https://sourceware.org/bugzilla/show_bug.cgi?id=32690
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #15947|0 |1
is obsolete| |
--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 15949
--> https://sourceware.org/bugzilla/attachment.cgi?id=15949&action=edit
An updated patch
commit 73ab3b9825d232f0f3a4ad811e88697f9b9ab162
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Thu Jan 30 08:48:45 2025 +0800
x86-64: Estimate output section layout before sizing dynamic sections
triggered this latent issue. It can happen without my change. When
lang_size_relro_segment_1 is called, with the following sections in the
relro segment:
section vma size vma + size
.got 0x320268 0xd80 0x320fe8
.dynamic 0x31ffe8 0x280 0x320268
.data.rel.ro 0x2f3020 0x2cfc8 0x31ffe8
.fini_array 0x2f3008 0x8 0x2f3010
.init_array 0x2f3000 0x8 0x2f3008
the initial relro end is 0x321000. The desired relro end is adjusted to
1. 0x320280 for .dynamic
2. 0x320000 for .data.rel.ro
3. 0x2f3000 for .fini_array
Now the desired relro end is lower than the .fini_array vma + end.
In this case, set the desired relro end for the previous section,
.init_array, to the aligned end of .fini_array.
4. 0x2f3010 for .init_array.
The final relro end becomes 0x2f3008.
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