Extracting prog: 56.068514513s
Minimizing prog: 2m46.932484868s
Simplifying prog options: 2m45.844487709s
Extracting C: 32.447729183s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 45s
testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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, &(0x7f0000000240)={0x0, 0x9})
syz_clone(0x58e0000, 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=55.581336231s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=55.581336231s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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(0x58e0000, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=55.581336231s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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(0x58e0000, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=55.581336231s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=55.581336231s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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, &(0x7f0000000240)={0x0, 0x9})
syz_clone(0x58e0000, 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=55.581336231s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=55.581336231s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:10 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}}): setrlimit-syz_clone
detailed listing:
executing program 0:
setrlimit(0x0, &(0x7f0000000240)={0x0, 0x9})
syz_clone(0x58e0000, 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=55.581336231s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:10 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}}): setrlimit-syz_clone
program did not crash
reproducing took 7m43.588658071s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xfe74d3]

goroutine 313 gp=0xc000e05dc0 m=10 mp=0xc000465508 [running]:
panic({0x1c598a0?, 0x2c2cca0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000e76d60 sp=0xc000e76cb0 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=0xc000e76dc0 sp=0xc000e76d60 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000e82b00)
	pkg/sentry/kernel/task_signals.go:385 +0x53 fp=0xc000e76e50 sp=0xc000e76dc0 pc=0xfe74d3
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc000879bb0, 0xc000879b70?)
	pkg/sentry/kernel/task_acct.go:151 +0xea fp=0xc000e76e80 sp=0xc000e76e50 pc=0xfb2a2a
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc000879b70, {0x0?, {0x0?}, 0xc000e31c70?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x342 fp=0xc000e76f58 sp=0xc000e76e80 pc=0xb71562
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc000879408, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x18a fp=0xc000e77000 sp=0xc000e76f58 pc=0xfb250a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000247008, 0xc000fd93b0, 0xc00130c8f0, 0x0, 0xc00130c910)
	pkg/sentry/kernel/thread_group.go:308 +0x709 fp=0xc000e77078 sp=0xc000e77000 pc=0xffdd49
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000f81908, 0xc000e775a0)
	pkg/sentry/kernel/task_clone.go:238 +0x217a fp=0xc000e77580 sp=0xc000e77078 pc=0xfbb5ba
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc000f81908, 0x58e0000, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x130 fp=0xc000e77670 sp=0xc000e77580 pc=0x12c7050
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000f81908, 0x0?, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0xef fp=0xc000e776e8 sp=0xc000e77670 pc=0x126332f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000f81908, 0x38, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc000e77998 sp=0xc000e776e8 pc=0xff463f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000f81908, 0x38, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc000e77a40 sp=0xc000e77998 pc=0xff6765
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000f81908, 0x38, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc000e77ab0 sp=0xc000e77a40 pc=0xff6087
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000f81908)
	pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc000e77bd0 sp=0xc000e77ab0 pc=0xff5bea
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000f81908?, 0xc000f81908)
	pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc000e77e78 sp=0xc000e77bd0 pc=0xfe0675
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000f81908, 0x43)
	pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc000e77fb0 sp=0xc000e77e78 pc=0xfdd99b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000e77fe0 sp=0xc000e77fb0 pc=0xff1f45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000e77fe8 sp=0xc000e77fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 372
	pkg/sentry/kernel/task_start.go:400 +0x185

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=0xfe74d3]

goroutine 313 gp=0xc000e05dc0 m=10 mp=0xc000465508 [running]:
panic({0x1c598a0?, 0x2c2cca0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000e76d60 sp=0xc000e76cb0 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=0xc000e76dc0 sp=0xc000e76d60 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000e82b00)
	pkg/sentry/kernel/task_signals.go:385 +0x53 fp=0xc000e76e50 sp=0xc000e76dc0 pc=0xfe74d3
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc000879bb0, 0xc000879b70?)
	pkg/sentry/kernel/task_acct.go:151 +0xea fp=0xc000e76e80 sp=0xc000e76e50 pc=0xfb2a2a
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc000879b70, {0x0?, {0x0?}, 0xc000e31c70?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x342 fp=0xc000e76f58 sp=0xc000e76e80 pc=0xb71562
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc000879408, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x18a fp=0xc000e77000 sp=0xc000e76f58 pc=0xfb250a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000247008, 0xc000fd93b0, 0xc00130c8f0, 0x0, 0xc00130c910)
	pkg/sentry/kernel/thread_group.go:308 +0x709 fp=0xc000e77078 sp=0xc000e77000 pc=0xffdd49
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000f81908, 0xc000e775a0)
	pkg/sentry/kernel/task_clone.go:238 +0x217a fp=0xc000e77580 sp=0xc000e77078 pc=0xfbb5ba
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc000f81908, 0x58e0000, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x130 fp=0xc000e77670 sp=0xc000e77580 pc=0x12c7050
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000f81908, 0x0?, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0xef fp=0xc000e776e8 sp=0xc000e77670 pc=0x126332f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000f81908, 0x38, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc000e77998 sp=0xc000e776e8 pc=0xff463f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000f81908, 0x38, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc000e77a40 sp=0xc000e77998 pc=0xff6765
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000f81908, 0x38, {{0x58e0000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc000e77ab0 sp=0xc000e77a40 pc=0xff6087
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000f81908)
	pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc000e77bd0 sp=0xc000e77ab0 pc=0xff5bea
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000f81908?, 0xc000f81908)
	pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc000e77e78 sp=0xc000e77bd0 pc=0xfe0675
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000f81908, 0x43)
	pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc000e77fb0 sp=0xc000e77e78 pc=0xfdd99b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000e77fe0 sp=0xc000e77fb0 pc=0xff1f45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000e77fe8 sp=0xc000e77fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 372
	pkg/sentry/kernel/task_start.go:400 +0x185