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Message-ID: <000000000000d2c99705a01ead04@google.com>
Date: Thu, 05 Mar 2020 09:15:09 -0800
From: syzbot <syzbot+00c18ee8497dd3be6ade@...kaller.appspotmail.com>
To: andreyknvl@...gle.com, gregkh@...uxfoundation.org,
ingrassia@...genesys.com, linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: WARNING in cxacru_cm/usb_submit_urb
Hello,
syzbot found the following crash on:
HEAD commit: d6ff8147 usb: gadget: add raw-gadget interface
git tree: https://github.com/google/kasan.git usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=10c21731e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=90a3d9bed5648419
dashboard link: https://syzkaller.appspot.com/bug?extid=00c18ee8497dd3be6ade
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16942bb5e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b4aa2de00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+00c18ee8497dd3be6ade@...kaller.appspotmail.com
usb 1-1: New USB device found, idVendor=0572, idProduct=cb00, bcdDevice=41.00
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
usb 1-1: string descriptor 0 read error: -71
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 102 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xef/0x16e lib/dump_stack.c:118
panic+0x2aa/0x6e1 kernel/panic.c:221
__warn.cold+0x2f/0x30 kernel/panic.c:582
report_bug+0x27b/0x2f0 lib/bug.c:195
fixup_bug arch/x86/kernel/traps.c:174 [inline]
fixup_bug arch/x86/kernel/traps.c:169 [inline]
do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267
do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478
Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd
RSP: 0018:ffff8881d4f56fb8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103a9eade9
RBP: ffff8881d4fa9750 R08: ffff8881d6c14980 R09: ffffed103b646248
R10: ffffed103b646247 R11: ffff8881db23123f R12: 0000000000000001
R13: ffff8881cf17d948 R14: ffff8881c44cd0a0 R15: ffff8881d4fa9200
cxacru_cm+0x3c2/0x8f0 drivers/usb/atm/cxacru.c:650
cxacru_card_status+0x22/0xe0 drivers/usb/atm/cxacru.c:761
cxacru_bind+0x7ab/0x119d drivers/usb/atm/cxacru.c:1213
usbatm_usb_probe+0x2d7/0x1958 drivers/usb/atm/usbatm.c:1053
cxacru_usb_probe+0xdf/0x1e0 drivers/usb/atm/cxacru.c:1367
usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374
really_probe+0x290/0xac0 drivers/base/dd.c:551
driver_probe_device+0x223/0x350 drivers/base/dd.c:724
__device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831
bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
__device_attach+0x217/0x390 drivers/base/dd.c:897
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
device_add+0x1459/0x1bf0 drivers/base/core.c:2487
usb_set_configuration+0xe47/0x17d0 drivers/usb/core/message.c:2023
usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
really_probe+0x290/0xac0 drivers/base/dd.c:551
driver_probe_device+0x223/0x350 drivers/base/dd.c:724
__device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831
bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
__device_attach+0x217/0x390 drivers/base/dd.c:897
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
device_add+0x1459/0x1bf0 drivers/base/core.c:2487
usb_new_device.cold+0x540/0xcd0 drivers/usb/core/hub.c:2544
hub_port_connect drivers/usb/core/hub.c:5191 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5331 [inline]
port_event drivers/usb/core/hub.c:5477 [inline]
hub_event+0x21cb/0x4300 drivers/usb/core/hub.c:5559
process_one_work+0x94b/0x1620 kernel/workqueue.c:2264
worker_thread+0x96/0xe20 kernel/workqueue.c:2410
kthread+0x318/0x420 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.
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