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Revision 27de809a3d83a6199664479ebb19712533d6fd9b authored by Björn Töpel on 28 October 2021, 12:51:15 UTC, committed by Jakub Kicinski on 28 October 2021, 15:14:30 UTC 
riscv, bpf: Fix potential NULL dereference
 
The bpf_jit_binary_free() function requires a non-NULL argument. When
the RISC-V BPF JIT fails to converge in NR_JIT_ITERATIONS steps,
jit_data->header will be NULL, which triggers a NULL
dereference. Avoid this by checking the argument, prior calling the
function.

Fixes: ca6cb5447cec ("riscv, bpf: Factor common RISC-V JIT code")
Signed-off-by: Björn Töpel <bjorn@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20211028125115.514587-1-bjorn@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1 parent 20af886
Raw File
Kconfig 
# SPDX-License-Identifier: GPL-2.0
menu "Device Drivers"

# Keep I/O buses first

source "drivers/amba/Kconfig"
source "drivers/eisa/Kconfig"
source "drivers/pci/Kconfig"
source "drivers/cxl/Kconfig"
source "drivers/pcmcia/Kconfig"
source "drivers/rapidio/Kconfig"


source "drivers/base/Kconfig"

source "drivers/bus/Kconfig"

source "drivers/connector/Kconfig"

source "drivers/firmware/Kconfig"

source "drivers/gnss/Kconfig"

source "drivers/mtd/Kconfig"

source "drivers/of/Kconfig"

source "drivers/parport/Kconfig"

source "drivers/pnp/Kconfig"

source "drivers/block/Kconfig"

source "drivers/nvme/Kconfig"

source "drivers/misc/Kconfig"

source "drivers/scsi/Kconfig"

source "drivers/ata/Kconfig"

source "drivers/md/Kconfig"

source "drivers/target/Kconfig"

source "drivers/message/fusion/Kconfig"

source "drivers/firewire/Kconfig"

source "drivers/macintosh/Kconfig"

source "drivers/net/Kconfig"

source "drivers/isdn/Kconfig"

# input before char - char/joystick depends on it. As does USB.

source "drivers/input/Kconfig"

source "drivers/char/Kconfig"

source "drivers/i2c/Kconfig"

source "drivers/i3c/Kconfig"

source "drivers/spi/Kconfig"

source "drivers/spmi/Kconfig"

source "drivers/hsi/Kconfig"

source "drivers/pps/Kconfig"

source "drivers/ptp/Kconfig"

source "drivers/pinctrl/Kconfig"

source "drivers/gpio/Kconfig"

source "drivers/w1/Kconfig"

source "drivers/power/Kconfig"

source "drivers/hwmon/Kconfig"

source "drivers/thermal/Kconfig"

source "drivers/watchdog/Kconfig"

source "drivers/ssb/Kconfig"

source "drivers/bcma/Kconfig"

source "drivers/mfd/Kconfig"

source "drivers/regulator/Kconfig"

source "drivers/media/Kconfig"

source "drivers/video/Kconfig"

source "sound/Kconfig"

source "drivers/hid/Kconfig"

source "drivers/usb/Kconfig"

source "drivers/mmc/Kconfig"

source "drivers/memstick/Kconfig"

source "drivers/leds/Kconfig"

source "drivers/accessibility/Kconfig"

source "drivers/infiniband/Kconfig"

source "drivers/edac/Kconfig"

source "drivers/rtc/Kconfig"

source "drivers/dma/Kconfig"

source "drivers/dma-buf/Kconfig"

source "drivers/dca/Kconfig"

source "drivers/auxdisplay/Kconfig"

source "drivers/uio/Kconfig"

source "drivers/vfio/Kconfig"

source "drivers/vlynq/Kconfig"

source "drivers/virt/Kconfig"

source "drivers/virtio/Kconfig"

source "drivers/vdpa/Kconfig"

source "drivers/vhost/Kconfig"

source "drivers/hv/Kconfig"

source "drivers/xen/Kconfig"

source "drivers/greybus/Kconfig"

source "drivers/comedi/Kconfig"

source "drivers/staging/Kconfig"

source "drivers/platform/Kconfig"

source "drivers/clk/Kconfig"

source "drivers/hwspinlock/Kconfig"

source "drivers/clocksource/Kconfig"

source "drivers/mailbox/Kconfig"

source "drivers/iommu/Kconfig"

source "drivers/remoteproc/Kconfig"

source "drivers/rpmsg/Kconfig"

source "drivers/soundwire/Kconfig"

source "drivers/soc/Kconfig"

source "drivers/devfreq/Kconfig"

source "drivers/extcon/Kconfig"

source "drivers/memory/Kconfig"

source "drivers/iio/Kconfig"

source "drivers/ntb/Kconfig"

source "drivers/vme/Kconfig"

source "drivers/pwm/Kconfig"

source "drivers/irqchip/Kconfig"

source "drivers/ipack/Kconfig"

source "drivers/reset/Kconfig"

source "drivers/phy/Kconfig"

source "drivers/powercap/Kconfig"

source "drivers/mcb/Kconfig"

source "drivers/perf/Kconfig"

source "drivers/ras/Kconfig"

source "drivers/thunderbolt/Kconfig"

source "drivers/android/Kconfig"

source "drivers/gpu/trace/Kconfig"

source "drivers/nvdimm/Kconfig"

source "drivers/dax/Kconfig"

source "drivers/nvmem/Kconfig"

source "drivers/hwtracing/Kconfig"

source "drivers/fpga/Kconfig"

source "drivers/fsi/Kconfig"

source "drivers/tee/Kconfig"

source "drivers/mux/Kconfig"

source "drivers/opp/Kconfig"

source "drivers/visorbus/Kconfig"

source "drivers/siox/Kconfig"

source "drivers/slimbus/Kconfig"

source "drivers/interconnect/Kconfig"

source "drivers/counter/Kconfig"

source "drivers/most/Kconfig"
endmenu
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