WARNING in dtv5100_i2c_msg/usb_submit_urb

Status: upstream: reported C repro on 2025/08/15 23:44
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+80ea31bb816859827846@syzkaller.appspotmail.com
First crash: 369d, last: 21h22m
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/08/16 upstream (ToT) dfd4b508c8c6 C [report] WARNING in dtv5100_i2c_msg/usb_submit_urb
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in dtv5100_i2c_msg/usb_submit_urb prio:low usb -1 syz, C error 786 5h18m 455d 0/29 upstream: reported C repro on 2025/05/22 06:36
linux-5.15 WARNING in dtv5100_i2c_msg/usb_submit_urb origin:upstream -1 syz, C error 2 3d22h 174d 0/3 upstream: reported C repro on 2026/02/27 05:36
linux-6.1 WARNING in dtv5100_i2c_msg/usb_submit_urb origin:upstream -1 syz, C error 26 3d19h 323d 0/3 upstream: reported C repro on 2025/10/01 22:05
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2026/02/25 09:01 27m bisect fix linux-6.6.y error job log
2026/01/18 17:38 2h35m bisect fix linux-6.6.y OK (0) job log log
2025/12/16 17:58 2h33m bisect fix linux-6.6.y OK (0) job log log
2025/11/10 01:34 2h15m bisect fix linux-6.6.y OK (0) job log log
2025/09/20 19:14 1h38m bisect fix linux-6.6.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0
WARNING: CPU: 0 PID: 5934 at drivers/usb/core/urb.c:413 usb_submit_urb+0x108d/0x17a0 drivers/usb/core/urb.c:411
Modules linked in:
CPU: 0 PID: 5934 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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 40 d8 6b 8b 48 8b 34 24 4c 89 e2 89 e9 e8 73 ae e7 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:ffffc900033275b8 EFLAGS: 00010246
RAX: 6fc2d1e5f5533700 RBX: ffff888142360f00 RCX: ffff88801e370000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000080000280 R08: ffffc900033271c7 R09: 1ffff92000664e38
R10: dffffc0000000000 R11: fffff52000664e39 R12: ffff88807c4c7988
R13: 1ffff110048eb0a5 R14: ffff88807b7680f8 R15: ffff888024758528
FS:  000055558ee7a500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f346c63a0f5 CR3: 000000002ba1c000 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
 dtv5100_i2c_msg+0x231/0x2f0 drivers/media/usb/dvb-usb/dtv5100.c:65
 dtv5100_i2c_xfer+0x1a5/0x610 drivers/media/usb/dvb-usb/dtv5100.c:91
 __i2c_transfer+0x891/0x2090 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x261/0x3a0 drivers/i2c/i2c-core-base.c:2328
 i2c_transfer_buffer_flags+0x10e/0x1a0 drivers/i2c/i2c-core-base.c:2356
 i2c_master_send include/linux/i2c.h:110 [inline]
 i2cdev_write+0x8b/0x120 drivers/i2c/i2c-dev.c:175
 do_loop_readv_writev fs/read_write.c:-1 [inline]
 do_iter_write+0x4e5/0xc50 fs/read_write.c:862
 vfs_writev fs/read_write.c:933 [inline]
 do_writev+0x27f/0x480 fs/read_write.c:976
 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: 0033:0x7f99b4b9de59
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:00007ffe236140c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f99b4e25fa0 RCX: 00007f99b4b9de59
RDX: 0000000000000001 RSI: 0000200000002900 RDI: 0000000000000004
RBP: 00007f99b4c33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f99b4e25fac R14: 00007f99b4e25fa0 R15: 00007f99b4e25fa0
 </TASK>

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/05 01:40 linux-6.6.y da47cbc25466 fcece630 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/03/20 00:59 linux-6.6.y 4fc00fe35d46 bd6dcb30 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/08/16 03:56 linux-6.6.y bb9c90ab9c5a 1804e95e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/08/20 02:05 linux-6.6.y c610b395b0a5 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/08/20 02:05 linux-6.6.y c610b395b0a5 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/08/17 20:12 linux-6.6.y d27334b2888c 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/08/17 20:11 linux-6.6.y d27334b2888c 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/07/05 10:55 linux-6.6.y da47cbc25466 fcece630 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/07/05 10:53 linux-6.6.y da47cbc25466 fcece630 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/07/05 10:53 linux-6.6.y da47cbc25466 fcece630 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/07/04 15:05 linux-6.6.y da47cbc25466 fcece630 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/03/24 15:34 linux-6.6.y 4fc00fe35d46 74e70d19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/03/19 18:38 linux-6.6.y 4fc00fe35d46 bd6dcb30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2026/01/26 08:49 linux-6.6.y cbb31f77b879 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/11/11 23:29 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/10/02 10:00 linux-6.6.y 147338df3487 267f56c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/10/02 10:00 linux-6.6.y 147338df3487 267f56c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/10/01 21:36 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/10/01 21:36 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/08/15 23:43 linux-6.6.y bb9c90ab9c5a 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dtv5100_i2c_msg/usb_submit_urb
* Struck through repros no longer work on HEAD.