Date: Sun, 25 Jul 2004 23:02:54 +0200 From: "Simon L. Nielsen" <simon@FreeBSD.org> To: freebsd-current@freebsd.org Cc: Robert Watson <rwatson@FreeBSD.org> Subject: LOR in mac_portacl on dhclient start Message-ID: <20040725210254.GA765@zaphod.nitro.dk>
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[-- Attachment #1 --] Hello I get the following LOR on each boot when dhclient starts up: lock order reversal 1st 0xc1d702dc so_rcv (so_rcv) @ /usr/src/sys/kern/uipc_syscalls.c:193 2nd 0xc08c1b00 rule_sx (rule_sx) @ /usr/src/sys/security/mac_portacl/mac_portacl.c:399 KDB: stack backtrace: kdb_backtrace(c074eb16,c08c1b00,c08c0427,c08c0427,c08c0443) at kdb_backtrace+0x2f witness_checkorder(c08c1b00,1,c08c0443,18f,c078f2bc) at witness_checkorder+0x67c _sx_slock(c08c1b00,c08c0443,18f,1,c1b22e20) at _sx_slock+0x7f rules_check(c197b900,2,2,44,c08c19e0) at rules_check+0x47 check_socket_bind(c197b900,c1d70278,c1ce7d48,c1b22e20,0) at check_socket_bind+0x81 mac_check_socket_bind(c197b900,c1d70278,c1b22e20,c1,c1d70278) at mac_check_socket_bind+0xd5 kern_bind(c1d566e0,4,c1b22e20,c1b22e20,0) at kern_bind+0xa4 bind(c1d566e0,e659fd14,c,431,3) at bind+0x44 syscall(2f,2f,2f,bfbfe5c4,80a9000) at syscall+0x271 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (104, FreeBSD ELF32, bind), eip = 0x281163af, esp = 0xbfbfe4dc, ebp = 0xbfbfe528 --- I load mac_portacl from loader.conf with the following policy (which is set from sysctl.conf): security.mac.portacl.rules=uid:80:tcp:80 BTW. this is not on the LOR page. -- Simon L. Nielsen FreeBSD Documentation Team [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFBBB/+h9pcDSc1mlERAqw5AJwMOpRkBpmfNtETSD563khD/JikxACeJ1e8 POh8vKKHKUHApuOFeBc/3E0= =FPRH -----END PGP SIGNATURE-----help
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