[syzbot] [media?] WARNING in trace_suspend_resume/usb_submit_urb

syzbot
2026-04-20T21:36:21Z

Hello,

syzbot found the following issue on:

HEAD commit: 8541d8f725c6 Merge tag 'mtd/for-7.1' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12f60836580000
kernel config: https://syzkaller.appspot.com/x/.config?x=fde9e2450560a38
dashboard link: https://syzkaller.appspot.com/bug?extid=11f0e4f957c7c3bf3d51
compiler: arm-linux-gnueabi-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
userspace arch: arm
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1148ef16580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11581702580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/98a89b9f34e4/non_bootable_disk-8541d8f7.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2cff38048ad6/vmlinux-8541d8f7.xz
kernel image: https://storage.googleapis.com/syzbot-assets/68de24d0a9c9/zImage-8541d8f7.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+11f0e4f957c7c3bf3d51@syzkaller.appspotmail.com

rc rc0: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc0
input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc0/input3
------------[ cut here ]------------
WARNING: drivers/usb/core/urb.c:411 at usb_submit_urb+0x518/0x63c drivers/usb/core/urb.c:411, CPU#1: kworker/1:1/3087
usb 2-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType 0
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 3087 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT
Hardware name: ARM-Versatile Express
Workqueue: usb_hub_wq hub_event
Call trace:
[<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
r7:82a1e6fc r6:00000000 r5:8231ad74 r4:00000001
[<80201af0>] (show_stack) from [<8021e2fc>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201af0>] (show_stack) from [<8021e2fc>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e2a0>] (dump_stack_lvl) from [<8021e328>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
r7:82a1e6fc r6:00000000 r5:83808c40 r4:82c7bd3c
[<8021e310>] (dump_stack) from [<8020260c>] (vpanic+0x114/0x320 kernel/panic.c:650)
[<802024f8>] (vpanic) from [<8020284c>] (trace_suspend_resume+0x0/0x104 kernel/panic.c:787)
r7:80f16014
[<80202818>] (panic) from [<802506a8>] (check_panic_on_warn kernel/panic.c:524 [inline])
[<80202818>] (panic) from [<802506a8>] (get_taint+0x0/0x1c kernel/panic.c:519)
r3:82a0b544 r2:00000001 r1:8230185c r0:8230913c
[<80250630>] (check_panic_on_warn) from [<80250824>] (__warn+0x98/0x1ac kernel/panic.c:1103)
[<8025078c>] (__warn) from [<80250b20>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1138)
r8:00000009 r7:8240b1a0 r6:eabd18c4 r5:83808c40 r4:00000000
[<8025093c>] (warn_slowpath_fmt) from [<80f16014>] (usb_submit_urb+0x518/0x63c drivers/usb/core/urb.c:411)
r10:8530cf4c r9:00000000 r8:00000000 r7:00000001 r6:85fdf844 r5:85fdf800
r4:85311000
[<80f15afc>] (usb_submit_urb) from [<81168dac>] (igorplugusb_cmd drivers/media/rc/igorplugusb.c:127 [inline])
[<80f15afc>] (usb_submit_urb) from [<81168dac>] (igorplugusb_probe+0x250/0x31c drivers/media/rc/igorplugusb.c:225)
r10:00000027 r9:00000000 r8:00000000 r7:85fdfa8c r6:852a5800 r5:00000000
r4:8530cf40
[<81168b5c>] (igorplugusb_probe) from [<80f1b004>] (usb_probe_interface+0x15c/0x3d8 drivers/usb/core/driver.c:396)
r10:82d280d4 r9:82bb52f0 r8:82bb52f8 r7:85fdf888 r6:81dec46c r5:852a5830
r4:ffffffed
[<80f1aea8>] (usb_probe_interface) from [<80bac3cc>] (call_driver_probe drivers/base/dd.c:631 [inline])
[<80f1aea8>] (usb_probe_interface) from [<80bac3cc>] (really_probe+0xd8/0x40c drivers/base/dd.c:709)
r10:8240b678 r9:82b5dc44 r8:00000014 r7:00000000 r6:82bb52f8 r5:00000000
r4:852a5830
[<80bac2f4>] (really_probe) from [<80bac794>] (__driver_probe_device+0x94/0x1ec drivers/base/dd.c:851)
r8:00000014 r7:852a5830 r6:eabd1ab4 r5:82bb52f8 r4:852a5830
[<80bac700>] (__driver_probe_device) from [<80bac9cc>] (driver_probe_device+0x3c/0xd8 drivers/base/dd.c:881)
r9:82b5dc44 r8:00000014 r7:852a5830 r6:eabd1ab4 r5:82d203bc r4:82d203ac
[<80bac990>] (driver_probe_device) from [<80bacb08>] (__device_attach_driver+0xa0/0x138 drivers/base/dd.c:1009)
r9:82b5dc44 r8:831fa940 r7:852a5830 r6:eabd1ab4 r5:82bb52f8 r4:00000001
[<80baca68>] (__device_attach_driver) from [<80baa000>] (bus_for_each_drv+0x98/0xec drivers/base/bus.c:500)
r7:831fa900 r6:80baca68 r5:eabd1ab4 r4:00000000
[<80ba9f68>] (bus_for_each_drv) from [<80bacf24>] (__device_attach+0xb0/0x1e4 drivers/base/dd.c:1081)
r7:831fa900 r6:852a587c r5:00000001 r4:852a5830
[<80bace74>] (__device_attach) from [<80bad218>] (device_initial_probe+0x44/0x48 drivers/base/dd.c:1136)
r6:831fa900 r5:852a5830 r4:831fa900
[<80bad1d4>] (device_initial_probe) from [<80bab080>] (bus_probe_device+0x30/0x84 drivers/base/bus.c:613)
r5:852a5830 r4:852a5830
[<80bab050>] (bus_probe_device) from [<80ba82e8>] (device_add+0x5f0/0x814 drivers/base/core.c:3691)
r9:82b5dc44 r8:81da2ef0 r7:85fdf888 r6:00000000 r5:00000000 r4:852a5830
[<80ba7cf8>] (device_add) from [<80f190b8>] (usb_set_configuration+0x5d8/0x938 drivers/usb/core/message.c:2266)
r10:8240b678 r9:82c2d4c0 r8:85fdf888 r7:8649d050 r6:00000000 r5:8649d050
r4:852a5800
[<80f18ae0>] (usb_set_configuration) from [<80f262d0>] (usb_generic_driver_probe+0x48/0x84 drivers/usb/core/generic.c:250)
r10:8435c128 r9:82b5dc44 r8:00000014 r7:85fdf800 r6:82b84e9c r5:00000000
r4:85fdf800
[<80f26288>] (usb_generic_driver_probe) from [<80f1a468>] (usb_probe_device+0x44/0x14c drivers/usb/core/driver.c:291)
r5:00000001 r4:85fdf888
[<80f1a424>] (usb_probe_device) from [<80bac3cc>] (call_driver_probe drivers/base/dd.c:631 [inline])
[<80f1a424>] (usb_probe_device) from [<80bac3cc>] (really_probe+0xd8/0x40c drivers/base/dd.c:709)
r7:00000000 r6:82b84e9c r5:00000000 r4:85fdf888
[<80bac2f4>] (really_probe) from [<80bac794>] (__driver_probe_device+0x94/0x1ec drivers/base/dd.c:851)
r8:00000014 r7:85fdf888 r6:eabd1d1c r5:82b84e9c r4:85fdf888
[<80bac700>] (__driver_probe_device) from [<80bac9cc>] (driver_probe_device+0x3c/0xd8 drivers/base/dd.c:881)
r9:82b5dc44 r8:00000014 r7:85fdf888 r6:eabd1d1c r5:82d203bc r4:82d203ac
[<80bac990>] (driver_probe_device) from [<80bacb08>] (__device_attach_driver+0xa0/0x138 drivers/base/dd.c:1009)
r9:82b5dc44 r8:831fa940 r7:85fdf888 r6:eabd1d1c r5:82b84e9c r4:00000001
[<80baca68>] (__device_attach_driver) from [<80baa000>] (bus_for_each_drv+0x98/0xec drivers/base/bus.c:500)
r7:831fa900 r6:80baca68 r5:eabd1d1c r4:00000000
[<80ba9f68>] (bus_for_each_drv) from [<80bacf24>] (__device_attach+0xb0/0x1e4 drivers/base/dd.c:1081)
r7:831fa900 r6:85fdf8d4 r5:00000001 r4:85fdf888
[<80bace74>] (__device_attach) from [<80bad218>] (device_initial_probe+0x44/0x48 drivers/base/dd.c:1136)
r6:831fa900 r5:85fdf888 r4:831fa900
[<80bad1d4>] (device_initial_probe) from [<80bab080>] (bus_probe_device+0x30/0x84 drivers/base/bus.c:613)
r5:85fdf888 r4:85fdf888
[<80bab050>] (bus_probe_device) from [<80ba82e8>] (device_add+0x5f0/0x814 drivers/base/core.c:3691)
r9:82b5dc44 r8:00000000 r7:84709088 r6:00000000 r5:00000000 r4:85fdf888
[<80ba7cf8>] (device_add) from [<80f0d030>] (usb_new_device+0x28c/0x6b8 drivers/usb/core/hub.c:2695)
r10:8435c128 r9:00000003 r8:ffffffff r7:00000001 r6:86314f40 r5:85fdf888
r4:85fdf800
[<80f0cda4>] (usb_new_device) from [<80f0f8e4>] (hub_port_connect drivers/usb/core/hub.c:5567 [inline])
[<80f0cda4>] (usb_new_device) from [<80f0f8e4>] (hub_port_connect_change drivers/usb/core/hub.c:5707 [inline])
[<80f0cda4>] (usb_new_device) from [<80f0f8e4>] (port_event drivers/usb/core/hub.c:5871 [inline])
[<80f0cda4>] (usb_new_device) from [<80f0f8e4>] (hub_event+0x11ec/0x1b80 drivers/usb/core/hub.c:5953)
r10:8435c128 r9:85fdf800 r8:84709000 r7:00000001 r6:8435cc00 r5:00000000
r4:8435cc1c
[<80f0e6f8>] (hub_event) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
r10:8302fa05 r9:83808c40 r8:01800000 r7:ddde4e00 r6:8302fa00 r5:8435c128
r4:83112e00
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
r10:00000000 r9:83112e30 r8:83808c40 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
r4:83112e00
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
r10:00000000 r9:df879e88 r8:8489f580 r7:83112e00 r6:80276fb8 r5:83808c40
r4:85c05400
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeabd1fb0 to 0xeabd1ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85c05400
Rebooting in 86400 seconds..

---
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