Change in simtrace2[master]: cardem: Fix infinite loop + watchdog reset on long OUT message

[laforge]

laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/simtrace2/+/17305 )


Change subject: cardem: Fix infinite loop + watchdog reset on long OUT message
......................................................................

cardem: Fix infinite loop + watchdog reset on long OUT message

In dispatch_received_usb_msg(), we ran into an infinite loop if a
too long messages was received on the OUT EP.  Let's break the loop.

Change-Id: I5325ed15d3dd79a42f8dac34d618e86b9334c301
Closes: OS#4429
---
M firmware/libcommon/source/mode_cardemu.c
1 file changed, 1 insertion(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/simtrace2 refs/changes/05/17305/1

diff --git a/firmware/libcommon/source/mode_cardemu.c b/firmware/libcommon/source/mode_cardemu.c
index c5c173f..5b17f86 100644
--- a/firmware/libcommon/source/mode_cardemu.c
+++ b/firmware/libcommon/source/mode_cardemu.c
@@ -682,6 +682,7 @@
 			TRACE_ERROR("%u: Unexpected large message (%u bytes)\n",
 					ci->num, mh->msg_len);
 			usb_buf_free(segm);
+			break;
 		} else {
 			uint8_t *cur = msgb_put(segm, mh->msg_len);
 			segm->l1h = segm->head;

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Gerrit-Project: simtrace2
Gerrit-Branch: master
Gerrit-Change-Id: I5325ed15d3dd79a42f8dac34d618e86b9334c301
Gerrit-Change-Number: 17305
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-MessageType: newchange
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