panic: nested locking: kernfs.filesystemRWMutex: goroutine 121873 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).RLock(0xc000540050) bazel-out/aarch64-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:59 +0x44 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).InotifyWithParent(0xc002beca20, {0x865e38, 0xc009d20000}, 0x10, 0x0?, 0x9c?) pkg/sentry/fsimpl/kernfs/kernfs.go:517 +0x78 gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).InotifyWithParent(...) pkg/sentry/vfs/dentry.go:187 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:167 +0xbc gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00892cd80, 0xc00107e948) bazel-out/aarch64-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x58 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00892cd80, {0x865e38, 0xc009d20000}) pkg/sentry/vfs/file_description.go:161 +0x64 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SafeDecRefFD(0xc00018adc0, {0x865e38, 0xc009d20000}, 0xc00892cd80) pkg/sentry/fsimpl/kernfs/kernfs.go:153 +0xb0 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*fdSymlink).Getlink(0xc006738e00, {0x865e38, 0xc009d20000}, 0xc00438de60?) pkg/sentry/fsimpl/proc/task_fds.go:241 +0x128 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc00107ec98?, {0x865e38, 0xc009d20000}, 0xc002b47b00, 0xc00438ddd0) pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x410 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc00018ae10?, {0x865e38, 0xc009d20000}, 0xc002b47b00) pkg/sentry/fsimpl/kernfs/filesystem.go:160 +0xb0 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc00018adc0, {0x865e38, 0xc009d20000}, 0xc002b47b00, {0x20002, 0x0, 0x0}) pkg/sentry/fsimpl/kernfs/filesystem.go:482 +0x130 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00371fe80?, {0x865e38, 0xc009d20000}, 0x2d?, 0xc00107f3f8, 0xc00107f2f0) pkg/sentry/vfs/vfs.go:436 +0x3a8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc009d20000, 0x1?, 0xc00107f4c8?, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x1ac gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc000af8898?, {{0xffffffffffffff9c}, {0xe1d611259b10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x40 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009d20000, 0x38, {{0xffffffffffffff9c}, {0xe1d611259b10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/kernel/task_syscall.go:142 +0x6d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009d20000, 0x1298578?, {{0xffffffffffffff9c}, {0xe1d611259b10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00107fb68?, 0x1297118?, {{0xffffffffffffff9c}, {0xe1d611259b10}, {0x2}, {0x0}, {0x0}, {0x5510000000005440}}) pkg/sentry/kernel/task_syscall.go:282 +0x7c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009d20000) pkg/sentry/kernel/task_syscall.go:257 +0x3c0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc009d20000?, 0xc009d20000) pkg/sentry/kernel/task_run.go:256 +0x1260 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009d20000, 0x4a87) pkg/sentry/kernel/task_run.go:94 +0x2bc created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x184