Extracting prog: 23.664868408s
Minimizing prog: 1m30.248658663s
Simplifying prog options: 1m10.557762469s
Extracting C: 11.67706302s
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: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}}): setrlimit-syz_clone
detailed listing:
executing program 0:
setrlimit(0x0, &(0x7f0000000980)={0x0, 0x62})
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

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: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}}): setrlimit
detailed listing:
executing program 0:
setrlimit(0x0, &(0x7f0000000980)={0x0, 0x62})

program did not crash
testing 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
detailed listing:
executing program 0:
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing 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}}): setrlimit-syz_clone
detailed listing:
executing program 0:
setrlimit(0x0, 0x0)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
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}}): setrlimit-syz_clone
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false 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}}): setrlimit-syz_clone
detailed listing:
executing program 0:
setrlimit(0x0, &(0x7f0000000980)={0x0, 0x62})
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:false 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}}): setrlimit-syz_clone
program did not crash
testing program (duration=30s, {Threaded:false 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}}): setrlimit-syz_clone
detailed listing:
executing program 0:
setrlimit(0x0, &(0x7f0000000980)={0x0, 0x62})
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:false 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}}): setrlimit-syz_clone
program did not crash
reproducing took 3m36.322265445s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xb16cd8]

goroutine 379 gp=0xc000d0c8c0 m=22 mp=0xc0009d0008 [running]:
panic({0x12ad7a0?, 0x236f6b0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00123d390 sp=0xc00123d2e0 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=0xc00123d3f0 sp=0xc00123d390 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001382280)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0xc00123d450 sp=0xc00123d3f0 pc=0xb16cd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1000080b678?, 0xc001aa1370?)
	pkg/sentry/kernel/task_acct.go:151 +0x57 fp=0xc00123d478 sp=0xc00123d450 pc=0xaf6977
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc001aa1370, {0x0?, {0x85aa38?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x256 fp=0xc00123d518 sp=0xc00123d478 pc=0x85c836
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc001aa0c08, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x145 fp=0xc00123d590 sp=0xc00123d518 pc=0xaf6685
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc0001ab008, 0xc0001de380, 0xc000e1c140, 0x0, 0xc000e1c160)
	pkg/sentry/kernel/thread_group.go:308 +0x3ac fp=0xc00123d5d0 sp=0xc00123d590 pc=0xb23a0c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000c54588, 0xc00123d978)
	pkg/sentry/kernel/task_clone.go:238 +0x143b fp=0xc00123d968 sp=0xc00123d5d0 pc=0xafc47b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x0?, 0xc001a98200?, 0x5623d6a12fa8?, 0xf4240?, 0x5623d6a12fa0?, 0xc001a981f0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00123da38 sp=0xc00123d968 pc=0xcfdbdd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000c54588?, 0xc00123d8f8?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x68 fp=0xc00123da78 sp=0xc00123da38 pc=0xcbdc28
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000c54588, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc00123dca8 sp=0xc00123da78 pc=0xb1e2ab
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000c54588, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc00123dd00 sp=0xc00123dca8 pc=0xb1f84e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000c54588, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc00123dd50 sp=0xc00123dd00 pc=0xb1f3fd
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001a91080?)
	pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc00123de28 sp=0xc00123dd50 pc=0xb1f0e9
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000d042d0?, 0xc000c54588)
	pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc00123df38 sp=0xc00123de28 pc=0xb12945
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c54588, 0x4f)
	pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc00123dfc0 sp=0xc00123df38 pc=0xb10f5d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00123dfe0 sp=0xc00123dfc0 pc=0xb1c825
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00123dfe8 sp=0xc00123dfe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 833
	pkg/sentry/kernel/task_start.go:400 +0xd9

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=0xb16cd8]

goroutine 379 gp=0xc000d0c8c0 m=22 mp=0xc0009d0008 [running]:
panic({0x12ad7a0?, 0x236f6b0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00123d390 sp=0xc00123d2e0 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=0xc00123d3f0 sp=0xc00123d390 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001382280)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0xc00123d450 sp=0xc00123d3f0 pc=0xb16cd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1000080b678?, 0xc001aa1370?)
	pkg/sentry/kernel/task_acct.go:151 +0x57 fp=0xc00123d478 sp=0xc00123d450 pc=0xaf6977
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc001aa1370, {0x0?, {0x85aa38?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x256 fp=0xc00123d518 sp=0xc00123d478 pc=0x85c836
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc001aa0c08, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x145 fp=0xc00123d590 sp=0xc00123d518 pc=0xaf6685
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc0001ab008, 0xc0001de380, 0xc000e1c140, 0x0, 0xc000e1c160)
	pkg/sentry/kernel/thread_group.go:308 +0x3ac fp=0xc00123d5d0 sp=0xc00123d590 pc=0xb23a0c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000c54588, 0xc00123d978)
	pkg/sentry/kernel/task_clone.go:238 +0x143b fp=0xc00123d968 sp=0xc00123d5d0 pc=0xafc47b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x0?, 0xc001a98200?, 0x5623d6a12fa8?, 0xf4240?, 0x5623d6a12fa0?, 0xc001a981f0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00123da38 sp=0xc00123d968 pc=0xcfdbdd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000c54588?, 0xc00123d8f8?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x68 fp=0xc00123da78 sp=0xc00123da38 pc=0xcbdc28
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000c54588, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc00123dca8 sp=0xc00123da78 pc=0xb1e2ab
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000c54588, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc00123dd00 sp=0xc00123dca8 pc=0xb1f84e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000c54588, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc00123dd50 sp=0xc00123dd00 pc=0xb1f3fd
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001a91080?)
	pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc00123de28 sp=0xc00123dd50 pc=0xb1f0e9
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000d042d0?, 0xc000c54588)
	pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc00123df38 sp=0xc00123de28 pc=0xb12945
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c54588, 0x4f)
	pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc00123dfc0 sp=0xc00123df38 pc=0xb10f5d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00123dfe0 sp=0xc00123dfc0 pc=0xb1c825
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00123dfe8 sp=0xc00123dfe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 833
	pkg/sentry/kernel/task_start.go:400 +0xd9