Extracting prog: 7m20.530672921s Minimizing prog: 1h10m14.901640103s Simplifying prog options: 13m53.883216772s Extracting C: 5m15.279373545s 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: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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) 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: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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program crashed: WARNING in page_counter_uncharge single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) (async) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000380), 0x12) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r0, &(0x7f0000000380), 0x12) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program crashed: WARNING in page_counter_uncharge testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, 0x0, 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, 0x0, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program crashed: WARNING in page_counter_uncharge validation run: crashed=true testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program crashed: lost connection to test machine validation run: crashed=true testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash validation run: crashed=false testing program (duration=6m48.423278238s, {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}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mmap detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000380), 0x12) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x0) program did not crash validation run: crashed=false reproducing took 2h36m7.014703111s repro crashed as (corrupted=false): final repro crashed as (corrupted=false):