syzbot


WARNING in dtv5100_i2c_xfer/usb_submit_urb

Status: upstream: reported C repro on 2025/06/15 13:59
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+525f33feb7d61d15e781@syzkaller.appspotmail.com
First crash: 1d05h, last: 12h49m
Bug presence (1)
Date Name Commit Repro Result
2025/06/16 upstream (ToT) e04c78d86a96 C [report] WARNING in dtv5100_i2c_xfer/usb_submit_urb

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0
WARNING: CPU: 1 PID: 4166 at drivers/usb/core/urb.c:412 usb_submit_urb+0x1200/0x1980 drivers/usb/core/urb.c:410
Modules linked in:
CPU: 0 PID: 4166 Comm: syz-executor759 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:usb_submit_urb+0x1200/0x1980 drivers/usb/core/urb.c:410
Code: ff df 0f b6 44 05 00 84 c0 0f 85 7d 06 00 00 45 0f b6 07 48 c7 c7 40 62 a4 8a 48 8b 74 24 30 4c 89 e2 44 89 f1 e8 40 8b c7 03 <0f> 0b 49 bd 00 00 00 00 00 fc ff df e9 3b f3 ff ff 89 e9 80 e1 07
RSP: 0018:ffffc90002d7f668 EFLAGS: 00010246
RAX: fad60ca9667f9a00 RBX: ffff88802a501500 RCX: ffff888079ba1dc0
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100497e628 R08: dffffc0000000000 R09: ffffed10172267a8
R10: ffffed10172267a8 R11: 1ffff110172267a7 R12: ffff8881484725c8
R13: dffffc0000000000 R14: 0000000080000280 R15: ffff888024bf3140
FS:  000055555b84b380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056467b75e3f0 CR3: 000000007a23f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 usb_start_wait_urb+0x111/0x4b0 drivers/usb/core/message.c:58
 usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
 usb_control_msg+0x22f/0x3e0 drivers/usb/core/message.c:153
 dtv5100_i2c_msg drivers/media/usb/dvb-usb/dtv5100.c:60 [inline]
 dtv5100_i2c_xfer+0x393/0x650 drivers/media/usb/dvb-usb/dtv5100.c:86
 __i2c_transfer+0x864/0x2060 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x24c/0x390 drivers/i2c/i2c-core-base.c:2330
 i2c_transfer_buffer_flags+0x102/0x190 drivers/i2c/i2c-core-base.c:2358
 i2c_master_send include/linux/i2c.h:109 [inline]
 i2cdev_write+0x87/0x120 drivers/i2c/i2c-dev.c:175
 do_loop_readv_writev fs/read_write.c:-1 [inline]
 do_iter_write+0x3e4/0x7b0 fs/read_write.c:857
 vfs_writev fs/read_write.c:928 [inline]
 do_writev+0x254/0x410 fs/read_write.c:971
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f36ed5447b9
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:00007fff87475398 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36ed5447b9
RDX: 0000000000000001 RSI: 0000200000000500 RDI: 0000000000000004
RBP: 00007f36ed5b75f0 R08: 00232d6332692f76 R09: 0000000000000006
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/16 06:48 linux-5.15.y 1c700860e8bc 5f4b362d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in dtv5100_i2c_xfer/usb_submit_urb
2025/06/16 03:56 linux-5.15.y 1c700860e8bc 5f4b362d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in dtv5100_i2c_xfer/usb_submit_urb
2025/06/16 00:54 linux-5.15.y 1c700860e8bc 5f4b362d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in dtv5100_i2c_xfer/usb_submit_urb
2025/06/15 22:01 linux-5.15.y 1c700860e8bc 5f4b362d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in dtv5100_i2c_xfer/usb_submit_urb
2025/06/15 17:36 linux-5.15.y 1c700860e8bc 5f4b362d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in dtv5100_i2c_xfer/usb_submit_urb
2025/06/15 13:59 linux-5.15.y 1c700860e8bc 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in dtv5100_i2c_xfer/usb_submit_urb
* Struck through repros no longer work on HEAD.