==================================================================
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 ffff888034ef9848 by task syz-executor.4/12162
CPU: 1 PID: 12162 Comm: syz-executor.4 Not tainted 5.16.0-rc1-next-20211118-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+0x8d/0x320 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:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
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:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: 48 89 ef 5d e9 91 2a 46 00 5d be 03 00 00 00 e9 c6 65 5f 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 f9 cb 8a 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc900053977c0 EFLAGS: 00000216
RAX: 000000000000c625 RBX: 0000000000000000 RCX: ffffc900116fb000
RDX: 0000000000040000 RSI: ffffffff815edb9c RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ff72a07
R10: ffffffff815edb92 R11: 0000000000000000 R12: ffffffff84d06d10
R13: 0000000000000200 R14: ffffc90005397820 R15: dffffc0000000000
console_unlock+0x6c2/0xb70 kernel/printk/printk.c:2719
vprintk_emit+0x198/0x4f0 kernel/printk/printk.c:2248
dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4594
dev_printk_emit+0xba/0xf1 drivers/base/core.c:4605
__dev_printk+0xcf/0xf5 drivers/base/core.c:4617
_dev_warn+0xd7/0x109 drivers/base/core.c:4661
check_reset_of_active_ep drivers/usb/core/devio.c:1363 [inline]
check_reset_of_active_ep drivers/usb/core/devio.c:1354 [inline]
proc_clearhalt drivers/usb/core/devio.c:1400 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2644 [inline]
usbdev_ioctl.cold+0xef/0x83c 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: 0033:0x7f1b33f8bae9
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:00007f1b31501188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1b3409ef60 RCX: 00007f1b33f8bae9
RDX: 00000000200002c0 RSI: 0000000080045515 RDI: 0000000000000003
RBP: 00007f1b33fe5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5a27009f R14: 00007f1b31501300 R15: 0000000000022000
Allocated by task 12162:
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 ffff888034ef9848
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
8-byte region [ffff888034ef9848, ffff888034ef9850)
The buggy address belongs to the page:
page:ffffea0000d3be40 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888034ef9f28 pfn:0x34ef9
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffffea000068a580 dead000000000003 ffff888010c41280
raw: ffff888034ef9f28 0000000080660065 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 24246, ts 1467969426354, free_ts 1467969326799
prep_new_page mm/page_alloc.c:2418 [inline]
get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4149
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5369
alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191
alloc_slab_page mm/slub.c:1793 [inline]
allocate_slab mm/slub.c:1930 [inline]
new_slab+0x32d/0x4a0 mm/slub.c:1993
___slab_alloc+0x918/0xfe0 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/0x390 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:3114 [inline]
vzalloc+0x67/0x80 mm/vmalloc.c:3184
do_ipt_get_ctl+0x60d/0x9d0 net/ipv4/netfilter/ip_tables.c:801
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
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1338 [inline]
free_pcp_prepare+0x374/0x870 mm/page_alloc.c:1389
free_unref_page_prepare mm/page_alloc.c:3309 [inline]
free_unref_page+0x19/0x690 mm/page_alloc.c:3388
__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:
ffff888034ef9700: fc fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc
ffff888034ef9780: fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc 00
>ffff888034ef9800: fc fc fc fc fb fc fc fc fc 01 fc fc fc fc 00 fc
^
ffff888034ef9880: fc fc fc fa fc fc fc fc fa fc fc fc fc fa fc fc
ffff888034ef9900: fc fc fa fc fc fc fc fa fc fc fc fc fa fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 48 89 ef mov %rbp,%rdi
3: 5d pop %rbp
4: e9 91 2a 46 00 jmpq 0x462a9a
9: 5d pop %rbp
a: be 03 00 00 00 mov $0x3,%esi
f: e9 c6 65 5f 02 jmpq 0x25f65da
14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
1a: 48 8b be b0 01 00 00 mov 0x1b0(%rsi),%rdi
21: e8 b4 ff ff ff callq 0xffffffda
26: 31 c0 xor %eax,%eax
28: c3 retq
29: 90 nop
* 2a: 65 8b 05 f9 cb 8a 7e mov %gs:0x7e8acbf9(%rip),%eax # 0x7e8acc2a <-- trapping instruction
31: 89 c1 mov %eax,%ecx
33: 48 8b 34 24 mov (%rsp),%rsi
37: 81 e1 00 01 00 00 and $0x100,%ecx
3d: 65 gs
3e: 48 rex.W
3f: 8b .byte 0x8b