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zebra: Fix nexthop group memory leak
Address Sanitizer found this: ================================================================= ==418623==ERROR: LeakSanitizer: detected memory leaks Direct leak of 128 byte(s) in 4 object(s) allocated from: #0 0x4bd732 in calloc (/usr/lib/frr/zebra+0x4bd732) #1 0x7feaeab8f798 in qcalloc /home/sharpd/frr8/lib/memory.c:116:27 #2 0x7feaeaba40f4 in nexthop_group_new /home/sharpd/frr8/lib/nexthop_group.c:270:9 #3 0x56859b in netlink_route_change_read_unicast /home/sharpd/frr8/zebra/rt_netlink.c:950:9 #4 0x5651c2 in netlink_route_change /home/sharpd/frr8/zebra/rt_netlink.c:1204:2 #5 0x54af15 in netlink_information_fetch /home/sharpd/frr8/zebra/kernel_netlink.c:407:10 #6 0x53e7a3 in netlink_parse_info /home/sharpd/frr8/zebra/kernel_netlink.c:1184:12 #7 0x548d46 in kernel_read /home/sharpd/frr8/zebra/kernel_netlink.c:501:2 #8 0x7feaeacc87f6 in thread_call /home/sharpd/frr8/lib/thread.c:2006:2 #9 0x7feaeab36503 in frr_run /home/sharpd/frr8/lib/libfrr.c:1198:3 #10 0x550d38 in main /home/sharpd/frr8/zebra/main.c:476:2 #11 0x7feaea492d09 in __libc_start_main csu/../csu/libc-start.c:308:16 Indirect leak of 576 byte(s) in 4 object(s) allocated from: #0 0x4bd732 in calloc (/usr/lib/frr/zebra+0x4bd732) #1 0x7feaeab8f798 in qcalloc /home/sharpd/frr8/lib/memory.c:116:27 #2 0x7feaeab9b3f8 in nexthop_new /home/sharpd/frr8/lib/nexthop.c:373:7 #3 0x56875e in netlink_route_change_read_unicast /home/sharpd/frr8/zebra/rt_netlink.c:960:15 #4 0x5651c2 in netlink_route_change /home/sharpd/frr8/zebra/rt_netlink.c:1204:2 #5 0x54af15 in netlink_information_fetch /home/sharpd/frr8/zebra/kernel_netlink.c:407:10 #6 0x53e7a3 in netlink_parse_info /home/sharpd/frr8/zebra/kernel_netlink.c:1184:12 #7 0x548d46 in kernel_read /home/sharpd/frr8/zebra/kernel_netlink.c:501:2 #8 0x7feaeacc87f6 in thread_call /home/sharpd/frr8/lib/thread.c:2006:2 #9 0x7feaeab36503 in frr_run /home/sharpd/frr8/lib/libfrr.c:1198:3 #10 0x550d38 in main /home/sharpd/frr8/zebra/main.c:476:2 #11 0x7feaea492d09 in __libc_start_main csu/../csu/libc-start.c:308:16 SUMMARY: AddressSanitizer: 704 byte(s) leaked in 8 allocation(s). Fix this! Signed-off-by: Donald Sharp <[email protected]>
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