WARNING in gl861_ctrl_msg/usb_submit_urb

Status: upstream: reported C repro on 2026/01/27 01:19
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+0fb22d8d1996d2661445@syzkaller.appspotmail.com
First crash: 211d, last: 15d
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2026/02/01 upstream (ToT) 18f7fcd5e69a C [report] WARNING in gl861_ctrl_msg/usb_submit_urb
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in gl861_ctrl_msg/usb_submit_urb origin:upstream -1 syz, C error 14 30d 235d 0/3 upstream: reported C repro on 2026/01/02 10:29
upstream WARNING in gl861_ctrl_msg/usb_submit_urb prio:low usb -1 syz, C error 378 4h14m 488d 0/29 upstream: reported C repro on 2025/04/24 21:39
linux-5.15 WARNING in gl861_ctrl_msg/usb_submit_urb origin:upstream -1 syz, C 5 30d 114d 0/3 upstream: reported C repro on 2026/05/03 22:17

Sample crash report:
usb 2-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0
WARNING: CPU: 0 PID: 5979 at drivers/usb/core/urb.c:413 usb_submit_urb+0x108d/0x17a0 drivers/usb/core/urb.c:411
Modules linked in:
CPU: 0 PID: 5979 Comm: syz.0.21 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_submit_urb+0x108d/0x17a0 drivers/usb/core/urb.c:411
Code: fc ff df 41 0f b6 44 05 00 84 c0 0f 85 18 06 00 00 45 0f b6 07 48 c7 c7 00 16 6c 8b 48 8b 34 24 4c 89 e2 89 e9 e8 93 80 e5 fa <0f> 0b 48 bd 00 00 00 00 00 fc ff df e9 91 f4 ff ff 44 89 f1 80 e1
RSP: 0018:ffffc900035df7d8 EFLAGS: 00010246
RAX: 1fd5729199593d00 RBX: ffff888026496a00 RCX: ffff8880317f9e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000080000280 R08: ffffc900035df3e7 R09: 1ffff920006bbe7c
R10: dffffc0000000000 R11: fffff520006bbe7d R12: ffff888026530208
R13: 1ffff110056440f0 R14: ffff88805d99b0f8 R15: ffff88802b220780
FS:  0000555575bab500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc59cce88 CR3: 000000007a425000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 usb_start_wait_urb+0x140/0x580 drivers/usb/core/message.c:62
 usb_internal_control_msg drivers/usb/core/message.c:117 [inline]
 usb_control_msg+0x235/0x3e0 drivers/usb/core/message.c:167
 gl861_ctrl_msg+0x215/0x3d0 drivers/media/usb/dvb-usb-v2/gl861.c:58
 gl861_i2c_master_xfer+0x434/0x640 drivers/media/usb/dvb-usb-v2/gl861.c:-1
 __i2c_transfer+0x891/0x2090 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x261/0x3a0 drivers/i2c/i2c-core-base.c:2355
 i2cdev_ioctl_rdwr+0x3b0/0x690 drivers/i2c/i2c-dev.c:297
 i2cdev_ioctl+0x6a0/0x840 drivers/i2c/i2c-dev.c:458
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5ac139e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff342f2f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5ac1625fa0 RCX: 00007f5ac139e0d9
RDX: 00002000000000c0 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f5ac1435024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5ac1625fac R14: 00007f5ac1625fa0 R15: 00007f5ac1625fa0
 </TASK>

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/10 15:31 linux-6.6.y d27334b2888c 5d63f80b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/02 01:23 linux-6.6.y 2cf6f68313dc 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/01 23:05 linux-6.6.y 2cf6f68313dc 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/01 21:52 linux-6.6.y 2cf6f68313dc 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/09 20:57 linux-6.6.y d27334b2888c 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/07/30 08:40 linux-6.6.y ae068b676196 2377cd3d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/07/22 07:03 linux-6.6.y da47cbc25466 b561ce9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/06/01 10:05 linux-6.6.y 0a40c6fbd105 8d8eeb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/04/20 04:24 linux-6.6.y 9760bf04666d 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/12 17:42 linux-6.6.y 1b4ef5214f17 504cb1bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/02 18:35 linux-6.6.y 2cf6f68313dc 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/01/27 01:19 linux-6.6.y cbb31f77b879 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
2026/01/27 01:18 linux-6.6.y cbb31f77b879 efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in gl861_ctrl_msg/usb_submit_urb
* Struck through repros no longer work on HEAD.