Russell, thoughts? 2011/8/30 HarryCiao <harrytaurus2002@xxxxxxxxxxx>: > Hi Russell, > > Please explicitly set fallback_user_level = NULL; or have > "s->fallback_user_level = fallback_user_level;" controlled by if(level) too. > > Unfortunately, this patch won't fix the segfault issue for standard > refpolicy(BTW, the MLS refpolicy could be compiled/linked/expanded > uneventfully) and I got below backtrace information from gdb: > > Program received signal SIGSEGV, Segmentation fault. > 0x00007fb03c2fd052 in ?? () from /lib/libc.so.6 > (gdb) bt > #0 0x00007fb03c2fd052 in ?? () from /lib/libc.so.6 > #1 0x00007fb03bc4e691 in ustr_replace_cstr () from > /usr/lib/libustr-1.0.so.1 > #2 0x00007fb03c615846 in replace_all ( > str=0xac3ab10 "HOME_DIR/.+\tsystem_u:object_r:user_home_t", > repl=0x7fff5d711cd0) at genhomedircon.c:442 > #3 0x00007fb03c615ad8 in write_home_dir_context (s=0x7fff5d711df0, > out=0x10301f50, tpl=0xe2dc170, user=0xe25cec0 "user_u", > seuser=0xe25cec0 "user_u", home=0xe2913d3 "/home/[^/]*", > role_prefix=0xe261d30 "user", level=0x0) at genhomedircon.c:509 > #4 0x00007fb03c616b50 in write_context_file (s=0x7fff5d711df0, > out=0x10301f50) > at genhomedircon.c:942 > #5 0x00007fb03c616df0 in semanage_genhomedircon (sh=0x228b790, > policydb=0xaab4370, usepasswd=1) at genhomedircon.c:1017 > #6 0x00007fb03c611baa in semanage_direct_commit (sh=0x228b790) > at direct_api.c:1008 > #7 0x00007fb03c617c44 in semanage_commit (sh=0x228b790) at handle.c:435 > #8 0x0000000000402471 in main () > (gdb) > > I didn't go further than that. > > Thanks, > Harry > > >> From: russell@xxxxxxxxxxxx >> To: eparis@xxxxxxxxxxxxxx >> Subject: Re: Toolchain is broken? >> Date: Mon, 29 Aug 2011 21:28:50 +1000 >> CC: harrytaurus2002@xxxxxxxxxxx; selinux@xxxxxxxxxxxxx >> >> On Sat, 27 Aug 2011, Eric Paris <eparis@xxxxxxxxxxxxxx> wrote: >> > Must have come from this patch. >> > >> > commit d784fd71b56cb8f57d5b9fcd784094e004bf7c6a >> > Author: Russell Coker <russell@xxxxxxxxxxxx> >> > Date: Wed Jan 5 19:30:25 2011 +1100 >> > >> > libsemanage: patch for MCS/MLS in user files >> > >> >> What do you think of the attached patch? >> >> -- >> My Main Blog http://etbe.coker.com.au/ >> My Documents Blog http://doc.coker.com.au/ > -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.
