From aaeb341086b99ae01a133fd0b56fb3f881f36e44 Mon Sep 17 00:00:00 2001 From: Chris Luke Date: Tue, 23 May 2017 11:46:52 -0400 Subject: Simple script to 'git blame' on new Coverity issues - Pass an email in to stdin and the script produces output similar to: Hi, Please find the latest report on new defect(s) introduced to fd.io VPP found with Coverity Scan. New defect(s) Reported-by: Coverity Scan Showing 2 of 2 defect(s) ** CID 167726: Resource leaks (RESOURCE_LEAK) /src/vnet/devices/af_packet/device.c: 215 in af_packet_interface_admin_up_down() ________________________________________________________________________________________________________ *** CID 167726: Resource leaks (RESOURCE_LEAK) /src/vnet/devices/af_packet/device.c: 215 in af_packet_interface_admin_up_down() >>> CID 167726: Resource leaks (RESOURCE_LEAK) >>> Handle variable "fd" going out of scope leaks the handle. 00a9dcad vnet/vnet/devices/af_packet/device.c (Damjan Marion 2016-08-17 209) af_packet_if_t *apif = 00a9dcad vnet/vnet/devices/af_packet/device.c (Damjan Marion 2016-08-17 210) pool_elt_at_index (apm->interfaces, hw->dev_instance); 83cc4e14 vnet/vnet/devices/af_packet/device.c (Alpesh Patel 2016-04-05 211) u32 hw_flags; c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 212) int rv, fd = socket (AF_UNIX, SOCK_DGRAM, 0); c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 213) struct ifreq ifr; c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 214) c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 215) /* if interface is a bridge ignore */ c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 216) if (apif->host_if_index < 0) 2038ad01 src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-05-18 217) goto error; /* no error */ c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 218) c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 219) /* use host_if_index in case host name has changed */ c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 220) ifr.ifr_ifindex = apif->host_if_index; ** CID 167725: Error handling issues (NEGATIVE_RETURNS) /src/vnet/devices/af_packet/device.c: 252 in af_packet_interface_admin_up_down() ________________________________________________________________________________________________________ *** CID 167725: Error handling issues (NEGATIVE_RETURNS) /src/vnet/devices/af_packet/device.c: 252 in af_packet_interface_admin_up_down() >>> CID 167725: Error handling issues (NEGATIVE_RETURNS) >>> "fd" is passed to a parameter that cannot be negative. c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 246) } c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 247) c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 248) if ((rv = ioctl (fd, SIOCSIFFLAGS, &ifr)) < 0) c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 249) { c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 250) clib_unix_warning ("af_packet_%s error: %d", c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 251) apif->is_admin_up ? "up" : "down", rv); 2038ad01 src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-05-18 252) goto error; c855b73f src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-04-21 253) } 83cc4e14 vnet/vnet/devices/af_packet/device.c (Alpesh Patel 2016-04-05 254) 00a9dcad vnet/vnet/devices/af_packet/device.c (Damjan Marion 2016-08-17 255) vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags); 83cc4e14 vnet/vnet/devices/af_packet/device.c (Alpesh Patel 2016-04-05 256) 2038ad01 src/vnet/devices/af_packet/device.c (Ray Kinsella 2017-05-18 257) error: Change-Id: I9756c16ea24e7520704155ae1f6c5f132087e3bc Signed-off-by: Chris Luke --- build-root/scripts/coverity-blame.sh | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100755 build-root/scripts/coverity-blame.sh diff --git a/build-root/scripts/coverity-blame.sh b/build-root/scripts/coverity-blame.sh new file mode 100755 index 00000000000..8775ea48d99 --- /dev/null +++ b/build-root/scripts/coverity-blame.sh @@ -0,0 +1,36 @@ +#!/bin/sh + +# Read coverity email on stdin +# whenever we find a filename & line number reference, go git-blame it + +file= +start= +end= + +while read line; do + if echo "$line" | grep -q '^/.*: '; then + echo "$line" + file=$(echo "$line" | cut -d: -f1) + elif echo "$line" | grep -q '^[*]'; then + echo "$line" + file= + start= + end= + elif echo "$line" | grep -q '^[0-9][0-9]*'; then + num=$(echo "$line" | awk '{print $1}') + [ -z "$start" ] && start=$num + #git blame -L "$num,+1" ".$file" | cat + elif [ -z "$line" ]; then + if [ "$start" -a "$num" -a "$file" ]; then + end=$num + git blame --date=short -L "$start,$end" ".$file" | cat + start= + end= + num= + else + echo "$line" + fi + else + echo "$line" + fi +done -- cgit 1.2.3-korg