syzbot


WARNING in igorplugusb_probe/usb_submit_urb

Status: upstream: reported C repro on 2026/05/17 17:36
Reported-by: syzbot+5dacccd741c850a77292@syzkaller.appspotmail.com
First crash: 7d05h, last: 21h26m
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in igorplugusb_probe/usb_submit_urb usb media -1 C error 2210 8m 66d 0/29 upstream: reported C repro on 2026/03/19 07:20

Sample crash report:
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/input5
------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType 0
WARNING: CPU: 1 PID: 27 at drivers/usb/core/urb.c:413 usb_submit_urb+0x10ac/0x17d0 drivers/usb/core/urb.c:411
Modules linked in:
CPU: 1 PID: 27 Comm: kworker/1:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x10ac/0x17d0 drivers/usb/core/urb.c:411
Code: df 0f b6 44 05 00 84 c0 0f 85 29 06 00 00 45 0f b6 45 00 48 c7 c7 40 6b 6b 8b 48 8b 74 24 20 4c 89 fa 44 89 f1 e8 f4 5f ee fa <0f> 0b 49 bc 00 00 00 00 00 fc ff df e9 96 f4 ff ff 89 e9 80 e1 07
RSP: 0018:ffffc90000a2ee00 EFLAGS: 00010246
RAX: dd3b220156129800 RBX: ffff88814c50b100 RCX: ffff88801c25bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 1ffff1100f682488 R08: ffffc90000a2ea07 R09: 1ffff92000145d40
R10: dffffc0000000000 R11: fffff52000145d41 R12: dffffc0000000000
R13: ffff88807b412440 R14: 0000000080000280 R15: ffff888076e52e60
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe89125ee9c CR3: 000000000cf32000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 igorplugusb_cmd drivers/media/rc/igorplugusb.c:127 [inline]
 igorplugusb_probe+0x812/0xc60 drivers/media/rc/igorplugusb.c:225
 usb_probe_interface+0x5c9/0xb20 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x25b/0xb20 drivers/base/dd.c:658
 __driver_probe_device+0x1ef/0x390 drivers/base/dd.c:820
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:850
 __device_attach_driver+0x2ca/0x510 drivers/base/dd.c:978
 bus_for_each_drv+0x252/0x2e0 drivers/base/bus.c:459
 __device_attach+0x2c2/0x420 drivers/base/dd.c:1050
 bus_probe_device+0x180/0x260 drivers/base/bus.c:534
 device_add+0x88e/0xc50 drivers/base/core.c:3698
 usb_set_configuration+0x1a79/0x20c0 drivers/usb/core/message.c:2265
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x13d/0x270 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x25b/0xb20 drivers/base/dd.c:658
 __driver_probe_device+0x1ef/0x390 drivers/base/dd.c:820
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:850
 __device_attach_driver+0x2ca/0x510 drivers/base/dd.c:978
 bus_for_each_drv+0x252/0x2e0 drivers/base/bus.c:459
 __device_attach+0x2c2/0x420 drivers/base/dd.c:1050
 bus_probe_device+0x180/0x260 drivers/base/bus.c:534
 device_add+0x88e/0xc50 drivers/base/core.c:3698
 usb_new_device+0xa3c/0x1660 drivers/usb/core/hub.c:2660
 hub_port_connect drivers/usb/core/hub.c:5529 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5669 [inline]
 port_event drivers/usb/core/hub.c:5833 [inline]
 hub_event+0x29bf/0x49f0 drivers/usb/core/hub.c:5915
 process_one_work kernel/workqueue.c:2653 [inline]
 process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2730
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2811
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/24 02:08 linux-6.6.y 0a40c6fbd105 c69befb3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in igorplugusb_probe/usb_submit_urb
2026/05/18 20:04 linux-6.6.y eac8889a3a1c 55156e84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in igorplugusb_probe/usb_submit_urb
2026/05/18 19:56 linux-6.6.y eac8889a3a1c 55156e84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in igorplugusb_probe/usb_submit_urb
2026/05/17 21:31 linux-6.6.y eac8889a3a1c de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in igorplugusb_probe/usb_submit_urb
2026/05/17 17:36 linux-6.6.y eac8889a3a1c de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in igorplugusb_probe/usb_submit_urb
* Struck through repros no longer work on HEAD.