Bug Summary

File:deps/jemalloc/conftest.c
Warning:line 23, column 10
Potential leak of memory pointed to by 'arr'

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name conftest.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mthread-model posix -mframe-pointer=none -fmath-errno -fno-rounding-math -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -dwarf-column-info -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib/llvm-10/lib/clang/10.0.0 -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-10/lib/clang/10.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -Wno-format-zero-length -std=gnu99 -fdebug-compilation-dir /home/netto/Desktop/redis-6.2.1/deps/jemalloc -ferror-limit 19 -fmessage-length 0 -funroll-loops -fgnuc-version=4.2.1 -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -o /tmp/scan-build-2021-03-14-133648-8817-1 -x c conftest.c
1/* confdefs.h */
2#define PACKAGE_NAME"" ""
3#define PACKAGE_TARNAME"" ""
4#define PACKAGE_VERSION"" ""
5#define PACKAGE_STRING"" ""
6#define PACKAGE_BUGREPORT"" ""
7#define PACKAGE_URL"" ""
8#define JEMALLOC_HAS_RESTRICT1 1
9#define HAVE_CXX141 1
10/* end confdefs.h. */
11
12#include <stdlib.h>
13
14int
15main ()
16{
17
18 int *arr = (int *)malloc(sizeof(int) * 42);
1
Memory is allocated
19 if (arr == NULL((void*)0))
2
Assuming 'arr' is not equal to NULL
3
Taking false branch
20 return 1;
21
22 ;
23 return 0;
4
Potential leak of memory pointed to by 'arr'
24}