[PATCH elfutils] [tests] parse inode in /proc/pid/maps/correctly in run-backtrace-data.sh

Mark Wielaard mark@klomp.org
Thu Jan 31 21:21:00 GMT 2019


On Tue, Jan 29, 2019 at 01:33:03PM -0800, Yonghong Song wrote:
> The backtrace-data.c parsed the inode in /proc/pid/maps with
> format "%*x".
> This caused failure if inode is big. For example,
>   7f269223d000-7f269226b000 r-xp 00000000 00:50 10224326387095067468       /home/...
> 
> The error likes below:
>   -bash-4.4$ cat run-backtrace-data.sh.log
>   backtrace-data: /home/engshare/elfutils/0.174/src/elfutils-0.174/tests/backtrace-data.c:110:
>     maps_lookup: Assertion `errno == 0' failed.
>   /home/engshare/elfutils/0.174/src/elfutils-0.174/tests/test-subr.sh: line 84:
>     3123578 Aborted                 (core dumped)
>     LD_LIBRARY_PATH="${built_library_path}${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH" $VALGRIND_CMD "$@"
>   data: no main
>   -bash-4.4$
> The reason is errno is ERANGE.
> 
> Fix the test with inode format string "%*u" as inode here is presented
> as decimal numbers.

Thanks. Added a ChangeLog entry and pushed to master.



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