Extracting prog: 22.98249829s
Minimizing prog: 2m0.270806431s
Simplifying prog options: 0s
Extracting C: 13.396854023s
Simplifying C: 1m54.516496723s


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 4m31.166672908s
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 1555 gp=0xc000701c00 m=29 mp=0xc001400008 [running]:
panic({0x1192560?, 0x2072ac0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00095d3a8 sp=0xc00095d2f8 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=0xc00095d408 sp=0xc00095d3a8 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001427d80)
	pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc00095d468 sp=0xc00095d408 pc=0xa714ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc001536f70?)
	pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc00095d490 sp=0xc00095d468 pc=0xa55a85
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc001536f70, {0x0?, {0x1?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc00095d530 sp=0xc00095d490 pc=0x812744
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc001536808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc00095d598 sp=0xc00095d530 pc=0xa557ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc0002e1008, 0xc001422d20, 0xc000462610, 0x0, 0xc000462620)
	pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc00095d5d8 sp=0xc00095d598 pc=0xa7bd50
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0011fa588, 0xc00095d978)
	pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc00095d968 sp=0xc00095d5d8 pc=0xa5ab65
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x300000002?, 0xc000d56ab0?, 0x474a0e?, 0xc000701c00?, 0x200000003?, 0x0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00095da38 sp=0xc00095d968 pc=0xc2ecfd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000d56b10?, 0xc000d56b10?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc00095da78 sp=0xc00095da38 pc=0xbe7c6c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0011fa588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00095dca8 sp=0xc00095da78 pc=0xa77857
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0011fa588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00095dd00 sp=0xc00095dca8 pc=0xa789c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0011fa588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00095dd50 sp=0xc00095dd00 pc=0xa786c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006f0a90?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00095de28 sp=0xc00095dd50 pc=0xa78445
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0010c3b00?, 0xc0011fa588)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00095df30 sp=0xc00095de28 pc=0xa6dd57
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0011fa588, 0x1a5)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00095dfc0 sp=0xc00095df30 pc=0xa6c7b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00095dfe0 sp=0xc00095dfc0 pc=0xa76265
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00095dfe8 sp=0xc00095dfe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1552
	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 1555 gp=0xc000701c00 m=29 mp=0xc001400008 [running]:
panic({0x1192560?, 0x2072ac0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00095d3a8 sp=0xc00095d2f8 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=0xc00095d408 sp=0xc00095d3a8 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001427d80)
	pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc00095d468 sp=0xc00095d408 pc=0xa714ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc001536f70?)
	pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc00095d490 sp=0xc00095d468 pc=0xa55a85
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc001536f70, {0x0?, {0x1?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc00095d530 sp=0xc00095d490 pc=0x812744
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc001536808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc00095d598 sp=0xc00095d530 pc=0xa557ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc0002e1008, 0xc001422d20, 0xc000462610, 0x0, 0xc000462620)
	pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc00095d5d8 sp=0xc00095d598 pc=0xa7bd50
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0011fa588, 0xc00095d978)
	pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc00095d968 sp=0xc00095d5d8 pc=0xa5ab65
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x300000002?, 0xc000d56ab0?, 0x474a0e?, 0xc000701c00?, 0x200000003?, 0x0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00095da38 sp=0xc00095d968 pc=0xc2ecfd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000d56b10?, 0xc000d56b10?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc00095da78 sp=0xc00095da38 pc=0xbe7c6c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0011fa588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00095dca8 sp=0xc00095da78 pc=0xa77857
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0011fa588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00095dd00 sp=0xc00095dca8 pc=0xa789c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0011fa588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7eff015b76c0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00095dd50 sp=0xc00095dd00 pc=0xa786c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006f0a90?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00095de28 sp=0xc00095dd50 pc=0xa78445
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0010c3b00?, 0xc0011fa588)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00095df30 sp=0xc00095de28 pc=0xa6dd57
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0011fa588, 0x1a5)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00095dfc0 sp=0xc00095df30 pc=0xa6c7b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00095dfe0 sp=0xc00095dfc0 pc=0xa76265
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00095dfe8 sp=0xc00095dfe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1552
	pkg/sentry/kernel/task_start.go:400 +0xc5