Extracting prog: 3m30.421600841s
Minimizing prog: 32m26.444747938s
Simplifying prog options: 0s
Extracting C: 33.118147598s
Simplifying C: 13m37.207605026s


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:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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_ep_read
detailed listing:
executing program 0:
syz_usb_ep_read(0xffffffffffffffff, 0x1, 0x73, &(0x7f0000000040)=""/115)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x0, 0x0, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0})
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, 0x0)
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})
syz_usb_ep_read(r0, 0x1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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: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-syz_usb_ep_read
program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
testing program (duration=6m0s, {Threaded:false Repeat:true 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: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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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: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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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: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-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xb3, 0xb8, 0xd4, 0x40, 0x11ba, 0x1001, 0xec57, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x19, 0xb0, 0x13, [{{0x9, 0x4, 0x4e, 0x3, 0x1, 0x4d, 0x6b, 0xe7, 0xca, [], [{{0x9, 0x5, 0x1, 0x2, 0x8, 0x7, 0x7, 0x2}}]}}]}}]}}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x24f})
syz_usb_ep_read(r0, 0x1, 0x73, &(0x7f0000000040)=""/115)

program crashed: WARNING in pvr2_send_request_ex/usb_submit_urb
validation run: crashed=true
reproducing took 57m36.611220578s
repro crashed as (corrupted=false):
pvrusb2: Invalid read control endpoint
------------[ cut here ]------------
URB ffff88802748e500 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379, CPU#1: pvrusb2-context/2347
Modules linked in:
CPU: 1 UID: 0 PID: 2347 Comm: pvrusb2-context Not tainted 6.16.0-next-20250805-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Code: 44 89 f2 e8 01 59 f8 f9 e9 13 fc ff ff e8 b7 80 8b fa c6 05 24 59 99 08 01 90 48 c7 c7 40 05 56 8c 48 89 de e8 60 18 4f fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 91 80 8b fa eb 11 e8 8a 80 8b fa bd
RSP: 0000:ffffc90004f3e8f0 EFLAGS: 00010246
RAX: 7b07a53c858a6400 RBX: ffff88802748e500 RCX: ffff888029ea5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90004f3eb40 R08: ffff8880b8724253 R09: 1ffff110170e484a
R10: dffffc0000000000 R11: ffffed10170e484b R12: dffffc0000000000
R13: ffff888076f895f8 R14: ffff88802748e508 R15: 0000000000000cc0
FS:  0000000000000000(0000) GS:ffff8881258e9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a30d4b7f48 CR3: 000000000e336000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pvr2_send_request_ex+0xc33/0x2020 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:3676
 pvr2_send_request+0x38/0x50 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:3819
 pvr2_i2c_read drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:130 [inline]
 pvr2_i2c_basic_op+0x44e/0x930 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:172
 pvr2_i2c_xfer+0x9e3/0xda0 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:445
 __i2c_transfer+0x874/0x2170 drivers/i2c/i2c-core-base.c:-1
 i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:470 [inline]
 __i2c_smbus_xfer+0xfb0/0x1e50 drivers/i2c/i2c-core-smbus.c:608
 i2c_smbus_xfer+0x275/0x3c0 drivers/i2c/i2c-core-smbus.c:546
 i2c_smbus_read_byte_data+0xfe/0x1c0 drivers/i2c/i2c-core-smbus.c:143
 saa711x_detect_chip drivers/media/i2c/saa7115.c:1710 [inline]
 saa711x_probe+0x1c1/0x1570 drivers/media/i2c/saa7115.c:1816
 i2c_device_probe+0x906/0xc10 drivers/i2c/i2c-core-base.c:591
 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
 i2c_new_client_device+0xa11/0x1120 drivers/i2c/i2c-core-base.c:1022
 v4l2_i2c_new_subdev_board+0x86/0x250 drivers/media/v4l2-core/v4l2-i2c.c:81
 v4l2_i2c_new_subdev+0x14a/0x1e0 drivers/media/v4l2-core/v4l2-i2c.c:136
 pvr2_hdw_load_subdev drivers/media/usb/pvrusb2/pvrusb2-hdw.c:-1 [inline]
 pvr2_hdw_load_modules drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2074 [inline]
 pvr2_hdw_setup_low drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2155 [inline]
 pvr2_hdw_setup drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2261 [inline]
 pvr2_hdw_initialize+0xe18/0x3ac0 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x487/0xaf0 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 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):
pvrusb2: Invalid read control endpoint
------------[ cut here ]------------
URB ffff88802748e500 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379, CPU#1: pvrusb2-context/2347
Modules linked in:
CPU: 1 UID: 0 PID: 2347 Comm: pvrusb2-context Not tainted 6.16.0-next-20250805-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Code: 44 89 f2 e8 01 59 f8 f9 e9 13 fc ff ff e8 b7 80 8b fa c6 05 24 59 99 08 01 90 48 c7 c7 40 05 56 8c 48 89 de e8 60 18 4f fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 91 80 8b fa eb 11 e8 8a 80 8b fa bd
RSP: 0000:ffffc90004f3e8f0 EFLAGS: 00010246
RAX: 7b07a53c858a6400 RBX: ffff88802748e500 RCX: ffff888029ea5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90004f3eb40 R08: ffff8880b8724253 R09: 1ffff110170e484a
R10: dffffc0000000000 R11: ffffed10170e484b R12: dffffc0000000000
R13: ffff888076f895f8 R14: ffff88802748e508 R15: 0000000000000cc0
FS:  0000000000000000(0000) GS:ffff8881258e9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a30d4b7f48 CR3: 000000000e336000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pvr2_send_request_ex+0xc33/0x2020 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:3676
 pvr2_send_request+0x38/0x50 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:3819
 pvr2_i2c_read drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:130 [inline]
 pvr2_i2c_basic_op+0x44e/0x930 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:172
 pvr2_i2c_xfer+0x9e3/0xda0 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:445
 __i2c_transfer+0x874/0x2170 drivers/i2c/i2c-core-base.c:-1
 i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:470 [inline]
 __i2c_smbus_xfer+0xfb0/0x1e50 drivers/i2c/i2c-core-smbus.c:608
 i2c_smbus_xfer+0x275/0x3c0 drivers/i2c/i2c-core-smbus.c:546
 i2c_smbus_read_byte_data+0xfe/0x1c0 drivers/i2c/i2c-core-smbus.c:143
 saa711x_detect_chip drivers/media/i2c/saa7115.c:1710 [inline]
 saa711x_probe+0x1c1/0x1570 drivers/media/i2c/saa7115.c:1816
 i2c_device_probe+0x906/0xc10 drivers/i2c/i2c-core-base.c:591
 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
 i2c_new_client_device+0xa11/0x1120 drivers/i2c/i2c-core-base.c:1022
 v4l2_i2c_new_subdev_board+0x86/0x250 drivers/media/v4l2-core/v4l2-i2c.c:81
 v4l2_i2c_new_subdev+0x14a/0x1e0 drivers/media/v4l2-core/v4l2-i2c.c:136
 pvr2_hdw_load_subdev drivers/media/usb/pvrusb2/pvrusb2-hdw.c:-1 [inline]
 pvr2_hdw_load_modules drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2074 [inline]
 pvr2_hdw_setup_low drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2155 [inline]
 pvr2_hdw_setup drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2261 [inline]
 pvr2_hdw_initialize+0xe18/0x3ac0 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x487/0xaf0 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>