scsi: megasas: initialise local configuration data buffer
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>
(cherry picked from commit d37af74073
)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
stable-2.6
parent
1467b936d9
commit
19dcd481ac
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@ -1293,7 +1293,7 @@ static int megasas_dcmd_ld_get_info(MegasasState *s, MegasasCmd *cmd)
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static int megasas_dcmd_cfg_read(MegasasState *s, MegasasCmd *cmd)
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{
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uint8_t data[4096];
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uint8_t data[4096] = { 0 };
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struct mfi_config_data *info;
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int num_pd_disks = 0, array_offset, ld_offset;
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BusChild *kid;
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