Re: Invalid memory read access in get_tags_of_indirect_tags_table()

[Gavin Smith]

On 21 January 2017 at 20:07, Hanno Böck <address@hidden> wrote:
> The attached file will cause an invalid memory read, leading to a
> segfault.
>
> Here's a stack trace from address sanitizer:
> ==2482==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 
> 0x0000005460e6 bp 0x7ffd9fec9e30 sp 0x7ffd9fec9c20 T0)
> ==2482==The signal is caused by a READ memory access.
> ==2482==Hint: address points to the zero page.
>     #0 0x5460e5 in get_tags_of_indirect_tags_table 
> /f/texinfo/trunk/info/nodes.c:461:37
>     #1 0x5460e5 in build_tags_and_nodes /f/texinfo/trunk/info/nodes.c:139
>     #2 0x549462 in info_load_file /f/texinfo/trunk/info/nodes.c:757:5
>     #3 0x548c6d in info_find_file /f/texinfo/trunk/info/nodes.c:667:17
>     #4 0x54a593 in info_get_node_with_defaults 
> /f/texinfo/trunk/info/nodes.c:990:19
>     #5 0x56de62 in dump_node_to_stream /f/texinfo/trunk/info/session.c:3764:10
>     #6 0x56db32 in dump_nodes_to_file /f/texinfo/trunk/info/session.c:3727:11
>     #7 0x531e19 in main /f/texinfo/trunk/info/info.c:1073:7
>     #8 0x7fb742a3078f in __libc_start_main (/lib64/libc.so.6+0x2078f)
>     #9 0x41a598 in _start (/old-ram1/texinfo/ginfo+0x41a598)
>
> AddressSanitizer can not provide additional info.
> SUMMARY: AddressSanitizer: SEGV /f/texinfo/trunk/info/nodes.c:461:37 in 
> get_tags_of_indirect_tags_table
> ==2482==ABORTING

Thanks, should be fixed now.