Extracting prog: 35.136457168s
Minimizing prog: 20m52.234499356s
Simplifying prog options: 0s
Extracting C: 34.300389315s
Simplifying C: 12m52.114099481s


extracting reproducer from 37 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat$proc_mixer-write$proc_mixer-syz_open_dev$video-syz_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x1, 0x0)
write$proc_mixer(r0, 0x0, 0x33)
syz_open_dev$video(0x0, 0x0, 0x10b200)
r1 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r1, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat$proc_mixer-write$proc_mixer-syz_open_dev$video-syz_open_dev$dvb_demux
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x1, 0x0)
write$proc_mixer(r0, 0x0, 0x33)
syz_open_dev$video(0x0, 0x0, 0x10b200)
syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)

program did not crash
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat$proc_mixer-write$proc_mixer-syz_open_dev$video-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x1, 0x0)
write$proc_mixer(r0, 0x0, 0x33)
syz_open_dev$video(0x0, 0x0, 0x10b200)
ioctl$DVB_DEMUX_DMX_SET_FILTER(0xffffffffffffffff, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program did not crash
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat$proc_mixer-write$proc_mixer-syz_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x1, 0x0)
write$proc_mixer(r0, 0x0, 0x33)
r1 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r1, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat$proc_mixer-syz_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x1, 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program did not crash
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program did not crash
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program did not crash
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(0x0, 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program did not crash
testing program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.192782814s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
simplifying C reproducer
testing compiled C program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
testing compiled C program (duration=45.192782814s, {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-syz_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program did not crash
testing compiled C program (duration=45.192782814s, {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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program did not crash
testing compiled C program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
testing compiled C program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
testing compiled C program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
testing compiled C program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
testing compiled C program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
program crashed: WARNING in as102_dvb_dmx_start_feed
testing program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
validation run: crashed=true
testing program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
validation run: crashed=true
testing program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program did not crash
validation run: crashed=false
testing program (duration=45.192782814s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000cc1ef420890b070064ef000000010902120001000000000904"], 0x0)
r0 = syz_open_dev$dvb_demux(&(0x7f00000002c0), 0x1, 0x0)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r0, 0x403c6f2b, &(0x7f0000000200)={0x7, {"9db867d09ed91aa9c5c29f2f1e4be6bf", "cc6c2d12e0353c0e42899a29fdefe3bc", "9defe9f49655f386b84e6bb715dac54f"}, 0x445, 0x7})

program crashed: WARNING in as102_dvb_dmx_start_feed
validation run: crashed=true
reproducing took 42m22.97995019s
repro crashed as (corrupted=false):
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 4409 at kernel/locking/mutex.c:575 __mutex_lock_common+0x195d/0x2400 kernel/locking/mutex.c:-1
Modules linked in:
CPU: 1 PID: 4409 Comm: syz.0.60 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__mutex_lock_common+0x195d/0x2400 kernel/locking/mutex.c:575
Code: 00 48 8d bc 24 e0 00 00 00 0f 85 e3 e7 ff ff 48 c7 c7 80 16 2b 8a 48 c7 c6 c0 16 2b 8a e8 6b 83 ec ff 48 8d bc 24 e0 00 00 00 <0f> 0b e9 c1 e7 ff ff e8 17 87 3b f7 e9 00 fc ff ff 0f 0b e9 40 f0
RSP: 0018:ffffc90002577a60 EFLAGS: 00010246
RAX: b7e3c2c91c34a900 RBX: dffffc0000000000 RCX: ffff888027c69dc0
RDX: 0000000000000000 RSI: 0000000080000000 RDI: ffffc90002577b40
RBP: ffffc90002577be8 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: 0000000000000000
R13: 1ffff920004aef64 R14: ffffffff86ce1d0c R15: 0000000000000000
FS:  000055557325b500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30d63fff CR3: 0000000059978000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_interruptible_nested+0x17/0x20 kernel/locking/mutex.c:765
 as102_dvb_dmx_start_feed+0x6c/0x280 drivers/media/usb/as102/as102_drv.c:139
 dmx_section_feed_start_filtering+0x4f1/0x690 drivers/media/dvb-core/dvb_demux.c:983
 dvb_dmxdev_filter_start+0xc87/0x1090 drivers/media/dvb-core/dmxdev.c:766
 dvb_demux_do_ioctl+0x463/0x530 drivers/media/dvb-core/dmxdev.c:1077
 dvb_usercopy+0x191/0x2b0 drivers/media/dvb-core/dvbdev.c:1017
 dvb_demux_ioctl+0x25/0x30 drivers/media/dvb-core/dmxdev.c:1195
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4b53dfd799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff87402f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4b54076fa0 RCX: 00007f4b53dfd799
RDX: 0000200000000200 RSI: 00000000403c6f2b RDI: 0000000000000004
RBP: 00007f4b53e93c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4b54076fac R14: 00007f4b54076fa0 R15: 00007f4b54076fa0
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 4409 at kernel/locking/mutex.c:575 __mutex_lock_common+0x195d/0x2400 kernel/locking/mutex.c:-1
Modules linked in:
CPU: 1 PID: 4409 Comm: syz.0.60 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__mutex_lock_common+0x195d/0x2400 kernel/locking/mutex.c:575
Code: 00 48 8d bc 24 e0 00 00 00 0f 85 e3 e7 ff ff 48 c7 c7 80 16 2b 8a 48 c7 c6 c0 16 2b 8a e8 6b 83 ec ff 48 8d bc 24 e0 00 00 00 <0f> 0b e9 c1 e7 ff ff e8 17 87 3b f7 e9 00 fc ff ff 0f 0b e9 40 f0
RSP: 0018:ffffc90002577a60 EFLAGS: 00010246
RAX: b7e3c2c91c34a900 RBX: dffffc0000000000 RCX: ffff888027c69dc0
RDX: 0000000000000000 RSI: 0000000080000000 RDI: ffffc90002577b40
RBP: ffffc90002577be8 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: 0000000000000000
R13: 1ffff920004aef64 R14: ffffffff86ce1d0c R15: 0000000000000000
FS:  000055557325b500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30d63fff CR3: 0000000059978000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_interruptible_nested+0x17/0x20 kernel/locking/mutex.c:765
 as102_dvb_dmx_start_feed+0x6c/0x280 drivers/media/usb/as102/as102_drv.c:139
 dmx_section_feed_start_filtering+0x4f1/0x690 drivers/media/dvb-core/dvb_demux.c:983
 dvb_dmxdev_filter_start+0xc87/0x1090 drivers/media/dvb-core/dmxdev.c:766
 dvb_demux_do_ioctl+0x463/0x530 drivers/media/dvb-core/dmxdev.c:1077
 dvb_usercopy+0x191/0x2b0 drivers/media/dvb-core/dvbdev.c:1017
 dvb_demux_ioctl+0x25/0x30 drivers/media/dvb-core/dmxdev.c:1195
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4b53dfd799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff87402f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4b54076fa0 RCX: 00007f4b53dfd799
RDX: 0000200000000200 RSI: 00000000403c6f2b RDI: 0000000000000004
RBP: 00007f4b53e93c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4b54076fac R14: 00007f4b54076fa0 R15: 00007f4b54076fa0
 </TASK>