[syzbot] [input?] WARNING in cm109_input_open/usb_submit_urb (3)

[syzbot] [input?] WARNING in cm109_input_open/usb_submit_urb (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14136479180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7
dashboard link: https://syzkaller.appspot.com/bug?extid=ac0f9c4cc1e034160492
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/0f7abe4afac7/disk-fe46a7dd.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/82598d09246c/vmlinux-fe46a7dd.xz
kernel image: https://storage.googleapis.com/syzbot-assets/efa23788c875/bzImage-fe46a7dd.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ac0f9c4cc1e034160492@syzkaller.appspotmail.com

input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input8
------------[ cut here ]------------
URB ffff8880285c2100 submitted while active
WARNING: CPU: 1 PID: 5112 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1039/0x18c0 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 1 PID: 5112 Comm: kworker/1:3 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x1039/0x18c0 drivers/usb/core/urb.c:379
Code: 00 eb 66 e8 b9 b2 86 fa e9 79 f0 ff ff e8 af b2 86 fa c6 05 1e 90 63 08 01 90 48 c7 c7 c0 96 4b 8c 4c 89 ee e8 c8 86 49 fa 90 <0f> 0b 90 90 e9 40 f0 ff ff e8 89 b2 86 fa eb 12 e8 82 b2 86 fa 41
RSP: 0018:ffffc90004a0eb48 EFLAGS: 00010246
RAX: e879a53475439e00 RBX: 0000000000000cc0 RCX: 0000000000040000
RDX: ffffc900134bb000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8880285c2108 R08: ffffffff8157cc12 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: 1ffff11005a65a0a
R13: ffff8880285c2100 R14: dffffc0000000000 R15: ffff88802d32d010
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002024 CR3: 0000000068c66000 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+0x5cd/0xb00 drivers/usb/core/driver.c:399
 really_probe+0x2a0/0xc50 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x3e0 drivers/base/dd.c:800
 driver_probe_device+0x50/0x430 drivers/base/dd.c:830
 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:532
 device_add+0x8ff/0xca0 drivers/base/core.c:3639
 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2207
 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254
 usb_probe_device+0x140/0x2d0 drivers/usb/core/driver.c:294
 really_probe+0x2a0/0xc50 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x3e0 drivers/base/dd.c:800
 driver_probe_device+0x50/0x430 drivers/base/dd.c:830
 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:532
 device_add+0x8ff/0xca0 drivers/base/core.c:3639
 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2614
 hub_port_connect drivers/usb/core/hub.c:5483 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x2d13/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa02/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 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:243
 </TASK>


---
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Re: [syzbot] [input?] WARNING in cm109_input_open/usb_submit_urb (3)

[syzbot]

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.

Re: [syzbot] [usb?] [input?] WARNING in cm109_input_open/usb_submit_urb (3)

[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit:    0f70f5b08a47 Merge tag 'pull-automount' of git://git.kerne..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=150e0c82580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=22765942f2e2ebcf
dashboard link: https://syzkaller.appspot.com/bug?extid=ac0f9c4cc1e034160492
compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103dbed4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=130e0c82580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f091df6896fd/disk-0f70f5b0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/978b2a8699d8/vmlinux-0f70f5b0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b6e13557ddc0/bzImage-0f70f5b0.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ac0f9c4cc1e034160492@syzkaller.appspotmail.com

cm109 2-1:0.8: invalid payload size 1024, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.8/input/input551
------------[ cut here ]------------
URB ffff88814caed700 submitted while active
WARNING: CPU: 0 PID: 6321 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfa8/0x1870 drivers/usb/core/urb.c:379
Modules linked in:

CPU: 0 UID: 0 PID: 6321 Comm: kworker/0:8 Not tainted 6.15.0-syzkaller-09161-g0f70f5b08a47 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xfa8/0x1870 drivers/usb/core/urb.c:379
Code: 00 eb 5c e8 0a 68 a8 fa e9 09 f1 ff ff e8 00 68 a8 fa c6 05 f0 aa 71 08 01 90 48 c7 c7 00 5a 32 8c 48 89 de e8 a9 41 6c fa 90 <0f> 0b 90 90 e9 d0 f0 ff ff e8 da 67 a8 fa eb 11 e8 d3 67 a8 fa bd
RSP: 0018:ffffc9000d02eb38 EFLAGS: 00010246
RAX: a79c1e2737f67a00 RBX: ffff88814caed700 RCX: ffff88801e3f0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 000000000000000f R08: ffffffff8f9f7ff7 R09: 1ffffffff1f3effe
R10: dffffc0000000000 R11: fffffbfff1f3efff R12: 1ffff1100234820a
R13: dffffc0000000000 R14: ffff88814caed708 R15: 0000000000000cc0
FS:  0000000000000000(0000) GS:ffff888125c99000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555851e6da8 CR3: 000000002fb48000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cm109_input_open+0x1fb/0x460 drivers/input/misc/cm109.c:566
 input_open_device+0x1c5/0x360 drivers/input/input.c:600
 kbd_connect+0xed/0x140 drivers/tty/vt/keyboard.c:1591
 input_attach_handler drivers/input/input.c:993 [inline]
 input_register_device+0xcee/0x10b0 drivers/input/input.c:2412
 cm109_usb_probe+0x118c/0x1690 drivers/input/misc/cm109.c:797
 usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26a/0x9a0 drivers/base/dd.c:657
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1029
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3692
 usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26a/0x9a0 drivers/base/dd.c:657
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1029
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3692
 usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2663
 hub_port_connect drivers/usb/core/hub.c:5531 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
 port_event drivers/usb/core/hub.c:5831 [inline]
 hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </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.