==================================================================
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 ffff88803730eaa0 by task syz-executor.2/23566
CPU: 0 PID: 23566 Comm: syz-executor.2 Not tainted 5.15.0-next-20211106-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:__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 9a 72 0a f8 48 89 ef e8 e2 e8 0a 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 b1 fd f7 65 8b 05 dc 06 b0 76 85 c0 74 0a 5b 5d c3 e8 e0 a7
RSP: 0018:ffffc9001b8d78a8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1b22009
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff8ca38560 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817e1148 R11: 0000000000000000 R12: ffff88814763c180
R13: ffff888072575840 R14: ffff88814763c000 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
usbfs_start_wait_urb+0x128/0x3d0 drivers/usb/core/devio.c:1125
do_proc_bulk+0x535/0xba0 drivers/usb/core/devio.c:1313
proc_bulk drivers/usb/core/devio.c:1351 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2625 [inline]
usbdev_ioctl+0x586/0x36c0 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: 0033:0x7fa7d646cae9
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:00007fa7d39e2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa7d657ff60 RCX: 00007fa7d646cae9
RDX: 0000000020000140 RSI: 00000000c0185502 RDI: 0000000000000003
RBP: 00007fa7d64c6f25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff12d39f9f R14: 00007fa7d39e2300 R15: 0000000000022000
Allocated by task 23566:
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]
do_proc_bulk+0x2fc/0xba0 drivers/usb/core/devio.c:1292
proc_bulk drivers/usb/core/devio.c:1351 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2625 [inline]
usbdev_ioctl+0x586/0x36c0 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 ffff88803730eaa0
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
8-byte region [ffff88803730eaa0, ffff88803730eaa8)
The buggy address belongs to the page:
page:ffffea0000dcc380 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3730e
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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 30901, ts 1861972446099, free_ts 1861972392534
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:4249
__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
__do_replace+0x16b/0x870 net/ipv4/netfilter/ip_tables.c:1100
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:3653
__sys_setsockopt+0x2db/0x610 net/socket.c:2176
__do_sys_setsockopt net/socket.c:2187 [inline]
__se_sys_setsockopt net/socket.c:2184 [inline]
__x64_sys_setsockopt+0xba/0x150 net/socket.c:2184
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:
ffff88803730e980: fc fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc
ffff88803730ea00: fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc fa
>ffff88803730ea80: fc fc fc fc 01 fc fc fc fc fa fc fc fc fc fa fc
^
ffff88803730eb00: fc fc fc fa fc fc fc fc 00 fc fc fc fc 00 fc fc
ffff88803730eb80: fc fc 00 fc fc fc fc fa fc fc fc fc fa fc fc fc
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 24 10 and $0x10,%al
2: e8 9a 72 0a f8 callq 0xf80a72a1
7: 48 89 ef mov %rbp,%rdi
a: e8 e2 e8 0a f8 callq 0xf80ae8f1
f: 81 e3 00 02 00 00 and $0x200,%ebx
15: 75 25 jne 0x3c
17: 9c pushfq
18: 58 pop %rax
19: f6 c4 02 test $0x2,%ah
1c: 75 2d jne 0x4b
1e: 48 85 db test %rbx,%rbx
21: 74 01 je 0x24
23: fb sti
24: bf 01 00 00 00 mov $0x1,%edi
* 29: e8 e3 b1 fd f7 callq 0xf7fdb211 <-- trapping instruction
2e: 65 8b 05 dc 06 b0 76 mov %gs:0x76b006dc(%rip),%eax # 0x76b00711
35: 85 c0 test %eax,%eax
37: 74 0a je 0x43
39: 5b pop %rbx
3a: 5d pop %rbp
3b: c3 retq
3c: e8 .byte 0xe8
3d: e0 a7 loopne 0xffffffe6