aboutsummaryrefslogtreecommitdiffci
path: root/patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch
diff refs
from: back
to: back
| flip
diff options
context:
space:
mode:
authorGravatar Saya Andy <saya.andy@posteo.com> 2026-09-18 21:45:43 +0700
committerGravatar Saya Andy <saya.andy@posteo.com> 2026-09-18 21:45:43 +0700
commit1f2b96ab1a13be88c57c78be08168c0bb0080088 (patch)
treecb830075f52e08698d63f0e5c4e1359a063a62b8 /patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch
parentee8c44555b0c3d61bf1998ddf3a5823db04ae68f (diff)
downloadkernel-surface-1f2b96ab1a13be88c57c78be08168c0bb0080088.tar.gz
kernel-surface-1f2b96ab1a13be88c57c78be08168c0bb0080088.zip
fix: adapt patches for some 7.2.6 kernel updates to remoteproc and usbfedora-45-kernel-7.2.6-patchset-1
Diffstat (limited to 'patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch')
-rw-r--r--patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch b/patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch
new file mode 100644
index 0000000..7bbb199
--- /dev/null
+++ b/patches/remoteproc/0003-soc-qcom-smp2p-Use-length-limited-strncmp-for-compar.patch
@@ -0,0 +1,24 @@
+A rogue (or broken) remoteproc might not null-terminate its entry names.
+Use strncmp() instead of strcmp() to avoid making out of bounds accesses in
+that situation.
+
+Fixes: 50e99641413e ("soc: qcom: smp2p: Qualcomm Shared Memory Point to Point")
+Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
+Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
+---
+ drivers/soc/qcom/smp2p.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
+index 876648d0b..dcf222b19 100644
+--- a/drivers/soc/qcom/smp2p.c
++++ b/drivers/soc/qcom/smp2p.c
+@@ -238,7 +238,7 @@ static void qcom_smp2p_notify_in(struct qcom_smp2p *smp2p)
+ for (i = smp2p->valid_entries; i < in->valid_entries; i++) {
+ list_for_each_entry(entry, &smp2p->inbound, node) {
+ memcpy(buf, in->entries[i].name, sizeof(buf));
+- if (!strcmp(buf, entry->name)) {
++ if (!strncmp(buf, entry->name, SMP2P_MAX_ENTRY_NAME)) {
+ entry->value = &in->entries[i].value;
+ break;
+ }