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scsi: megasas: initialise local configuration data buffer

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When reading MegaRAID SAS controller configuration via MegaRAID
Firmware Interface(MFI) commands, routine megasas_dcmd_cfg_read
uses an uninitialised local data buffer. Initialise this buffer
to avoid stack information leakage.

Reported-by: Li Qiang <liqiang6-s@360.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <1464178304-12831-1-git-send-email-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Prasad J Pandit 2016-05-25 17:41:44 +05:30 committed by Paolo Bonzini
parent 1b85898025
commit d37af74073
1 changed files with 1 additions and 1 deletions
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hw/scsi/megasas.c
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@ -1293,7 +1293,7 @@ static int megasas_dcmd_ld_get_info(MegasasState *s, MegasasCmd *cmd)
static int megasas_dcmd_cfg_read(MegasasState *s, MegasasCmd *cmd)
{
uint8_t data[4096];
uint8_t data[4096] = { 0 };
struct mfi_config_data *info;
int num_pd_disks = 0, array_offset, ld_offset;
BusChild *kid;