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Auto merge of #93351 - anp:fuchsia-remove-dir-all, r=tmandry

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Bump libc and fix remove_dir_all on Fuchsia after CVE fix

With the previous `is_dir` impl, we would attempt to unlink
a directory in the None branch, but Fuchsia supports returning
ENOTEMPTY from unlinkat() without the AT_REMOVEDIR flag because
we don't currently differentiate unlinking files and directories
by default.

On the Fuchsia side I've opened https://fxbug.dev/92273 to discuss
whether this is the correct behavior, but it doesn't seem like
addressing the error code is necessary to make our tests happy.

Depends on https://github.com/rust-lang/libc/pull/2654 since we
apparently haven't needed to reference DT_UNKNOWN before this.
This commit is contained in:
bors 2022-01-29 09:01:01 +00:00
commit ca43894e0e
3 changed files with 3 additions and 5 deletions
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4
Cargo.lock
View File

@ -1986,9 +1986,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
[[package]]
name = "libc"
version = "0.2.108"
version = "0.2.116"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
checksum = "565dbd88872dbe4cc8a46e527f26483c1d1f7afa6b884a3bd6cd893d4f98da74"
dependencies = [
"rustc-std-workspace-core",
]

2
library/std/Cargo.toml
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@ -15,7 +15,7 @@ cfg-if = { version = "0.1.8", features = ['rustc-dep-of-std'] }
panic_unwind = { path = "../panic_unwind", optional = true }
panic_abort = { path = "../panic_abort" }
core = { path = "../core" }
libc = { version = "0.2.108", default-features = false, features = ['rustc-dep-of-std'] }
libc = { version = "0.2.116", default-features = false, features = ['rustc-dep-of-std'] }
compiler_builtins = { version = "0.1.66" }
profiler_builtins = { path = "../profiler_builtins", optional = true }
unwind = { path = "../unwind" }

2
library/std/src/sys/unix/fs.rs
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@ -1653,7 +1653,6 @@ mod remove_dir_impl {
target_os = "illumos",
target_os = "haiku",
target_os = "vxworks",
target_os = "fuchsia"
))]
fn is_dir(_ent: &DirEntry) -> Option<bool> {
None
@ -1664,7 +1663,6 @@ mod remove_dir_impl {
target_os = "illumos",
target_os = "haiku",
target_os = "vxworks",
target_os = "fuchsia"
)))]
fn is_dir(ent: &DirEntry) -> Option<bool> {
match ent.entry.d_type {