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aio: Return EINVAL if the number of events is negative.

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PiperOrigin-RevId: 202671065
Change-Id: I248b74544d47ddde9cd59d89aa6ccb7dad2b6f89
This commit is contained in:
Nicolas Lacasse
2018-06-29 10:47:38 -07:00
committed by Shentubot
parent f93bd2cbe6
commit 1b5e09f968
1 changed files with 5 additions and 1 deletions
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pkg/sentry/syscalls/linux/sys_aio.go
+5 -1
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@@ -132,7 +132,7 @@ func IoGetevents(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.S
timespecAddr := args[4].Pointer()
// Sanity check arguments.
if minEvents > events {
if minEvents < 0 || minEvents > events {
return 0, nil, syserror.EINVAL
}
@@ -359,6 +359,10 @@ func IoSubmit(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
nrEvents := args[1].Int()
addr := args[2].Pointer()
if nrEvents < 0 {
return 0, nil, syserror.EINVAL
}
for i := int32(0); i < nrEvents; i++ {
// Copy in the address.
cbAddrNative := t.Arch().Native(0)