On Thu, Apr 02, 2020 at 02:01:26PM +0200, Adam Borowski wrote:
>
> After a lot of output on a damaged filesystem (SD card copied to an image)
> fsck.f2fs dies with:
>
> - File name : mkfs.ext3.dpkg-new
> - File size : 6 (bytes)
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00005555555593ec in memcpy (__len=18446744073323892736,
> __src=0x55555560760c, __dest=0x7fffffffe000) at
> /usr/include/x86_64-linux-gnu/bits/string_fortified.h:34
> warning: Source file is more recent than executable.
> 34 return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
> (gdb) bt
> #0 0x00005555555593ec in memcpy (__len=18446744073323892736,
> __src=0x55555560760c, __dest=0x7fffffffe000) at
> /usr/include/x86_64-linux-gnu/bits/string_fortified.h:34
> #1 convert_encrypted_name (name=name@entry=0x55555560760c " ",
> len=-385658880, new=new@entry=0x7fffffffe000 " ", enc_name=<optimized out>)
> at fsck.c:1132
> #2 0x0000555555562286 in print_inode_info (sbi=0x55555557db20 <gfsck>,
> node=0x5555556075b0, name=1) at mount.c:183
> #3 0x0000555555562a46 in print_node_info (sbi=<optimized out>,
> node_block=<optimized out>, verbose=<optimized out>) at mount.c:277
> #4 0x0000555555560d3f in dump_node (sbi=sbi@entry=0x55555557db20 <gfsck>,
> nid=nid@entry=24274, force=force@entry=1) at dump.c:520
> #5 0x000055555555e94c in fsck_verify (sbi=0x55555557db20 <gfsck>) at
> fsck.c:2568
> #6 0x000055555555699b in do_fsck (sbi=0x55555557db20 <gfsck>) at main.c:569
> #7 main (argc=<optimized out>, argv=<optimized out>) at main.c:726
>
>
> I tried building current upstream git, also segfaults.
>
> I have a copy of the filesystem in question from before any repair attempts.
> It has no sensitive data on it, thus I can share if needed -- 14GB.
Thanks for the bug report. Can you make the file system image
available somehow? Maybe for download at some URL? How well does it
compress?
- Ted
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