Extracting prog: 29.748814183s Minimizing prog: 2m0.29862041s Simplifying prog options: 0s Extracting C: 13.941994504s Simplifying C: 2m7.49435602s 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 did not crash testing compiled C 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: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:true 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 crashed: panic: runtime error: invalid memory address or nil pointer dereference testing compiled C program (duration=30s, {Threaded:true Repeat:true 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: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:true 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:false HandleSegv:false 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:true 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:false Swap:false UseTmpDir:false HandleSegv:false 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 reproducing took 4m51.483806366s repro crashed as (corrupted=false): panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xf45405] goroutine 386 gp=0xc00048b880 m=25 mp=0xc000e00008 [running]: panic({0x1b67d00?, 0x2b48150?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a44ce8 sp=0xc000a44c38 pc=0x478628 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=0xc000a44d48 sp=0xc000a44ce8 pc=0x47adf9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000134980) pkg/sentry/kernel/task_signals.go:385 +0x45 fp=0xc000a44de0 sp=0xc000a44d48 pc=0xf45405 gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc0009b2bb0, 0xc0009b2b70?) pkg/sentry/kernel/task_acct.go:151 +0xca fp=0xc000a44e10 sp=0xc000a44de0 pc=0xf134ea gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc0009b2b70, {0x0?, {0x0?}, 0x1f70580?}, 0x0) pkg/sentry/ktime/synthetic_timer.go:139 +0x2c5 fp=0xc000a44ee8 sp=0xc000a44e10 pc=0xb18565 gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc0009b2408, 0x0) pkg/sentry/kernel/task_acct.go:103 +0x179 fp=0xc000a44f78 sp=0xc000a44ee8 pc=0xf13019 gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000287008, 0xc0005c4540, 0xc0006ee1c0, 0x0, 0xc0006ee1d0) pkg/sentry/kernel/thread_group.go:308 +0x75f fp=0xc000a44fe0 sp=0xc000a44f78 pc=0xf5a13f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0007de588, 0xc000a45598) pkg/sentry/kernel/task_clone.go:238 +0x2565 fp=0xc000a45578 sp=0xc000a44fe0 pc=0xf1b5e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc0007de588, 0x24204400, 0x40, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_thread.go:215 +0x125 fp=0xc000a45668 sp=0xc000a45578 pc=0x12164e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc0007de588, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e fp=0xc000a456c8 sp=0xc000a45668 pc=0x11a636e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc000a45960 sp=0xc000a456c8 pc=0xf51d35 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc000a45a08 sp=0xc000a45960 pc=0xf53b92 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000a45a78 sp=0xc000a45a08 pc=0xf53594 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007de588) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc000a45b98 sp=0xc000a45a78 pc=0xf53130 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0007de588?, 0xc0007de588) pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc000a45e70 sp=0xc000a45b98 pc=0xf3f24e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007de588, 0x32) pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc000a45fb0 sp=0xc000a45e70 pc=0xf3c8bb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000a45fe0 sp=0xc000a45fb0 pc=0xf4fb05 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a45fe8 sp=0xc000a45fe0 pc=0x4819a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 321 pkg/sentry/kernel/task_start.go:400 +0x165 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=0xf45405] goroutine 386 gp=0xc00048b880 m=25 mp=0xc000e00008 [running]: panic({0x1b67d00?, 0x2b48150?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a44ce8 sp=0xc000a44c38 pc=0x478628 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=0xc000a44d48 sp=0xc000a44ce8 pc=0x47adf9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000134980) pkg/sentry/kernel/task_signals.go:385 +0x45 fp=0xc000a44de0 sp=0xc000a44d48 pc=0xf45405 gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc0009b2bb0, 0xc0009b2b70?) pkg/sentry/kernel/task_acct.go:151 +0xca fp=0xc000a44e10 sp=0xc000a44de0 pc=0xf134ea gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc0009b2b70, {0x0?, {0x0?}, 0x1f70580?}, 0x0) pkg/sentry/ktime/synthetic_timer.go:139 +0x2c5 fp=0xc000a44ee8 sp=0xc000a44e10 pc=0xb18565 gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc0009b2408, 0x0) pkg/sentry/kernel/task_acct.go:103 +0x179 fp=0xc000a44f78 sp=0xc000a44ee8 pc=0xf13019 gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000287008, 0xc0005c4540, 0xc0006ee1c0, 0x0, 0xc0006ee1d0) pkg/sentry/kernel/thread_group.go:308 +0x75f fp=0xc000a44fe0 sp=0xc000a44f78 pc=0xf5a13f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0007de588, 0xc000a45598) pkg/sentry/kernel/task_clone.go:238 +0x2565 fp=0xc000a45578 sp=0xc000a44fe0 pc=0xf1b5e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc0007de588, 0x24204400, 0x40, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_thread.go:215 +0x125 fp=0xc000a45668 sp=0xc000a45578 pc=0x12164e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc0007de588, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e fp=0xc000a456c8 sp=0xc000a45668 pc=0x11a636e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc000a45960 sp=0xc000a456c8 pc=0xf51d35 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc000a45a08 sp=0xc000a45960 pc=0xf53b92 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000a45a78 sp=0xc000a45a08 pc=0xf53594 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007de588) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc000a45b98 sp=0xc000a45a78 pc=0xf53130 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0007de588?, 0xc0007de588) pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc000a45e70 sp=0xc000a45b98 pc=0xf3f24e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007de588, 0x32) pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc000a45fb0 sp=0xc000a45e70 pc=0xf3c8bb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000a45fe0 sp=0xc000a45fb0 pc=0xf4fb05 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a45fe8 sp=0xc000a45fe0 pc=0x4819a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 321 pkg/sentry/kernel/task_start.go:400 +0x165