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Differential D53065

exec: Check for errors when mapping the shared object
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Authored by markj on Oct 13 2025, 12:54 PM.
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rG945500c6ddc5: exec: Check for errors when mapping the shared object
rG2078f67215e9: exec: Check for errors when mapping the shared object
rG6a5f0dc705c4: exec: Check for errors when mapping the shared object
rG7117c86fcb7e: exec: Check for errors when mapping the shared object
Summary

In the non-ASLR case, there is no check for an error from
vm_map_fixed(). Restore it, it was dropped in commit 939f0b6323e0a.

Fixes: 939f0b6323e0 ("Implement shared page address randomization")
Reported by: Ilja Van Sprundel <ivansprundel@ioactive.com>

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rG FreeBSD src repository
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Buildable 67748
Build 64631: arc lint + arc unit

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sys/
kern/
2 lines

Diff 164087

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sys/kern/kern_exec.c

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