Extracting prog: 21.446261855s Minimizing prog: 2m0.272851911s Simplifying prog options: 0s Extracting C: 11.655672491s Simplifying C: 2m21.499468219s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit detailed listing: executing program 0: syz_clone(0x24204400, 0x0, 0x42, 0x0, 0x0, 0x0) (async) setrlimit(0x0, &(0x7f0000000240)={0x0, 0x9}) program crashed: panic: runtime error: invalid memory address or nil pointer dereference single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone detailed listing: executing program 0: syz_clone(0x24204400, 0x0, 0x42, 0x0, 0x0, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setrlimit detailed listing: executing program 0: setrlimit(0x0, &(0x7f0000000240)={0x0, 0x9}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit detailed listing: executing program 0: syz_clone(0x24204400, 0x0, 0x42, 0x0, 0x0, 0x0) setrlimit(0x0, &(0x7f0000000240)={0x0, 0x9}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit detailed listing: executing program 0: syz_clone(0x24204400, 0x0, 0x42, 0x0, 0x0, 0x0) (async) setrlimit(0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program crashed: panic: runtime error: invalid memory address or nil pointer dereference simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program crashed: panic: runtime error: invalid memory address or nil pointer dereference testing compiled C program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C 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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C 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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program crashed: panic: runtime error: invalid memory address or nil pointer dereference testing compiled C 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash testing compiled C 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-setrlimit program did not crash reproducing took 4m54.874277876s repro crashed as (corrupted=false): panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xa714ee] goroutine 290 gp=0xc001189dc0 m=9 mp=0xc0003f4708 [running]: panic({0x1192560?, 0x2072ac0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00084d3a8 sp=0xc00084d2f8 pc=0x473fe8 runtime.panicmem(...) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262 runtime.sigpanic() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc00084d408 sp=0xc00084d3a8 pc=0x476719 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000198380) pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc00084d468 sp=0xc00084d408 pc=0xa714ee gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc00025df70?) pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc00084d490 sp=0xc00084d468 pc=0xa55a85 gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc00025df70, {0x0?, {0x1?}, 0x0?}, 0x0) pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc00084d530 sp=0xc00084d490 pc=0x812744 gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc00025d808, 0x0) pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc00084d598 sp=0xc00084d530 pc=0xa557ae gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000209008, 0xc00030e000, 0xc000040190, 0x0, 0xc0000401a0) pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc00084d5d8 sp=0xc00084d598 pc=0xa7bd50 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000335908, 0xc00084d978) pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc00084d968 sp=0xc00084d5d8 pc=0xa5ab65 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x3?, 0x3bfb8000?, 0x7f390eb21000?, 0x0?, 0x2?, 0x7fcb87f38000?) pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00084da38 sp=0xc00084d968 pc=0xc2ecfd gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x1?, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc00084da78 sp=0xc00084da38 pc=0xbe7c6c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000335908, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00084dca8 sp=0xc00084da78 pc=0xa77857 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000335908, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00084dd00 sp=0xc00084dca8 pc=0xa789c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000335908, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00084dd50 sp=0xc00084dd00 pc=0xa786c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000ac8580?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00084de28 sp=0xc00084dd50 pc=0xa78445 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0001b6d80?, 0xc000335908) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00084df30 sp=0xc00084de28 pc=0xa6dd57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000335908, 0xa) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00084dfc0 sp=0xc00084df30 pc=0xa6c7b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00084dfe0 sp=0xc00084dfc0 pc=0xa76265 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00084dfe8 sp=0xc00084dfe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 268 pkg/sentry/kernel/task_start.go:400 +0xc5 final repro crashed as (corrupted=false): panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xa714ee] goroutine 290 gp=0xc001189dc0 m=9 mp=0xc0003f4708 [running]: panic({0x1192560?, 0x2072ac0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00084d3a8 sp=0xc00084d2f8 pc=0x473fe8 runtime.panicmem(...) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262 runtime.sigpanic() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc00084d408 sp=0xc00084d3a8 pc=0x476719 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000198380) pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc00084d468 sp=0xc00084d408 pc=0xa714ee gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc00025df70?) pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc00084d490 sp=0xc00084d468 pc=0xa55a85 gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc00025df70, {0x0?, {0x1?}, 0x0?}, 0x0) pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc00084d530 sp=0xc00084d490 pc=0x812744 gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc00025d808, 0x0) pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc00084d598 sp=0xc00084d530 pc=0xa557ae gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000209008, 0xc00030e000, 0xc000040190, 0x0, 0xc0000401a0) pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc00084d5d8 sp=0xc00084d598 pc=0xa7bd50 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000335908, 0xc00084d978) pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc00084d968 sp=0xc00084d5d8 pc=0xa5ab65 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x3?, 0x3bfb8000?, 0x7f390eb21000?, 0x0?, 0x2?, 0x7fcb87f38000?) pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00084da38 sp=0xc00084d968 pc=0xc2ecfd gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x1?, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc00084da78 sp=0xc00084da38 pc=0xbe7c6c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000335908, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00084dca8 sp=0xc00084da78 pc=0xa77857 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000335908, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00084dd00 sp=0xc00084dca8 pc=0xa789c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000335908, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x55fe9d3df3e8}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00084dd50 sp=0xc00084dd00 pc=0xa786c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000ac8580?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00084de28 sp=0xc00084dd50 pc=0xa78445 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0001b6d80?, 0xc000335908) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00084df30 sp=0xc00084de28 pc=0xa6dd57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000335908, 0xa) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00084dfc0 sp=0xc00084df30 pc=0xa6c7b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00084dfe0 sp=0xc00084dfc0 pc=0xa76265 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00084dfe8 sp=0xc00084dfe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 268 pkg/sentry/kernel/task_start.go:400 +0xc5