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Differential D49479

ptrace: Do not pass a negative resid to proc_rwmem()
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Authored by markj on Mar 23 2025, 10:36 PM.
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rG74a0b8908483: ptrace: Do not pass a negative resid to proc_rwmem()
rG1a80a157cbe8: ptrace: Do not pass a negative resid to proc_rwmem()
Summary

uiomove() asserts against this.

proc_iop() already asserts this, but maybe it should be a runtime check.

While here, avoid truncting uio_resid in proc_rwmem().

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rG FreeBSD src repository
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sys/
kern/
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sys/kern/sys_process.c

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