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| author | mlugg <mlugg@mlugg.co.uk> | 2024-04-16 22:38:54 +0100 |
|---|---|---|
| committer | mlugg <mlugg@mlugg.co.uk> | 2024-04-17 13:41:26 +0100 |
| commit | 3c45a945285dff00d0eb8160342560bcb7d24cc5 (patch) | |
| tree | 14fe52e9fae68ad8853146e912422dff70e0c73e | |
| parent | 03ad862197d27fb079d16cabdf2026da23aa2653 (diff) | |
| download | zig-3c45a945285dff00d0eb8160342560bcb7d24cc5.tar.gz zig-3c45a945285dff00d0eb8160342560bcb7d24cc5.zip | |
Value: fix out-of-bounds slice access writing zero-bit undef value
I have no idea why this wasn't being hit on master before.
| -rw-r--r-- | src/Value.zig | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Value.zig b/src/Value.zig index 20674ff7d9..2e1a873867 100644 --- a/src/Value.zig +++ b/src/Value.zig @@ -469,7 +469,9 @@ pub fn writeToPackedMemory( const endian = target.cpu.arch.endian(); if (val.isUndef(mod)) { const bit_size: usize = @intCast(ty.bitSize(mod)); - std.mem.writeVarPackedInt(buffer, bit_offset, bit_size, @as(u1, 0), endian); + if (bit_size != 0) { + std.mem.writeVarPackedInt(buffer, bit_offset, bit_size, @as(u1, 0), endian); + } return; } switch (ty.zigTypeTag(mod)) { |