syzbot


WARNING in dtv5100_i2c_msg/usb_submit_urb

Status: upstream: reported on 2025/05/22 06:36
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+0335df380edd9bd3ff70@syzkaller.appspotmail.com
First crash: 6d04h, last: 11h30m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] WARNING in dtv5100_i2c_msg/usb_submit_urb 0 (1) 2025/05/22 06:36

Sample crash report:
misc raw-gadget: fail, usb_gadget_register_driver returned -16
------------[ cut here ]------------
usb 5-1: BOGUS control dir, pipe 80005080 doesn't match bRequestType c0
WARNING: CPU: 1 PID: 14682 at drivers/usb/core/urb.c:413 usb_submit_urb+0x1112/0x1870 drivers/usb/core/urb.c:411
Modules linked in:
CPU: 1 UID: 0 PID: 14682 Comm: syz.4.2218 Not tainted 6.15.0-rc7-syzkaller-00112-geccf6f2f6ab9 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:usb_submit_urb+0x1112/0x1870 drivers/usb/core/urb.c:411
Code: 0f b6 44 05 00 84 c0 0f 85 38 06 00 00 45 0f b6 04 24 48 c7 c7 20 89 12 8c 48 8b 74 24 18 4c 89 fa 44 89 f1 e8 cf e7 6e fa 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df e9 2b f4 ff ff 89 e9 80
RSP: 0018:ffffc9000ba37610 EFLAGS: 00010246
RAX: ca467b95cf3d6c00 RBX: ffff888032daf900 RCX: 0000000000080000
RDX: ffffc9000c2f1000 RSI: 0000000000003ea6 RDI: 0000000000003ea7
RBP: 1ffff1100fe56c60 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba984 R12: ffff88807f2b6300
R13: dffffc0000000000 R14: 0000000080005080 R15: ffff888026cc4e80
FS:  00007fb5854bd6c0(0000) GS:ffff8881261c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb58549cd58 CR3: 000000004e624000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 usb_start_wait_urb+0x114/0x4c0 drivers/usb/core/message.c:59
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154
 dtv5100_i2c_msg+0x250/0x330 drivers/media/usb/dvb-usb/dtv5100.c:60
 dtv5100_i2c_xfer+0x1a4/0x3c0 drivers/media/usb/dvb-usb/dtv5100.c:86
 __i2c_transfer+0x871/0x2170 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2315
 i2c_transfer_buffer_flags+0x105/0x190 drivers/i2c/i2c-core-base.c:2343
 i2c_master_send include/linux/i2c.h:109 [inline]
 i2cdev_write+0x112/0x1b0 drivers/i2c/i2c-dev.c:183
 do_loop_readv_writev include/linux/uio.h:-1 [inline]
 vfs_writev+0x4a5/0x9a0 fs/read_write.c:1057
 do_writev+0x14d/0x2d0 fs/read_write.c:1101
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb58458e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb5854bd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fb5847b5fa0 RCX: 00007fb58458e969
RDX: 0000000000000001 RSI: 00002000000012c0 RDI: 0000000000000006
RBP: 00007fb584610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb5847b5fa0 R15: 00007fb5848dfa28
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/23 23:21 upstream eccf6f2f6ab9 f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/05/23 01:07 upstream 5cdb2c77c4c3 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dtv5100_i2c_msg/usb_submit_urb
2025/05/18 06:33 upstream 5723cc3450bc f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in dtv5100_i2c_msg/usb_submit_urb
* Struck through repros no longer work on HEAD.