Date: Fri, 11 Oct 2024 22:11:45 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 127912] In theory, uncompress(1) may crash and SEGV Message-ID: <bug-127912-227-DDA2l9PCAo@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-127912-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=127912 --- Comment #4 from commit-hook@FreeBSD.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=03b4f232354ce68fe1cb462038654f6527f63579 commit 03b4f232354ce68fe1cb462038654f6527f63579 Author: David Jones <drj@ravenbrook.com> AuthorDate: 2024-10-11 15:49:17 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2024-10-11 22:11:02 +0000 uncompress: Avoid reading an extra byte When reading the next code in a stream, avoid reading an extra byte if we're going to throw it away. When there's no more bits to extract from the stream, bits will be 0 and we'll mask the read byte with 0 anyway. At worst, this will avoid reading one past the end of gbuf array (which is not possible in well formed streams). PR: 127912 Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D47041 (cherry picked from commit 818c7b769a4f7d3c8fecc4cf491f4e22ef816eba) usr.bin/compress/zopen.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- You are receiving this mail because: You are the assignee for the bug.help
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