From: Greg Kroah-Hartman Date: Mon, 8 Jul 2024 13:18:42 +0000 (+0200) Subject: 5.4-stable patches X-Git-Tag: v6.6.38~14 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=730ba9749a05d5fd9010ff7e2e316eb8ebe55637;p=thirdparty%2Fkernel%2Fstable-queue.git 5.4-stable patches added patches: media-dw2102-fix-a-potential-buffer-overflow.patch --- diff --git a/queue-5.4/media-dw2102-fix-a-potential-buffer-overflow.patch b/queue-5.4/media-dw2102-fix-a-potential-buffer-overflow.patch new file mode 100644 index 00000000000..1c972930b10 --- /dev/null +++ b/queue-5.4/media-dw2102-fix-a-potential-buffer-overflow.patch @@ -0,0 +1,35 @@ +From 1c73d0b29d04bf4082e7beb6a508895e118ee30d Mon Sep 17 00:00:00 2001 +From: Mauro Carvalho Chehab +Date: Mon, 29 Apr 2024 15:15:05 +0100 +Subject: media: dw2102: fix a potential buffer overflow + +From: Mauro Carvalho Chehab + +commit 1c73d0b29d04bf4082e7beb6a508895e118ee30d upstream. + +As pointed by smatch: + drivers/media/usb/dvb-usb/dw2102.c:802 su3000_i2c_transfer() error: __builtin_memcpy() '&state->data[4]' too small (64 vs 67) + +That seemss to be due to a wrong copy-and-paste. + +Fixes: 0e148a522b84 ("media: dw2102: Don't translate i2c read into write") + +Reported-by: Hans Verkuil +Reviewed-by: Hans Verkuil +Signed-off-by: Mauro Carvalho Chehab +Signed-off-by: Greg Kroah-Hartman +--- + drivers/media/usb/dvb-usb/dw2102.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/media/usb/dvb-usb/dw2102.c ++++ b/drivers/media/usb/dvb-usb/dw2102.c +@@ -786,7 +786,7 @@ static int su3000_i2c_transfer(struct i2 + + if (msg[j].flags & I2C_M_RD) { + /* single read */ +- if (1 + msg[j].len > sizeof(state->data)) { ++ if (4 + msg[j].len > sizeof(state->data)) { + warn("i2c rd: len=%d is too big!\n", msg[j].len); + num = -EOPNOTSUPP; + break; diff --git a/queue-5.4/series b/queue-5.4/series index 909b2faf54d..597afb36abb 100644 --- a/queue-5.4/series +++ b/queue-5.4/series @@ -40,3 +40,4 @@ revert-mm-writeback-fix-possible-divide-by-zero-in-wb_dirty_limits-again.patch drm-nouveau-fix-null-pointer-dereference-in-nouveau_connector_get_modes.patch drm-amdgpu-atomfirmware-silence-ubsan-warning.patch bnx2x-fix-multiple-ubsan-array-index-out-of-bounds.patch +media-dw2102-fix-a-potential-buffer-overflow.patch