panic: WARNING: circular locking detected: kernel.fsContextMutex -> kernfs.filesystemRWMutex:
	goroutine 403636 [running]:
	gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0003ceec0, 0xc000757160)
		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(0xc003ef2590)
		bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:31 +0x3c
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc001339440, {0x2116790, 0xc0040e1908})
		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({0xc00022a9a0?, 0xc001339440?}, {0x2116790, 0xc0040e1908})
		pkg/sentry/vfs/vfs.go:1114 +0x6b
	gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).SetWorkingDirectory(0xc001badd40, {0x2116790, 0xc0040e1908}, {0xc00022a9a0, 0xc001095a70})
		pkg/sentry/kernel/fs_context.go:144 +0x1f2
	gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Fchdir(0xc0040e1908, 0xc003ae2b20?, {{0x7}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/syscalls/linux/sys_file.go:361 +0x325
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0040e1908, 0x51, {{0x7}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:143 +0x94c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0040e1908, 0x51, {{0x7}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:323 +0x72
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0040e1908, 0x51, {{0x7}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:283 +0x94
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0040e1908)
		pkg/sentry/kernel/task_syscall.go:258 +0x490
	gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0040e1908?, 0xc0040e1908)
		pkg/sentry/kernel/task_run.go:269 +0x1ec9
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0040e1908, 0xc90d)
		pkg/sentry/kernel/task_run.go:97 +0x4ca
	created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 403597
		pkg/sentry/kernel/task_start.go:416 +0x15c
	
	known lock chain: kernfs.filesystemRWMutex -> kernel.taskSetRWMutex -> kernel.fsContextMutex
	
	====== kernfs.filesystemRWMutex -> kernel.taskSetRWMutex =====
	goroutine 135 [running]:
	gvisor.dev/gvisor/pkg/sentry/kernel.(*taskSetRWMutex).RLock(0xc00001c5a0)
		bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/taskset_mutex.go:59 +0x3c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*PIDNamespace).IDOfThreadGroup(0xc0003022a0, 0xc0002e7808)
		pkg/sentry/kernel/threads.go:328 +0x45
	gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*selfSymlink).Readlink(0xc0002348c0, {0x2116790, 0xc00093c008}, 0x489e69?)
		pkg/sentry/fsimpl/proc/tasks_files.go:62 +0xb8
	gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*selfSymlink).Getlink(0xc0002348c0, {0x2116790, 0xc00093c008}, 0xc00022af20)
		pkg/sentry/fsimpl/proc/tasks_files.go:70 +0x45
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc0002b46c0, {0x2116790, 0xc00093c008}, 0xc000226908, 0xc0007627e0)
		pkg/sentry/fsimpl/kernfs/filesystem.go:83 +0x4cf
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc0002b46c0, {0x2116790, 0xc00093c008}, 0xc000226908)
		pkg/sentry/fsimpl/kernfs/filesystem.go:197 +0xc5
	gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).ReadlinkAt(0xc0002b46c0, {0x2116790, 0xc00093c008}, 0xc000226908)
		pkg/sentry/fsimpl/kernfs/filesystem.go:697 +0x136
	gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).ReadlinkAt(0xc0000049e0, {0x2116790, 0xc00093c008}, 0xc000190120, 0xc0005cf588)
		pkg/sentry/vfs/vfs.go:512 +0xed
	gvisor.dev/gvisor/pkg/sentry/syscalls/linux.readlinkat(0xc00093c008, 0xffffff9c, 0xc000102070, 0xc000114d00, 0x80)
		pkg/sentry/syscalls/linux/sys_file.go:1096 +0x26c
	gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Readlinkat(0xc00093c008, 0xc0002a0090?, {{0xffffffffffffff9c}, {0xc000102070}, {0xc000114d00}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/syscalls/linux/sys_file.go:1067 +0x46
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00093c008, 0x10b, {{0xffffffffffffff9c}, {0xc000102070}, {0xc000114d00}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:143 +0x94c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00093c008, 0x10b, {{0xffffffffffffff9c}, {0xc000102070}, {0xc000114d00}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:323 +0x72
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00093c008, 0x10b, {{0xffffffffffffff9c}, {0xc000102070}, {0xc000114d00}, {0x80}, {0x0}, {0x0}})
		pkg/sentry/kernel/task_syscall.go:283 +0x94
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00093c008)
		pkg/sentry/kernel/task_syscall.go:258 +0x490
	gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00093c008?, 0xc00093c008)
		pkg/sentry/kernel/task_run.go:269 +0x1ec9
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00093c008, 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 124 [running]:
	gvisor.dev/gvisor/pkg/sentry/kernel.(*fsContextMutex).Lock(0xc0009f2048)
		bazel-out/k8-fastbuild/bin/pkg/sentry/kernel/fs_context_mutex.go:33 +0x3c
	gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).checkAndPreventSharingOutsideTG(0xc0009f2040, 0xc00030ec08)
		pkg/sentry/kernel/fs_context.go:209 +0x130
	gvisor.dev/gvisor/pkg/sentry/kernel.(*runExecveAfterExecveCredsLock).execute(0xc0002c2480, 0xc000952588)
		pkg/sentry/kernel/task_exec.go:156 +0x388
	gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000952588, 0xc)
		pkg/sentry/kernel/task_run.go:97 +0x4ca
	created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 119
		pkg/sentry/kernel/task_start.go:416 +0x15c