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bug#56095: 29.0.50; nsterm.m, use after free
From: |
Po Lu |
Subject: |
bug#56095: 29.0.50; nsterm.m, use after free |
Date: |
Mon, 20 Jun 2022 09:22:32 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) |
Gerd Möllmann <gerd.moellmann@gmail.com> writes:
> So, I'm trying Emacs on MacOS now, get some non-reproducible
> crashes, built master with ASAN, and the first thing it found is this:
>
> ==61522==ERROR: AddressSanitizer: heap-use-after-free on address
> 0x00012d7deb90 at pc 0x0001008c1514 bp 0x00016fdf7230 sp 0x00016fdf7228
> WRITE of size 8 at 0x00012d7deb90 thread T0
> ==61522==WARNING: Can't read from symbolizer at fd 25
> ==61522==WARNING: Can't read from symbolizer at fd 26
> ==61522==WARNING: Can't read from symbolizer at fd 27
> ==61522==WARNING: Can't read from symbolizer at fd 28
> ==61522==WARNING: Failed to use and restart external symbolizer!
> #0 0x1008c1510 in wset_vertical_scroll_bar+0x4c
> (/Users/gerd/repos/emacs/src/emacs:arm64+0x1008c1510)
> #1 0x1008c19a0 in -[EmacsScroller judge]+0x360
> (/Users/gerd/repos/emacs/src/emacs:arm64+0x1008c19a0)
> #2 0x1008d641c in ns_judge_scroll_bars+0x224
> (/Users/gerd/repos/emacs/src/emacs:arm64+0x1008d641c)
> #3 0x1000fa4ec in redisplay_internal+0x4ca4
> (/Users/gerd/repos/emacs/src/emacs:arm64+0x1000fa4ec)
> ...
Isn't that a bug, since scroll bars should only be judged for windows
that are still reachable?
- bug#56095: 29.0.50; nsterm.m, use after free, Gerd Möllmann, 2022/06/19
- bug#56095: 29.0.50; nsterm.m, use after free,
Po Lu <=
- bug#56095: 29.0.50; nsterm.m, use after free, Gerd Möllmann, 2022/06/20
- bug#56095: 29.0.50; nsterm.m, use after free, Po Lu, 2022/06/20
- bug#56095: 29.0.50; nsterm.m, use after free, Gerd Möllmann, 2022/06/21
- bug#56095: 29.0.50; nsterm.m, use after free, Eli Zaretskii, 2022/06/21
- bug#56095: 29.0.50; nsterm.m, use after free, Gerd Möllmann, 2022/06/22
- bug#56095: 29.0.50; nsterm.m, use after free, Gerd Möllmann, 2022/06/22
- bug#56095: 29.0.50; nsterm.m, use after free, Eli Zaretskii, 2022/06/22
- bug#56095: 29.0.50; nsterm.m, use after free, Gerd Möllmann, 2022/06/22
- bug#56095: 29.0.50; nsterm.m, use after free, Po Lu, 2022/06/21
- bug#56095: 29.0.50; nsterm.m, use after free, Eli Zaretskii, 2022/06/22