UBSAN: shift-out-of-bounds in vhci_hub

Title	Replies (including bot)	Last reply
[PATCH 4.19 00/77] 4.19.167-rc1 review	87 (87)	2021/01/14 01:43
[PATCH 4.14 00/57] 4.14.215-rc1 review	60 (60)	2021/01/12 07:36
[PATCH 5.4 00/92] 5.4.89-rc1 review	96 (96)	2021/01/12 06:54
[PATCH 5.10 000/145] 5.10.7-rc1 review	152 (152)	2021/01/11 19:59
[PATCH] usb: usbip: vhci_hcd: protect shift size	1 (1)	2020/12/29 07:13
UBSAN: shift-out-of-bounds in vhci_hub_control	0 (1)	2020/12/23 04:55

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	UBSAN: shift-out-of-bounds in vhci_hub_control (2) usb	-1	syz, C	unreliable		5	1945d	1953d	20/29	fixed on 2021/11/10 00:50

Kernel

Title

Rank 🛈

upstream

UBSAN: shift-out-of-bounds in vhci_hub_control (2) usb

-1

syz, C

unreliable

1945d

1953d

20/29

fixed on 2021/11/10 00:50

================================================================================ UBSAN: shift-out-of-bounds in drivers/usb/usbip/vhci_hcd.c:399:41 shift exponent 768 is too large for 32-bit type 'int' CPU: 1 PID: 8482 Comm: syz-executor092 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395 vhci_hub_control.cold+0x205/0x246 drivers/usb/usbip/vhci_hcd.c:399 rh_call_control drivers/usb/core/hcd.c:683 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:841 [inline] usb_hcd_submit_urb+0xcaa/0x22d0 drivers/usb/core/hcd.c:1544 usb_submit_urb+0x6e4/0x1560 drivers/usb/core/urb.c:585 usb_start_wait_urb+0x101/0x4c0 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 do_proc_control+0x4cb/0x9c0 drivers/usb/core/devio.c:1165 proc_control drivers/usb/core/devio.c:1191 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2535 [inline] usbdev_ioctl+0x12c1/0x3b20 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+0x44/0xa9 RIP: 0033:0x443f39 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd18a092c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443f39 RDX: 0000000020000000 RSI: 00000000c0185500 RDI: 0000000000000003 RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401bc0 R13: 0000000000401c50 R14: 0000000000000000 R15: 0000000000000000 ================================================================================

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager	Title
2020/12/19 05:03	upstream	a409ed156a90	04201c06	.config	console log	report	syz	C		ci-upstream-kasan-gce
2021/01/28 14:48	upstream	76c057c84d28	eefc07f2	.config	console log	report			info	ci-upstream-kasan-gce	UBSAN: shift-out-of-bounds in vhci_hub_control
2021/01/22 22:24	upstream	83d09ad4b950	4080af96	.config	console log	report			info	ci-upstream-kasan-gce	UBSAN: shift-out-of-bounds in vhci_hub_control
2020/12/19 04:47	upstream	a409ed156a90	04201c06	.config	console log	report			info	ci-upstream-kasan-gce

Crashes (4):

Assets (help?)