Hi Team, Jemalloc library is hitting Segmentation fault on CentOS-7
With debug library Segmentation fault issue triggering with simple `ls` command. $ export LD_PRELOAD=/usr/lib/debug/usr/lib64/libjemalloc.so.1.debug $ ls Segmentation fault (core dumped) $ Also seeing a segmentation fault issue (same issue?) with non-debug jemalloc $ export LD_PRELOAD=/usr/lib64/libjemalloc.so.1 $ ./bin/mysqld --version Segmentation fault (core dumped) $ gdb ./bin/mysqld core.11345.mysqld.11 [..] (gdb) bt +bt #0 0x00007f1c21fa5964 in get_nprocs () from /lib64/libc.so.6 #1 0x00007f1c21f70b0c in sysconf () from /lib64/libc.so.6 #2 0x00007f1c26efebd0 in malloc_ncpus () at src/jemalloc.c:256 #3 malloc_init_hard () at src/jemalloc.c:776 #4 0x00007f1c26f01705 in malloc_init () at src/jemalloc.c:292 #5 calloc (num=1, size=32) at src/jemalloc.c:1123 #6 0x00007f1c22eb1690 in _dlerror_run () from /lib64/libdl.so.2 #7 0x00007f1c22eb1198 in dlsym () from /lib64/libdl.so.2 #8 0x00007f1c23f88fec in ?? () from /lib64/libasan.so.0 #9 0x00007f1c23f7b2c9 in ?? () from /lib64/libasan.so.0 #10 0x00007f1c23f7d91b in __asan_init_v1 () from /lib64/libasan.so.0 #11 0x00007f1c271426c3 in _dl_init_internal () from /lib64/ld-linux-x86-64.so.2 #12 0x00007f1c2713445a in _dl_start_user () from /lib64/ld-linux-x86-64.so.2 #13 0x0000000000000002 in ?? () #14 0x00007fff9d552740 in ?? () #15 0x00007fff9d55274d in ?? () #16 0x0000000000000000 in ?? () (gdb) -- Best Regards, *Ramesh*
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