Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

SEGV src/mjs_ffi.c:50 in parse_cval_type #224

Open
hope-fly opened this issue Dec 31, 2021 · 0 comments
Open

SEGV src/mjs_ffi.c:50 in parse_cval_type #224

hope-fly opened this issue Dec 31, 2021 · 0 comments

Comments

@hope-fly
Copy link

mJS revision

Commit: b1b6eac

Build platform

Ubuntu 18.04.5 LTS (Linux 5.4.0-44-generic x86_64)

Build steps
vim Makefile
DOCKER_GCC=gcc
$(DOCKER_GCC) $(CFLAGS) $(TOP_MJS_SOURCES) $(TOP_COMMON_SOURCES) -o $(PROG)
# save the makefile then make
make
Test case
poc.js

(JSON.stringify([1, 2, 3]))((JSON.stringify-6.5*321e2)(JSON.stringify([1, 2, 3])));

Execution steps & Output
$ ./mjs/build/mjs poc.js
ASAN:DEADLYSIGNAL
=================================================================
==85157==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55e826c7824e bp 0x000000000080 sp 0x7ffe9212b1c8 T0)
==85157==The signal is caused by a READ memory access.
==85157==Hint: address points to the zero page.
    #0 0x55e826c7824d in parse_cval_type src/mjs_ffi.c:50

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV src/mjs_ffi.c:50 in parse_cval_type
==85157==ABORTING
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

1 participant