Extracting prog: 28.43259694s Minimizing prog: 3m30.577761128s Simplifying prog options: 0s Extracting C: 12.387903647s Simplifying C: 1m30.203369697s 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}}): openat$pidfd-fchdir-mount$cgroup detailed listing: executing program 0: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000200), 0x484b1e3341a13be1, 0x0) fchdir(r0) mount$cgroup(0x0, &(0x7f0000002980)='.\x00', &(0x7f00000029c0), 0x4, &(0x7f0000000000)={[{@none}, {@name={'name', 0x3d, 'none\xc8\xec\x00'/21}}]}) program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) single: successfully extracted reproducer found reproducer with 3 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}}): openat$pidfd-fchdir detailed listing: executing program 0: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000200), 0x484b1e3341a13be1, 0x0) fchdir(r0) 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}}): openat$pidfd-mount$cgroup detailed listing: executing program 0: openat$pidfd(0xffffffffffffff9c, &(0x7f0000000200), 0x484b1e3341a13be1, 0x0) mount$cgroup(0x0, &(0x7f0000002980)='.\x00', &(0x7f00000029c0), 0x4, &(0x7f0000000000)={[{@none}, {@name={'name', 0x3d, 'none\xc8\xec\x00'/21}}]}) 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}}): fchdir-mount$cgroup detailed listing: executing program 0: fchdir(0xffffffffffffffff) mount$cgroup(0x0, &(0x7f0000002980)='.\x00', &(0x7f00000029c0), 0x4, &(0x7f0000000000)={[{@none}, {@name={'name', 0x3d, 'none\xc8\xec\x00'/21}}]}) 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}}): openat$pidfd-fchdir-mount$cgroup detailed listing: executing program 0: r0 = openat$pidfd(0xffffffffffffff9c, 0x0, 0x484b1e3341a13be1, 0x0) fchdir(r0) mount$cgroup(0x0, &(0x7f0000002980)='.\x00', &(0x7f00000029c0), 0x4, &(0x7f0000000000)={[{@none}, {@name={'name', 0x3d, 'none\xc8\xec\x00'/21}}]}) 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}}): openat$pidfd-fchdir-mount$cgroup detailed listing: executing program 0: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000200), 0x484b1e3341a13be1, 0x0) fchdir(r0) mount$cgroup(0x0, 0x0, &(0x7f00000029c0), 0x4, &(0x7f0000000000)={[{@none}, {@name={'name', 0x3d, 'none\xc8\xec\x00'/21}}]}) 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}}): openat$pidfd-fchdir-mount$cgroup detailed listing: executing program 0: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000200), 0x484b1e3341a13be1, 0x0) fchdir(r0) mount$cgroup(0x0, &(0x7f0000002980)='.\x00', 0x0, 0x4, &(0x7f0000000000)={[{@none}, {@name={'name', 0x3d, 'none\xc8\xec\x00'/21}}]}) 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}}): openat$pidfd-fchdir-mount$cgroup detailed listing: executing program 0: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000200), 0x484b1e3341a13be1, 0x0) fchdir(r0) mount$cgroup(0x0, &(0x7f0000002980)='.\x00', &(0x7f00000029c0), 0x4, 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) 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}}): openat$pidfd-fchdir-mount$cgroup program did not crash 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) testing compiled C program (duration=30s, {Threaded:false 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) testing compiled C program (duration=30s, {Threaded:false 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) testing compiled C program (duration=30s, {Threaded:false 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) testing compiled C program (duration=30s, {Threaded:false 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}}): openat$pidfd-fchdir-mount$cgroup program crashed: panic: running on goroutine NUM (task goroutine for kernel.Task ADDR is NUM) reproducing took 5m41.601646032s repro crashed as (corrupted=false): panic: running on goroutine 268 (task goroutine for kernel.Task 0xc0009f7908 is 0) goroutine 268 gp=0xc000895a40 m=14 mp=0xc000688008 [running]: panic({0x1af4ae0?, 0xc000a9ed20?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a1f5d0 sp=0xc000a1f520 pc=0x478628 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).assertTaskGoroutine(0xc0009f7908) pkg/sentry/kernel/task_run.go:368 +0x13c fp=0xc000a1f650 sp=0xc000a1f5d0 pc=0xf3a2dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Value(0xc0009f7908, {0x1af63a0, 0x1f741b8}) pkg/sentry/kernel/task_context.go:59 +0x31 fp=0xc000a1f690 sp=0xc000a1f650 pc=0xf1ca11 gvisor.dev/gvisor/pkg/sentry/kernel.KernelFromContext(...) pkg/sentry/kernel/context.go:55 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*filesystem).Release(0xc00023edc0, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/cgroupfs/cgroupfs.go:468 +0x4c fp=0xc000a1f6e8 sp=0xc000a1f690 pc=0x1612acc gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef.func1() pkg/sentry/vfs/filesystem.go:81 +0x109 fp=0xc000a1f740 sp=0xc000a1f6e8 pc=0xac65e9 gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0xc00023edc0, 0xc000a1f7d8) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/filesystem_refs.go:133 +0x6d fp=0xc000a1f7c8 sp=0xc000a1f740 pc=0xac6ead gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0xc00023edc0, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/filesystem.go:77 +0x94 fp=0xc000a1f808 sp=0xc000a1f7c8 pc=0xac6494 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc00024d1e0, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/vfs.go:1050 +0x23e fp=0xc000a1f8d0 sp=0xc000a1f808 pc=0xaf525e gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.deferwrap1() pkg/sentry/vfs/mount.go:949 +0x50 fp=0xc000a1f910 sp=0xc000a1f8d0 pc=0xad52b0 runtime.deferreturn() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:605 +0x5e fp=0xc000a1f9a0 sp=0xc000a1f910 pc=0x43b97e gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc000224630, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/mount.go:979 +0x752 fp=0xc000a1fb00 sp=0xc000a1f9a0 pc=0xad51d2 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc000224630, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/mount.go:943 +0x79 fp=0xc000a1fb28 sp=0xc000a1fb00 pc=0xad4a39 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).processDeferredDecRefs.deferwrap1() pkg/sentry/fsimpl/kernfs/kernfs.go:182 +0x62 fp=0xc000a1fb70 sp=0xc000a1fb28 pc=0xc18d02 runtime.deferreturn() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:605 +0x5e fp=0xc000a1fc00 sp=0xc000a1fb70 pc=0x43b97e gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).processDeferredDecRefs(0xc00050a840, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/kernfs/kernfs.go:186 +0x1cb fp=0xc000a1fc60 sp=0xc000a1fc00 pc=0xc18c6b gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).Invalidate.deferwrap1() pkg/sentry/fsimpl/kernfs/kernfs.go:323 +0x50 fp=0xc000a1fca0 sp=0xc000a1fc60 pc=0xc19690 runtime.deferreturn() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:605 +0x5e fp=0xc000a1fd30 sp=0xc000a1fca0 pc=0x43b97e gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).Invalidate(0xc000206360, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/kernfs/kernfs.go:339 +0x3c5 fp=0xc000a1fe48 sp=0xc000a1fd30 pc=0xc19565 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*taskInode).TaskDestroyAction(0xc0001db408, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/proc/task.go:130 +0x172 fp=0xc000a1fef0 sp=0xc000a1fe48 pc=0x1309d32 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).execOnDestroyActions.func1() pkg/sentry/kernel/task_exit.go:807 +0x168 fp=0xc000a1ffe0 sp=0xc000a1fef0 pc=0xf269c8 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a1ffe8 sp=0xc000a1ffe0 pc=0x4819a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).execOnDestroyActions in goroutine 103 pkg/sentry/kernel/task_exit.go:804 +0x1dd final repro crashed as (corrupted=false): panic: running on goroutine 268 (task goroutine for kernel.Task 0xc0009f7908 is 0) goroutine 268 gp=0xc000895a40 m=14 mp=0xc000688008 [running]: panic({0x1af4ae0?, 0xc000a9ed20?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a1f5d0 sp=0xc000a1f520 pc=0x478628 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).assertTaskGoroutine(0xc0009f7908) pkg/sentry/kernel/task_run.go:368 +0x13c fp=0xc000a1f650 sp=0xc000a1f5d0 pc=0xf3a2dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Value(0xc0009f7908, {0x1af63a0, 0x1f741b8}) pkg/sentry/kernel/task_context.go:59 +0x31 fp=0xc000a1f690 sp=0xc000a1f650 pc=0xf1ca11 gvisor.dev/gvisor/pkg/sentry/kernel.KernelFromContext(...) pkg/sentry/kernel/context.go:55 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*filesystem).Release(0xc00023edc0, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/cgroupfs/cgroupfs.go:468 +0x4c fp=0xc000a1f6e8 sp=0xc000a1f690 pc=0x1612acc gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef.func1() pkg/sentry/vfs/filesystem.go:81 +0x109 fp=0xc000a1f740 sp=0xc000a1f6e8 pc=0xac65e9 gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0xc00023edc0, 0xc000a1f7d8) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/filesystem_refs.go:133 +0x6d fp=0xc000a1f7c8 sp=0xc000a1f740 pc=0xac6ead gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0xc00023edc0, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/filesystem.go:77 +0x94 fp=0xc000a1f808 sp=0xc000a1f7c8 pc=0xac6494 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc00024d1e0, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/vfs.go:1050 +0x23e fp=0xc000a1f8d0 sp=0xc000a1f808 pc=0xaf525e gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.deferwrap1() pkg/sentry/vfs/mount.go:949 +0x50 fp=0xc000a1f910 sp=0xc000a1f8d0 pc=0xad52b0 runtime.deferreturn() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:605 +0x5e fp=0xc000a1f9a0 sp=0xc000a1f910 pc=0x43b97e gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc000224630, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/mount.go:979 +0x752 fp=0xc000a1fb00 sp=0xc000a1f9a0 pc=0xad51d2 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc000224630, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/vfs/mount.go:943 +0x79 fp=0xc000a1fb28 sp=0xc000a1fb00 pc=0xad4a39 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).processDeferredDecRefs.deferwrap1() pkg/sentry/fsimpl/kernfs/kernfs.go:182 +0x62 fp=0xc000a1fb70 sp=0xc000a1fb28 pc=0xc18d02 runtime.deferreturn() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:605 +0x5e fp=0xc000a1fc00 sp=0xc000a1fb70 pc=0x43b97e gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).processDeferredDecRefs(0xc00050a840, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/kernfs/kernfs.go:186 +0x1cb fp=0xc000a1fc60 sp=0xc000a1fc00 pc=0xc18c6b gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).Invalidate.deferwrap1() pkg/sentry/fsimpl/kernfs/kernfs.go:323 +0x50 fp=0xc000a1fca0 sp=0xc000a1fc60 pc=0xc19690 runtime.deferreturn() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:605 +0x5e fp=0xc000a1fd30 sp=0xc000a1fca0 pc=0x43b97e gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).Invalidate(0xc000206360, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/kernfs/kernfs.go:339 +0x3c5 fp=0xc000a1fe48 sp=0xc000a1fd30 pc=0xc19565 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*taskInode).TaskDestroyAction(0xc0001db408, {0x1fa1ec0, 0xc0009f7908}) pkg/sentry/fsimpl/proc/task.go:130 +0x172 fp=0xc000a1fef0 sp=0xc000a1fe48 pc=0x1309d32 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).execOnDestroyActions.func1() pkg/sentry/kernel/task_exit.go:807 +0x168 fp=0xc000a1ffe0 sp=0xc000a1fef0 pc=0xf269c8 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a1ffe8 sp=0xc000a1ffe0 pc=0x4819a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).execOnDestroyActions in goroutine 103 pkg/sentry/kernel/task_exit.go:804 +0x1dd