fatal error: fault
DIAGNOSIS:


Error collecting stacks: failed to start /syzkaller/managers/ptrace-direct-overlay-host/current/image [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=host debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-1]: fork/exec /syzkaller/managers/ptrace-direct-overlay-host/current/image: cannot allocate memory[signal SIGBUS: bus error code=0x2 addr=0x7fbe06db4000 pc=0x4610e8]

goroutine 237 [running]:
runtime.throw(0xdbb01a, 0x5)
	GOROOT/src/runtime/panic.go:774 +0x72 fp=0xc0062474c8 sp=0xc006247498 pc=0x42f1b2
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:391 +0x455 fp=0xc0062474f8 sp=0xc0062474c8 pc=0x4450e5
runtime.memmove(0x7fbe06d35000, 0x7fbe06ca5000, 0x90000)
	src/runtime/memmove_amd64.s:366 +0x438 fp=0xc006247500 sp=0xc0062474f8 pc=0x4610e8
gvisor.dev/gvisor/pkg/safemem.Copy(0x7fbe06d35000, 0x90000, 0x0, 0x7fbe06ca5000, 0x90000, 0x90000, 0x222ba000, 0x2234a000, 0x1)
	pkg/safemem/block_unsafe.go:199 +0x340 fp=0xc0062475b0 sp=0xc006247500 pc=0x59c350
gvisor.dev/gvisor/pkg/safemem.CopySeq(0x7fbe06d35000, 0xffffffffffffffff, 0x0, 0x90000, 0x7fbe06ca5000, 0xffffffffffffffff, 0x0, 0x90000, 0xc006247718, 0x0, ...)
	pkg/safemem/seq_unsafe.go:277 +0x27d fp=0xc006247680 sp=0xc0062475b0 pc=0x59f12d
gvisor.dev/gvisor/pkg/safemem.(*BlockSeqReader).ReadToBlocks(0xc0052d7dc0, 0x7fbe06d35000, 0xffffffffffffffff, 0x0, 0x90000, 0xc000332020, 0x40c0f6, 0xc0052d7dc0)
	pkg/safemem/io.go:86 +0x84 fp=0xc006247700 sp=0xc006247680 pc=0x59ca74
gvisor.dev/gvisor/pkg/safemem.ReadFullToBlocks(0xee00c0, 0xc0052d7dc0, 0x7fbe06d35000, 0xffffffffffffffff, 0x0, 0x90000, 0x0, 0x90000, 0x0)
	pkg/safemem/io.go:54 +0xe4 fp=0xc006247780 sp=0xc006247700 pc=0x59c984
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).AllocateAndFill(0xc000332000, 0x90000, 0x1, 0xee00c0, 0xc0052d7dc0, 0x7fbe06ca5000, 0xffffffffffffffff, 0x0, 0x90000)
	pkg/sentry/pgalloc/pgalloc.go:504 +0xfe fp=0xc006247808 sp=0xc006247780 pc=0x6f56ee
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc0009da000, 0xefe160, 0xc0009de000, 0xc0009da080, 0xa, 0x7f94a048f000, 0x7f94a0490000, 0x101, 0xef92e0, 0xc006247d30, ...)
	pkg/sentry/mm/pma.go:343 +0xbae fp=0xc006247c80 sp=0xc006247808 pc=0x7d17ee
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc0009da000, 0xefe160, 0xc0009de000, 0xc0009da080, 0xa, 0x7f94a048f000, 0x7f94a0490000, 0x101, 0xc0009da080, 0xb, ...)
	pkg/sentry/mm/pma.go:119 +0xe9 fp=0xc006247d40 sp=0xc006247c80 pc=0x7d0589
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc0009da000, 0xefe160, 0xc0009de000, 0x7f94a048fa68, 0x1000101, 0x7f94a048fa70, 0x0, 0x101)
	pkg/sentry/mm/syscalls.go:57 +0x1ab fp=0xc006247e08 sp=0xc006247d40 pc=0x7e301b
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0009de000, 0xee0520, 0x0)
	pkg/sentry/kernel/task_run.go:272 +0xa35 fp=0xc006247f40 sp=0xc006247e08 pc=0x83bae5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0009de000, 0x55)
	pkg/sentry/kernel/task_run.go:92 +0x1bb fp=0xc006247fd0 sp=0xc006247f40 pc=0x83abcb
runtime.goexit()
	src/runtime/asm_amd64.s:1357 +0x1 fp=0xc006247fd8 sp=0xc006247fd0 pc=0x45faf1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:310 +0xfe