From: syzbot <syzbot+ac0f9c4cc1e034160492@syzkaller.appspotmail.com>
To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [input?] WARNING in cm109_input_open/usb_submit_urb (3)
Date: Mon, 06 May 2024 05:38:20 -0700 [thread overview]
Message-ID: <0000000000002bde520617c85875@google.com> (raw)
In-Reply-To: <000000000000ae4aa90614a58d7b@google.com>
syzbot has found a reproducer for the following issue on:
HEAD commit: dd5a440a31fa Linux 6.9-rc7
git tree: upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=1792e8a7180000
kernel config: https://syzkaller.appspot.com/x/.config?x=6d14c12b661fb43
dashboard link: https://syzkaller.appspot.com/bug?extid=ac0f9c4cc1e034160492
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10b7d354980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/58e2a4900479/disk-dd5a440a.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/246a109c32d6/vmlinux-dd5a440a.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d2719f7eb672/bzImage-dd5a440a.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ac0f9c4cc1e034160492@syzkaller.appspotmail.com
------------[ cut here ]------------
URB ffff8880293d7f00 submitted while active
WARNING: CPU: 0 PID: 1141 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1039/0x18c0 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 1141 Comm: kworker/0:2 Not tainted 6.9.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x1039/0x18c0 drivers/usb/core/urb.c:379
Code: 00 eb 66 e8 59 f2 7c fa e9 79 f0 ff ff e8 4f f2 7c fa c6 05 8f 7e 7a 08 01 90 48 c7 c7 a0 74 6c 8c 4c 89 ee e8 58 64 3f fa 90 <0f> 0b 90 90 e9 40 f0 ff ff e8 29 f2 7c fa eb 12 e8 22 f2 7c fa 41
RSP: 0018:ffffc90004926b48 EFLAGS: 00010246
RAX: 12b779fa952e9100 RBX: 0000000000000cc0 RCX: ffff8880229e8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880293d7f08 R08: ffffffff81587d32 R09: 1ffffffff25e6abf
R10: dffffc0000000000 R11: fffffbfff25e6ac0 R12: 1ffff11005d6920a
R13: ffff8880293d7f00 R14: dffffc0000000000 R15: ffff88802eb49010
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b1af938 CR3: 000000007c014000 CR4: 0000000000350ef0
Call Trace:
<TASK>
cm109_input_open+0x1f9/0x470 drivers/input/misc/cm109.c:572
input_open_device+0x193/0x2e0 drivers/input/input.c:654
kbd_connect+0xe9/0x130 drivers/tty/vt/keyboard.c:1593
input_attach_handler drivers/input/input.c:1064 [inline]
input_register_device+0xcfc/0x1090 drivers/input/input.c:2396
cm109_usb_probe+0x10cd/0x1600 drivers/input/misc/cm109.c:806
usb_probe_interface+0x647/0xbb0 drivers/usb/core/driver.c:399
really_probe+0x2ba/0xad0 drivers/base/dd.c:656
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798
driver_probe_device+0x50/0x430 drivers/base/dd.c:828
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956
bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457
__device_attach+0x333/0x520 drivers/base/dd.c:1028
bus_probe_device+0x189/0x260 drivers/base/bus.c:532
device_add+0x8ff/0xca0 drivers/base/core.c:3720
usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254
usb_probe_device+0x1ba/0x380 drivers/usb/core/driver.c:294
really_probe+0x2ba/0xad0 drivers/base/dd.c:656
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798
driver_probe_device+0x50/0x430 drivers/base/dd.c:828
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956
bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457
__device_attach+0x333/0x520 drivers/base/dd.c:1028
bus_probe_device+0x189/0x260 drivers/base/bus.c:532
device_add+0x8ff/0xca0 drivers/base/core.c:3720
usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2652
hub_port_connect drivers/usb/core/hub.c:5522 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5662 [inline]
port_event drivers/usb/core/hub.c:5822 [inline]
hub_event+0x2d6a/0x5150 drivers/usb/core/hub.c:5904
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348
worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
prev parent reply other threads:[~2024-05-06 12:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-27 14:52 [syzbot] [input?] WARNING in cm109_input_open/usb_submit_urb (3) syzbot
2024-05-06 12:38 ` syzbot [this message]
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