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| author | Alistair Francis <alistair.francis@wdc.com> | 2020-11-03 11:48:44 -0800 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2020-11-04 22:27:03 +0100 |
| commit | e4ce178b6153205c2e17a9b719287c83e1e67a72 (patch) | |
| tree | d665cc6d7f405c165e1367b62a34525f03a4d841 /linux-user/syscall.c | |
| parent | 36d2dbc72df682df49c94a7a55f1e483f4f029a2 (diff) | |
| download | focaccia-qemu-e4ce178b6153205c2e17a9b719287c83e1e67a72.tar.gz focaccia-qemu-e4ce178b6153205c2e17a9b719287c83e1e67a72.zip | |
linux-user/syscall: Fix missing target_to_host_timespec64() check
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>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 6fef8181e7..3160a9ba06 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7592,7 +7592,9 @@ static int do_futex_time64(target_ulong uaddr, int op, int val, target_ulong tim case FUTEX_WAIT_BITSET: if (timeout) { pts = &ts; - target_to_host_timespec64(pts, timeout); + if (target_to_host_timespec64(pts, timeout)) { + return -TARGET_EFAULT; + } } else { pts = NULL; } |