About Segmentation fault of mkfs.erofs in AOSP

[Yue Hu]

On Tue, 1 Dec 2020 19:42:53 +0800
Gao Xiang <hsiangkao at redhat.com> wrote:

> Hi Yue,
> 
> On Tue, Dec 01, 2020 at 07:23:09PM +0800, Yue Hu wrote:
> > hi guys,
> > 
> > I'm trying using erofs for super.img(dynamic partition) under Android 10. But i have met an issue below when building images:
> > 
> > ```log
> > EROFS: write_uncompressed_block() Line[140] Writing 3517 uncompressed data to block 63950
> > EROFS: erofs_mkfs_build_tree() Line[1011] add file /tmp/merge_target_files_jnIVhM/output/VENDOR/etc/xtwifi.conf (nid 8185600, type 1)
> > EROFS: erofs_mkfs_build_tree() Line[1011] add file /tmp/merge_target_files_jnIVhM/output/VENDOR/etc (nid 1790208, type 2)
> > out/host/linux-x86/bin/mkerofsimage.sh: line 79: 188014 Segmentation fault      (core dumped) $MAKE_EROFS_CMD
> > ```
> > 
> > Have you met this kind of issue? I'm trying to debug the problem, looks like memory related.
> > 
> > BTW: i'm using latest erofs-utils in AOSP master branch (https://android.googlesource.com/platform/external/erofs-utils/).  
> 
> Which lz4 version is used? it would be better to use lz4 1.9.3
> (or 1.9.2 with some unexpected CR issues.)

Hi Xiang,

ok, let me check.

> For more details, please see README.
> 
> If the expected lz4 version is used, could you kindly leave gdb
> backtrace message here as well? 

Trying to get the bt for the case.

Thx.

> 
> Thanks,
> Gao Xiang
> 
> > 
> > Thx.
> >   
>