https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115760
Bug ID: 115760
Summary: FPE on unknown address check missing
Product: gcc
Version: 13.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: bic60176 at gmail dot com
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
Created attachment 58573
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58573&action=edit
testcase
OS: Ubuntu 22.04.3 LTS
We found that ASAN failed to catch FPE errors when compiling with gcc-12.3.0,
gcc-13.2.0.
$ ../compiler-builds/gcc-13.2.0_build/bin/gcc -fsanitize=undefined
-fsanitize=address -g -lgcc_s -I/home/csmith/include/csmith-2.3.0 -O0
testcase.c -o exec
$ timeout 1s ./exec 2>exec.err
0
$ cat exec.err
$ ../compiler-builds/gcc-11.4.0_build/bin/gcc -fsanitize=undefined
-fsanitize=address -g -lgcc_s -I/home/csmith/include/csmith-2.3.0 -O0
testcase.c -o exec
$ timeout 1s ./exec 2>exec.err
-1
$ cat exec.err
testcase.c:4:29: runtime error: division by zero AddressSanitizer:DEADLYSIGNAL
=================================================================
==1406571==ERROR: AddressSanitizer: FPE on unknown address 0x0000004011b5 (pc
0x0000004011b5 bp 0x7ffe40121300 sp 0x7ffe401212e0 T0) #0 0x4011b5 in main
testcase.c:4 #1 0x75fcf2e29d8f in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58 #2 0x75fcf2e29e3f in
__libc_start_main_impl ../csu/libc-start.c:392 #3 0x4010b4 in _start
(./exec1+0x4010b4) AddressSanitizer can not provide additional info. SUMMARY:
AddressSanitizer: FPE testcase.c:4 in main ==1406571==ABORTING
