diff options
| author | edef <edef@unfathomable.blue> | 2022-02-08 01:40:23 +0000 |
|---|---|---|
| committer | edef <edef@unfathomable.blue> | 2022-02-08 02:32:05 +0000 |
| commit | f7422d4616a8a1deb4516ca5022f4df4bc58a017 (patch) | |
| tree | ec71a0f1831aa389fa0209be9e3c0f003d674017 /ripple/minitrace | |
| parent | 06aacbdde07209337c1faad0e0763d3c093400c6 (diff) | |
ripple/minitrace: ensure openat calls use AT_FDCWD only
Co-authored-by: V <v@unfathomable.blue> Change-Id: I32ca1947fc9278bdee1b0a8acdc8d5d66b61d736
Diffstat (limited to 'ripple/minitrace')
| -rw-r--r-- | ripple/minitrace/src/main.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/ripple/minitrace/src/main.rs b/ripple/minitrace/src/main.rs index f015bf9..5fa35da 100644 --- a/ripple/minitrace/src/main.rs +++ b/ripple/minitrace/src/main.rs @@ -1,4 +1,5 @@ // SPDX-FileCopyrightText: edef <edef@unfathomable.blue> +// SPDX-FileCopyrightText: V <v@unfathomable.blue> // SPDX-License-Identifier: OSL-3.0 use { @@ -13,7 +14,7 @@ use { }, unistd::Pid, }, - std::{env, os::unix::process::CommandExt, process::Command}, + std::{convert::TryInto, env, os::unix::process::CommandExt, process::Command}, }; // TODO(edef): consider implementing this in terms of TID? @@ -234,7 +235,14 @@ fn check_syscall(entry: SyscallEntry) -> bool { 231 => {} // openat - 257 => {} + 257 => { + let [dirfd, _pathname, _flags, _mode, _, _] = entry.args; + const AT_FDCWD: i32 = -100; + + if dirfd.try_into() == Ok(AT_FDCWD) { + return false; + } + } // newfstatat 262 => {} |