Extracting prog: 24.284091388s
Minimizing prog: 1m30.255787992s
Simplifying prog options: 1m11.445196096s
Extracting C: 11.389614024s
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: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-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: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, &(0x7f0000000980)={0x0, 0x62})

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
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: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-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: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-syz_clone
program did not crash
simplifying guilty program options
testing 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}}): 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: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-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 3m37.12121927s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x64162c]

goroutine 792 gp=0x40008b76c0 m=17 mp=0x4000684008 [running]:
panic({0xcd9020?, 0x1b7e880?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400056f320 sp=0x400056f270 pc=0x84234
runtime.panicmem(...)
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x300 fp=0x400056f380 sp=0x400056f320 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x4000cee000)
	pkg/sentry/kernel/task_signals.go:385 +0x2c fp=0x400056f3f0 sp=0x400056f390 pc=0x64162c
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xfffef67cb4f8?, 0x400114c770?)
	pkg/sentry/kernel/task_acct.go:151 +0x54 fp=0x400056f420 sp=0x400056f3f0 pc=0x626a74
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x400114c770, {0x88?, {0x0?}, 0x1?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0x400056f4c0 sp=0x400056f420 pc=0x3f9444
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x400114c008, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x148 fp=0x400056f530 sp=0x400056f4c0 pc=0x626798
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x40001cf008, 0x400122d730, 0x40006c6050, 0x0, 0x40006c6080)
	pkg/sentry/kernel/thread_group.go:308 +0x2ec fp=0x400056f580 sp=0x400056f530 pc=0x64b91c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x40007ca588, 0x400056f938)
	pkg/sentry/kernel/task_clone.go:238 +0xf5c fp=0x400056f920 sp=0x400056f580 pc=0x62b38c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xd57d53c00000?, 0xd57d53e00000?, 0xd57d53d10000?, 0xe8dc2fc23398?, 0xdee5ef8fd8b8?, 0xd57d53d10000?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x84 fp=0x400056f9f0 sp=0x400056f920 pc=0x7da564
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x40007ca588?, 0x4000716ca8?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x34 fp=0x400056fa30 sp=0x400056f9f0 pc=0x79e784
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40007ca588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x4e8 fp=0x400056fc60 sp=0x400056fa30 pc=0x6476b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40007ca588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x400056fcc0 sp=0x400056fc60 pc=0x6485ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40007ca588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x400056fd10 sp=0x400056fcc0 pc=0x648268
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40011668f0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x400056fdf0 sp=0x400056fd10 pc=0x64801c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400124ed80?, 0x40007ca588)
	pkg/sentry/kernel/task_run.go:269 +0xce4 fp=0x400056ff10 sp=0x400056fdf0 pc=0x63dfc4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40007ca588, 0x3c)
	pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x400056ffb0 sp=0x400056ff10 pc=0x63cc54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400056ffd0 sp=0x400056ffb0 pc=0x64624c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x400056ffd0 sp=0x400056ffd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 852
	pkg/sentry/kernel/task_start.go:400 +0xc4

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=0x64162c]

goroutine 792 gp=0x40008b76c0 m=17 mp=0x4000684008 [running]:
panic({0xcd9020?, 0x1b7e880?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400056f320 sp=0x400056f270 pc=0x84234
runtime.panicmem(...)
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x300 fp=0x400056f380 sp=0x400056f320 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x4000cee000)
	pkg/sentry/kernel/task_signals.go:385 +0x2c fp=0x400056f3f0 sp=0x400056f390 pc=0x64162c
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xfffef67cb4f8?, 0x400114c770?)
	pkg/sentry/kernel/task_acct.go:151 +0x54 fp=0x400056f420 sp=0x400056f3f0 pc=0x626a74
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x400114c770, {0x88?, {0x0?}, 0x1?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0x400056f4c0 sp=0x400056f420 pc=0x3f9444
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x400114c008, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x148 fp=0x400056f530 sp=0x400056f4c0 pc=0x626798
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x40001cf008, 0x400122d730, 0x40006c6050, 0x0, 0x40006c6080)
	pkg/sentry/kernel/thread_group.go:308 +0x2ec fp=0x400056f580 sp=0x400056f530 pc=0x64b91c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x40007ca588, 0x400056f938)
	pkg/sentry/kernel/task_clone.go:238 +0xf5c fp=0x400056f920 sp=0x400056f580 pc=0x62b38c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xd57d53c00000?, 0xd57d53e00000?, 0xd57d53d10000?, 0xe8dc2fc23398?, 0xdee5ef8fd8b8?, 0xd57d53d10000?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x84 fp=0x400056f9f0 sp=0x400056f920 pc=0x7da564
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x40007ca588?, 0x4000716ca8?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x34 fp=0x400056fa30 sp=0x400056f9f0 pc=0x79e784
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40007ca588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x4e8 fp=0x400056fc60 sp=0x400056fa30 pc=0x6476b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40007ca588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x400056fcc0 sp=0x400056fc60 pc=0x6485ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40007ca588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x400056fd10 sp=0x400056fcc0 pc=0x648268
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40011668f0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x400056fdf0 sp=0x400056fd10 pc=0x64801c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400124ed80?, 0x40007ca588)
	pkg/sentry/kernel/task_run.go:269 +0xce4 fp=0x400056ff10 sp=0x400056fdf0 pc=0x63dfc4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40007ca588, 0x3c)
	pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x400056ffb0 sp=0x400056ff10 pc=0x63cc54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400056ffd0 sp=0x400056ffb0 pc=0x64624c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x400056ffd0 sp=0x400056ffd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 852
	pkg/sentry/kernel/task_start.go:400 +0xc4