panic: WARNING: circular locking detected: kernel.fsContextMutex -> kernfs.filesystemRWMutex:
	goroutine 217861 [running]:
	gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0003ceec0, 0xc00090b160)
		bazel-out/k8-fastbuild/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x1e8
	gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000292d80, 0xc0003ceea0, {0x0, 0x0, 0x0})
		pkg/sync/locking/lockdep.go:112 +0x48a
	gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000292d80, 0xffffffffffffffff)
		pkg/sync/locking/lockdep.go:144 +0x2ec
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc001c37850)
		bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:31 +0x3c
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc001e59a70, {0x2116790, 0xc001aef908})
		pkg/sentry/fsimpl/kernfs/kernfs.go:303 +0xaf
	gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(...)
		pkg/sentry/vfs/dentry.go:156
	gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc000228b00?, 0xc001e59a70?}, {0x2116790, 0xc001aef908})
		pkg/sentry/vfs/vfs.go:1114 +0x6b
	gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).SetWorkingDirectory(0xc0039103c0, {0x2116790, 0xc001aef908}, {0xc000228b00, 0xc001c5e750})
		pkg/sentry/kernel/fs_context.go:144 +0x1f2
	gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Fchdir(0xc001aef908, 0xc009014b20?, {{0x5}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/syscalls/linux/sys_file.go:361 +0x325
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001aef908, 0x51, {{0x5}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:143 +0x94c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001aef908, 0x51, {{0x5}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:323 +0x72
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001aef908, 0x51, {{0x5}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:283 +0x94
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001aef908)
		pkg/sentry/kernel/task_syscall.go:258 +0x490
	gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001aef908?, 0xc001aef908)
		pkg/sentry/kernel/task_run.go:269 +0x1ec9
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001aef908, 0xf85e)
		pkg/sentry/kernel/task_run.go:97 +0x4ca
	created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 217822
		pkg/sentry/kernel/task_start.go:416 +0x15c
	
	known lock chain: kernfs.filesystemRWMutex -> kernel.taskSetRWMutex -> kernel.fsContextMutex
	
	====== kernfs.filesystemRWMutex -> kernel.taskSetRWMutex =====
	goroutine 229 [running]:
	gvisor.dev/gvisor/pkg/sentry/kernel.(*taskSetRWMutex).RLock(0xc000560140)
		bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/taskset_mutex.go:59 +0x3c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*PIDNamespace).IDOfThreadGroup(0xc00041c230, 0xc0002e7808)
		pkg/sentry/kernel/threads.go:328 +0x45
	gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*selfSymlink).Readlink(0xc00041da40, {0x2116790, 0xc000328008}, 0x489e69?)
		pkg/sentry/fsimpl/proc/tasks_files.go:62 +0xb8
	gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*selfSymlink).Getlink(0xc00041da40, {0x2116790, 0xc000328008}, 0xc0002f9290)
		pkg/sentry/fsimpl/proc/tasks_files.go:70 +0x45
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc0002b46c0, {0x2116790, 0xc000328008}, 0xc000712488, 0xc000201b00)
		pkg/sentry/fsimpl/kernfs/filesystem.go:83 +0x4cf
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc0002b46c0, {0x2116790, 0xc000328008}, 0xc000712488)
		pkg/sentry/fsimpl/kernfs/filesystem.go:197 +0xc5
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).ReadlinkAt(0xc0002b46c0, {0x2116790, 0xc000328008}, 0xc000712488)
		pkg/sentry/fsimpl/kernfs/filesystem.go:697 +0x136
	gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).ReadlinkAt(0xc0000049e0, {0x2116790, 0xc000328008}, 0xc0001901e0, 0xc000049588)
		pkg/sentry/vfs/vfs.go:512 +0xed
	gvisor.dev/gvisor/pkg/sentry/syscalls/linux.readlinkat(0xc000328008, 0xffffff9c, 0xc0000c0070, 0xc0000b6d80, 0x80)
		pkg/sentry/syscalls/linux/sys_file.go:1096 +0x26c
	gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Readlinkat(0xc000328008, 0xc00001e090?, {{0xffffffffffffff9c}, {0xc0000c0070}, {0xc0000b6d80}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/syscalls/linux/sys_file.go:1067 +0x46
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000328008, 0x10b, {{0xffffffffffffff9c}, {0xc0000c0070}, {0xc0000b6d80}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:143 +0x94c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000328008, 0x10b, {{0xffffffffffffff9c}, {0xc0000c0070}, {0xc0000b6d80}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:323 +0x72
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000328008, 0x10b, {{0xffffffffffffff9c}, {0xc0000c0070}, {0xc0000b6d80}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:283 +0x94
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000328008)
		pkg/sentry/kernel/task_syscall.go:258 +0x490
	gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000328008?, 0xc000328008)
		pkg/sentry/kernel/task_run.go:269 +0x1ec9
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000328008, 0x1)
		pkg/sentry/kernel/task_run.go:97 +0x4ca
	created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1
		pkg/sentry/kernel/task_start.go:416 +0x15c
	
	====== kernel.taskSetRWMutex -> kernel.fsContextMutex =====
	goroutine 279 [running]:
	gvisor.dev/gvisor/pkg/sentry/kernel.(*fsContextMutex).Lock(0xc0006f4308)
		bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/fs_context_mutex.go:33 +0x3c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).checkAndPreventSharingOutsideTG(0xc0006f4300, 0xc0002e8408)
		pkg/sentry/kernel/fs_context.go:209 +0x130
	gvisor.dev/gvisor/pkg/sentry/kernel.(*runExecveAfterExecveCredsLock).execute(0xc000168c60, 0xc0003d5908)
		pkg/sentry/kernel/task_exec.go:156 +0x388
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0003d5908, 0xc)
		pkg/sentry/kernel/task_run.go:97 +0x4ca
	created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 235
		pkg/sentry/kernel/task_start.go:416 +0x15c