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| author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2024-03-21 11:37:09 +0000 |
|---|---|---|
| committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2024-03-21 11:37:09 +0000 |
| commit | aa17f0e0c1c8b3f1d6fc8617613c74f07de66fae (patch) | |
| tree | b90b9f0c25c04409339167b9d861eef3c10161f3 /screen-write.c | |
| parent | bf5d3f2e26bb9add9e31d72932aea5580be8b653 (diff) | |
Fix crash if SIXEL colour register is invalid and remove SIXEL images before
reflow to avoid a different crash, from Anindya Mukherjee.
Diffstat (limited to 'screen-write.c')
| -rw-r--r-- | screen-write.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/screen-write.c b/screen-write.c index 6892d041..a732f093 100644 --- a/screen-write.c +++ b/screen-write.c @@ -2283,6 +2283,10 @@ screen_write_sixelimage(struct screen_write_ctx *ctx, struct sixel_image *si, new = sixel_scale(si, 0, 0, 0, y - sy, sx, sy, 1); sixel_free(si); si = new; + + /* Bail out if the image cannot be scaled. */ + if (si == NULL) + return; sixel_size_in_cells(si, &x, &y); } |