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![]() [ Upstream commit be7f62eebaff2f86c1467a2d33930a0a7a87675b ]
priv->cbs is an array of priv->info->num_cbs_shapers elements of type
struct sja1105_cbs_entry which only get allocated if CONFIG_NET_SCH_CBS
is enabled.
However, sja1105_reload_cbs() is called from sja1105_static_config_reload()
which in turn is called for any of the items in sja1105_reset_reasons,
therefore during the normal runtime of the driver and not just from a
code path which can be triggered by the tc-cbs offload.
The sja1105_reload_cbs() function does not contain a check whether the
priv->cbs array is NULL or not, it just assumes it isn't and proceeds to
iterate through the credit-based shaper elements. This leads to a NULL
pointer dereference.
The solution is to return success if the priv->cbs array has not been
allocated, since sja1105_reload_cbs() has nothing to do.
Fixes:
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.. | ||
b53 | ||
microchip | ||
mv88e6xxx | ||
ocelot | ||
qca | ||
sja1105 | ||
bcm_sf2_cfp.c | ||
bcm_sf2_regs.h | ||
bcm_sf2.c | ||
bcm_sf2.h | ||
dsa_loop_bdinfo.c | ||
dsa_loop.c | ||
dsa_loop.h | ||
Kconfig | ||
lan9303_i2c.c | ||
lan9303_mdio.c | ||
lan9303-core.c | ||
lan9303.h | ||
lantiq_gswip.c | ||
lantiq_pce.h | ||
Makefile | ||
mt7530.c | ||
mt7530.h | ||
mv88e6060.c | ||
mv88e6060.h | ||
qca8k.c | ||
qca8k.h | ||
realtek-smi-core.c | ||
realtek-smi-core.h | ||
rtl8366.c | ||
rtl8366rb.c | ||
vitesse-vsc73xx-core.c | ||
vitesse-vsc73xx-platform.c | ||
vitesse-vsc73xx-spi.c | ||
vitesse-vsc73xx.h |