authorgravatar for marc@tiehu.isMarc Tiehuis <marc@tiehu.is> 2025-05-16 19:27:21+12:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-05-16 15:28:20+02:00
log224e39316f16c5cef4856d67ce9bc947b2f1f408
tree902810d7b8094d71f1e3224b4b3e4b9026fb16bc
parentcc1475c91da6005d72192b426e8b9ec6db7a3f74

std.hash.Wyhash: fix dangling stack pointer

Closes #23895.

1 files changed, 1 insertions(+), 1 deletions(-)

lib/std/hash/wyhash.zig+1-1
...@@ -73,8 +73,8 @@ pub const Wyhash = struct {...@@ -73,8 +73,8 @@ pub const Wyhash = struct {
73 newSelf.smallKey(input);73 newSelf.smallKey(input);
74 } else {74 } else {
75 var offset: usize = 0;75 var offset: usize = 0;
76 var scratch: [16]u8 = undefined;
76 if (self.buf_len < 16) {77 if (self.buf_len < 16) {
77 var scratch: [16]u8 = undefined;
78 const rem = 16 - self.buf_len;78 const rem = 16 - self.buf_len;
79 @memcpy(scratch[0..rem], self.buf[self.buf.len - rem ..][0..rem]);79 @memcpy(scratch[0..rem], self.buf[self.buf.len - rem ..][0..rem]);
80 @memcpy(scratch[rem..][0..self.buf_len], self.buf[0..self.buf_len]);80 @memcpy(scratch[rem..][0..self.buf_len], self.buf[0..self.buf_len]);