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linux-user/syscall: Fix missing target_to_host_timespec64() check

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Coverity pointed out (CID 1432339) that target_to_host_timespec64() can
fail with -TARGET_EFAULT but we never check the return value. This patch
checks the return value and handles the error.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <cad74fae734d2562746b94acd9c34b00081c89bf.1604432881.git.alistair.francis@wdc.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Alistair Francis 2020-11-03 11:48:44 -08:00 committed by Laurent Vivier
parent 36d2dbc72d
commit e4ce178b61
1 changed files with 3 additions and 1 deletions
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4
linux-user/syscall.c
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@ -7592,7 +7592,9 @@ static int do_futex_time64(target_ulong uaddr, int op, int val, target_ulong tim
case FUTEX_WAIT_BITSET: case FUTEX_WAIT_BITSET:
if (timeout) { if (timeout) {
pts = &ts; pts = &ts;
target_to_host_timespec64(pts, timeout); if (target_to_host_timespec64(pts, timeout)) {
return -TARGET_EFAULT;
}
} else { } else {
pts = NULL; pts = NULL;
} }