WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#245: 
new file mode 100755

WARNING: line length of 94 exceeds 80 columns
#260: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:11:
+# ┌-----------------┐                                             ┌------------------┐

WARNING: line length of 86 exceeds 80 columns
#261: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:12:
+# |     SOURCE_NS   |                                             |     SINK_NS      |

WARNING: line length of 86 exceeds 80 columns
#262: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:13:
+# |    NAMESPACE    |                                             |    NAMESPACE     |

WARNING: line length of 86 exceeds 80 columns
#263: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:14:
+# |(iperf3 clients) |                                             | (iperf3 servers) |

WARNING: line length of 86 exceeds 80 columns
#264: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:15:
+# |                 |                                             |                  |

WARNING: line length of 86 exceeds 80 columns
#265: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:16:
+# |                 |                                             |                  |

WARNING: line length of 90 exceeds 80 columns
#266: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:17:
+# |     ┌-----------|                             nexthops        |---------┐        |

WARNING: line length of 88 exceeds 80 columns
#267: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:18:
+# |     |veth_source|<------------------------------------------->|veth_sink|<-┐     |

WARNING: line length of 90 exceeds 80 columns
#268: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:19:
+# |     └-----------| 2001:0DB8:1::0:1/96     2001:0DB8:1::1:1/96 |---------┘  |     |

WARNING: line length of 86 exceeds 80 columns
#269: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:20:
+# |                 |         ^               2001:0DB8:1::1:2/96 |            |     |

WARNING: line length of 86 exceeds 80 columns
#270: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:21:
+# |                 |         .                       .           |            | fwd |

WARNING: line length of 90 exceeds 80 columns
#271: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:22:
+# |   ┌---------┐   |         .                       .           |            |     |

WARNING: line length of 86 exceeds 80 columns
#272: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:23:
+# |   |   IPv6  |   |         .                       .           |            V     |

WARNING: line length of 90 exceeds 80 columns
#273: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:24:
+# |   | routing |   |         .               2001:0DB8:1::1:80/96|         ┌-----┐  |

WARNING: line length of 86 exceeds 80 columns
#274: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:25:
+# |   |  table  |   |         .                                   |         | lo  |  |

WARNING: line length of 94 exceeds 80 columns
#275: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:26:
+# |   | nexthop |   |         .                                   └---------┴-----┴--┘

WARNING: line length of 86 exceeds 80 columns
#276: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:27:
+# |   | update  |   |         ..................................> 2001:0DB8:2::1:1/128

WARNING: line length of 101 exceeds 80 columns
#349: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:100:
+		[ -e /proc/$pid/cmdline ] && grep -qe "${pattern}" /proc/$pid/cmdline && kill -9 $pid

WARNING: line length of 88 exceeds 80 columns
#354: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:105:
+	echo "info: cleaning up namespaces and terminating all processes within them..."

WARNING: line length of 98 exceeds 80 columns
#357: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:108:
+	# Terminate iperf3 instances running in source_ns. To avoid race conditions, first iterate

WARNING: line length of 101 exceeds 80 columns
#358: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:109:
+	# over the PIDs in this namespace and terminate those associated with the bash shells running

WARNING: line length of 100 exceeds 80 columns
#359: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:110:
+	# the `while true; do iperf3 -c ...; done loops`. In a second iteration over the PIDs within

WARNING: line length of 81 exceeds 80 columns
#360: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:111:
+	# the same namespace, terminate the individual `iperf3 -c ...` instances.

WARNING: line length of 118 exceeds 80 columns
#369: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:120:
+	# Check if any iperf3 instances are still running. This could occur if a core has entered an infinite loop and

WARNING: line length of 118 exceeds 80 columns
#370: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:121:
+	# the timeout for the soft lockup to be detected has not expired yet, but either the test interval has already

WARNING: line length of 90 exceeds 80 columns
#373: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:124:
+		if [ -e /proc/$pid/cmdline ] && grep -qe 'iperf3' /proc/$pid/cmdline; then

WARNING: line length of 134 exceeds 80 columns
#374: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:125:
+			echo "FAIL: unable to terminate some iperf3 instances. Soft lockup is underway. A kernel panic is on the way!"

WARNING: line length of 100 exceeds 80 columns
#382: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:133:
+		echo "PASS: No kernel soft lockup occurred during this ${TEST_DURATION} second test"

WARNING: line length of 117 exceeds 80 columns
#393: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:144:
+	ip -n ${source_ns} link add name ${SOURCE_TEST_IFACE} type veth peer name ${SINK_TEST_IFACE} netns ${sink_ns}

WARNING: line length of 83 exceeds 80 columns
#396: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:147:
+	ip -n ${source_ns} addr add ${SOURCE_TEST_IP_ADDR} dev ${SOURCE_TEST_IFACE}

WARNING: line length of 82 exceeds 80 columns
#399: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:150:
+	ip netns exec ${source_ns} sysctl -qw net.ipv6.fib_multipath_hash_policy=1

WARNING: line length of 110 exceeds 80 columns
#402: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:153:
+	ip -n ${sink_ns} addr add ${SINK_LOOPBACK_IP_ADDR}/${SINK_LOOPBACK_IP_MASK} dev ${SINK_LOOPBACK_IFACE}

WARNING: line length of 93 exceeds 80 columns
#404: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:155:
+	ip netns exec ${sink_ns} sysctl -qw net.ipv6.conf.${SINK_LOOPBACK_IFACE}.forwarding=1

WARNING: line length of 89 exceeds 80 columns
#407: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:158:
+	ip netns exec ${sink_ns} sysctl -qw net.ipv6.conf.${SINK_TEST_IFACE}.forwarding=1

WARNING: line length of 90 exceeds 80 columns
#410: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:161:
+	# Populating Nexthop IPv6 addresses on the test interface of the sink_ns namespace

WARNING: line length of 113 exceeds 80 columns
#411: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:162:
+	echo "info: populating ${IPV6_NEXTHOP_ADDR_COUNT} IPv6 addresses on the ${SINK_TEST_IFACE} interface ..."

WARNING: line length of 140 exceeds 80 columns
#413: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:164:
+		ip -n ${sink_ns} addr add ${IPV6_NEXTHOP_PREFIX}::$(printf "1:%x" "${IP}")/${IPV6_NEXTHOP_ADDR_MASK} dev ${SINK_TEST_IFACE};

WARNING: line length of 141 exceeds 80 columns
#418: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:169:
+		nexthop_ip_list=$nexthop_ip_list" nexthop via ${IPV6_NEXTHOP_PREFIX}::$(printf "1:%x" $IP) dev ${SOURCE_TEST_IFACE} weight 1"

WARNING: line length of 123 exceeds 80 columns
#424: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:175:
+	# Start num_of_iperf_servers iperf3 servers in the sink_ns namespace, each listening on ports, starting at 5001 and

WARNING: line length of 122 exceeds 80 columns
#426: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:177:
+	# Since iperf3 instances may abort due to unexpected errors, a while loop is used to automatically restart them in

WARNING: line length of 97 exceeds 80 columns
#428: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:179:
+	echo "info: starting ${num_of_iperf_servers} iperf3 servers in the sink_ns namespace ..."

WARNING: line length of 119 exceeds 80 columns
#430: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:181:
+		cmd="iperf3 --bind ${SINK_LOOPBACK_IP_ADDR} -s -p $(printf '5%03d' ${i}) --rcv-timeout 200 &>/dev/null"

WARNING: line length of 92 exceeds 80 columns
#431: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:182:
+		ip netns exec ${sink_ns} bash -c "while true; do ${cmd}; done &" &>/dev/null

WARNING: line length of 86 exceeds 80 columns
#441: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:192:
+	# Continuously refresh the routing table in background in the Source namespase

WARNING: line length of 109 exceeds 80 columns
#444: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:195:
+			ip -6 route add ${SINK_LOOPBACK_IP_ADDR}/${SINK_LOOPBACK_IP_MASK} ${nexthop_ip_list};

WARNING: line length of 93 exceeds 80 columns
#446: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:197:
+			ip -6 route delete ${SINK_LOOPBACK_IP_ADDR}/${SINK_LOOPBACK_IP_MASK};

WARNING: line length of 142 exceeds 80 columns
#449: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:200:
+	# Start num_of_iperf_servers iperf3 clients in the source_ns namespace, each sending TCP traffic on sequential ports starting at 5001.

WARNING: line length of 143 exceeds 80 columns
#450: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:201:
+	# Since iperf3 instances may abort due to unexpected errors (e.g., when the route from the client to the server is concurrently deleted

WARNING: line length of 122 exceeds 80 columns
#451: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:202:
+	# in the background during a route refresh), a while loop is used to automatically restart them in such scenarios.

WARNING: line length of 99 exceeds 80 columns
#452: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:203:
+	echo "info: starting ${num_of_iperf_servers} iperf3 clients in the source_ns namespace ..."

WARNING: line length of 161 exceeds 80 columns
#454: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:205:
+		cmd="iperf3 -c ${SINK_LOOPBACK_IP_ADDR} -p $(printf '5%03d' ${i}) --length 64 --bitrate ${IPERF3_BITRATE} -t 0 --connect-timeout 150 &>/dev/null"

WARNING: line length of 94 exceeds 80 columns
#455: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:206:
+		ip netns exec ${source_ns} bash -c "while true; do ${cmd}; done &" &>/dev/null

WARNING: line length of 155 exceeds 80 columns
#458: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:209:
+	echo "info: IPv6 routing table is being updated at the rate of $(echo "1/${ROUTING_TABLE_REFRESH_PERIOD}" | bc)/s for ${TEST_DURATION} seconds ..."

WARNING: line length of 82 exceeds 80 columns
#459: FILE: tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh:210:
+	echo "info: A kernel soft lockup, if detected, results in a kernel panic!"

total: 0 errors, 55 warnings, 0 checks, 383 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 896cf11fe286 ("ipv6: Fix soft lockups in fib6_select_path under high next hop churn") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 55 warnings, 0 checks, 383 lines checked