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-3]: fork/exec /syzkaller/managers/ptrace-direct-overlay-host/current/image: cannot allocate memory[signal SIGBUS: bus error code=0x2 addr=0x7f43d26be000 pc=0x4610e8]

goroutine 140398 [running]:
runtime.throw(0xdc5a9a, 0x5)
	GOROOT/src/runtime/panic.go:774 +0x72 fp=0xc0012414c8 sp=0xc001241498 pc=0x42f1b2
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:391 +0x455 fp=0xc0012414f8 sp=0xc0012414c8 pc=0x4450e5
runtime.memmove(0x7f43d26a7000, 0x7f43d21c8000, 0xf5000)
	src/runtime/memmove_amd64.s:366 +0x438 fp=0xc001241500 sp=0xc0012414f8 pc=0x4610e8
gvisor.dev/gvisor/pkg/safemem.Copy(0x7f43d26a7000, 0xf5000, 0x0, 0x7f43d21c8000, 0xf5000, 0xf5000, 0x0, 0x26f7000, 0xc001241600)
	pkg/safemem/block_unsafe.go:199 +0x340 fp=0xc0012415b0 sp=0xc001241500 pc=0x59c350
gvisor.dev/gvisor/pkg/safemem.CopySeq(0x7f43d26a7000, 0xffffffffffffffff, 0x0, 0xf5000, 0x7f43d21c8000, 0xffffffffffffffff, 0x0, 0xf5000, 0xc001241718, 0x0, ...)
	pkg/safemem/seq_unsafe.go:277 +0x27d fp=0xc001241680 sp=0xc0012415b0 pc=0x59f12d
gvisor.dev/gvisor/pkg/safemem.(*BlockSeqReader).ReadToBlocks(0xc001362620, 0x7f43d26a7000, 0xffffffffffffffff, 0x0, 0xf5000, 0xc00031a020, 0x40c2e4, 0xc001362620)
	pkg/safemem/io.go:86 +0x84 fp=0xc001241700 sp=0xc001241680 pc=0x59ca74
gvisor.dev/gvisor/pkg/safemem.ReadFullToBlocks(0xeec2e0, 0xc001362620, 0x7f43d26a7000, 0xffffffffffffffff, 0x0, 0xf5000, 0x0, 0xf5000, 0x0)
	pkg/safemem/io.go:54 +0xe4 fp=0xc001241780 sp=0xc001241700 pc=0x59c984
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).AllocateAndFill(0xc00031a000, 0xf5000, 0x1, 0xeec2e0, 0xc001362620, 0x7f43d21c8000, 0xffffffffffffffff, 0x0, 0xf5000)
	pkg/sentry/pgalloc/pgalloc.go:504 +0xfe fp=0xc001241808 sp=0xc001241780 pc=0x6f6c5e
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc000f0c000, 0xf0a3e0, 0xc00074d500, 0xc000f0c080, 0x7, 0x7fe51e8f4000, 0x7fe51e8f5000, 0x101, 0xf055e0, 0xc001241d30, ...)
	pkg/sentry/mm/pma.go:343 +0xbae fp=0xc001241c80 sp=0xc001241808 pc=0x7d346e
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc000f0c000, 0xf0a3e0, 0xc00074d500, 0xc000f0c080, 0x7, 0x7fe51e8f4000, 0x7fe51e8f5000, 0x101, 0xc000f0c080, 0x8, ...)
	pkg/sentry/mm/pma.go:119 +0xe9 fp=0xc001241d40 sp=0xc001241c80 pc=0x7d2209
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000f0c000, 0xf0a3e0, 0xc00074d500, 0x7fe51e8f4ce8, 0x1000101, 0x7fe51e8f4cf0, 0x0, 0x101)
	pkg/sentry/mm/syscalls.go:57 +0x1ab fp=0xc001241e08 sp=0xc001241d40 pc=0x7e4c9b
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00074d500, 0xeec740, 0x0)
	pkg/sentry/kernel/task_run.go:272 +0xa35 fp=0xc001241f40 sp=0xc001241e08 pc=0x83d765
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00074d500, 0x62a1)
	pkg/sentry/kernel/task_run.go:92 +0x1bb fp=0xc001241fd0 sp=0xc001241f40 pc=0x83c84b
runtime.goexit()
	src/runtime/asm_amd64.s:1357 +0x1 fp=0xc001241fd8 sp=0xc001241fd0 pc=0x45faf1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:310 +0xfe