syzbot


WARNING in dib0700_ctrl_rd/usb_submit_urb

Status: upstream: reported C repro on 2025/06/20 03:04
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+0cd0fb4cf3f4722d6663@syzkaller.appspotmail.com
First crash: 4d22h, last: 3d00h
Cause bisection: failed (error log, bisect log)
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] WARNING in dib0700_ctrl_rd/usb_submit_urb 0 (1) 2025/06/20 03:04

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0
WARNING: CPU: 1 PID: 5836 at drivers/usb/core/urb.c:411 usb_submit_urb+0x13c3/0x1790 drivers/usb/core/urb.c:411
Modules linked in:
CPU: 1 UID: 0 PID: 5836 Comm: syz-executor308 Not tainted 6.16.0-rc2-syzkaller-00024-g9afe652958c3 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:usb_submit_urb+0x13c3/0x1790 drivers/usb/core/urb.c:411
Code: e8 b2 12 89 fa 4c 89 ef e8 ba b7 d5 fe 44 8b 44 24 28 44 89 f9 48 8b 54 24 38 48 89 c6 48 c7 c7 40 06 73 8c e8 fe d7 47 fa 90 <0f> 0b 90 90 e9 84 ef ff ff e8 7f 12 89 fa 0f b6 2d d9 8d 5d 09 31
RSP: 0018:ffffc90003eff980 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888020ef6800 RCX: ffffffff817ae248
RDX: ffff888012e9bc00 RSI: ffffffff817ae255 RDI: 0000000000000001
RBP: ffff888140fef058 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803498ce80
R13: ffff888140fef0b0 R14: 0000000000000001 R15: 0000000080000280
FS:  0000555558039380(0000) GS:ffff88812485a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002580 CR3: 0000000073ffa000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 usb_start_wait_urb+0x104/0x4b0 drivers/usb/core/message.c:59
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154
 dib0700_ctrl_rd+0x1b2/0x350 drivers/media/usb/dvb-usb/dib0700_core.c:95
 dib0700_i2c_xfer_legacy drivers/media/usb/dvb-usb/dib0700_core.c:315 [inline]
 dib0700_i2c_xfer+0xa9a/0xe40 drivers/media/usb/dvb-usb/dib0700_core.c:361
 __i2c_transfer+0x6b6/0x2190 drivers/i2c/i2c-core-base.c:2258
 i2c_transfer drivers/i2c/i2c-core-base.c:2314 [inline]
 i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2290
 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x5ff/0x820 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa17e8248f9
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:00007ffd59dafc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa17e8248f9
RDX: 0000200000002580 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007fa17e8975f0 R08: 00232d6332692f76 R09: 0000000000000006
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/18 00:17 upstream 9afe652958c3 417d98fa .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in dib0700_ctrl_rd/usb_submit_urb
2025/06/16 14:55 upstream e04c78d86a96 d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in dib0700_ctrl_rd/usb_submit_urb
2025/06/16 02:55 upstream 08215f5486ec 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in dib0700_ctrl_rd/usb_submit_urb
* Struck through repros no longer work on HEAD.