syzbot

panic: runtime error: integer divide by zero

goroutine 242 [running]:
panic({0x18e7e40, 0x26ccc50})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0005e51f0 sp=0xc0005e5130 pc=0x438397
runtime.panicdivide()
	GOROOT/src/runtime/panic.go:199 +0x45 fp=0xc0005e5210 sp=0xc0005e51f0 pc=0x436ce5
gvisor.dev/gvisor/pkg/sentry/fsimpl/iouringfs.(*FileDescription).ProcessSubmissions(0xc000bf4000, 0x700d, 0x0?, 0x0?)
	pkg/sentry/fsimpl/iouringfs/iouringfs.go:353 +0x83e fp=0xc0005e54a8 sp=0xc0005e5210 pc=0x122705e
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.IOUringEnter(0xc00055aa80, {{0x3}, {0x700d}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/iouringfs.go:115 +0x288 fp=0xc0005e55b0 sp=0xc0005e54a8 pc=0x1247fe8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00055aa80, 0x1aa, {{0x3}, {0x700d}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc0005e59f8 sp=0xc0005e55b0 pc=0xdb6078
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00055aa80, 0x1?, {{0x3}, {0x700d}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc0005e5a98 sp=0xc0005e59f8 pc=0xdb820e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005ca0f0?, 0x46fdec?, {{0x3}, {0x700d}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc0005e5b10 sp=0xc0005e5a98 pc=0xdb7ae5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00055aa80)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc0005e5c38 sp=0xc0005e5b10 pc=0xdb75db
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00055aa80?, 0xc00055aa80)
	pkg/sentry/kernel/task_run.go:253 +0x1e2b fp=0xc0005e5ec0 sp=0xc0005e5c38 pc=0xda0b6b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00055aa80, 0xf)
	pkg/sentry/kernel/task_run.go:94 +0x2c2 fp=0xc0005e5fb0 sp=0xc0005e5ec0 pc=0xd9e382
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:380 +0x48 fp=0xc0005e5fe0 sp=0xc0005e5fb0 pc=0xdb3788
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0005e5fe8 sp=0xc0005e5fe0 pc=0x46e1c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:380 +0x1d0