syzbot


WARNING in igorplugusb_cmd/usb_submit_urb

Status: upstream: reported C repro on 2026/05/29 19:50
Subsystems: usb media
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+2599e08a22e4565ea9f9@syzkaller.appspotmail.com
First crash: 5d06h, last: 5d06h
✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
43831112-07d4-4169-9c8c-1cdb7ce72bc4 assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ✅ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ WARNING in igorplugusb_cmd/usb_submit_urb 2026/05/26 11:40 2026/05/26 11:40 2026/05/26 12:17 c69befb30ac10e158cc9d1557b508ee3f0eca1de
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] [media?] WARNING in igorplugusb_cmd/usb_submit_urb 0 (1) 2026/05/29 19:50

Sample crash report:
input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input5
------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000580 doesn't match bRequestType 20
WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1190/0x1454 drivers/usb/core/urb.c:411, CPU#1: kworker/1:3/4432
Modules linked in:
CPU: 1 UID: 0 PID: 4432 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: usb_hub_wq hub_event
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : usb_submit_urb+0x1190/0x1454 drivers/usb/core/urb.c:411
lr : usb_submit_urb+0x1190/0x1454 drivers/usb/core/urb.c:411
sp : ffff800099ce6d00
x29: ffff800099ce6d40 x28: 0000000080000580 x27: ffff0000cdd9a058
x26: ffff0000d1d95898 x25: ffff800087065dc0 x24: dfff800000000000
x23: ffff0000d04fbf40 x22: ffff0000d04a0fe0 x21: 1fffe0001a3b2b13
x20: 0000000000000820 x19: ffff0000d04fbf00 x18: 1fffe00035c23420
x17: ffff8000888eb000 x16: ffff80008899dba0 x15: ffff0001ae11a10c
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000ff0100 x9 : 2212e0c7e7291f00
x8 : 2212e0c7e7291f00 x7 : ffff80008047caa0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f1374
x2 : 0000000100000000 x1 : ffff0000d3d68000 x0 : 0000000000000000
Call trace:
 usb_submit_urb+0x1190/0x1454 drivers/usb/core/urb.c:411 (P)
 igorplugusb_cmd+0xa0/0x144 drivers/media/rc/igorplugusb.c:127
 igorplugusb_probe+0x5fc/0x940 drivers/media/rc/igorplugusb.c:225
 usb_probe_interface+0x2fc/0x788 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2a8/0x7e8 drivers/base/dd.c:709
 __driver_probe_device+0x1e0/0x33c drivers/base/dd.c:871
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:901
 __device_attach_driver+0x194/0x2f4 drivers/base/dd.c:1029
 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500
 __device_attach+0x250/0x394 drivers/base/dd.c:1101
 device_initial_probe+0x90/0xcc drivers/base/dd.c:1156
 bus_probe_device+0x58/0x120 drivers/base/bus.c:613
 device_add+0x6c4/0x9e4 drivers/base/core.c:3706
 usb_set_configuration+0x1170/0x1588 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0x8c/0x144 drivers/usb/core/generic.c:250
 usb_probe_device+0x118/0x2b8 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2a8/0x7e8 drivers/base/dd.c:709
 __driver_probe_device+0x1e0/0x33c drivers/base/dd.c:871
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:901
 __device_attach_driver+0x194/0x2f4 drivers/base/dd.c:1029
 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500
 __device_attach+0x250/0x394 drivers/base/dd.c:1101
 device_initial_probe+0x90/0xcc drivers/base/dd.c:1156
 bus_probe_device+0x58/0x120 drivers/base/bus.c:613
 device_add+0x6c4/0x9e4 drivers/base/core.c:3706
 usb_new_device+0x7a8/0x1214 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x1f7c/0x3b20 drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
irq event stamp: 36390
hardirqs last  enabled at (36389): [<ffff80008048000c>] vprintk_store+0x900/0xb70 kernel/printk/printk.c:2385
hardirqs last disabled at (36390): [<ffff80008673aac0>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:429
softirqs last  enabled at (36334): [<ffff800084ac3a58>] __alloc_skb+0x1c0/0x5f8 net/core/skbuff.c:696
softirqs last disabled at (36332): [<ffff800084ac3a40>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (36332): [<ffff800084ac3a40>] __alloc_skb+0x1a8/0x5f8 net/core/skbuff.c:695
---[ end trace 0000000000000000 ]---
igorplugusb 1-1:0.0: submit urb failed: -53
usb 1-1: new high-speed USB device number 7 using dummy_hcd
usb 1-1: config index 0 descriptor too short (expected 23569, got 27)
usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 1-1: New USB device found, idVendor=03eb, idProduct=0002, bcdDevice=ba.c0
usb 1-1: New USB device strings: Mfr=5, Product=0, SerialNumber=0
usb 1-1: Manufacturer: syz
usb 1-1: config 0 descriptor??
Registered IR keymap rc-hauppauge
rc_core: Loaded IR protocol module ir-rc5-decoder, but protocol rc-5 still not available
rc rc0: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0
input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input7
igorplugusb 1-1:0.0: submit urb failed: -53

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/26 11:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b4362973b6f a3e47276 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in igorplugusb_cmd/usb_submit_urb
* Struck through repros no longer work on HEAD.