[#MDEV-31461] mariadb SIGSEGV when built with -DCLIENT_PLUGIN

If the dialog pluging is statically linked into the mariadb client app, it crashes when prompting for a password (-p),:

Program received signal SIGSEGV, Segmentation fault.

__memset_sse2_unaligned_erms () at ../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:252

252	../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S: No such file or directory.

(gdb) where

#0  __memset_sse2_unaligned_erms () at ../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:252

#1  0x00005555555d017e in get_password (file=0x555555b1a220, buffer=0x5555556addaf "my_strdup", length=-6240)

    at /home/tomd/mariadb/mariadb-11.0.2/libmariadb/libmariadb/get_password.c:59

#2  0x00005555555d0372 in get_tty_password (prompt=0x0, buffer=0x5555556addaf "my_strdup", length=-6240)

    at /home/tomd/mariadb/mariadb-11.0.2/libmariadb/libmariadb/get_password.c:162

#3  0x00005555555c03da in get_options (argc=1, argv=0x555555b19f90)

    at /home/tomd/mariadb/mariadb-11.0.2/client/mysql.cc:2138

#4  0x00005555555bebec in main (argc=7, argv=0x555555b19f88)

    at /home/tomd/mariadb/mariadb-11.0.2/client/mysql.cc:1267

libmariadb/plugins/auth/dialog.c calls get_tty_password with three arguments, intending the 3-argument function in libmariadb/libmariadb/get_password.c.

When statically linked, the identically named function in mysys/get_password.c apparently causes the problem.

If the get_tty_password function is renamed in both libmariadb/plugins/auth/dialog.c and libmariadb/libmariadb/get_password.c, the mariadb client works correctly.

[MDEV-31461] mariadb SIGSEGV when built with -DCLIENT_PLUGIN_DIALOG=STATIC Created: 2023-06-11 Updated: 2023-06-23 Resolved: 2023-06-23
Status:	Closed
Project:	MariaDB Server
Component/s:	Authentication and Privilege System
Affects Version/s:	11.0.2
Fix Version/s:	10.4.31, 10.5.22, 10.6.15, 10.9.8, 10.10.6, 10.11.5, 11.0.3

[MDEV-31461] mariadb SIGSEGV when built with -DCLIENT_PLUGIN_DIALOG=STATIC Created: 2023-06-11 Updated: 2023-06-23 Resolved: 2023-06-23