fatal error: fault
DIAGNOSIS:


Error collecting stacks: failed to start /syzkaller/managers/ptrace-direct-overlay-host-race/current/image [/syzkaller/managers/ptrace-direct-overlay-host-race/current/image -root /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=exclusive -overlay -network=host -TESTONLY-unsafe-nonroot debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-race-0]: fork/exec /syzkaller/managers/ptrace-direct-overlay-host-race/current/image: cannot allocate memory[signal SIGBUS: bus error code=0x2 addr=0x7f539f749020 pc=0x46463a]

goroutine 1803941 [running]:
runtime.throw(0x126e798, 0x5)
	GOROOT/src/runtime/panic.go:774 +0x72 fp=0xc009ebb040 sp=0xc009ebb010 pc=0x430c92
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:391 +0x455 fp=0xc009ebb070 sp=0xc009ebb040 pc=0x447ea5
runtime.memmove(0x7f539f749000, 0x7f545cd0e000, 0x1c000)
	src/runtime/memmove_amd64.s:363 +0x42a fp=0xc009ebb078 sp=0xc009ebb070 pc=0x46463a
runtime.slicecopy(0x7f539f749000, 0x1c000, 0x1c000, 0x7f545cd0e000, 0x1c000, 0x1c000, 0x1, 0xc00bad0878)
	GOROOT/src/runtime/slice.go:227 +0x124 fp=0xc009ebb0c0 sp=0xc009ebb078 pc=0x4497f4
gvisor.dev/gvisor/pkg/safemem.Copy(0x7f539f749000, 0x1c000, 0x0, 0x7f545cd0e000, 0x1c000, 0x1c000, 0xc009ebb300, 0x20, 0x1c000)
	pkg/safemem/block_unsafe.go:199 +0x3d1 fp=0xc009ebb1a0 sp=0xc009ebb0c0 pc=0x64e021
gvisor.dev/gvisor/pkg/safemem.CopySeq(0x7f539f749000, 0xffffffffffffffff, 0x0, 0x1c000, 0x7f545cd0e000, 0xffffffffffffffff, 0x0, 0x1c000, 0xc009ebb358, 0x0, ...)
	pkg/safemem/seq_unsafe.go:276 +0x292 fp=0xc009ebb280 sp=0xc009ebb1a0 pc=0x651a02
gvisor.dev/gvisor/pkg/safemem.(*BlockSeqReader).ReadToBlocks(0xc00dc700a0, 0x7f539f749000, 0xffffffffffffffff, 0x0, 0x1c000, 0x885d10, 0xc009ebb390, 0xc000304020)
	pkg/safemem/io.go:86 +0xbf fp=0xc009ebb330 sp=0xc009ebb280 pc=0x64e95f
gvisor.dev/gvisor/pkg/safemem.ReadFullToBlocks(0x13d84a0, 0xc00dc700a0, 0x7f539f749000, 0xffffffffffffffff, 0x0, 0x1c000, 0x0, 0x1c000, 0x0)
	pkg/safemem/io.go:54 +0xfe fp=0xc009ebb3c0 sp=0xc009ebb330 pc=0x64e7fe
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).AllocateAndFill(0xc000304000, 0x1c000, 0x1, 0x13d84a0, 0xc00dc700a0, 0x7f545cd0e000, 0xffffffffffffffff, 0x0, 0x1c000)
	pkg/sentry/pgalloc/pgalloc.go:504 +0x14a fp=0xc009ebb450 sp=0xc009ebb3c0 pc=0x870c2a
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc00bad0000, 0x13f6240, 0xc00baea000, 0xc00bad0080, 0x1, 0x705000, 0x706000, 0xc00b000101, 0x440940, 0xf95130, ...)
	pkg/sentry/mm/pma.go:343 +0x13dd fp=0xc009ebbb10 sp=0xc009ebb450 pc=0x9d232d
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc00bad0000, 0x13f6240, 0xc00baea000, 0xc00bad0080, 0x1, 0x705000, 0x706000, 0x101, 0xc00bad0080, 0x2, ...)
	pkg/sentry/mm/pma.go:119 +0xff fp=0xc009ebbbe0 sp=0xc009ebbb10 pc=0x9d06ff
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc00bad0000, 0x13f6240, 0xc00baea000, 0x705110, 0x1000101, 0x7f2a8eeb3a10, 0x0, 0x101)
	pkg/sentry/mm/syscalls.go:57 +0x1ca fp=0xc009ebbcb8 sp=0xc009ebbbe0 pc=0x9ecf4a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00baea000, 0x13d8900, 0x0)
	pkg/sentry/kernel/task_run.go:272 +0x106f fp=0xc009ebbf00 sp=0xc009ebbcb8 pc=0xa768ef
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00baea000, 0x59db)
	pkg/sentry/kernel/task_run.go:92 +0x309 fp=0xc009ebbfd0 sp=0xc009ebbf00 pc=0xa75139
runtime.goexit()
	src/runtime/asm_amd64.s:1357 +0x1 fp=0xc009ebbfd8 sp=0xc009ebbfd0 pc=0x463051
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:310 +0x19e