Extracting prog: 2m30.722828441s
Minimizing prog: 4m38.263821257s
Simplifying prog options: 0s
Extracting C: 34.879039396s
Simplifying C: 24m5.660198027s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, &(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES8, @ANYRESHEX=0x0], 0x0)

program crashed: WARNING in media_create_pad_link
program crashed: WARNING in media_create_pad_link
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
testing program (duration=47.020775461s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, 0x0, 0x0)

program did not crash
testing program (duration=47.020775461s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, &(0x7f0000000100)=ANY=[], 0x0)

program did not crash
testing program (duration=47.020775461s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, &(0x7f0000000100)=ANY=[@ANYBLOB, @ANYRES8, @ANYRESHEX=0x0], 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=47.020775461s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
simplifying C reproducer
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program did not crash
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program did not crash
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program did not crash
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing compiled C program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in media_create_pad_link
testing program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, &(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES8, @ANYRESHEX=0x0], 0x0)

program crashed: WARNING in media_create_pad_link
validation run: crashed=true
testing program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, &(0x7f0000000100)=ANY=[@ANYBLOB="1201000092e1300833280102d52a0000000109022200010000000009040000000e010000082403010002100708240201000300000000000000e3248e9217a2bf103449213fc7a56b20f99b48b1cedb2e2c9daa54411c450cfad92fa45d19ec0d6c5723ff0430f439d06bfd4bf9133d854ce16a36140076444796030dcded098acaf2914fb468a28beb187ce0f1d88584adb5518c92d304ef23c3dd3f1a2b353aa64b93d287547942bcd07b4eba41c6880fd24f8c02f04d578a0e05c9d764950eb191525c17fa55e7beef12442eb4db6981a9c3aababbf8963843c6247478856a023fdf92f585dc6c428bac9baeccc067f7ffffffffffffffa6720f8271b341df4fc3931ae5b80a113556fbf58fd9c9027b0ac0a29bbb636f78485110fb75b5bf6c5a2a109af0e3de44b8646bad18612a8d685ac3f3f60e8bb01943becf2c16983fcce1460c5f390ba1365dde2582024249193940442742316c29f3cd3132bf484921bffb82d9a7454af610d60d197a46532ee7dbf27716adfc6085e2c0cf50414405a9191509363456cb1d", @ANYRES8, @ANYRESHEX=0x0], 0x0)

program crashed: WARNING in media_create_pad_link
validation run: crashed=true
testing program (duration=47.020775461s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x34, &(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES8, @ANYRESHEX=0x0], 0x0)

program crashed: WARNING in media_create_pad_link
validation run: crashed=true
reproducing took 35m59.47836463s
repro crashed as (corrupted=false):
usb 1-1: Found UVC 0.00 device <unnamed> (2833:0201)
uvcvideo 1-1:0.0: Entity type for entity Output 1 was not initialized!
uvcvideo 1-1:0.0: Entity type for entity Input 1 was not initialized!
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5945 at drivers/media/mc/mc-entity.c:1147 media_create_pad_link+0xa22/0xba0 drivers/media/mc/mc-entity.c:1147
Modules linked in:
CPU: 0 UID: 0 PID: 5945 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:media_create_pad_link+0xa22/0xba0 drivers/media/mc/mc-entity.c:1147
Code: ff ff eb dc e8 2f fa f8 f9 90 0f 0b 90 b8 ea ff ff ff eb cc e8 1f fa f8 f9 90 0f 0b 90 b8 ea ff ff ff eb bc e8 0f fa f8 f9 90 <0f> 0b 90 b8 ea ff ff ff eb ac e8 ff f9 f8 f9 90 0f 0b 90 b8 ea ff
RSP: 0018:ffffc9000401e9c0 EFLAGS: 00010293
RAX: ffffffff87c6b381 RBX: 0000000000000000 RCX: ffff88807e46da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000003 R09: 1ffff11006426087
R10: dffffc0000000000 R11: ffffed1006426088 R12: ffff888030cce080
R13: ffff888030cce080 R14: 1ffff11006199c19 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86ddb7a0f5 CR3: 00000000773b0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline]
 uvc_mc_register_entities+0x745/0x9e0 drivers/media/usb/uvc/uvc_entity.c:151
 uvc_register_chains+0x3cf/0x4c0 drivers/media/usb/uvc/uvc_driver.c:2129
 uvc_probe+0x9f8d/0xaaf0 drivers/media/usb/uvc/uvc_driver.c:2268
 usb_probe_interface+0x668/0xc30 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26a/0x9e0 drivers/base/dd.c:659
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3689
 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/0x9e0 drivers/base/dd.c:659
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3689
 usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694
 hub_port_connect drivers/usb/core/hub.c:5566 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
 port_event drivers/usb/core/hub.c:5870 [inline]
 hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
usb 1-1: Found UVC 0.00 device <unnamed> (2833:0201)
uvcvideo 1-1:0.0: Entity type for entity Output 1 was not initialized!
uvcvideo 1-1:0.0: Entity type for entity Input 1 was not initialized!
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5945 at drivers/media/mc/mc-entity.c:1147 media_create_pad_link+0xa22/0xba0 drivers/media/mc/mc-entity.c:1147
Modules linked in:
CPU: 0 UID: 0 PID: 5945 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:media_create_pad_link+0xa22/0xba0 drivers/media/mc/mc-entity.c:1147
Code: ff ff eb dc e8 2f fa f8 f9 90 0f 0b 90 b8 ea ff ff ff eb cc e8 1f fa f8 f9 90 0f 0b 90 b8 ea ff ff ff eb bc e8 0f fa f8 f9 90 <0f> 0b 90 b8 ea ff ff ff eb ac e8 ff f9 f8 f9 90 0f 0b 90 b8 ea ff
RSP: 0018:ffffc9000401e9c0 EFLAGS: 00010293
RAX: ffffffff87c6b381 RBX: 0000000000000000 RCX: ffff88807e46da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000003 R09: 1ffff11006426087
R10: dffffc0000000000 R11: ffffed1006426088 R12: ffff888030cce080
R13: ffff888030cce080 R14: 1ffff11006199c19 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86ddb7a0f5 CR3: 00000000773b0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline]
 uvc_mc_register_entities+0x745/0x9e0 drivers/media/usb/uvc/uvc_entity.c:151
 uvc_register_chains+0x3cf/0x4c0 drivers/media/usb/uvc/uvc_driver.c:2129
 uvc_probe+0x9f8d/0xaaf0 drivers/media/usb/uvc/uvc_driver.c:2268
 usb_probe_interface+0x668/0xc30 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26a/0x9e0 drivers/base/dd.c:659
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3689
 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/0x9e0 drivers/base/dd.c:659
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3689
 usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694
 hub_port_connect drivers/usb/core/hub.c:5566 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
 port_event drivers/usb/core/hub.c:5870 [inline]
 hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>