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4152 Commits

Author SHA1 Message Date
dylni
e8ee0b7b2b Expose Utf8Lossy as Utf8Chunks 2022-08-20 12:49:20 -04:00
Matthias Krüger
1e47e8a9ee Rollup merge of #100729 - thomcc:less-initialized, r=ChrisDenton 
Avoid zeroing a 1kb stack buffer on every call to `std::sys::windows::fill_utf16_buf`

I've also tried to be slightly more careful about integer overflows, although in practice this is likely still not handled ideally.

r? `@ChrisDenton`
 2022-08-20 07:09:04 +02:00
Matthias Krüger
368f08a65f Rollup merge of #100383 - fortanix:raoul/aepic_leak_mitigation, r=cuviper 
Mitigate stale data reads on SGX platform

Intel disclosed the Stale Data Read vulnerability yesterday. In order to mitigate this issue completely, reading userspace from an SGX enclave must be aligned and in 8-bytes chunks. This PR implements this mitigation

References:
 - https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00657.html
 - https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/stale-data-read-from-xapic.html

cc: ``@jethrogb``
 2022-08-20 07:08:58 +02:00
Chris Denton
625e7e9579 Use const instead of static 2022-08-20 04:15:47 +01:00
Chris Denton
efd305e0ec Simplify load/store 2022-08-20 04:15:46 +01:00
Thom Chiovoloni
f506656876 Align android sigaddset impl with the reference impl from Bionic 2022-08-19 16:02:48 -07:00
KaDiWa
a297631bdc use <[u8]>::escape_ascii instead of core::ascii::escape_default 2022-08-19 19:00:37 +02:00
Thom Chiovoloni
d4cba61099 Fix comment typo 2022-08-19 08:45:21 -07:00
Ralf Jung
fbcdf2a383 clarify lib.rs attribute structure 2022-08-18 18:07:39 -04:00
Ralf Jung
438e49c1cb silence some unused-fn warnings in miri std builds 2022-08-18 18:07:39 -04:00
Ralf Jung
8c8dc125b1 make many std tests work in Miri 2022-08-18 18:07:39 -04:00
Ralf Jung
27b0444333 add some Miri-only tests 2022-08-18 18:07:39 -04:00
Ralf Jung
ac66baad1a add miri-test-libstd support to libstd 2022-08-18 18:07:39 -04:00
Thom Chiovoloni
f50f8782fe Avoid zeroing a 1kb stack buffer on every call to std::sys::windows::fill_utf16_buf 2022-08-18 15:04:28 -07:00
Nick Cameron
ac70aea985 Address reviewer comments 
Signed-off-by: Nick Cameron <nrc@ncameron.org>
 2022-08-18 10:34:40 +01:00
Chris Denton
b631ca0c2f Windows: Load synch functions together 
Attempt to load all the required sync functions and fail if any one of them fails.

This reintroduces a macro for optional loading of functions but keeps it separate from the fallback macro rather than having that do two different jobs.
 2022-08-18 07:39:14 +01:00
Raoul Strackx
2a23d08aae Mitigate Stale Data Read for xAPIC vulnerability 
In order to mitigate the Stale Data Read for xAPIC vulnerability completely, reading userspace from an SGX enclave must be aligned and in 8-bytes chunks.

References:

 - https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00657.html
 - https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/stale-data-read-from-xapic.html
 2022-08-17 09:51:03 +02:00
Mohsen Zohrevandi
70dd980c8d Update fortanix-sgx-abi and export some useful SGX usercall traits 
Update fortanix-sgx-abi to 0.5.0 to add support for cancel queue (see
https://github.com/fortanix/rust-sgx/pull/405 and
https://github.com/fortanix/rust-sgx/pull/404).

Export some useful traits for processing SGX usercall. This is needed
for https://github.com/fortanix/rust-sgx/pull/404 to avoid duplication.
 2022-08-16 11:01:53 -07:00
Markus Reiter
44d62425b9 Simplify IpDisplayBuffer API. 2022-08-16 19:32:00 +02:00
Markus Reiter
31540f5e15 Use MaybeUninit<u8> for IpDisplayBuffer. 2022-08-16 18:12:06 +02:00
Markus Reiter
033e9d66ff Move IpDisplayBuffer into submodule. 2022-08-16 17:57:46 +02:00
Markus Reiter
5a11b814d4 Add IpDisplayBuffer helper struct. 2022-08-16 17:54:55 +02:00
Raoul Strackx
25de53f768 Refactor copying data to userspace 2022-08-16 15:01:18 +02:00
bors
3694b7d307 Auto merge of #100007 - ChrisDenton:dtor-inline-never, r=michaelwoerister 
Never inline Windows dtor access

Inlining can cause problem If used in a Rust dylib. See #44391.

r? `@Mark-Simulacrum`
 2022-08-15 23:57:44 +00:00
Orson Peters
a1e251024d Semicolon after macro_rules definition. 2022-08-15 12:33:00 +02:00
Orson Peters
85d5171dea Float biteq macros can be unused if test is skipped. 2022-08-15 12:33:00 +02:00
Orson Peters
18d61bfbf4 Skip next_up/down tests entirely on x87. 2022-08-15 12:33:00 +02:00
Orson Peters
fbe215af53 Conditionally do not compile NaN roundtrip tests on x87 fp. 2022-08-15 12:33:00 +02:00
Orson Peters
de757e8a98 Ensure NaN references values go through function boundary for next_up/down. 2022-08-15 12:33:00 +02:00
Orson Peters
3241bbcbc7 Fixed float next_up/down 32-bit x87 float NaN roundtrip test case. 2022-08-15 12:33:00 +02:00
Orson Peters
04681898f0 Added next_up and next_down for f32/f64. 2022-08-15 12:32:53 +02:00
Matthias Krüger
b8b3ead67a Rollup merge of #100249 - Meziu:master, r=joshtriplett 
Fix HorizonOS regression in FileTimes

The changes in #98246 caused a regression for multiple Newlib-based systems. This is just a fix including HorizonOS to the list of  targets which require a workaround.

``@AzureMarker`` ``@ian-h-chamberlain``
r? ``@nagisa``
 2022-08-14 20:16:00 +02:00
Jakub Dąbek
8509936e8f Add mention of BufReader in Read::bytes docs 2022-08-14 11:01:04 +02:00
Michael Goulet
ea42f3cfd7 Rollup merge of #100407 - RalfJung:no-int2ptr, r=Mark-Simulacrum 
avoid some int2ptr casts in thread_local_key tests
 2022-08-13 14:10:05 -07:00
Berend-Jan Lange
786e8755e7 created tcpstream quickack trait 
for linux and android
 2022-08-13 17:38:01 +02:00
Mark Rousskov
1c40ef70a1 Apply changes from rustfmt bump 2022-08-12 16:28:16 -04:00
Mark Rousskov
154a09dd91 Adjust cfgs 2022-08-12 16:28:15 -04:00
Dylan DPC
51eed00ca9 Rollup merge of #100030 - WaffleLapkin:nice_pointer_sis, r=scottmcm 
cleanup code w/ pointers in std a little

Use pointer methods (`byte_add`, `null_mut`, etc) to make code in std a little nicer.
 2022-08-12 20:39:10 +05:30
Dylan DPC
a8c799a6a0 Rollup merge of #100022 - joboet:faster_threadid, r=joshtriplett 
Optimize thread ID generation

By using atomics where available, thread IDs can be generated without locking while still enforcing uniqueness.
 2022-08-12 20:39:09 +05:30
bors
569788e47e Auto merge of #99624 - vincenzopalazzo:macros/unix_error, r=Amanieu 
promote debug_assert to assert when possible and useful

This PR fixed a very old issue https://github.com/rust-lang/rust/issues/94705 to clarify and improve the POSIX error checking, and some of the checks are skipped because can have no benefit, but I'm sure that this can open some interesting discussion.

Fixes https://github.com/rust-lang/rust/issues/94705

cc: `@tavianator`
cc: `@cuviper`
 2022-08-12 09:49:55 +00:00
Matthias Krüger
c7578b4e65 Rollup merge of #100418 - tbodt:stabilize-backtrace, r=dtolnay 
Add stability attributes to BacktraceStatus variants

Fixes #100399
 2022-08-11 22:53:10 +02:00
Matthias Krüger
bd64d67d11 Rollup merge of #100203 - compiler-errors:command-args-size-hint, r=m-ou-se 
provide correct size hint for unsupported platform `CommandArgs`

Split from https://github.com/rust-lang/rust/pull/99880#discussion_r932994172
 2022-08-11 22:53:04 +02:00
Matthias Krüger
6737549aaf Rollup merge of #99421 - Bryanskiy:android-crt-static, r=petrochenkov 
add crt-static for android
 2022-08-11 22:52:58 +02:00
Theodore Dubois
121fab0396 Add stability attributes to BacktraceStatus variants 
Fixes #100399
 2022-08-11 11:00:07 -07:00
Dylan DPC
a5b0f72e71 Rollup merge of #100287 - cuviper:no-linux-prctl, r=Mark-Simulacrum 
linux: Use `pthread_setname_np` instead of `prctl`

This function is available on Linux since glibc 2.12, musl 1.1.16, and
uClibc 1.0.20. The main advantage over `prctl` is that it properly
represents the pointer argument, rather than a multi-purpose `long`,
so we're better representing strict provenance (#95496).
 2022-08-11 22:47:02 +05:30
Ralf Jung
b5786dcae6 avoid some int2ptr casts in thread_local_key tests 2022-08-11 09:39:25 -04:00
bors
187654481f Auto merge of #100298 - BlackHoleFox:hashmap_keygen_cleanup, r=Mark-Simulacrum 
Replace pointer casting in hashmap_random_keys with safe code

The old code was unnecessarily unsafe and relied on the layout of tuples always being the same as an array of the same size (which might be bad with `-Z randomize-layout`)?

The replacement has [identical codegen](https://rust.godbolt.org/z/qxsvdb8nx), so it seems like a reasonable change.
 2022-08-11 02:46:32 +00:00
Vincenzo Palazzo
d91dff3c1b promote debug_assert to assert 
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
 2022-08-11 01:18:45 +00:00
Bryanskiy
874ee5bede add crt-static for android 2022-08-10 19:42:24 +03:00
joboet
3d21c371ef std: optimize thread ID generation 2022-08-10 16:56:09 +02:00