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Add check for negative timeval_t.sec in do_futimesat

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This commit is contained in:
Marsman1996
2024-09-23 10:53:07 +08:00
committed by Tate, Hongliang Tian
parent 179705a3fc
commit cbe85a1878
1 changed files with 7 additions and 1 deletions
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8
kernel/src/syscall/utimens.rs
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@ -189,7 +189,13 @@ fn do_futimesat(
) -> Result<SyscallReturn> {
let times = if timeval_ptr != 0 {
let (autime, mutime) = read_time_from_user::<timeval_t>(timeval_ptr, ctx)?;
if autime.usec >= 1000000 || autime.usec < 0 || mutime.usec >= 1000000 || mutime.usec < 0 {
if autime.usec >= 1000000
|| autime.usec < 0
|| autime.sec < 0
|| mutime.usec >= 1000000
|| mutime.usec < 0
|| mutime.sec < 0
{
return_errno_with_message!(Errno::EINVAL, "Invalid time");
}
let (autime, mutime) = (timespec_t::from(autime), timespec_t::from(mutime));