88801a041500 ffffea000504be80 dead000000000002
raw: 0000000000000000 0000000000800080 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 3299926472, free_ts 3220340853
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1d8/0x230 mm/page_alloc.c:1714
prep_new_page mm/page_alloc.c:1722 [inline]
get_page_from_freelist+0x21ce/0x22b0 mm/page_alloc.c:3684
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4966
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2301
alloc_slab_page mm/slub.c:2450 [inline]
allocate_slab+0x8a/0x3b0 mm/slub.c:2618
new_slab mm/slub.c:2672 [inline]
___slab_alloc+0xbfc/0x1480 mm/slub.c:3858
__slab_alloc mm/slub.c:3948 [inline]
__slab_alloc_node mm/slub.c:4023 [inline]
slab_alloc_node mm/slub.c:4184 [inline]
__do_kmalloc_node mm/slub.c:4326 [inline]
__kmalloc_noprof+0x305/0x4f0 mm/slub.c:4339
kmalloc_noprof include/linux/slab.h:909 [inline]
acpi_ex_allocate_name_string drivers/acpi/acpica/exnames.c:66 [inline]
acpi_ex_get_name_string+0x564/0xc70 drivers/acpi/acpica/exnames.c:367
acpi_ds_create_operand+0x159/0x890 drivers/acpi/acpica/dsutils.c:446
acpi_ds_evaluate_name_path+0x155/0x410 drivers/acpi/acpica/dsutils.c:771
acpi_ds_exec_end_op+0x241/0x1120 drivers/acpi/acpica/dswexec.c:374
acpi_ps_parse_loop+0xc30/0x1ab0 drivers/acpi/acpica/psloop.c:525
acpi_ps_parse_aml+0x22d/0x9b0 drivers/acpi/acpica/psparse.c:475
acpi_ps_execute_method+0x58d/0x7c0 drivers/acpi/acpica/psxface.c:190
acpi_ns_evaluate+0x5a6/0xa20 drivers/acpi/acpica/nseval.c:205
acpi_ut_evaluate_object+0x126/0x4c0 drivers/acpi/acpica/uteval.c:60
page last free pid 1 tgid 1 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
__kmem_cache_do_shrink+0x319/0x390 mm/slub.c:6134
acpi_os_purge_cache+0x15/0x20 drivers/acpi/osl.c:1605
acpi_purge_cached_objects+0x8f/0xd0 drivers/acpi/acpica/utxface.c:239
acpi_initialize_objects+0x2e/0xa0 drivers/acpi/acpica/utxfinit.c:250
acpi_bus_init+0xce/0x6c0 drivers/acpi/bus.c:1367
acpi_init+0xb4/0x240 drivers/acpi/bus.c:1454
do_one_initcall+0x233/0x820 init/main.c:1257
do_initcall_level+0x137/0x1f0 init/main.c:1319
do_initcalls+0x69/0xd0 init/main.c:1335
kernel_init_freeable+0x3d9/0x570 init/main.c:1567
kernel_init+0x1d/0x1d0 init/main.c:1457
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Memory state around the buggy address:
ffff888142efe400: 04 fc fc fc 00 fc fc fc 05 fc fc fc 05 fc fc fc
ffff888142efe480: fa fc fc fc 04 fc fc fc 05 fc fc fc 05 fc fc fc
>ffff888142efe500: fa fc fc fc fa fc fc fc 05 fc fc fc 05 fc fc fc
^
ffff888142efe580: fa fc fc fc 07 fc fc fc 05 fc fc fc 05 fc fc fc
ffff888142efe600: 04 fc fc fc fa fc fc fc 05 fc fc fc 05 fc fc fc
==================================================================
---
This report is generated by a bot. It may contain errors.
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next reply other threads:[~2025-05-24 10:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-24 10:05 syzbot [this message]
2026-08-16 3:03 ` [syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in report_descriptor_read syzbot
2026-10-15 2:08 ` syzbot
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