mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-30 23:33:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

ppc/xive: Fix uint32_t overflow

Browse Source 
As reported by Coverity, "idx << xive->pc_shift" is evaluated using
32-bit arithmetic, and then used in a context expecting a "uint64_t".
Add a uint64_t cast.

Fixes: Coverity CID 1519049
Fixes: b68147b7a5 ("ppc/xive: Add support for the PC MMIOs")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-ID: <20230914154650.222111-1-clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Cédric Le Goater 2023-09-14 17:46:50 +02:00 committed by Daniel Henrique Barboza
parent 0cbc34dc8e
commit 527b238329
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hw/intc/pnv_xive.c
View File

@ -210,7 +210,7 @@ static uint64_t pnv_xive_vst_addr_remote(PnvXive *xive, uint32_t type,
return 0;
}
remote_addr |= idx << xive->pc_shift;
remote_addr |= ((uint64_t)idx) << xive->pc_shift;
vst_addr = address_space_ldq_be(&address_space_memory, remote_addr,
MEMTXATTRS_UNSPECIFIED, &result);