syzbot


WARNING in cxacru_cm/usb_submit_urb (2)

Status: upstream: reported C repro on 2025/02/06 11:09
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+ccbbc229a024fa3e13b5@syzkaller.appspotmail.com
First crash: 5d08h, last: 5d04h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] WARNING in cxacru_cm/usb_submit_urb (2) 0 (1) 2025/02/06 11:09
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in cxacru_cm/usb_submit_urb usb C error inconclusive 14 231d 1800d 26/28 fixed on 2024/07/09 19:14

Sample crash report:
usb 5-1: Product: syz
usb 5-1: Manufacturer: syz
usb 5-1: SerialNumber: syz
------------[ cut here ]------------
usb 5-1: BOGUS urb xfer, pipe 3 != type 1
WARNING: CPU: 0 PID: 1378 at drivers/usb/core/urb.c:504 usb_submit_urb+0xc4e/0x18c0 drivers/usb/core/urb.c:503
Modules linked in:
CPU: 0 UID: 0 PID: 1378 Comm: kworker/0:3 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xc4e/0x18c0 drivers/usb/core/urb.c:503
Code: f8 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 b1 08 00 00 45 8b 07 48 c7 c7 20 63 b0 8c 48 8b 34 24 4c 89 e2 89 e9 e8 c3 a9 16 fa 90 <0f> 0b 90 90 48 8b 5c 24 30 41 89 dc 4c 89 e7 48 c7 c6 70 67 5a 8f
RSP: 0018:ffffc90002b8e7e8 EFLAGS: 00010246
RAX: af92b080481b1000 RBX: dffffc0000000000 RCX: ffff888034752440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000003 R08: ffffffff818027c2 R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff8880369aab40
R13: ffff8880368e2d00 R14: 0000000000000000 R15: ffffffff8cb0610c
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055559475cca8 CR3: 0000000040ff8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cxacru_cm+0x3c8/0xe50 drivers/usb/atm/cxacru.c:649
 cxacru_card_status drivers/usb/atm/cxacru.c:760 [inline]
 cxacru_bind+0xcf9/0x1150 drivers/usb/atm/cxacru.c:1223
 usbatm_usb_probe+0x314/0x1d30 drivers/usb/atm/usbatm.c:1058
 cxacru_usb_probe+0x184/0x220 drivers/usb/atm/cxacru.c:1377
 usb_probe_interface+0x641/0xbb0 drivers/usb/core/driver.c:396
 really_probe+0x2b9/0xad0 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x390 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+0x24e/0x2e0 drivers/base/bus.c:462
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:537
 device_add+0x856/0xbf0 drivers/base/core.c:3665
 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:250
 usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:291
 really_probe+0x2b9/0xad0 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x390 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+0x24e/0x2e0 drivers/base/bus.c:462
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:537
 device_add+0x856/0xbf0 drivers/base/core.c:3665
 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2652
 hub_port_connect drivers/usb/core/hub.c:5523 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5663 [inline]
 port_event drivers/usb/core/hub.c:5823 [inline]
 hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5905
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/02/02 14:56 upstream 69e858e0b8b2 568559e4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cxacru_cm/usb_submit_urb
2025/02/02 13:57 upstream 69e858e0b8b2 568559e4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cxacru_cm/usb_submit_urb
2025/02/02 12:56 upstream 69e858e0b8b2 568559e4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cxacru_cm/usb_submit_urb
2025/02/02 11:57 upstream 69e858e0b8b2 568559e4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cxacru_cm/usb_submit_urb
2025/02/02 14:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72deda0abee6 568559e4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in cxacru_cm/usb_submit_urb
2025/02/02 14:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72deda0abee6 568559e4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in cxacru_cm/usb_submit_urb
2025/02/02 12:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72deda0abee6 568559e4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in cxacru_cm/usb_submit_urb
2025/02/02 10:58 upstream 69e858e0b8b2 568559e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cxacru_cm/usb_submit_urb
* Struck through repros no longer work on HEAD.