syzbot


WARNING in dib0700_rc_setup/usb_submit_urb

Status: upstream: reported C repro on 2025/03/27 16:26
Subsystems: media usb
[Documentation on labels]
Reported-by: syzbot+e0d5af779eabb323f695@syzkaller.appspotmail.com
First crash: 6d12h, last: 4d09h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [media?] [usb?] WARNING in dib0700_rc_setup/usb_submit_urb 0 (1) 2025/03/27 16:26

Sample crash report:
rc_core: IR keymap rc-dib0700-rc5 not found
Registered IR keymap rc-empty
dvb-usb: could not initialize remote control.
dvb-usb: Gigabyte U7000 successfully initialized and connected.
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 10 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503
Modules linked in:
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.14.0-rc6-syzkaller-ged492c95f13a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503
Code: 84 3c 02 00 00 e8 e5 7c ee fc 4c 89 ef e8 1d ca d4 fe 45 89 e0 89 e9 4c 89 f2 48 89 c6 48 c7 c7 40 65 a2 87 e8 56 86 b2 fc 90 <0f> 0b 90 90 e9 e9 f8 ff ff e8 b7 7c ee fc 49 81 c4 c0 05 00 00 e9
RSP: 0018:ffffc900000aef60 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888114974300 RCX: ffffffff813f5e19
RDX: ffff888101699d40 RSI: ffffffff813f5e26 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003
R13: ffff8881150bf0b0 R14: ffff8881046961a0 R15: ffff88811497437c
FS:  0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb081020440 CR3: 0000000117d02000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dib0700_rc_setup+0x45d/0x7b0 drivers/media/usb/dvb-usb/dib0700_core.c:866
 dib0700_probe+0x29c/0x390 drivers/media/usb/dvb-usb/dib0700_core.c:903
 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:462
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
 device_add+0x114b/0x1a70 drivers/base/core.c:3666
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:462
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
 device_add+0x114b/0x1a70 drivers/base/core.c:3666
 usb_new_device+0xd09/0x1a20 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+0x2e58/0x4f40 drivers/usb/core/hub.c:5913
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (12):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/24 23:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 21:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 20:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 18:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 17:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 15:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/26 16:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/26 16:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/26 16:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/26 16:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 18:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
2025/03/24 13:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed492c95f13a 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in dib0700_rc_setup/usb_submit_urb
* Struck through repros no longer work on HEAD.