Extracting prog: 1m32.724959247s
Minimizing prog: 3m47.292912126s
Simplifying prog options: 2m52.054200342s
Extracting C: 1m48.08902879s
Simplifying C: 0s


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:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

minimization failed with failed to copy syz-executor to VM: scp failed: failed to run ["scp" "-P" "14055" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/syzkaller/syzkaller/current/bin/linux_amd64/syz-executor" "root@localhost:/syz-executor"]: exit status 1
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program did not crash
testing program (duration=30s, {Threaded:true 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program did not crash
testing program (duration=30s, {Threaded:true 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program crashed: lost connection to test machine
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program crashed: lost connection to test machine
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-sendfile-socket$nl_generic-sendmsg$nl_generic-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-lseek-readv-openat-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000480)='cgroup.threads\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x4)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000007c0)={0x14, 0x2f, 0x9, 0x70bd2a, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x84)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6}]})
lseek(r1, 0x4, 0x0)
readv(r1, &(0x7f0000000340)=[{&(0x7f0000001740)=""/153, 0x99}], 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x2)

program crashed: lost connection to test machine
validation run: crashed=true
reproducing took 17m26.807998295s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):