syzbot

fatal error: set memory region failed; out of slots

goroutine 73 [syscall]:
syscall.Syscall6(0x94499e?, 0xc0007332b0?, 0x77ffdb?, 0x0?, 0xc0007332c8?, 0x783366?, 0x0?)
	GOROOT/src/syscall/syscall_linux.go:91 +0x36 fp=0xc000733290 sp=0xc000733208 pc=0x484cf6
syscall.Syscall6(0x9, 0x0, 0x40000000, 0x3, 0x1, 0x74, 0xeb00000000)
	<autogenerated>:1 +0x45 fp=0xc0007332d8 sp=0xc000733290 pc=0x485745
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).getChunkMapping(0xc00027dc00, 0x3ac)
	pkg/sentry/pgalloc/pgalloc.go:858 +0x212 fp=0xc0007333c8 sp=0xc0007332d8 pc=0x783112
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).forEachMappingSlice(0xc00027dc00, {0x3?, 0x0?}, 0xc000733488)
	pkg/sentry/pgalloc/pgalloc.go:830 +0x135 fp=0xc000733440 sp=0xc0007333c8 pc=0x782dd5
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).MapInternal(0xc00027dc00?, {0x40000000, 0x2000000140001000}, {0x2a?, 0xdb?, 0x40?})
	pkg/sentry/pgalloc/pgalloc.go:815 +0x16b fp=0xc000733500 sp=0xc000733440 pc=0x7829cb
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).AllocateAndFill(0xc000550470?, 0x2000000100001000, 0x801ea7?, 0x1, {0x155f620, 0xc00056aed0})
	pkg/sentry/pgalloc/pgalloc.go:603 +0x91 fp=0xc0007335b0 sp=0xc000733500 pc=0x781691
gvisor.dev/gvisor/pkg/sentry/fsutil.(*FileRangeSet).Fill(0xc000352400?, {0x157ac80?, 0xc0007f6000}, {0x1?, 0x20000110?}, {0x20000100?, 0x1?}, 0x2000000100000001, 0xffffff9c?, 0x3, ...)
	pkg/sentry/fsutil/file_range_set.go:125 +0x245 fp=0xc000733670 sp=0xc0007335b0 pc=0x7a0d65
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Allocate(0xffffffffffffffff?, {0x157ac80, 0xc0007f6000}, 0x5f2680?, 0x0, 0x2000000100000001)
	pkg/sentry/fsimpl/tmpfs/regular_file.go:391 +0x2bd fp=0xc000733770 sp=0xc000733670 pc=0x85035d
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Allocate(0xc000560580, {0x157ac80, 0xc0007f6000}, 0xc000733810?, 0xa98005?, 0xc00054c690?)
	pkg/sentry/vfs/file_description.go:589 +0x48 fp=0xc0007337b0 sp=0xc000733770 pc=0x747608
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Fallocate(0xc0007f6000, 0xa0?, {{0x3}, {0x0}, {0x0}, {0x2000000100000001}, {0x7fba68029e78}, {0x7fba68029e78}})
	pkg/sentry/syscalls/linux/sys_file.go:1642 +0x2a5 fp=0xc000733868 sp=0xc0007337b0 pc=0xa859a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007f6000, 0x11d, {{0x3}, {0x0}, {0x0}, {0x2000000100000001}, {0x7fba68029e78}, {0x7fba68029e78}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc000733c58 sp=0xc000733868 pc=0x94fb95
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007f6000, 0x0?, {{0x3}, {0x0}, {0x0}, {0x2000000100000001}, {0x7fba68029e78}, {0x7fba68029e78}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc000733cb8 sp=0xc000733c58 pc=0x950dca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0003fe240?, 0xc000733e00?, {{0x3}, {0x0}, {0x0}, {0x2000000100000001}, {0x7fba68029e78}, {0x7fba68029e78}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000733d18 sp=0xc000733cb8 pc=0x950aa5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007f8000?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc000733e10 sp=0xc000733d18 pc=0x950810
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000560380?, 0xc0007f6000)
	pkg/sentry/kernel/task_run.go:269 +0x101e fp=0xc000733f48 sp=0xc000733e10 pc=0x94499e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007f6000, 0x8)
	pkg/sentry/kernel/task_run.go:98 +0x1f8 fp=0xc000733fc0 sp=0xc000733f48 pc=0x9432d8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc000733fe0 sp=0xc000733fc0 pc=0x94e38a
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000733fe8 sp=0xc000733fe0 pc=0x46d821
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef