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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5a508a254b
There is a race between driver code that does setup/cleanup of device
and devlink reload operation that in some drivers works with the same
code. Use after free could we easily obtained by running:
while true; do
echo "0000:00:10.0" >/sys/bus/pci/drivers/mlxsw_spectrum2/bind
devlink dev reload pci/0000:00:10.0 &
echo "0000:00:10.0" >/sys/bus/pci/drivers/mlxsw_spectrum2/unbind
done
Fix this by enabling reload only after setup of device is complete and
disabling it at the beginning of the cleanup process.
Reported-by: Ido Schimmel <idosch@mellanox.com>
Fixes:
|
||
|---|---|---|
| .. | ||
| alloc.c | ||
| catas.c | ||
| cmd.c | ||
| cq.c | ||
| crdump.c | ||
| en_clock.c | ||
| en_cq.c | ||
| en_dcb_nl.c | ||
| en_ethtool.c | ||
| en_main.c | ||
| en_netdev.c | ||
| en_port.c | ||
| en_port.h | ||
| en_resources.c | ||
| en_rx.c | ||
| en_selftest.c | ||
| en_tx.c | ||
| eq.c | ||
| fw_qos.c | ||
| fw_qos.h | ||
| fw.c | ||
| fw.h | ||
| icm.c | ||
| icm.h | ||
| intf.c | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| mcg.c | ||
| mlx4_en.h | ||
| mlx4_stats.h | ||
| mlx4.h | ||
| mr.c | ||
| pd.c | ||
| port.c | ||
| profile.c | ||
| qp.c | ||
| reset.c | ||
| resource_tracker.c | ||
| sense.c | ||
| srq.c | ||