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Differential D57785

link_elf: Guard against subtraction underflow
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Authored by thebugfixers_pm.me on Tue, Jun 23, 8:30 PM.
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F162718495: D57785.diff
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Summary

If a malformed program header has p_filesz > p_memsz, the subtraction underflows.
Introduced guard to validate before zeroing.

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rG FreeBSD src repository
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sys/
kern/
5 lines

Diff 180449

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sys/kern/link_elf.c

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