Sibi Sankar 988fcef346 remoteproc: qcom_q6v5_mss: Validate modem blob firmware size before load ... commit 135b9e8d1c upstream. The following mem abort is observed when one of the modem blob firmware size exceeds the allocated mpss region. Fix this by restricting the copy size to segment size using request_firmware_into_buf before load. Err Logs: Unable to handle kernel paging request at virtual address Mem abort info: ... Call trace: __memcpy+0x110/0x180 rproc_start+0xd0/0x190 rproc_boot+0x404/0x550 state_store+0x54/0xf8 dev_attr_store+0x44/0x60 sysfs_kf_write+0x58/0x80 kernfs_fop_write+0x140/0x230 vfs_write+0xc4/0x208 ksys_write+0x74/0xf8 ... Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Fixes: 051fb70fd4 ("remoteproc: qcom: Driver for the self-authenticating Hexagon v5") Cc: stable@vger.kernel.org Signed-off-by: Sibi Sankar <sibis@codeaurora.org> Link: https://lore.kernel.org/r/20200722201047.12975-3-sibis@codeaurora.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-08-21 13:05:29 +02:00
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Kconfig	…
Makefile	…
da8xx_remoteproc.c	…
imx_rproc.c	…
keystone_remoteproc.c	…
omap_remoteproc.c	…
omap_remoteproc.h	…
qcom_common.c	…
qcom_common.h	…
qcom_q6v5.c	remoteproc: qcom: q6v5: Update running state before requesting stop	2020-08-21 13:05:29 +02:00
qcom_q6v5.h	…
qcom_q6v5_adsp.c	…
qcom_q6v5_mss.c	remoteproc: qcom_q6v5_mss: Validate modem blob firmware size before load	2020-08-21 13:05:29 +02:00
qcom_q6v5_pas.c	…
qcom_q6v5_wcss.c	…
qcom_sysmon.c	…
qcom_wcnss.c	…
qcom_wcnss.h	…
qcom_wcnss_iris.c	…
remoteproc_core.c	…
remoteproc_debugfs.c	…
remoteproc_elf_loader.c	…
remoteproc_internal.h	…
remoteproc_sysfs.c	…
remoteproc_virtio.c	…
st_remoteproc.c	…
st_slim_rproc.c	…
stm32_rproc.c	…
wkup_m3_rproc.c	…