#include "defs.h"
-#include <sys/prctl.h>
+#include <linux/prctl.h>
#include "xlat/prctl_options.h"
#include "xlat/pr_cap_ambient.h"
+#include "xlat/pr_dumpable.h"
+#include "xlat/pr_fp_mode.h"
#include "xlat/pr_mce_kill.h"
#include "xlat/pr_mce_kill_policy.h"
#include "xlat/pr_set_mm.h"
unsigned int i;
for (i = first; i < tcp->s_ent->nargs; ++i)
- tprintf(", %#lx", tcp->u_arg[i]);
+ tprintf(", %#" PRI_klx, tcp->u_arg[i]);
}
SYS_FUNC(prctl)
{
const unsigned int option = tcp->u_arg[0];
+ const kernel_ulong_t arg2 = tcp->u_arg[1];
+ const kernel_ulong_t arg3 = tcp->u_arg[2];
+ /*
+ * PR_SET_VMA is the only command which actually uses these arguments
+ * currently, and it is available only on Android for now.
+ */
+#ifdef __ANDROID__
+ const kernel_ulong_t arg4 = tcp->u_arg[3];
+ const kernel_ulong_t arg5 = tcp->u_arg[4];
+#endif
unsigned int i;
if (entering(tcp))
printxval(prctl_options, option, "PR_???");
switch (option) {
- case PR_GET_DUMPABLE:
case PR_GET_KEEPCAPS:
case PR_GET_SECCOMP:
case PR_GET_TIMERSLACK:
if (entering(tcp))
tprints(", ");
else
- printnum_int(tcp, tcp->u_arg[1], "%u");
+ printnum_int(tcp, arg2, "%u");
break;
- case PR_GET_NAME:
+ case PR_GET_DUMPABLE:
if (entering(tcp))
+ break;
+ if (syserror(tcp))
+ return 0;
+ tcp->auxstr = xlookup(pr_dumpable, (kernel_ulong_t) tcp->u_rval);
+ return RVAL_STR;
+
+ case PR_GET_NAME:
+ if (entering(tcp)) {
tprints(", ");
- else {
+ } else {
if (syserror(tcp))
- printaddr(tcp->u_arg[1]);
+ printaddr(arg2);
else
- printstr(tcp, tcp->u_arg[1], -1);
+ printstr_ex(tcp, arg2, TASK_COMM_LEN,
+ QUOTE_0_TERMINATED);
}
break;
case PR_GET_PDEATHSIG:
- if (entering(tcp))
+ if (entering(tcp)) {
tprints(", ");
- else if (!umove_or_printaddr(tcp, tcp->u_arg[1], &i)) {
+ } else if (!umove_or_printaddr(tcp, arg2, &i)) {
tprints("[");
tprints(signame(i));
tprints("]");
if (syserror(tcp) || tcp->u_rval == 0)
return 0;
tcp->auxstr = sprintflags("", secbits,
- (unsigned long) tcp->u_rval);
+ (kernel_ulong_t) tcp->u_rval);
return RVAL_STR;
case PR_GET_TID_ADDRESS:
if (entering(tcp))
tprints(", ");
else
- printnum_ptr(tcp, tcp->u_arg[1]);
+ printnum_ptr(tcp, arg2);
break;
case PR_GET_TSC:
- if (entering(tcp))
+ if (entering(tcp)) {
tprints(", ");
- else if (!umove_or_printaddr(tcp, tcp->u_arg[1], &i)) {
+ } else if (!umove_or_printaddr(tcp, arg2, &i)) {
tprints("[");
printxval(pr_tsc, i, "PR_TSC_???");
tprints("]");
break;
case PR_GET_UNALIGN:
- if (entering(tcp))
+ if (entering(tcp)) {
tprints(", ");
- else if (!umove_or_printaddr(tcp, tcp->u_arg[1], &i)) {
+ } else if (!umove_or_printaddr(tcp, arg2, &i)) {
tprints("[");
printflags(pr_unalign_flags, i, "PR_UNALIGN_???");
tprints("]");
}
break;
+ case PR_GET_FP_MODE:
+ if (entering(tcp))
+ break;
+ if (syserror(tcp) || tcp->u_rval == 0)
+ return 0;
+ tcp->auxstr = sprintflags("", pr_fp_mode,
+ (kernel_ulong_t) tcp->u_rval);
+ return RVAL_STR;
+
/* PR_TASK_PERF_EVENTS_* take no arguments. */
case PR_TASK_PERF_EVENTS_DISABLE:
case PR_TASK_PERF_EVENTS_ENABLE:
return RVAL_DECODED;
case PR_SET_CHILD_SUBREAPER:
- case PR_SET_DUMPABLE:
case PR_SET_ENDIAN:
case PR_SET_FPEMU:
case PR_SET_FPEXC:
case PR_SET_KEEPCAPS:
case PR_SET_TIMING:
- tprintf(", %lu", tcp->u_arg[1]);
+ tprintf(", %" PRI_klu, arg2);
+ return RVAL_DECODED;
+
+ case PR_SET_DUMPABLE:
+ tprints(", ");
+ printxval64(pr_dumpable, arg2, "SUID_DUMP_???");
return RVAL_DECODED;
case PR_CAPBSET_DROP:
case PR_CAPBSET_READ:
tprints(", ");
- printxval(cap, tcp->u_arg[1], "CAP_???");
+ printxval64(cap, arg2, "CAP_???");
return RVAL_DECODED;
case PR_CAP_AMBIENT:
tprints(", ");
- printxval(pr_cap_ambient, tcp->u_arg[1], "PR_CAP_AMBIENT_???");
- switch (tcp->u_arg[1]) {
+ printxval64(pr_cap_ambient, arg2,
+ "PR_CAP_AMBIENT_???");
+ switch (arg2) {
case PR_CAP_AMBIENT_RAISE:
case PR_CAP_AMBIENT_LOWER:
case PR_CAP_AMBIENT_IS_SET:
tprints(", ");
- printxval(cap, tcp->u_arg[2], "CAP_???");
+ printxval64(cap, arg3, "CAP_???");
print_prctl_args(tcp, 3);
break;
default:
case PR_MCE_KILL:
tprints(", ");
- printxval(pr_mce_kill, tcp->u_arg[1], "PR_MCE_KILL_???");
+ printxval64(pr_mce_kill, arg2, "PR_MCE_KILL_???");
tprints(", ");
- if (PR_MCE_KILL_SET == tcp->u_arg[1])
- printxval(pr_mce_kill_policy, tcp->u_arg[2],
- "PR_MCE_KILL_???");
+ if (PR_MCE_KILL_SET == arg2)
+ printxval64(pr_mce_kill_policy, arg3,
+ "PR_MCE_KILL_???");
else
- tprintf("%#lx", tcp->u_arg[2]);
+ tprintf("%#" PRI_klx, arg3);
print_prctl_args(tcp, 3);
return RVAL_DECODED;
case PR_SET_NAME:
tprints(", ");
- printstr(tcp, tcp->u_arg[1], TASK_COMM_LEN);
+ printstr_ex(tcp, arg2, TASK_COMM_LEN - 1,
+ QUOTE_0_TERMINATED);
return RVAL_DECODED;
#ifdef __ANDROID__
# define PR_SET_VMA_ANON_NAME 0
# endif
case PR_SET_VMA:
- if (tcp->u_arg[1] == PR_SET_VMA_ANON_NAME) {
- tprintf(", PR_SET_VMA_ANON_NAME, %#lx", tcp->u_arg[2]);
- tprintf(", %lu, ", tcp->u_arg[3]);
- printstr(tcp, tcp->u_arg[4], -1);
+ if (arg2 == PR_SET_VMA_ANON_NAME) {
+ tprintf(", PR_SET_VMA_ANON_NAME, %#" PRI_klx, arg3);
+ tprintf(", %" PRI_klu ", ", arg4);
+ printstr(tcp, arg5);
} else {
/* There are no other sub-options now, but there
* might be in future... */
case PR_SET_MM:
tprints(", ");
- printxval(pr_set_mm, tcp->u_arg[1], "PR_SET_MM_???");
+ printxval(pr_set_mm, arg2, "PR_SET_MM_???");
print_prctl_args(tcp, 2);
return RVAL_DECODED;
case PR_SET_PDEATHSIG:
tprints(", ");
- if ((unsigned long) tcp->u_arg[1] > 128)
- tprintf("%lu", tcp->u_arg[1]);
+ if (arg2 > 128)
+ tprintf("%" PRI_klu, arg2);
else
- tprints(signame(tcp->u_arg[1]));
+ tprints(signame(arg2));
return RVAL_DECODED;
case PR_SET_PTRACER:
tprints(", ");
- if (tcp->u_arg[1] == -1)
+ if ((int) arg2 == -1)
tprints("PR_SET_PTRACER_ANY");
else
- tprintf("%lu", tcp->u_arg[1]);
+ tprintf("%" PRI_klu, arg2);
return RVAL_DECODED;
case PR_SET_SECCOMP:
tprints(", ");
- printxval(seccomp_mode, tcp->u_arg[1],
- "SECCOMP_MODE_???");
- if (SECCOMP_MODE_STRICT == tcp->u_arg[1])
+ printxval64(seccomp_mode, arg2,
+ "SECCOMP_MODE_???");
+ if (SECCOMP_MODE_STRICT == arg2)
return RVAL_DECODED;
- if (SECCOMP_MODE_FILTER == tcp->u_arg[1]) {
+ if (SECCOMP_MODE_FILTER == arg2) {
tprints(", ");
- print_seccomp_filter(tcp, tcp->u_arg[2]);
+ print_seccomp_filter(tcp, arg3);
return RVAL_DECODED;
}
print_prctl_args(tcp, 2);
case PR_SET_SECUREBITS:
tprints(", ");
- printflags(secbits, tcp->u_arg[1], "SECBIT_???");
+ printflags64(secbits, arg2, "SECBIT_???");
return RVAL_DECODED;
case PR_SET_TIMERSLACK:
- tprintf(", %ld", tcp->u_arg[1]);
+ tprintf(", %" PRI_kld, arg2);
return RVAL_DECODED;
case PR_SET_TSC:
tprints(", ");
- printxval(pr_tsc, tcp->u_arg[1], "PR_TSC_???");
+ printxval(pr_tsc, arg2, "PR_TSC_???");
return RVAL_DECODED;
case PR_SET_UNALIGN:
tprints(", ");
- printflags(pr_unalign_flags, tcp->u_arg[1], "PR_UNALIGN_???");
+ printflags(pr_unalign_flags, arg2, "PR_UNALIGN_???");
return RVAL_DECODED;
case PR_SET_NO_NEW_PRIVS:
case PR_SET_THP_DISABLE:
- tprintf(", %lu", tcp->u_arg[1]);
+ tprintf(", %" PRI_klu, arg2);
print_prctl_args(tcp, 2);
return RVAL_DECODED;
if (syserror(tcp))
return 0;
tcp->auxstr = xlookup(pr_mce_kill_policy,
- (unsigned long) tcp->u_rval);
+ (kernel_ulong_t) tcp->u_rval);
return tcp->auxstr ? RVAL_STR : RVAL_UDECIMAL;
+ case PR_SET_FP_MODE:
+ tprints(", ");
+ printflags(pr_fp_mode, arg2, "PR_FP_MODE_???");
+ return RVAL_DECODED;
+
case PR_GET_NO_NEW_PRIVS:
case PR_GET_THP_DISABLE:
case PR_MPX_DISABLE_MANAGEMENT:
SYS_FUNC(arch_prctl)
{
const unsigned int option = tcp->u_arg[0];
+ const kernel_ulong_t addr = tcp->u_arg[1];
if (entering(tcp))
printxval(archvals, option, "ARCH_???");
if (entering(tcp))
tprints(", ");
else
- printnum_ptr(tcp, tcp->u_arg[1]);
+ printnum_ptr(tcp, addr);
return 0;
}
- tprintf(", %#lx", tcp->u_arg[1]);
+ tprintf(", %#" PRI_klx, addr);
return RVAL_DECODED;
}
#endif /* X86_64 || X32 */