Date: Fri, 11 Feb 2005 14:02:42 +0000 (UTC) From: Maxim Sobolev <sobomax@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern kern_prot.c Message-ID: <200502111402.j1BE2gFE084807@repoman.freebsd.org>
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sobomax 2005-02-11 14:02:42 UTC
FreeBSD src repository
Modified files:
sys/kern kern_prot.c
Log:
Add SIGTHR (32) into list of signals permitted to be delivered to the
suid application. The problem is that Linux applications using old Linux
threads (pre-NPTL) use signal 32 (linux SIGRTMIN) for communication between
thread-processes. If such an linux application is installed suid or sgid
and security.bsd.conservative_signals=1 (default), then permission will be
denied to send such a signal and the application will freeze.
I believe the same will be true for native applications that use libthr,
since libthr uses SIGTHR for implementing conditional variables.
PR: 72922
Submitted by: Andriy Gapon <avg@icyb.net.ua>
MFC after: 2 weeks
Revision Changes Path
1.192 +1 -0 src/sys/kern/kern_prot.c
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