On Sun, Jan 17, 2021 at 12:52:28PM +0800, menglong8.dong@xxxxxxxxx wrote:
> From: Menglong Dong <dong.menglong@xxxxxxxxxx>
>
> 'format_corename()' will splite 'core_pattern' on spaces when it is in
> pipe mode, and take helper_argv[0] as the path to usermode executable.
> It works fine in most cases.
>
> However, if there is a space between '|' and '/file/path', such as
> '| /usr/lib/systemd/systemd-coredump %P %u %g', then helper_argv[0] will
> be parsed as '', and users will get a 'Core dump to | disabled'.
>
> It is not friendly to users, as the pattern above was valid previously.
> Fix this by ignoring the spaces between '|' and '/file/path'.
>
> Fixes: 315c69261dd3 ("coredump: split pipe command whitespace before expanding template")
> Signed-off-by: Menglong Dong <dong.menglong@xxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Paul Wise <pabs3@xxxxxxxxxxxxx>
> Cc: Jakub Wilk <jwilk@xxxxxxxxx> [https://bugs.debian.org/924398]
> Cc: Neil Horman <nhorman@xxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Link: https://lkml.kernel.org/r/5fb62870.1c69fb81.8ef5d.af76@xxxxxxxxxxxxx
> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> ---
> fs/coredump.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
What is the git commit id of this, and what stable trees do you want it
merged to?
