==================================================================
BUG: KASAN: slab-out-of-bounds in mcp2221_raw_event+0xf98/0x1030 drivers/hid/hid-mcp2221.c:852
Read of size 1 at addr ffff88811a3effff by task kworker/1:5/5242
CPU: 1 UID: 0 PID: 5242 Comm: kworker/1:5 Not tainted 6.13.0-rc4-syzkaller-00076-gf097a36ef88d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xc3/0x620 mm/kasan/report.c:489
kasan_report+0xd9/0x110 mm/kasan/report.c:602
mcp2221_raw_event+0xf98/0x1030 drivers/hid/hid-mcp2221.c:852
__hid_input_report.constprop.0+0x312/0x440 drivers/hid/hid-core.c:2111
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
__usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17f7/0x3960 drivers/usb/gadget/udc/dummy_hcd.c:1993
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820
handle_softirqs+0x206/0x8d0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xfa/0x160 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211
Code: 00 e8 b0 d1 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 ee 3a 20 00 48 85 db 0f 85 55 01 00 00 e8 70 38 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 15 fc 79
RSP: 0018:ffffc90001f9e5a8 EFLAGS: 00000246
RAX: ffffffff893a9458 RBX: 0000000000000000 RCX: ffffc90012041000
RDX: 0000000000100000 RSI: ffffffff813b3340 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000009 R12: ffffffff893a9458
R13: ffffffff893a9400 R14: ffffc90001f9e638 R15: dffffc0000000000
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
dev_vprintk_emit drivers/base/core.c:4935 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4946
__dev_printk+0xf5/0x270 drivers/base/core.c:4958
_dev_warn+0xe5/0x120 drivers/base/core.c:5002
dualshock4_get_calibration_data+0xfbe/0x18c0 drivers/hid/hid-playstation.c:1933
dualshock4_create drivers/hid/hid-playstation.c:2622 [inline]
ps_probe drivers/hid/hid-playstation.c:2720 [inline]
ps_probe+0x1030/0x4340 drivers/hid/hid-playstation.c:2696
__hid_device_probe drivers/hid/hid-core.c:2718 [inline]
hid_device_probe+0x349/0x700 drivers/hid/hid-core.c:2755
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
device_add+0x114b/0x1a70 drivers/base/core.c:3665
hid_add_device+0x374/0xa60 drivers/hid/hid-core.c:2901
usbhid_probe+0xd32/0x1400 drivers/hid/usbhid/hid-core.c:1431
usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
device_add+0x114b/0x1a70 drivers/base/core.c:3665
usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
device_add+0x114b/0x1a70 drivers/base/core.c:3665
usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Allocated by task 5444:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_node_noprof+0x20d/0x4c0 mm/slub.c:4304
__kvmalloc_node_noprof+0xad/0x1a0 mm/util.c:650
seq_buf_alloc fs/seq_file.c:38 [inline]
seq_read_iter+0x82a/0x12b0 fs/seq_file.c:210
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x87f/0xbe0 fs/read_write.c:565
ksys_read+0x12b/0x250 fs/read_write.c:708
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 5444:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x37/0x50 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4613 [inline]
kfree+0x130/0x470 mm/slub.c:4761
kvfree+0x47/0x50 mm/util.c:693
seq_release+0x4b/0x80 fs/seq_file.c:355
kernfs_fop_release+0xf4/0x1e0 fs/kernfs/file.c:766
__fput+0x3f8/0xb60 fs/file_table.c:450
__fput_sync+0xa1/0xc0 fs/file_table.c:535
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x86/0x100 fs/open.c:1539
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88811a3ee000
which belongs to the cache kmalloc-cg-4k of size 4096
The buggy address is located 4095 bytes to the right of
allocated 4096-byte region [ffff88811a3ee000, ffff88811a3ef000)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a3e8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff888119ddb981
flags: 0x200000000000040(head|node=0|zone=2)
page_type: f5(slab)
raw: 0200000000000040 ffff88810004f500 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000040004 00000001f5000000 ffff888119ddb981
head: 0200000000000040 ffff88810004f500 dead000000000100 dead000000000122
head: 0000000000000000 0000000000040004 00000001f5000000 ffff888119ddb981
head: 0200000000000003 ffffea000468fa01 ffffffffffffffff 0000000000000000
head: ffff888100000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2846, tgid 2846 (udevd), ts 568555080821, free_ts 563262405326
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0xe76/0x2b90 mm/page_alloc.c:3476
__alloc_pages_noprof+0x21c/0x22a0 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0xeb/0x400 mm/mempolicy.c:2269
alloc_slab_page mm/slub.c:2423 [inline]
allocate_slab mm/slub.c:2589 [inline]
new_slab+0x2c9/0x410 mm/slub.c:2642
___slab_alloc+0xd1d/0x16e0 mm/slub.c:3830
__slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
__slab_alloc_node mm/slub.c:3995 [inline]
slab_alloc_node mm/slub.c:4156 [inline]
__do_kmalloc_node mm/slub.c:4297 [inline]
__kmalloc_node_noprof+0x159/0x4c0 mm/slub.c:4304
__kvmalloc_node_noprof+0xad/0x1a0 mm/util.c:650
seq_buf_alloc fs/seq_file.c:38 [inline]
seq_read_iter+0x82a/0x12b0 fs/seq_file.c:210
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x87f/0xbe0 fs/read_write.c:565
ksys_read+0x12b/0x250 fs/read_write.c:708
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5444 tgid 5444 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0x661/0xe40 mm/page_alloc.c:2659
__put_partials+0x14c/0x170 mm/slub.c:3157
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_node_noprof+0x150/0x3b0 mm/slub.c:4220
__alloc_skb+0x2b1/0x380 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1323 [inline]
netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1196
netlink_sendmsg+0x689/0xd70 net/netlink/af_netlink.c:1866
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
____sys_sendmsg+0xaaf/0xc90 net/socket.c:2583
___sys_sendmsg+0x135/0x1e0 net/socket.c:2637
__sys_sendmsg+0x16e/0x220 net/socket.c:2669
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff88811a3efe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88811a3eff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88811a3eff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff88811a3f0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88811a3f0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e8 b0 d1 27 00 call 0x27d1b5
5: 9c pushf
6: 5b pop %rbx
7: 81 e3 00 02 00 00 and $0x200,%ebx
d: 31 ff xor %edi,%edi
f: 48 89 de mov %rbx,%rsi
12: e8 ee 3a 20 00 call 0x203b05
17: 48 85 db test %rbx,%rbx
1a: 0f 85 55 01 00 00 jne 0x175
20: e8 70 38 20 00 call 0x203895
25: fb sti
26: 4c 89 e0 mov %r12,%rax
* 29: 48 c1 e8 03 shr $0x3,%rax <-- trapping instruction
2d: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
32: 0f 84 11 ff ff ff je 0xffffff49
38: 4c 89 e7 mov %r12,%rdi
3b: e8 .byte 0xe8
3c: 15 .byte 0x15
3d: fc cld
3e: 79 .byte 0x79