Hi Nginx devlist!
This patch fix use-of-uninitialized-value inside ngx_regex_module_init that
come after Nginx is run with Clang MSAN
SUMMARY: MemorySanitizer: use-of-uninitialized-value
/workspace/nginx/src/core/ngx_regex.c:343:13 in ngx_regex_module_init
==45705==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x13cc4df in ngx_regex_module_init
/workspace/nginx/src/core/ngx_regex.c:343:13
#1 0x126187b in ngx_init_modules
/workspace/nginx/src/core/ngx_module.c:72:17
#2 0x122d30e in ngx_init_cycle /workspace/nginx/src/core/ngx_cycle.c:625:9
#3 0x10f2189 in main /workspace/nginx/src/core/nginx.c:291:13
#4 0x109d10a in _start /usr/src/lib/csu/amd64/crt1.c:76:7
Apologizes for lack of HG style patch. Hopefully standard diff will be good
enough for such a small change.
diff --git a/src/core/ngx_regex.c b/src/core/ngx_regex.c
index 52169f65..35cf8fd5 100644
--- a/src/core/ngx_regex.c
+++ b/src/core/ngx_regex.c
@@ -293,6 +293,7 @@ ngx_regex_module_init(ngx_cycle_t *cycle)
ngx_regex_elt_t *elts;
opt = 0;
+ errstr = NULL;
#if (NGX_HAVE_PCRE_JIT)
{
--
2.24.1
Thanks
Maciej_______________________________________________
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