[Bug] [Unity] Error with 'munmap_chunk(): invalid pointer' when importing 'torch' after importing 'tvm'

[Thrsu]

I encountered an error when importing the 'torch' library in Python after importing 'tvm' previously. The error message displayed was "Error in `python': munmap_chunk(): invalid pointer: 0x00007f0c685b53f0". However, importing only 'tvm' without importing 'torch' beforehand or importing 'tvm' after importing 'torch' does not trigger the error.

Actual behavior

*** Error in `python': munmap_chunk(): invalid pointer: 0x00007f0c685b53f0 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777f5)[0x7f0d11a467f5]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x1a8)[0x7f0d11a536e8]
/usr/lib/x86_64-linux-gnu/libLLVM-8.so.1(+0x161dc4c)[0x7f0cfb469c4c]
/lib/x86_64-linux-gnu/libc.so.6(+0x3a008)[0x7f0d11a09008]
/lib/x86_64-linux-gnu/libc.so.6(+0x3a055)[0x7f0d11a09055]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf7)[0x7f0d119ef847]
python(+0x1c24db)[0x55a5a61814db]
======= Memory map: ========
55a5a5fbf000-55a5a601a000 r--p 00000000 fd:00 177515246                  /workplace/software/miniconda3/envs/torch_gpu/bin/python3.7
55a5a601a000-55a5a61af000 r-xp 0005b000 fd:00 177515246                  /workplace/software/miniconda3/envs/torch_gpu/bin/python3.7
55a5a61af000-55a5a624d000 r--p 001f0000 fd:00 177515246                  /workplace/software/miniconda3/envs/torch_gpu/bin/python3.7
55a5a624e000-55a5a6251000 r--p 0028e000 fd:00 177515246                  /workplace/software/miniconda3/envs/torch_gpu/bin/python3.7
55a5a6251000-55a5a62ba000 rw-p 00291000 fd:00 177515246                  /workplace/software/miniconda3/envs/torch_gpu/bin/python3.7
...
Aborted (core dumped)

Environment

• TVM version: v0.14.dev0-595-gfa0d35b
• Python version: Python 3.7.10
• torch version: 1.7.0

Steps to reproduce

import tvm
import torch

Triage

• needs-triage

cc @quic-sanirudh

[lhutton1]

Hi @Thrsu perhaps you can try the suggestion here: #9362 (comment)

[Thrsu]

Hi @Thrsu perhaps you can try the suggestion here: #9362 (comment)

Thank you for your prompt response!