From 3744bd2004110f418e09f9e61ee195ba9c20dc5b Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sun, 31 May 2026 18:10:44 -0700
Subject: [PATCH] fix another case

---
 ...000000,time:1310,execs:717,op:quick,pos:97 | 31 +++++++++++++++++++
 test.zig                                      |  1 +
 yaml.zig                                      |  3 +-
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 fuzz/crashes/id:000000,sig:06,src:000000,time:1310,execs:717,op:quick,pos:97

diff --git a/fuzz/crashes/id:000000,sig:06,src:000000,time:1310,execs:717,op:quick,pos:97 b/fuzz/crashes/id:000000,sig:06,src:000000,time:1310,execs:717,op:quick,pos:97
new file mode 100644
index 0000000000000000000000000000000000000000..d01aa497fd17d3a07caa0d9064b6804130581e19
--- /dev/null
+++ b/fuzz/crashes/id:000000,sig:06,src:000000,time:1310,execs:717,op:quick,pos:97
@@ -0,0 +1,31 @@
+id: g982zq6e8wsvnmduerpbf8787hu85brugmngn8wf
+name: yaml
+main: yaml.zig
+license: MIT
+description: " Yaml parser built on top of libyaml
+dependencies:
+  - src: git https://github.com/yaml/libyaml tag-0.2.5
+    id: 8mdbh0zuneb0i3hs5jby5je0heem1i6yxusl7c8y8qx68hqc
+    license: MIT
+    c_include_dirs:
+      - include
+    c_source_flags:
+      - -DYAML_VERSION_MAJOR=0
+      - -DYAML_VERSION_MINOR=2
+      - -DYAML_VERSION_PATCH=5
+      - -DYAML_VERSION_STRING="0.2.5"
+      - -DYAML_DECLARE_STATIC=1
+    c_source_files:
+      - src/api.c
+      - src/dumper.c
+      - src/emitter.c
+      - src/loader.c
+      - src/parser.c
+      - src/reader.c
+      - src/scanner.c
+      - src/writer.c
+
+  - src: git https://github.com/nektro/zig-extras
+
+root_dependencies:
+  - src: git https://github.com/nektro/zig-expect
diff --git a/test.zig b/test.zig
index 6ca54a0ea74334e8194e7f12e30d630bdaffddf4..8823cb5baedfc45679a3c02db0a7b2621827b8d5 100644
--- a/test.zig
+++ b/test.zig
@@ -21,6 +21,7 @@ fn fuzzCase(embedfile_content: []const u8) void {
 // zig fmt: off
 test { fuzzCase(@embedFile("./fuzz/crashes/id:000000,sig:06,src:000000,time:2049,execs:911,op:quick,pos:263")); }
 test { fuzzCase(@embedFile("./fuzz/crashes/id:000000,sig:06,src:000000,time:6342,execs:4701,op:arith8,pos:55,val:+3")); }
+test { fuzzCase(@embedFile("./fuzz/crashes/id:000000,sig:06,src:000000,time:1310,execs:717,op:quick,pos:97")); }
 // zig fmt: on
 
 fn parseTest(comptime basename: [:0]const u8) !void {
diff --git a/yaml.zig b/yaml.zig
index 746ac3e4120156869986d6888b2c3e234c9bc390..cfe04ed8f6909d2f872ad92c08f40389581ea525 100644
--- a/yaml.zig
+++ b/yaml.zig
@@ -268,7 +268,7 @@ pub const Parser = struct {
 
 pub const Error =
     std.mem.Allocator.Error ||
-    error{ YamlUnexpectedToken, YamlEndOfStream };
+    error{ YamlUnexpectedToken, YamlEndOfStream, YamlInvalidMultilineString };
 
 fn parse_item(p: *Parser, start: ?Token) Error!Item {
     const tok = start orelse try p.next();
@@ -376,6 +376,7 @@ fn get_event_string(event: Token, p: *const Parser) ![:0]u8 {
     const lines = p.lines;
     if (sm.line != em.line) {
         const starter = lines[sm.line][sm.column..];
+        if (starter.len > 1 and starter[0] == '"') return error.YamlInvalidMultilineString;
         std.debug.assert(starter.len == 1);
         switch (starter[0]) {
             '|' => {
-- 
2.54.0