syzbot


WARNING in dib0700_i2c_xfer/usb_submit_urb

Status: upstream: reported C repro on 2025/03/24 18:18
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+c38e5e60d0041a99dbf5@syzkaller.appspotmail.com
First crash: 303d, last: 13h26m
Cause bisection: failed (error log, bisect log)
  
Discussions (6)
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
[PATCH] media: dvb: usb: Fix WARNING in dib0700_i2c_xfer/usb_submit_urb 13 (13) 2025/03/29 14:31
[syzbot] [usb?] WARNING in dib0700_i2c_xfer/usb_submit_urb 5 (7) 2025/03/25 19:07
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in dib0700_i2c_xfer/usb_submit_urb origin:upstream -1 C done 3 214d 220d 3/3 fixed on 2025/07/21 10:23
linux-6.1 WARNING in dib0700_i2c_xfer/usb_submit_urb (2) origin:upstream -1 C error 11 50d 125d 0/3 upstream: reported C repro on 2025/09/13 22:56
linux-5.15 WARNING in dib0700_i2c_xfer/usb_submit_urb origin:upstream -1 C 12 1d19h 163d 0/3 upstream: reported C repro on 2025/08/06 23:36
linux-6.6 WARNING in dib0700_i2c_xfer/usb_submit_urb origin:upstream -1 C inconclusive 16 1d19h 75d 0/2 upstream: reported C repro on 2025/11/03 10:21
Last patch testing requests (5)
Created Duration User Patch Repo Result
2025/04/04 18:32 23m retest repro upstream report log
2025/04/04 18:32 40m retest repro upstream report log
2025/04/04 18:32 22m retest repro upstream report log
2025/04/04 18:32 19m retest repro upstream report log
2025/03/25 17:47 1h19m stern@rowland.harvard.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5fc319360819 OK log

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000f80 doesn't match bRequestType c0
WARNING: CPU: 1 PID: 5901 at drivers/usb/core/urb.c:413 usb_submit_urb+0x11d9/0x18c0 drivers/usb/core/urb.c:411
Modules linked in:
CPU: 1 UID: 0 PID: 5901 Comm: syz-executor773 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:usb_submit_urb+0x11d9/0x18c0 drivers/usb/core/urb.c:411
Code: 48 8b 4c 24 08 0f b6 04 01 84 c0 0f 85 52 05 00 00 45 0f b6 07 48 c7 c7 e0 4b d1 8c 4c 89 f6 48 89 da 89 e9 e8 e8 9b 09 fa 90 <0f> 0b 90 90 e9 c9 f3 ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 57
RSP: 0018:ffffc900041cf808 EFLAGS: 00010246
RAX: fe52edbd68e0e800 RBX: ffff888021693020 RCX: ffff8880267d5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000080000f80 R08: ffffffff81819e52 R09: 1ffff92000839e9c
R10: dffffc0000000000 R11: fffff52000839e9d R12: ffff88802a23f0a8
R13: ffff88801e6cfa00 R14: ffffffff8cd1b600 R15: ffff888033956e60
FS:  0000555580b9b380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa8c1abb0f0 CR3: 00000000282c0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 usb_start_wait_urb+0x113/0x520 drivers/usb/core/message.c:59
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x2b1/0x4c0 drivers/usb/core/message.c:154
 dib0700_ctrl_rd drivers/media/usb/dvb-usb/dib0700_core.c:95 [inline]
 dib0700_i2c_xfer_legacy drivers/media/usb/dvb-usb/dib0700_core.c:315 [inline]
 dib0700_i2c_xfer+0xc53/0x1060 drivers/media/usb/dvb-usb/dib0700_core.c:361
 __i2c_transfer+0x866/0x2220
 i2c_transfer+0x271/0x3b0 drivers/i2c/i2c-core-base.c:2315
 i2cdev_ioctl_rdwr+0x452/0x710 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x759/0x9f0 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa8c1a448f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc66aa7058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8c1a448f9
RDX: 00002000000004c0 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 000000000002ca0e R08: 00232d6332692f76 R09: 0000000000000006
R10: 000000000000001f R11: 0000000000000246 R12: 00007ffc66aa706c
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (379):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/21 08:08 upstream 5fc319360819 62330552 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/03/21 05:48 upstream 5fc319360819 62330552 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/03/21 03:36 upstream 5fc319360819 62330552 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/03/21 01:15 upstream 5fc319360819 62330552 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/11/06 19:17 linux-next df5d79720b15 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/11/06 18:30 linux-next df5d79720b15 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/09/27 15:07 linux-next 262858079afd 001c9061 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/09/16 23:58 linux-next 590b221ed425 e2beed91 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/08/09 09:37 linux-next b1549501188c 32a0e5ed .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/17 06:48 upstream 39d3389331ab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/16 22:35 upstream 983d014aafb1 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/16 12:01 upstream 603c05a1639f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/16 02:55 upstream 603c05a1639f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/15 08:28 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/15 07:01 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/15 03:47 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/13 09:05 upstream b71e635feefc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/13 02:29 upstream b71e635feefc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/12 05:02 upstream 7143203341dc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/12 01:56 upstream 755bc1335e3b d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/06 23:33 upstream f0b9d8eb98df d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/05 12:25 upstream 3609fa95fb0f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/03 13:45 upstream 805f9a061372 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/25 20:47 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/25 13:09 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/23 23:53 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/23 07:22 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/22 20:16 upstream 9448598b22c5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/20 14:45 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/19 16:02 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/19 07:57 upstream 516471569089 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/18 23:33 upstream 516471569089 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/16 18:01 upstream 983d014aafb1 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/16 13:09 upstream 983d014aafb1 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/12 20:00 upstream 0f61b1860cc3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/10 22:10 upstream b6151c4e60e5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/10 14:26 upstream b6151c4e60e5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/10 06:35 upstream 372800cb95a3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/07 20:13 upstream f0b9d8eb98df d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/07 16:10 upstream f0b9d8eb98df d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/04 06:04 upstream aacb0a6d604a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/02 05:32 upstream b69053dd3ffb d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/28 11:08 upstream d26143bb38e2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/28 04:47 upstream d26143bb38e2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/25 00:00 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/25 00:00 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/24 02:24 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/23 11:21 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/20 17:44 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/19 14:10 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/19 10:49 upstream 516471569089 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/19 10:36 upstream 516471569089 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/15 23:35 linux-next 9b7977f9e39b d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/15 02:32 linux-next b775e489bec7 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/12 08:33 linux-next f417b7ffcbef d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/09 11:18 linux-next f417b7ffcbef d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/06 04:48 linux-next 6cd6c1203113 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/05 10:22 linux-next f8f97927abf7 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/03 04:05 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2026/01/01 23:58 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/31 09:43 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/30 05:14 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/25 08:51 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/21 20:13 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
2025/12/19 17:30 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dib0700_i2c_xfer/usb_submit_urb
* Struck through repros no longer work on HEAD.