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prctl: finish decoding of several commands on entering syscall

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* prctl.c (SYS_FUNC(prctl)): Return RVAL_DECODED after decoding of
PR_GET_DUMPABLE, PR_GET_KEEPCAPS, PR_GET_SECCOMP, PR_GET_TIMERSLACK,
PR_GET_TIMING, and PR_CAPBSET_READ commands.
This commit is contained in:
Дмитрий Левин 2015-12-06 15:29:04 +00:00
parent b165910f98
commit 1b283307d1
1 changed files with 4 additions and 19 deletions
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23
prctl.c
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@ -53,9 +53,7 @@ SYS_FUNC(prctl)
case PR_GET_SECCOMP:
case PR_GET_TIMERSLACK:
case PR_GET_TIMING:
if (entering(tcp))
break;
return syserror(tcp) ? 0 : RVAL_UDECIMAL;
return RVAL_DECODED;
case PR_GET_CHILD_SUBREAPER:
case PR_GET_ENDIAN:
@ -139,18 +137,11 @@ SYS_FUNC(prctl)
return RVAL_DECODED;
case PR_CAPBSET_DROP:
case PR_CAPBSET_READ:
tprints(", ");
printxval(cap, tcp->u_arg[1], "CAP_???");
return RVAL_DECODED;
case PR_CAPBSET_READ:
if (entering(tcp)) {
tprints(", ");
printxval(cap, tcp->u_arg[1], "CAP_???");
break;
}
return syserror(tcp) ? 0 : RVAL_UDECIMAL;
case PR_MCE_KILL:
tprints(", ");
printxval(pr_mce_kill, tcp->u_arg[1], "PR_MCE_KILL_???");
@ -250,14 +241,6 @@ SYS_FUNC(prctl)
print_prctl_args(tcp, 2);
return RVAL_DECODED;
case PR_GET_NO_NEW_PRIVS:
case PR_GET_THP_DISABLE:
if (entering(tcp)) {
print_prctl_args(tcp, 1);
return 0;
}
return syserror(tcp) ? 0 : RVAL_UDECIMAL;
case PR_MCE_KILL_GET:
if (entering(tcp)) {
print_prctl_args(tcp, 1);
@ -268,6 +251,8 @@ SYS_FUNC(prctl)
tcp->auxstr = xlookup(pr_mce_kill_policy, tcp->u_rval);
return tcp->auxstr ? RVAL_STR : RVAL_UDECIMAL;
case PR_GET_NO_NEW_PRIVS:
case PR_GET_THP_DISABLE:
case PR_MPX_DISABLE_MANAGEMENT:
case PR_MPX_ENABLE_MANAGEMENT:
default: