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author | Richard Lowe <richlowe@richlowe.net> | 2012-04-27 17:48:39 +0100 |
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committer | Richard Lowe <richlowe@richlowe.net> | 2012-04-27 17:48:39 +0100 |
commit | d0b2dca528da7be0d70565a5655d328da4e28ec2 (patch) | |
tree | 6cae3bb104f5d82304f5c7fafc7b336b30078215 /usr/src | |
parent | 6a9cb0ea17f11529b1bb8ca31944abd37736b99e (diff) | |
download | illumos-gate-d0b2dca528da7be0d70565a5655d328da4e28ec2.tar.gz |
2658 scf_get_bootconfig will indirectly stomp caller memory
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: T. Nguyen <truongqnguien@gmail.com>
Approved by: Gordon Ross <gwr@nexenta.com>
Diffstat (limited to 'usr/src')
-rw-r--r-- | usr/src/lib/libscf/common/highlevel.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/usr/src/lib/libscf/common/highlevel.c b/usr/src/lib/libscf/common/highlevel.c index d5ab524d0c..dddd551e51 100644 --- a/usr/src/lib/libscf/common/highlevel.c +++ b/usr/src/lib/libscf/common/highlevel.c @@ -159,6 +159,8 @@ scferror: void scf_get_boot_config(uint8_t *boot_config) { + uint64_t ret = 0; + assert(boot_config); *boot_config = 0; @@ -176,7 +178,7 @@ scf_get_boot_config(uint8_t *boot_config) scf_propvec_t *prop; for (prop = ua_boot_config; prop->pv_prop != NULL; prop++) - prop->pv_ptr = boot_config; + prop->pv_ptr = &ret; prop = NULL; if (scf_read_propvec(FMRI_BOOT_CONFIG, BOOT_CONFIG_PG_PARAMS, B_TRUE, ua_boot_config, &prop) != SCF_FAILED) { @@ -187,9 +189,9 @@ scf_get_boot_config(uint8_t *boot_config) * blacklisted. */ if (scf_is_fb_blacklisted()) - *boot_config &= ~(UA_FASTREBOOT_DEFAULT | - UA_FASTREBOOT_ONPANIC); + return; #endif /* __x86 */ + *boot_config = (uint8_t)ret; return; } #if defined(FASTREBOOT_DEBUG) |