From cc398f47467c5f7a879c9d2dd2b70d099e7deffb Mon Sep 17 00:00:00 2001
From: Emil <emilwilliams@tuta.io>
Date: Tue, 10 Oct 2023 03:41:17 +0000
Subject: [PATCH] MAP_FAILED overwrite unexpected in usecase

---
 baked-nobloat.c | 14 +-------------
 baked.c         |  2 --
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/baked-nobloat.c b/baked-nobloat.c
index da671c5..85af899 100644
--- a/baked-nobloat.c
+++ b/baked-nobloat.c
@@ -44,8 +44,6 @@ map(const char * fn, size_t * len)
     {
       *len = s.st_size;
       addr = mmap(NULL, s.st_size, PROT_READ, MAP_SHARED, fd, 0);
-      if (addr == MAP_FAILED)
-      { addr = NULL; }
     }
     close(fd);
   }
@@ -76,17 +74,7 @@ find_region(const char * fn, const char * start, const char * stop)
     if ((pb = find(start, addr, len, strlen(start))))
     {
       pb += strlen(start);
-      pe = find(stop, pb, len - (pb - addr), strlen(stop));
-      if (!pe)
-      {
-        pe = pb;
-        while (*pe && *pe != '\n')
-        {
-          if (pe[0] == '\\' && pe[1] == '\n')
-          { pe += 2; }
-          ++pe;
-        }
-      }
+      pe  = find(stop, pb, len - (pb - addr), strlen(stop));
       if (pe)
       { buf = strndup(pb, (pe - addr) - (pb - addr)); }
     }
diff --git a/baked.c b/baked.c
index d2f93bb..5f87522 100644
--- a/baked.c
+++ b/baked.c
@@ -62,8 +62,6 @@ map(const char * fn, size_t * len)
     {
       *len = s.st_size;
       addr = mmap(NULL, s.st_size, PROT_READ, MAP_SHARED, fd, 0);
-      if (addr == MAP_FAILED)
-      { addr = NULL; }
     }
     close(fd);
   }
-- 
2.39.5