[llvm-bugs] [Bug 51847] New: 13.0.0-rc3 regression: GWP-ASan-i386 :: backtrace.c failure (segv?)
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Sep 14 07:00:12 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=51847
Bug ID: 51847
Summary: 13.0.0-rc3 regression: GWP-ASan-i386 :: backtrace.c
failure (segv?)
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedbugs at nondot.org
Reporter: mgorny at gentoo.org
CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org
Blocks: 51236
I'm getting the following test failure with 13.0.0-rc3. I've just tested and
the same test is passing with rc2.
FAIL: GWP-ASan-i386 :: backtrace.c (2850 of 8284)
******************** TEST 'GWP-ASan-i386 :: backtrace.c' FAILED
********************
Script:
--
: 'RUN: at line 2';
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/lib/llvm/13/bin/clang
-m32 -rdynamic -pthread -Wl,--whole-archive
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/lib/clang/13.0.0/lib/linux/libclang_rt.scudo_standalone-i386.a
-Wl,--no-whole-archive -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c
-g -o
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp
: 'RUN: at line 3'; not --crash
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp
2>&1 | FileCheck
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c
: 'RUN: at line 7';
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/lib/llvm/13/bin/clang
-m32 -rdynamic -pthread -Wl,--whole-archive
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/lib/clang/13.0.0/lib/linux/libclang_rt.scudo_standalone-i386.a
-Wl,--no-whole-archive -fomit-frame-pointer -momit-leaf-frame-pointer
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c
-g -o
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp
: 'RUN: at line 8'; not --crash
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp
--
Exit Code: 1
Command Output (stderr):
--
+ : 'RUN: at line 2'
+
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/lib/llvm/13/bin/clang
-m32 -rdynamic -pthread -Wl,--whole-archive
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/lib/clang/13.0.0/lib/linux/libclang_rt.scudo_standalone-i386.a
-Wl,--no-whole-archive -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c
-g -o
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp
+ : 'RUN: at line 3'
+ not --crash
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp
+ FileCheck
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c:26:11:
error: CHECK: expected string not found in input
// CHECK: free_mem
^
<stdin>:10:27: note: scanning from here
0xf7f52000 was deallocated by thread 345976 here:
^
<stdin>:25:6: note: possible intended match here
error: Segmentation fault (core dumped)
^
Input file: <stdin>
Check file:
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt/test/gwp_asan/backtrace.c
-dump-input=help explains the following input dump.
Input was:
<<<<<<
.
.
.
5: #2 linux-gate.so.1(__kernel_rt_sigreturn+0) [0xf7f78570]
6: #3
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp(touch_mem+0xa)
[0x805379a]
7: #4
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp(main+0x3f)
[0x80537ef]
8: #5 /lib/libc.so.6(__libc_start_main+0xe5) [0xf7d31925]
9:
10: 0xf7f52000 was deallocated by thread 345976 here:
check:26'0 X~~~~~~~~~~~~~~~~~~~~~~~ error: no
match found
11: #0
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x804ae4f]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
12: #1
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x80494dd]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
13: #2
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x804aa18]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
14: #3
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x804eb0a]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
15: #4
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp(main+0x34)
[0x80537e4]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.
.
.
20: #1
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x80494dd]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
21: #2
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x804a7a4]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22: #3
/var/tmp/portage/sys-libs/compiler-rt-sanitizers-13.0.0_rc3/work/compiler-rt_build/test/gwp_asan/I386LinuxConfig/Output/backtrace.c.tmp()
[0x804e8d9]
check:26'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23:
check:26'0 ~
24: *** End GWP-ASan report ***
check:26'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
25: error: Segmentation fault (core dumped)
check:26'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:26'1 ? possible intended match
>>>>>>
--
********************
Referenced Bugs:
https://bugs.llvm.org/show_bug.cgi?id=51236
[Bug 51236] [meta] 13.0.0 Release Blockers
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