Debian Patches

Status for putty/0.83-3

Patch Description Author Forwarded Bugs Origin Last update
enable-dit-branch-protection-none.patch Build enable_dit.c with -mbranch-protection=none
Suggested by Simon Tatham to fix test failures on arm64 CPUs without
pointer authentication support.		 Colin Watson <cjwatson@debian.org> no 2025-02-13
utmp-wayland-crash.patch Fix crash in utmp-stamping on Wayland.
Thanks to Colin Watson for the report: if pterm is both
able (appropriately setgid) and willing (given the right options) to
stamp utmp, it will use $DISPLAY as the location to write into utmp,
and segfault if it's not set. But in a Wayland-only system it might
very well not be set.

To fix this I've generalised seat_get_x_display() into
seat_get_display(), so that it can also return a display id string
like "wayland-0" if that's what's appropriate. So now in that
situation pterm will stamp utmp with a Wayland display id in place of
an X11 one.

However, seat_get_x_display() was also used to retrieve an X11 display
name specifically so as to populate $DISPLAY in the terminal's shell.
So the new seat_get_display() has a parameter to constrain the
returned display to be of a particular type, or NULL if that type
isn't available.

As a final fallback, in case seat_get_display(seat, SDISP_ANY) might
_still_ manage to return NULL for any reason, we catch that and turn
it into the empty string before stamping utmp, so that we still won't
segfault.		 Simon Tatham <anakin@pobox.com> no upstream, https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=26a8ef376daf5f50c441a65691b84f87df49db9b 2025-06-26

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