WARNING in gl861_ctrl_msg/usb_submit_urb

Status: upstream: reported C repro on 2025/04/24 21:39
Subsystems: usb
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+721071c10f3c7e4e5dcb@syzkaller.appspotmail.com
First crash: 524d, last: 10h31m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (2)
ID Workflow Result Correct Bug Created Started Finished Revision
1508d215 patching 💥 WARNING in gl861_ctrl_msg/usb_submit_urb 2026/07/17 14:20 2026/07/17 14:20 2026/07/17 15:02 8aaff637
8d9b8efa assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ WARNING in gl861_ctrl_msg/usb_submit_urb 2026/05/22 08:57 2026/05/22 08:57 2026/05/22 09:36 70ae9b03
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[PATCH v3] media: dvb-usb-v2: disallow 0-length I2C reads 3 (3) 2025/06/09 10:38
[PATCH v2] media: dvb-usb-v2: disallow 0-length I2C reads 3 (3) 2025/05/21 10:22
[PATCH] media: dvb-usb-v2: disallow 0-length I2C reads 1 (1) 2025/05/20 11:35
[syzbot] [usb?] WARNING in gl861_ctrl_msg/usb_submit_urb 2 (4) 2025/05/19 20:17
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in gl861_ctrl_msg/usb_submit_urb origin:upstream -1 syz, C error 14 24d 243d 0/2 upstream: reported C repro on 2026/01/27 01:19
linux-6.1 WARNING in gl861_ctrl_msg/usb_submit_urb origin:upstream -1 syz, C error 18 1d22h 268d 0/3 upstream: reported C repro on 2026/01/02 10:29
linux-5.15 WARNING in gl861_ctrl_msg/usb_submit_urb origin:upstream -1 syz, C error 5 62d 146d 0/3 upstream: reported C repro on 2026/05/03 22:17
▶ ▼ Last patch testing requests (11)
Created Duration User Patch Repo Result
2026/06/18 13:19 28m retest repro upstream log
2026/06/18 13:19 18m retest repro linux-next error
2026/06/18 13:19 26m retest repro upstream log
2026/06/18 13:19 18m retest repro linux-next error
2026/06/18 09:19 34m retest repro upstream log
2026/06/18 09:19 2h48m retest repro upstream log
2026/06/18 09:19 2h35m retest repro upstream log
2026/06/18 09:19 26m retest repro upstream log
2026/06/18 09:19 27m retest repro upstream log
2025/12/31 16:44 51m retest repro upstream report log
2025/05/19 15:56 52m n.zhandarovich@fintech.ru patch upstream OK log
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2025/09/22 06:09 2h28m bisect fix upstream OK (0) job log log
2025/06/06 04:03 3h10m bisect fix upstream OK (0) job log log

Sample crash report:
------------[ cut here ]------------
usb 3-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0
WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1057/0x18b0 drivers/usb/core/urb.c:411, CPU#1: syz-executor235/5637
Modules linked in:
CPU: 1 UID: 0 PID: 5637 Comm: syz-executor235 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_submit_urb+0x1100/0x18b0 drivers/usb/core/urb.c:411
Code: b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 b2 05 00 00 45 0f b6 45 00 48 8b 3c 24 48 8b 74 24 18 4c 89 f2 44 89 f9 <67> 48 0f b9 3a 48 bd 00 00 00 00 00 fc ff df e9 ba f2 ff ff 44 89
RSP: 0018:ffffc9000392f8d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88801ef40f00 RCX: 0000000080000280
RDX: ffff8880341d9ce0 RSI: ffffffff8cc521c0 RDI: ffffffff9087e630
RBP: dffffc0000000000 R08: 00000000000000c0 R09: 0000000000000000
R10: ffffc9000392f9c0 R11: fffff52000725f44 R12: 1ffff1100607fd48
R13: ffff8880303fea40 R14: ffff8880341d9ce0 R15: 0000000080000280
FS:  0000555580ce8400(0000) GS:ffff888124dd2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff8f380fb0 CR3: 000000006ecd4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62
 usb_internal_control_msg drivers/usb/core/message.c:117 [inline]
 usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167
 gl861_ctrl_msg+0x207/0x420 drivers/media/usb/dvb-usb-v2/gl861.c:58
 gl861_i2c_master_xfer+0x439/0x6a0 drivers/media/usb/dvb-usb-v2/gl861.c:-1
 __i2c_transfer+0x7bf/0x1fe0 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x1cb/0x2d0 drivers/i2c/i2c-core-base.c:2350
 i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x6a5/0x880 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7690c26d39
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe626478f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7690c26d39
RDX: 0000200000000000 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000009
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe62647a78
R13: 0000000000000002 R14: 00007ffe62647920 R15: 00007ffe62647910
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 00 00 00 00       	mov    $0x0,%eax
   5:	00 fc                	add    %bh,%ah
   7:	ff                   	lcall  (bad)
   8:	df 41 0f             	filds  0xf(%rcx)
   b:	b6 04                	mov    $0x4,%dh
   d:	04 84                	add    $0x84,%al
   f:	c0 0f 85             	rorb   $0x85,(%rdi)
  12:	b2 05                	mov    $0x5,%dl
  14:	00 00                	add    %al,(%rax)
  16:	45 0f b6 45 00       	movzbl 0x0(%r13),%r8d
  1b:	48 8b 3c 24          	mov    (%rsp),%rdi
  1f:	48 8b 74 24 18       	mov    0x18(%rsp),%rsi
  24:	4c 89 f2             	mov    %r14,%rdx
  27:	44 89 f9             	mov    %r15d,%ecx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%rbp
  36:	fc ff df
  39:	e9 ba f2 ff ff       	jmp    0xfffff2f8
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Crashes (453):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/11 09:44 upstream 08df884136f1 1fe56c0a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/21 11:24 upstream a95f71ad3e2e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2025/04/21 07:33 upstream 6fea5fabd332 2a20f901 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2025/04/21 05:39 upstream 6fea5fabd332 2a20f901 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2025/04/21 03:06 upstream 6fea5fabd332 2a20f901 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2025/04/21 01:20 upstream 6fea5fabd332 2a20f901 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2025/04/20 23:17 upstream 6fea5fabd332 2a20f901 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/06/24 01:11 linux-next 4e5dfb7c8401 042555ff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/02/02 02:27 linux-next 4c87cdd03284 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/01/02 19:36 linux-next cc3aa43b44bd d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/06/24 00:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 92e3f6ef4ffb 042555ff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/27 03:49 upstream fd179f8a05be a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/24 16:23 upstream 62f4c998b297 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/23 13:18 upstream fe2ec83746e5 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/22 02:58 upstream f0100363d8c3 e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/21 19:31 upstream 93f51579e7df 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/21 11:05 upstream 93f51579e7df 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/20 10:14 upstream 518e5b794c06 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/20 02:24 upstream 40288c9206c1 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/19 23:59 upstream 518e5b794c06 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/19 12:54 upstream 40288c9206c1 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/19 07:25 upstream 40288c9206c1 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/18 15:53 upstream 5dd1818b15d9 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/18 11:54 upstream 5dd1818b15d9 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/18 11:54 upstream 5dd1818b15d9 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/18 10:15 upstream 5dd1818b15d9 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/17 12:10 upstream 238650ef6c7c 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/17 09:51 upstream 238650ef6c7c 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/16 22:30 upstream 9b87fdc9af2f 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/13 04:48 upstream cba2348ab114 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/12 15:41 upstream 5225b8eec4c9 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/09 06:28 upstream 893e11787f78 8387c273 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/07 03:32 upstream df2908090cda 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/05 08:40 upstream 654ae5d73c05 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/04 13:08 upstream 841e384b841a 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/04 11:21 upstream 841e384b841a 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/01 03:47 upstream bf1079577a11 316d9396 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/31 23:46 upstream bf1079577a11 316d9396 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/30 15:20 upstream 08dbfad3f504 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/30 15:15 upstream 08dbfad3f504 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/26 04:39 upstream 45c13f3f9e3b 6a91adb4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/26 00:56 upstream 66498c75b4f8 614e416a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/03/15 08:00 upstream 69237f8c1f69 ee8d34d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/24 19:21 upstream 62f4c998b297 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/21 15:34 upstream 50d05c7c76c9 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/20 05:38 upstream 50d05c7c76c9 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/19 21:15 upstream 50d05c7c76c9 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/19 19:06 upstream 50d05c7c76c9 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/17 02:59 upstream 50d05c7c76c9 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/03 20:07 upstream 940de590b839 6a988719 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/01 07:35 upstream bf1079577a11 316d9396 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/26 21:21 upstream 6812ce4e4379 a3c7249d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/23 18:46 upstream fe2ec83746e5 0a1606bc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/22 09:50 upstream f0100363d8c3 e12281bd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/18 03:07 upstream 4982d3552a3b 8d7d05f1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/09 19:38 upstream 893e11787f78 edec9137 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/26 21:35 upstream 818bebeb63dd a2b77b9e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/08/23 22:05 upstream 818bebeb63dd 1e72964b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/21 05:51 upstream 50d05c7c76c9 853b104b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/01 05:17 upstream abdf623ddb75 316d9396 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/25 11:11 linux-next 4c253ac4b29b f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/21 04:19 linux-next 9d80aa4617b3 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/10 10:39 linux-next a9d7ced84989 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/09 02:55 linux-next 9d80aa4617b3 8387c273 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
2026/09/06 08:07 linux-next 9d80aa4617b3 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in gl861_ctrl_msg/usb_submit_urb
* Struck through repros no longer work on HEAD.