Extracting prog: 22.366318265s
Minimizing prog: 2m0.30322186s
Simplifying prog options: 0s
Extracting C: 11.507196929s
Simplifying C: 2m8.226119679s


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: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-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: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(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: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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 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-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: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-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: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-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: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-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: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}}): 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: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-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 4m42.402874562s
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 3287 gp=0xc000d80fc0 m=7 mp=0xc000228708 [running]:
panic({0x1192560?, 0x2072ac0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0009333a8 sp=0xc0009332f8 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=0xc000933408 sp=0xc0009333a8 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001b00b00)
	pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc000933468 sp=0xc000933408 pc=0xa714ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc002c1ef70?)
	pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc000933490 sp=0xc000933468 pc=0xa55a85
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc002c1ef70, {0x0?, {0x1?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc000933530 sp=0xc000933490 pc=0x812744
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc002c1e808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc000933598 sp=0xc000933530 pc=0xa557ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc00027b008, 0xc002013960, 0xc001f36f20, 0x0, 0xc001f36f30)
	pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc0009335d8 sp=0xc000933598 pc=0xa7bd50
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0024f0588, 0xc000933978)
	pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc000933968 sp=0xc0009335d8 pc=0xa5ab65
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x300000002?, 0xc00059eab0?, 0x474a0e?, 0xc000d80fc0?, 0x200000003?, 0x0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc000933a38 sp=0xc000933968 pc=0xc2ecfd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc00059eb10?, 0xc00059eb10?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc000933a78 sp=0xc000933a38 pc=0xbe7c6c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0024f0588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc000933ca8 sp=0xc000933a78 pc=0xa77857
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0024f0588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc000933d00 sp=0xc000933ca8 pc=0xa789c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0024f0588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc000933d50 sp=0xc000933d00 pc=0xa786c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001e596c0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc000933e28 sp=0xc000933d50 pc=0xa78445
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0020b1a70?, 0xc0024f0588)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc000933f30 sp=0xc000933e28 pc=0xa6dd57
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0024f0588, 0x415)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc000933fc0 sp=0xc000933f30 pc=0xa6c7b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000933fe0 sp=0xc000933fc0 pc=0xa76265
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000933fe8 sp=0xc000933fe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 3350
	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 3287 gp=0xc000d80fc0 m=7 mp=0xc000228708 [running]:
panic({0x1192560?, 0x2072ac0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0009333a8 sp=0xc0009332f8 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=0xc000933408 sp=0xc0009333a8 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001b00b00)
	pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc000933468 sp=0xc000933408 pc=0xa714ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc002c1ef70?)
	pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc000933490 sp=0xc000933468 pc=0xa55a85
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc002c1ef70, {0x0?, {0x1?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc000933530 sp=0xc000933490 pc=0x812744
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc002c1e808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc000933598 sp=0xc000933530 pc=0xa557ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc00027b008, 0xc002013960, 0xc001f36f20, 0x0, 0xc001f36f30)
	pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc0009335d8 sp=0xc000933598 pc=0xa7bd50
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0024f0588, 0xc000933978)
	pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc000933968 sp=0xc0009335d8 pc=0xa5ab65
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x300000002?, 0xc00059eab0?, 0x474a0e?, 0xc000d80fc0?, 0x200000003?, 0x0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc000933a38 sp=0xc000933968 pc=0xc2ecfd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc00059eb10?, 0xc00059eb10?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc000933a78 sp=0xc000933a38 pc=0xbe7c6c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0024f0588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc000933ca8 sp=0xc000933a78 pc=0xa77857
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0024f0588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc000933d00 sp=0xc000933ca8 pc=0xa789c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0024f0588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f386c38c6c0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc000933d50 sp=0xc000933d00 pc=0xa786c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001e596c0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc000933e28 sp=0xc000933d50 pc=0xa78445
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0020b1a70?, 0xc0024f0588)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc000933f30 sp=0xc000933e28 pc=0xa6dd57
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0024f0588, 0x415)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc000933fc0 sp=0xc000933f30 pc=0xa6c7b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000933fe0 sp=0xc000933fc0 pc=0xa76265
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000933fe8 sp=0xc000933fe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 3350
	pkg/sentry/kernel/task_start.go:400 +0xc5