[llvm-bugs] [Bug 50448] New: Applications built with address sanitizer crashing with glibc trunk/2.34
via llvm-bugs
llvm-bugs at lists.llvm.org
Sat May 22 21:09:52 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50448
Bug ID: 50448
Summary: Applications built with address sanitizer crashing
with glibc trunk/2.34
Product: compiler-rt
Version: unspecified
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: asan
Assignee: unassignedbugs at nondot.org
Reporter: raj.khem at gmail.com
CC: llvm-bugs at lists.llvm.org
Simple hello world is also crashing when asan is enabled, like below
#0 0x0000000000000000 in ?? ()
#1 0x00007ffff7db8488 in __dlsym (handle=<optimized out>, name=<optimized
out>) at dlsym.c:68
#2 0x00005555555fb9f4 in GetFuncAddr () at
/mnt/b/yoe/master/build/tmp/work-shared/llvm-project-source-13.0.0-r0/git/compiler-rt/lib/interception/interception_linux.cpp:42
#3 InterceptFunction () at
/mnt/b/yoe/master/build/tmp/work-shared/llvm-project-source-13.0.0-r0/git/compiler-rt/lib/interception/interception_linux.cpp:61
#4 0x00005555555dcdae in InitializeCommonInterceptors ()
at
/mnt/b/yoe/master/build/tmp/work-shared/llvm-project-source-13.0.0-r0/git/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:10060
#5 0x00005555555dc5fa in InitializeAsanInterceptors () at
/mnt/b/yoe/master/build/tmp/work-shared/llvm-project-source-13.0.0-r0/git/compiler-rt/lib/asan/asan_interceptors.cpp:619
#6 0x00005555555f73b8 in AsanInitInternal () at
/mnt/b/yoe/master/build/tmp/work-shared/llvm-project-source-13.0.0-r0/git/compiler-rt/lib/asan/asan_rtl.cpp:442
#7 0x00007ffff7fdb2ce in _dl_init (main_map=0x7ffff7ffe1e0, argc=1,
argv=0x7fffffffece8, env=0x7fffffffecf8) at dl-init.c:102
#8 0x00007ffff7fcc0ca in _dl_start_user () at rtld.c:43
#9 0x0000000000000001 in ?? ()
#10 0x00007fffffffeed6 in ?? ()
#11 0x0000000000000000 in ?? ()
This is happening after glibc Added _SC_MINSIGSTKSZ/_SC_SIGSTKSZ sysconfs
see below glibc commit which is causing this.
https://sourceware.org/git/?p=glibc.git;a=commit;h=6c57d320484988e87e446e2e60ce42816bf51d53
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