==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy include/linux/fortify-string.h:225 [inline]
BUG: KASAN: slab-out-of-bounds in usb_hcd_poll_rh_status+0x376/0x780 drivers/usb/core/hcd.c:774
Write of size 2 at addr ffff88807bc56398 by task syz-executor.5/22703
CPU: 1 PID: 22703 Comm: syz-executor.5 Not tainted 5.16.0-rc2-next-20211125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_address_description.constprop.0.cold+0xa5/0x3ed mm/kasan/report.c:247
__kasan_report mm/kasan/report.c:433 [inline]
kasan_report.cold+0x83/0xdf mm/kasan/report.c:450
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
memcpy+0x39/0x60 mm/kasan/shadow.c:66
memcpy include/linux/fortify-string.h:225 [inline]
usb_hcd_poll_rh_status+0x376/0x780 drivers/usb/core/hcd.c:774
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 4a 71 0b f8 48 89 ef e8 92 e7 0b f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 e3 a8 fe f7 65 8b 05 3c 0f b1 76 85 c0 74 0a 5b 5d c3 e8 80 cc
RSP: 0018:ffffc90002b1f970 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1b223e9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff8ca36100 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817e2d88 R11: 0000000000000000 R12: ffff8881474e0180
R13: ffff88801e136c40 R14: ffff8881474e0000 R15: 0000000000000000
spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
rh_queue_status drivers/usb/core/hcd.c:832 [inline]
rh_urb_enqueue drivers/usb/core/hcd.c:839 [inline]
usb_hcd_submit_urb+0x15ed/0x22c0 drivers/usb/core/hcd.c:1544
usb_submit_urb+0x86d/0x18a0 drivers/usb/core/urb.c:594
proc_do_submiturb+0x169d/0x3630 drivers/usb/core/devio.c:1943
proc_submiturb drivers/usb/core/devio.c:1975 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2671 [inline]
usbdev_ioctl+0x692/0x36c0 drivers/usb/core/devio.c:2791
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f520fc0fae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f520d185188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f520fd22f60 RCX: 00007f520fc0fae9
RDX: 0000000020000000 RSI: 000000008038550a RDI: 0000000000000004
RBP: 00007f520fc69f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc10b095f R14: 00007f520d185300 R15: 0000000000022000
Allocated by task 22703:
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc mm/kasan/common.c:513 [inline]
____kasan_kmalloc mm/kasan/common.c:472 [inline]
__kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:522
kmalloc include/linux/slab.h:595 [inline]
proc_do_submiturb+0x2a7d/0x3630 drivers/usb/core/devio.c:1816
proc_submiturb drivers/usb/core/devio.c:1975 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2671 [inline]
usbdev_ioctl+0x692/0x36c0 drivers/usb/core/devio.c:2791
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
The buggy address belongs to the object at ffff88807bc56398
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
8-byte region [ffff88807bc56398, ffff88807bc563a0)
The buggy address belongs to the page:
page:ffffea0001ef1580 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7bc56
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000001 ffff888010c41280
raw: 0000000000000000 0000000080660066 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 6549, ts 268860414896, free_ts 268860283265
prep_new_page mm/page_alloc.c:2433 [inline]
get_page_from_freelist+0xa72/0x2f40 mm/page_alloc.c:4164
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5376
alloc_pages+0x1a7/0x300 mm/mempolicy.c:2192
alloc_slab_page mm/slub.c:1793 [inline]
allocate_slab mm/slub.c:1930 [inline]
new_slab+0x261/0x460 mm/slub.c:1993
___slab_alloc+0x798/0xf30 mm/slub.c:3022
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3109
slab_alloc_node mm/slub.c:3200 [inline]
__kmalloc_node+0x2cb/0x380 mm/slub.c:4467
kmalloc_node include/linux/slab.h:613 [inline]
__vmalloc_area_node mm/vmalloc.c:2940 [inline]
__vmalloc_node_range+0x473/0xab0 mm/vmalloc.c:3065
__vmalloc_node mm/vmalloc.c:3115 [inline]
vzalloc+0x67/0x80 mm/vmalloc.c:3185
xt_counters_alloc+0x4c/0x70 net/netfilter/x_tables.c:1379
__do_replace+0x9a/0x870 net/ipv4/netfilter/ip_tables.c:1049
do_replace net/ipv4/netfilter/ip_tables.c:1140 [inline]
do_ipt_set_ctl+0x901/0xb80 net/ipv4/netfilter/ip_tables.c:1630
nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0x3c3/0x3a90 net/ipv4/ip_sockglue.c:1444
tcp_setsockopt+0x136/0x2520 net/ipv4/tcp.c:3686
__sys_setsockopt+0x2db/0x610 net/socket.c:2176
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1351 [inline]
free_pcp_prepare+0x414/0xb60 mm/page_alloc.c:1403
free_unref_page_prepare mm/page_alloc.c:3324 [inline]
free_unref_page+0x19/0x690 mm/page_alloc.c:3403
__vunmap+0x781/0xb70 mm/vmalloc.c:2632
__vfree+0x3c/0xd0 mm/vmalloc.c:2680
vfree+0x5a/0x90 mm/vmalloc.c:2711
copy_entries_to_user net/ipv4/netfilter/ip_tables.c:868 [inline]
get_entries net/ipv4/netfilter/ip_tables.c:1024 [inline]
do_ipt_get_ctl+0x7fe/0x9d0 net/ipv4/netfilter/ip_tables.c:1663
nf_getsockopt+0x72/0xd0 net/netfilter/nf_sockopt.c:116
ip_getsockopt net/ipv4/ip_sockglue.c:1786 [inline]
ip_getsockopt+0x164/0x1c0 net/ipv4/ip_sockglue.c:1765
tcp_getsockopt+0x86/0xd0 net/ipv4/tcp.c:4285
__sys_getsockopt+0x21f/0x5f0 net/socket.c:2220
__do_sys_getsockopt net/socket.c:2235 [inline]
__se_sys_getsockopt net/socket.c:2232 [inline]
__x64_sys_getsockopt+0xba/0x150 net/socket.c:2232
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Memory state around the buggy address:
ffff88807bc56280: 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00
ffff88807bc56300: fc fc fc fc 00 fc fc fc fc fb fc fc fc fc fa fc
>ffff88807bc56380: fc fc fc 01 fc fc fc fc 00 fc fc fc fc 00 fc fc
^
ffff88807bc56400: fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc
ffff88807bc56480: fc 00 fc fc fc fc 00 fc fc fc fc fb fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: 4a 71 0b rex.WX jno 0x12
7: f8 clc
8: 48 89 ef mov %rbp,%rdi
b: e8 92 e7 0b f8 callq 0xf80be7a2
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 25 jne 0x3d
18: 9c pushfq
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 2d jne 0x4c
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 e3 a8 fe f7 callq 0xf7fea912 <-- trapping instruction
2f: 65 8b 05 3c 0f b1 76 mov %gs:0x76b10f3c(%rip),%eax # 0x76b10f72
36: 85 c0 test %eax,%eax
38: 74 0a je 0x44
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 retq
3d: e8 .byte 0xe8
3e: 80 .byte 0x80
3f: cc int3