Check the magic value in longjmp() before calling sigprocmask().
ClosedPublic
Actions

Authored by jhb on Apr 18 2020, 4:01 PM.

Tags

None

Referenced Files

	F131976369: D24483.id.diff
	Sun, Oct 12, 3:51 PM

	F131976364: D24483.id70737.diff
	Sun, Oct 12, 3:51 PM

	F131976359: D24483.id70847.diff
	Sun, Oct 12, 3:51 PM

	Unknown Object (File)
	Sun, Oct 12, 4:40 AM

	Unknown Object (File)
	Sat, Oct 11, 11:23 AM

	Unknown Object (File)
	Tue, Sep 30, 12:01 AM

	Unknown Object (File)
	Sat, Sep 20, 7:03 PM

	Unknown Object (File)
	Sat, Sep 20, 1:05 PM

View All 61 Files

Subscribers

imp

Details

Reviewers

mhorne
br

Commits

rS360169: Check the magic value in longjmp() before calling sigprocmask().

Summary

This avoids passing garbage to sigprocmask() if the jump buffer is
invalid.

Obtained from: CheriBSD

Test Plan

booted multiuser in CheriBSD

Diff Detail

Lint

Lint Passed

Unit

No Test Coverage

Build Status

Buildable 30585
Build 28326: arc lint + arc unit

Event Timeline

jhb created this revision.Apr 18 2020, 4:01 PM

Harbormaster completed remote builds in B30585: Diff 70737.Apr 18 2020, 4:02 PM

mhorne accepted this revision.Apr 18 2020, 5:03 PM

This revision is now accepted and ready to land.Apr 18 2020, 5:03 PM

Closed by commit rS360169: Check the magic value in longjmp() before calling sigprocmask(). (authored by jhb). · Explain WhyApr 21 2020, 5:40 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rS360169: Check the magic value in longjmp() before calling sigprocmask()..

Herald added a subscriber: imp. · View Herald TranscriptApr 21 2020, 5:40 PM

Revision Contents
Changeset List

Path

Size

lib/

libc/

riscv/

gen/

setjmp.S

10 lines

Diff 70737

View Options

lib/libc/riscv/gen/setjmp.S

Check the magic value in longjmp() before calling sigprocmask().ClosedPublicActions