[llvm-bugs] [Bug 48822] New: HWASAN OOMs on compilation of redis

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jan 20 11:05:47 PST 2021


            Bug ID: 48822
           Summary: HWASAN OOMs on compilation of redis
           Product: compiler-rt
           Version: 11.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: hwasan
          Assignee: unassignedbugs at nondot.org
          Reporter: a.saoutkin at gmail.com
                CC: llvm-bugs at lists.llvm.org

On compilation of redis, HWASAN OOMS, with RAM steadily but quickly increasing
until oom_reaper is called.

To replicate:
1. git clone --depth 1 --branch 6.0.9 <https://github.com/redis/redis.git
2. cd redis
3. make CC=clang CXX=clang++ CFLAGS="-fsanitize=hwaddress
-fno-omit-frame-pointer" LDFLAGS="-fsanitize=hwaddress" MALLOC=libc

Environment (in QEMU):
Operating System: openSUSE Tumbleweed 20201108 JeOS
Kernel Version (custom built): 5.10-rc3

Other Notes:
The balooning RAM usage always happens after "CC redis-benchmark.o" is

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