syzbot


WARNING in cm109_input_open/usb_submit_urb (2)

Status: upstream: reported on 2023/10/21 06:32
Subsystems: input
[Documentation on labels]
Reported-by: syzbot+2e305789579d76b5c253@syzkaller.appspotmail.com
First crash: 128d, last: 76d
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly input report (Dec 2023) 0 (1) 2023/12/16 23:58
[syzbot] [input?] WARNING in cm109_input_open/usb_submit_urb (2) 0 (1) 2023/10/21 06:32
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in cm109_input_open/usb_submit_urb usb input syz unreliable error 2 503d 1015d 0/26 auto-obsoleted due to no activity on 2023/04/22 01:04

Sample crash report:
cm109 4-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.8/input/input97
------------[ cut here ]------------
URB ffff88801f9dd100 submitted while active
WARNING: CPU: 1 PID: 5155 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1035/0x18c0 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 1 PID: 5155 Comm: kworker/1:6 Not tainted 6.7.0-rc4-syzkaller-00039-g9ace34a8e446 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x1035/0x18c0 drivers/usb/core/urb.c:379
Code: 00 eb 66 e8 cd bf b7 fa e9 7d f0 ff ff e8 c3 bf b7 fa c6 05 ed 14 15 08 01 90 48 c7 c7 00 8b 09 8c 4c 89 ee e8 7c 9d 7d fa 90 <0f> 0b 90 90 e9 44 f0 ff ff e8 9d bf b7 fa eb 12 e8 96 bf b7 fa 41
RSP: 0018:ffffc90004816b88 EFLAGS: 00010246
RAX: 63777c0d666d6300 RBX: 0000000000000cc0 RCX: 0000000000040000
RDX: ffffc90013bb4000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff88801f9dd108 R08: ffffffff81545a92 R09: 1ffff11017325172
R10: dffffc0000000000 R11: ffffed1017325173 R12: 1ffff11007f4410a
R13: ffff88801f9dd100 R14: dffffc0000000000 R15: ffff88803fa20810
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa57ccffd81 CR3: 000000003ab74000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cm109_input_open+0x1f9/0x460 drivers/input/misc/cm109.c:572
 input_open_device+0x18c/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+0xcf0/0x1090 drivers/input/input.c:2396
 cm109_usb_probe+0x10c3/0x1600 drivers/input/misc/cm109.c:806
 usb_probe_interface+0x5c4/0xb00 drivers/usb/core/driver.c:396
 really_probe+0x294/0xc30 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:800
 driver_probe_device+0x50/0x420 drivers/base/dd.c:830
 __device_attach_driver+0x2d3/0x520 drivers/base/dd.c:958
 bus_for_each_drv+0x24a/0x2d0 drivers/base/bus.c:457
 __device_attach+0x32f/0x510 drivers/base/dd.c:1030
 bus_probe_device+0x185/0x260 drivers/base/bus.c:532
 device_add+0x8ef/0xc90 drivers/base/core.c:3625
 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2207
 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:238
 usb_probe_device+0x134/0x270 drivers/usb/core/driver.c:293
 really_probe+0x294/0xc30 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:800
 driver_probe_device+0x50/0x420 drivers/base/dd.c:830
 __device_attach_driver+0x2d3/0x520 drivers/base/dd.c:958
 bus_for_each_drv+0x24a/0x2d0 drivers/base/bus.c:457
 __device_attach+0x32f/0x510 drivers/base/dd.c:1030
 bus_probe_device+0x185/0x260 drivers/base/bus.c:532
 device_add+0x8ef/0xc90 drivers/base/core.c:3625
 usb_new_device+0x1027/0x1970 drivers/usb/core/hub.c:2576
 hub_port_connect drivers/usb/core/hub.c:5440 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 port_event drivers/usb/core/hub.c:5740 [inline]
 hub_event+0x2de5/0x5050 drivers/usb/core/hub.c:5822
 process_one_work kernel/workqueue.c:2627 [inline]
 process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/12/08 05:40 upstream 9ace34a8e446 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cm109_input_open/usb_submit_urb
2023/10/17 06:22 upstream 213f891525c2 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in cm109_input_open/usb_submit_urb
* Struck through repros no longer work on HEAD.