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

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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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markj created this revision.Sun, Mar 23, 10:36 PM

Herald added subscribers: olce, imp. · View Herald TranscriptSun, Mar 23, 10:36 PM

markj requested review of this revision.Sun, Mar 23, 10:36 PM

Harbormaster completed remote builds in B63086: Diff 152578.Sun, Mar 23, 10:36 PM

kib accepted this revision.Mon, Mar 24, 1:32 AM

This revision is now accepted and ready to land.Mon, Mar 24, 1:32 AM

Closed by commit rG1a80a157cbe8: ptrace: Do not pass a negative resid to proc_rwmem() (authored by markj). · Explain WhyMon, Mar 31, 9:06 AM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rG1a80a157cbe8: ptrace: Do not pass a negative resid to proc_rwmem().

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sys/

kern/

sys_process.c

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ptrace: Do not pass a negative resid to proc_rwmem()ClosedPublicActions