Extracting prog: 2m45.329896185s Minimizing prog: 12m35.25350562s Simplifying prog options: 6m15.468222542s Extracting C: 1m3.759384817s 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}}): perf_event_open-perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x8, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: WARNING in __perf_event_overflow single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=51.094339054s, {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}}): perf_event_open-perf_event_open-socketpair$unix-recvmsg$unix detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x8, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-perf_event_open-socketpair$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x8, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-perf_event_open-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x8, 0xffffffffffffffff, 0x0) recvmsg$unix(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: WARNING in __perf_event_overflow testing program (duration=51.094339054s, {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}}): socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, 0x0) recvmsg$unix(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, 0x0, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone program did not crash simplifying guilty program options testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: WARNING in __perf_event_overflow extracting C reproducer testing compiled C program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone program did not crash testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: WARNING in __perf_event_overflow validation run: crashed=true testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: WARNING in __perf_event_overflow validation run: crashed=true testing program (duration=51.094339054s, {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}}): perf_event_open-socketpair$unix-recvmsg$unix-syz_clone detailed listing: executing program 0: perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x480283, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={0xffffffffffffffff}) recvmsg$unix(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) syz_clone(0x9900000, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: WARNING in __perf_event_overflow validation run: crashed=true reproducing took 28m12.66922252s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6032 at kernel/events/core.c:10349 __perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10349 Modules linked in: CPU: 1 UID: 0 PID: 6032 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10349 Code: 89 3e 4c 8b 3c 24 e9 c3 fc ff ff e8 31 71 d0 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 28 e9 06 fe ff ff e8 18 71 d0 ff 90 <0f> 0b 90 e9 1b ff ff ff e8 0a 71 d0 ff 48 c7 c7 e0 e4 93 8b e8 2e RSP: 0018:ffffc9000390f3c0 EFLAGS: 00010293 RAX: ffffffff81ef3b38 RBX: ffff8880284d8000 RCX: ffff888031a45a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000390f4d0 R08: ffff8880284d824f R09: 1ffff1100509b049 R10: dffffc0000000000 R11: ffffed100509b04a R12: ffffc9000390f968 R13: dffffc0000000000 R14: ffff8880284d8248 R15: 0000000000000000 FS: 00007fccdfa046c0(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000001f0 CR3: 0000000021f08000 CR4: 00000000003526f0 Call Trace: perf_swevent_overflow kernel/events/core.c:10447 [inline] perf_swevent_event+0x2f4/0x5e0 kernel/events/core.c:-1 do_perf_sw_event kernel/events/core.c:10587 [inline] ___perf_sw_event+0x4a1/0x700 kernel/events/core.c:10614 __perf_sw_event+0xfa/0x1a0 kernel/events/core.c:10626 perf_sw_event include/linux/perf_event.h:1596 [inline] do_user_addr_fault+0x12e4/0x1390 arch/x86/mm/fault.c:1283 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:__put_user_nocheck_4+0x3/0x10 arch/x86/lib/putuser.S:104 Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 cb <89> 01 31 c9 0f 01 ca e9 c1 44 03 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000390fa18 EFLAGS: 00050246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00002000000001f0 RDX: ffff888031a45a00 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: ffffc9000390fb90 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6 R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 00002000000001c0 ____sys_recvmsg+0x2ab/0x460 net/socket.c:2847 ___sys_recvmsg+0x1b5/0x510 net/socket.c:2876 __sys_recvmsg net/socket.c:2909 [inline] __do_sys_recvmsg net/socket.c:2915 [inline] __se_sys_recvmsg net/socket.c:2912 [inline] __x64_sys_recvmsg+0x198/0x260 net/socket.c:2912 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fccdeb8ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fccdfa04038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007fccdedc5fa0 RCX: 00007fccdeb8ebe9 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000004 RBP: 00007fccdec11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fccdedc6038 R14: 00007fccdedc5fa0 R15: 00007ffe6a081f38 ---------------- Code disassembly (best guess): 0: d9 0f (bad) (%rdi) 2: 01 cb add %ecx,%ebx 4: 89 01 mov %eax,(%rcx) 6: 31 c9 xor %ecx,%ecx 8: 0f 01 ca clac b: c3 ret c: cc int3 d: cc int3 e: cc int3 f: cc int3 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 0f 01 cb stac * 2a: 89 01 mov %eax,(%rcx) <-- trapping instruction 2c: 31 c9 xor %ecx,%ecx 2e: 0f 01 ca clac 31: e9 c1 44 03 00 jmp 0x344f7 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6032 at kernel/events/core.c:10349 __perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10349 Modules linked in: CPU: 1 UID: 0 PID: 6032 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10349 Code: 89 3e 4c 8b 3c 24 e9 c3 fc ff ff e8 31 71 d0 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 28 e9 06 fe ff ff e8 18 71 d0 ff 90 <0f> 0b 90 e9 1b ff ff ff e8 0a 71 d0 ff 48 c7 c7 e0 e4 93 8b e8 2e RSP: 0018:ffffc9000390f3c0 EFLAGS: 00010293 RAX: ffffffff81ef3b38 RBX: ffff8880284d8000 RCX: ffff888031a45a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000390f4d0 R08: ffff8880284d824f R09: 1ffff1100509b049 R10: dffffc0000000000 R11: ffffed100509b04a R12: ffffc9000390f968 R13: dffffc0000000000 R14: ffff8880284d8248 R15: 0000000000000000 FS: 00007fccdfa046c0(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000001f0 CR3: 0000000021f08000 CR4: 00000000003526f0 Call Trace: perf_swevent_overflow kernel/events/core.c:10447 [inline] perf_swevent_event+0x2f4/0x5e0 kernel/events/core.c:-1 do_perf_sw_event kernel/events/core.c:10587 [inline] ___perf_sw_event+0x4a1/0x700 kernel/events/core.c:10614 __perf_sw_event+0xfa/0x1a0 kernel/events/core.c:10626 perf_sw_event include/linux/perf_event.h:1596 [inline] do_user_addr_fault+0x12e4/0x1390 arch/x86/mm/fault.c:1283 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:__put_user_nocheck_4+0x3/0x10 arch/x86/lib/putuser.S:104 Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 cb <89> 01 31 c9 0f 01 ca e9 c1 44 03 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000390fa18 EFLAGS: 00050246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00002000000001f0 RDX: ffff888031a45a00 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: ffffc9000390fb90 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6 R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 00002000000001c0 ____sys_recvmsg+0x2ab/0x460 net/socket.c:2847 ___sys_recvmsg+0x1b5/0x510 net/socket.c:2876 __sys_recvmsg net/socket.c:2909 [inline] __do_sys_recvmsg net/socket.c:2915 [inline] __se_sys_recvmsg net/socket.c:2912 [inline] __x64_sys_recvmsg+0x198/0x260 net/socket.c:2912 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fccdeb8ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fccdfa04038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007fccdedc5fa0 RCX: 00007fccdeb8ebe9 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000004 RBP: 00007fccdec11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fccdedc6038 R14: 00007fccdedc5fa0 R15: 00007ffe6a081f38 ---------------- Code disassembly (best guess): 0: d9 0f (bad) (%rdi) 2: 01 cb add %ecx,%ebx 4: 89 01 mov %eax,(%rcx) 6: 31 c9 xor %ecx,%ecx 8: 0f 01 ca clac b: c3 ret c: cc int3 d: cc int3 e: cc int3 f: cc int3 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 0f 01 cb stac * 2a: 89 01 mov %eax,(%rcx) <-- trapping instruction 2c: 31 c9 xor %ecx,%ecx 2e: 0f 01 ca clac 31: e9 c1 44 03 00 jmp 0x344f7 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop