KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh

KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status (2)
Status: upstream: reported on 2020/09/08 07:37
Reported-by: syzbot+3ae6a2b06f131ab9849f@syzkaller.appspotmail.com
First crash: 231d, last: 4d11h

similar bugs (4):
Kernel	Title	Count	Last	Reported	Patched	Status
linux-4.14	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status	5	11d	105d	0/1	upstream: reported on 2021/01/05 09:57
linux-4.19	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status	2	229d	231d	0/1	auto-closed as invalid on 2021/01/02 08:21
linux-4.19	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status (2)	2	6d08h	6d20h	0/1	upstream: reported on 2021/04/14 12:03
upstream	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status	3	595d	601d	0/22	auto-closed as invalid on 2020/01/01 21:24

Sample crash report:

==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy include/linux/fortify-string.h:191 [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 ffff88801d571bb8 by task syz-executor.4/31192

CPU: 0 PID: 31192 Comm: syz-executor.4 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 print_address_description.constprop.0.cold+0x5b/0x2f8 mm/kasan/report.c:232
 __kasan_report mm/kasan/report.c:399 [inline]
 kasan_report.cold+0x7c/0xd8 mm/kasan/report.c:416
 check_region_inline mm/kasan/generic.c:180 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:186
 memcpy+0x39/0x60 mm/kasan/shadow.c:66
 memcpy include/linux/fortify-string.h:191 [inline]
 usb_hcd_poll_rh_status+0x376/0x780 drivers/usb/core/hcd.c:774
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431
 expire_timers kernel/time/timer.c:1476 [inline]
 __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1745
 __run_timers kernel/time/timer.c:1726 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu kernel/softirq.c:422 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191
Code: 74 24 10 e8 4a 17 54 f8 48 89 ef e8 82 cd 54 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 <e8> 63 9b 48 f8 65 8b 05 0c 66 fc 76 85 c0 74 0a 5b 5d c3 e8 d0 56
RSP: 0018:ffffc900074576d8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1f54142
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff8c12d6a0 R08: 0000000000000001 R09: ffffffff8fa9a8af
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000001ba
R13: 000000000fffffff R14: 0000000000000000 R15: 00000000000001ba
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 ida_alloc_range+0x66d/0x850 lib/idr.c:453
 proc_alloc_inum fs/proc/generic.c:213 [inline]
 proc_register+0x34/0x700 fs/proc/generic.c:377
 proc_create_net_single+0x108/0x170 fs/proc/proc_net.c:209
 tls_proc_init+0x4b/0x70 net/tls/tls_proc.c:41
 tls_init_net+0x56/0xd0 net/tls/tls_main.c:835
 ops_init+0xaf/0x470 net/core/net_namespace.c:140
 setup_net+0x40f/0xa30 net/core/net_namespace.c:333
 copy_net_ns+0x31e/0x760 net/core/net_namespace.c:474
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 copy_namespaces+0x385/0x440 kernel/nsproxy.c:178
 copy_process+0x2c31/0x71a0 kernel/fork.c:2116
 kernel_clone+0xe7/0xab0 kernel/fork.c:2500
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2617
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
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:00007f3bcb66b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000466459
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000004412c500
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 0000000000a9fb1f R14: 00007f3bcb66b300 R15: 0000000000022000

Allocated by task 31228:
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:427 [inline]
 ____kasan_kmalloc mm/kasan/common.c:506 [inline]
 ____kasan_kmalloc mm/kasan/common.c:465 [inline]
 __kasan_kmalloc+0x99/0xc0 mm/kasan/common.c:515
 kmalloc include/linux/slab.h:559 [inline]
 proc_do_submiturb+0x2a69/0x3600 drivers/usb/core/devio.c:1733
 proc_submiturb drivers/usb/core/devio.c:1892 [inline]
 usbdev_do_ioctl drivers/usb/core/devio.c:2588 [inline]
 usbdev_ioctl+0x692/0x36c0 drivers/usb/core/devio.c:2708
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff88801d571bb8
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
 8-byte region [ffff88801d571bb8, ffff88801d571bc0)
The buggy address belongs to the page:
page:ffffea0000755c40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1d571
flags: 0xfff00000000200(slab)
raw: 00fff00000000200 ffffea00004fde40 0000000400000004 ffff888010441280
raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88801d571a80: fc fc fc fc fa fc fc fc fc 00 fc fc fc fc 00 fc
 ffff88801d571b00: fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc
>ffff88801d571b80: fc fc 00 fc fc fc fc 01 fc fc fc fc 00 fc fc fc
                                        ^
 ffff88801d571c00: fc 00 fc fc fc fc 00 fc fc fc fc fb fc fc fc fc
 ffff88801d571c80: fa fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00
==================================================================

Crashes (13):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci-upstream-kasan-gce	2021/04/16 06:51	upstream	7e25f40e	c59079a6	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-selinux-root	2021/04/14 12:38	upstream	50987bec	3134b37f	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-root	2021/04/09 12:37	upstream	4fa56ad0	6a81331a	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce	2021/04/07 02:21	upstream	2d743660	6a81331a	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce	2021/04/06 05:49	upstream	0a50438c	6a81331a	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-smack-root	2021/02/21 06:49	upstream	e767b353	3e5ed8b4	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-386	2021/04/16 20:26	upstream	2f7b98d1	7e2b734b	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-386	2021/04/14 15:18	upstream	50987bec	3134b37f	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-386	2021/04/09 03:26	upstream	4fa56ad0	6a81331a	.config	log	report	info	KASAN: slab-out-of-bounds Write in usb_hcd_poll_rh_status
ci-upstream-kasan-gce-root	2021/01/12 23:39	upstream	e609571b	0cdd6185	.config	log	report	info
ci-upstream-kasan-gce	2020/09/28 09:32	upstream	a1b8638b	6bfdbe89	.config	log	report	info
ci-upstream-kasan-gce-root	2020/09/27 06:41	upstream	eeddbe68	5dd8aee8	.config	log	report	info
ci-upstream-kasan-gce-root	2020/09/01 15:14	upstream	b51594df	d5a3ae1f	.config	log	report