segfault 11 when password is missing from url

[nagylzs]

Hello, this is on Ubuntu 18.04 LTS, Julia 1.4:

╰─$ julia
               _
   _       _ _(_)_     |  Documentation: https://docs.julialang.org
  (_)     | (_) (_)    |
   _ _   _| |_  __ _   |  Type "?" for help, "]?" for Pkg help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 1.4.1 (2020-04-14)
 _/ |\__'_|_|_|\__'_|  |  Official https://julialang.org/ release
|__/                   |

julia> import Mongoc

julia> const mongodb_url = "mongodb://[email protected]:27017/?authSource=admin"
"mongodb://[email protected]:27017/?authSource=admin"

julia> client = Mongoc.Client(mongodb_url)
Client(URI("mongodb://[email protected]:27017/?authSource=admin"))

julia> Mongoc.ping(client)

signal (11): Segmentation fault
in expression starting at REPL[4]:1
unknown function (ip: 0x7fc2bd33e5a1)
_mongoc_scram_step at /home/gandalf/.julia/packages/Mongoc/OxMdy/deps/usr/lib/libmongoc-1.0.so (unknown line)
_mongoc_cluster_auth_node_scram.isra.7 at /home/gandalf/.julia/packages/Mongoc/OxMdy/deps/usr/lib/libmongoc-1.0.so (unknown line)
_mongoc_cluster_auth_node at /home/gandalf/.julia/packages/Mongoc/OxMdy/deps/usr/lib/libmongoc-1.0.so (unknown line)
_mongoc_cluster_stream_for_server at /home/gandalf/.julia/packages/Mongoc/OxMdy/deps/usr/lib/libmongoc-1.0.so (unknown line)
_mongoc_client_command_with_opts at /home/gandalf/.julia/packages/Mongoc/OxMdy/deps/usr/lib/libmongoc-1.0.so (unknown line)
mongoc_database_command_simple at /home/gandalf/.julia/packages/Mongoc/OxMdy/deps/usr/lib/libmongoc-1.0.so (unknown line)
mongoc_database_command_simple at /home/gandalf/.julia/packages/Mongoc/OxMdy/src/c_api.jl:472 [inlined]
command_simple at /home/gandalf/.julia/packages/Mongoc/OxMdy/src/database.jl:30
ping at /home/gandalf/.julia/packages/Mongoc/OxMdy/src/client.jl:70
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2158 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1700 [inlined]
do_call at /buildworker/worker/package_linux64/build/src/interpreter.c:369
eval_value at /buildworker/worker/package_linux64/build/src/interpreter.c:458
eval_stmt_value at /buildworker/worker/package_linux64/build/src/interpreter.c:409 [inlined]
eval_body at /buildworker/worker/package_linux64/build/src/interpreter.c:817
jl_interpret_toplevel_thunk at /buildworker/worker/package_linux64/build/src/interpreter.c:911
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:814
jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:764
jl_toplevel_eval_in at /buildworker/worker/package_linux64/build/src/toplevel.c:843
eval at ./boot.jl:331
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2144 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
eval_user_input at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/REPL/src/REPL.jl:86
macro expansion at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/REPL/src/REPL.jl:118 [inlined]
#26 at ./task.jl:358
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2144 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1700 [inlined]
start_task at /buildworker/worker/package_linux64/build/src/task.c:687
unknown function (ip: (nil))
Allocations: 925200 (Pool: 924866; Big: 334); GC: 1
[1]    15530 segmentation fault (core dumped)  julia

[nagylzs]

The same URL and connection gives "A password is required" error with many other clients.