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From: syzbot <syzbot+4687ab80180e5d724f51@syzkaller.appspotmail.com>
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	 linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: [syzbot] [usb?] WARNING in osif_xfer/usb_submit_urb
Date: Sun, 04 May 2025 22:59:26 -0700	[thread overview]
Message-ID: <681853be.a70a0220.254cdc.0045.GAE@google.com> (raw)

Hello,

syzbot found the following issue on:

HEAD commit:    4f79eaa2ceac kbuild: Properly disable -Wunterminated-strin..
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=11436f74580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a9a25b7a36123454
dashboard link: https://syzkaller.appspot.com/bug?extid=4687ab80180e5d724f51
compiler:       Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103081cc580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17ba139b980000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/12c9f96176cf/disk-4f79eaa2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c24afd828d55/vmlinux-4f79eaa2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b2d77950e184/bzImage-4f79eaa2.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4687ab80180e5d724f51@syzkaller.appspotmail.com

------------[ cut here ]------------
usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c1
WARNING: CPU: 1 PID: 5832 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: 5832 Comm: syz-executor397 Not tainted 6.15.0-rc4-syzkaller-00052-g4f79eaa2ceac #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
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 5f 12 8c 48 8b 74 24 18 4c 89 fa 44 89 f1 e8 7f 6a 6f 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:ffffc9000401f6d0 EFLAGS: 00010246
RAX: 76fdec7c67ae9b00 RBX: ffff8880216ebd00 RCX: ffff888023fc9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff110034f4a08 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: ffff88801a7a5040
R13: dffffc0000000000 R14: 0000000080000280 R15: ffff88801a7a5700
FS:  0000555562d49380(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb480077df0 CR3: 000000007c70a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 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
 osif_usb_read drivers/i2c/busses/i2c-robotfuzz-osif.c:41 [inline]
 osif_xfer+0x21a/0x5e0 drivers/i2c/busses/i2c-robotfuzz-osif.c:69
 __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_recv include/linux/i2c.h:79 [inline]
 i2cdev_read+0x10d/0x220 drivers/i2c/i2c-dev.c:155
 vfs_read+0x1fd/0x980 fs/read_write.c:568
 ksys_read+0x145/0x250 fs/read_write.c:713
 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: 0033:0x7f62e575f119
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 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:00007ffd8ac089d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f62e575f119
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f62e57d2610 R08: 00232d6332692f76 R09: 00007ffd8ac08ba8
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd8ac08b98 R14: 0000000000000001 R15: 0000000000000001
 </TASK>


---
This report is generated by a bot. It may contain errors.
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If the report is already addressed, let syzbot know by replying with:
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If you want syzbot to run the reproducer, reply with:
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If you want to overwrite report's subsystems, reply with:
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If you want to undo deduplication, reply with:
#syz undup

             reply	other threads:[~2025-05-05  5:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-05  5:59 syzbot [this message]
2025-07-24 14:37 ` [syzbot] [usb?] WARNING in osif_xfer/usb_submit_urb syzbot
2025-07-24 15:26   ` Wolfram Sang

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