[Bug dynamic-link/32653] Review options for improving both security and backwards compatibility of glibc 2.41 dlopen / execstack handling

[ats-sourceware at offog dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=32653

Adam Sampson <ats-sourceware at offog dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |ats-sourceware at offog dot org

--- Comment #29 from Adam Sampson <ats-sourceware at offog dot org> ---
The 2.41 backport causes a build failure for me on arm-linux-gnueabihf (32-bit
ARM) when linking libc.so:

ld: /src/sys/glibc/cross/linux-armv7/work/build/libc_pic.os.clean: in function
`__gnu_Unwind_Find_exidx':
/src/sys/glibc/cross/linux-armv7/work/b861755a84eeccdd9183989ca71b3b1251c83a74/elf/../sysdeps/arm/find_exidx.c:26:(.text+0x12bd64):
undefined reference to `__GI___dl_find_object'

Looking at the backported patch, it adds dl-find_object to dl-routines in
elf/Makefile, but dl-find_object is still in routines in 2.41; does this patch
need to be backported too?

https://sourceware.org/git/?p=glibc.git;a=commit;h=96429bcc91a14f71b177ddc5e716de3069060f2c

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