[llvm-objcopy] Add AMDGPU case to binary-output-target.test
Add test coverage for converting binary input to elf64-amdgpu format,
verifying the output has the correct format string, arch (amdgpu),
and machine type (EM_AMDGPU 0xE0). Follows the same pattern as all
other architectures in this test file.
[AMDGPU] Allow scalar operands in V_PK_LSHL_ADD_U64 (#212334)
Patch creates dummy source modifiers for this instruction to use
with OPSEL. Even though these do not support modifiers we can reuse
the same mechanics as with packed fp64 and other u64 to allow scalar
operands.
multimedia/moonshine: new port
Moonshine is a self-hosted game streaming host compatible with the Moonlight
client, an open alternative to Sunshine/GameStream.
benchmarks/imb: Fix P_Write_Shared segfault
With CHECK_RESULTS enabled, IMB-IO-openmpi P_Write_Shared crashes on
the first non-zero message size because IMB_chk_distr() uses reccnt,
while IMB_init_pointers() leaves it NULL for MPIIO builds.
Allocate the arrays needed for MPIIO builds.
PR: 296182
Reviewed by: thierry (mentor)
Approved by: thierry (mentor)
umtx: Do not make an exiting thread the owner of a PI mutex
Otherwise an assertion in umtx_thread_alloc()
(TAILQ_EMPTY(&uq->uq_pi_contested)) is violated.
This use of TDB_EXIT is hacky, but I cannot see another way to check for
an exiting thread without adding some more overhead to kern_thr_exit().
Fixes: 2a339d9e3dc1
Reported by: Maik Muench of Secfault Security
Reviewed by: kib
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D58447
kqueue: Add a helper macro for sleeping on in-flux knotes
Other in-flux operations are implemented by this set of macros, so we
should do the same for sleeping.
No functional change intended.
Reviewed by: kib
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D58443
ham/tfkiss: Update to 1.3.2
Upstream is now a maintained fork at https://github.com/kq6up/tfkiss.
The original site is gone and there had been no release since 1.2.4
in 2000.
Upstream changes since 1.2.4:
- 64-bit correctness. Fixed pointer truncation in call_to_ip() and
next_addr(), an incorrect socklen_t definition, inet_addr()
comparisons against -1 rather than INADDR_NONE, incorrect signal
handler signatures, an argument order bug in dump_ax25frame(), and
a missing return after a full routing table that permitted an
out-of-bounds write. Fixed an MBHEAD/MB struct size mismatch that
broke the firmware's buffer allocator on LP64 systems.
- All K&R function definitions converted to ANSI C prototypes.
Deprecated bzero() replaced with memset(). Unbounded string
operations replaced with bounded equivalents.
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proc: Copy the p_reapsubtree field explicitly during fork
p_reapsubtree lives in the p_startcopy/p_endcopy block of struct proc,
which is copied during fork without any synchronization. However, the
field is not stable except when the proctree lock is held, and indeed
may change if p1's reaper exits or explicitly releases its reaper
status. This state change can race with fork() and leave the child with
an incorrect p_reapsubtree field.
Close the race: explicitly copy the field under the proctree lock during
fork.
Reported by: syzkaller
Reviewed by: kib
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D58482
rpcinfo: Fix buffer overflows
Several functions were using sprintf() to write RPC server-controlled
data to a stack buffer. Adopt some minimal changes from NetBSD to avoid
the potential overflows.
Security: CVE-2026-16277
Security: CVE-2026-16461
Reviewed by: khorben
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D58441
libfetch: Fix handling of connection failures
After commit 848f360c8f9a, if one tries to connect to a closed port,
fetch reports "Operation now in progress", which is rather confusing.
Return a more useful error message, restoring the old behaviour.
Fixes: 848f360c8f9a ("libfetch: Apply timeout to connection attempts")
Reviewed by: des
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D58481
[flang-rt][cuda] Keep CUFDeviceIsActive working under runtime/driver skew (#212320)
Resolve cuDevicePrimaryCtxGetState via the installed driver version, and
prefer running scope-exit cleanup when the probe cannot prove teardown,
so local device allocations are not leaked when the unversioned lookup
fails.
[clang] Fix record alignment lost via external layout on Arm64 (#212362)
An external layout source (such as LLDB reading DWARF) supplies a
record's final alignment directly, since `alignas` / `__declspec(align)`
attributes are not recoverable from debug info. `finalizeLayout`
captured `NonRequiredAlignment` before applying the external alignment,
so an externally laid out record published a stale, too-small value.
On Arm64 this field is used to fold a base's alignment into the derived
record, so a derived class picked up the stale value instead of the
base's actual alignment. This regressed
`lldb/test/API/lang/cpp/alignas_base_class` when #210461 was merged,
where `alignof(Derived)` evaluated to 1 instead of 8. Other targets were
unaffected as they do not read this field.
Treat all of an externally supplied alignment as non-required, as there
is no way to tell how much of it was imposed by an alignment attribute.
sysctl(9): Booleans: Fix old value length discovery
When calling sysctl(3) with a null 'oldp', i.e., length discovery mode,
'oldix' can be equal to 'oldlen', and we should not fail.
More generally, let SYSCTL_OUT() and SYSCTL_IN() handle corner cases,
simply removing the comparisons between 'oldidx' and 'oldlen' and
'newidx' and 'newlen' done by hand as the test just after is an equality
that does not require to know if 'idx' is smaller than 'len'.
PR: 292917
Reported by: cy
Fixes: 406da392ef8d ("sysctl(9): Booleans: Accept integers to ease knob conversion")
Sponsored by: The FreeBSD Foundation
(cherry picked from commit 895e1c6567d9561c86f8d20b47e924911bce989e)
[MLIR] Allow recovering from semi-affine sets in FlatLinearValueConstraints
The IntegerSet constructor of FlatLinearValueConstraints asserts when
flattening fails, which happens for semi-affine integer sets. Since the
failure is signalled from inside a constructor, callers have no way to
detect the unsupported case ahead of time and no way to work around it;
they simply crash.
Make that constructor protected and expose the construction through
`FlatLinearValueConstraints::create` (and the corresponding
`FlatAffineValueConstraints::create`), which returns a `FailureOr` and
so lets callers handle a semi-affine set gracefully.
Existing in-tree users are updated: `addAffineIfOpDomain` keeps asserting
as before, and `simplifyIntegerSet` now returns the set unchanged instead
of asserting, since a semi-affine set simply cannot be simplified this way.
[VPlan] Add vputils::getEarlyExits helper (NFC) (#212348)
Both handleUncountableEarlyExits and the countable early-exit disconnect
in handleEarlyExits walk all exit blocks and skip predecessors coming
from the middle block to find the early exiting blocks.
Factor that walk out into vputils::getEarlyExits, returning the (early
exiting block, exit block) pairs.
[CI] Add documentation for self-hosted runners (#211622)
This patch adds (work in progress) documentation for the various
self-hosted runner groups we have access to in the LLVM monorepo.
[MLIR] Allow recovering from semi-affine sets in FlatLinearValueConst… (#212346)
…raints
The IntegerSet constructor of FlatLinearValueConstraints asserts when
flattening fails, which happens for semi-affine integer sets. Since the
failure is signalled from inside a constructor, callers have no way to
detect the unsupported case ahead of time and no way to work around it;
they simply crash.
Add an optional `bool *error` parameter to the constructor. When it is
non-null, hitting the unimplemented case sets `*error` to true and
returns instead of asserting, letting callers bail out gracefully.
`*error` is set to false on success. When the pointer is null the
previous assert behavior is retained, so existing callers are
unaffected.
AMDGPU: Handle more TargetParser queries in tablegen
Previously we had various enum switches. Start generated tables
indexed by enums. Avoid some special cases by defining the dummy
"generic" and "generic-hsa" targets as real processors.
Co-authored-by: Claude (Claude-Opus-4.8)
AMDGPU: Generate TargetParser table from TableGen
Migrate .def file to tablegen. The initial TargetParser
AMDGPU backend only handled R600. Extend to modern targets.
Stub out some tablegen definitions which will be used in future
changes.
Co-authored-by: Claude (Claude-Opus-4.8)
[SimplifyCFG] Do not thread branches into uncontrolled convergent regions
SimplifyCFG's foldCondBranchOnValueKnownInPredecessor can thread an edge past
a block that acts as a reconvergence point. If the threaded destination reaches
an uncontrolled convergent operation before returning to the threaded-through
block, the transform can change which dynamic instance of the convergent
operation is executed.
Add a conservative destination scan for this fold and skip the threading
candidate when it can reach an uncontrolled convergent call before returning
to the original block. Controlled convergent operations using convergence
control tokens are left alone.
Fixes ROCM-26496.
