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#0 avl_insert (tree=0x5555556cefd0, new=0x5555556cf120) at /usr/src/debug/libubox-git/libubox/avl.c:246
#1 0x00007ffff7e0c639 in req_data_cb (req=0x7fffffffe650, type=2, data=0x5555556d0630) at /usr/src/debug/ubus-git/ubus-git/libubus-req.c:29
#2 0x00007ffff7e0c95e in ubus_process_req_data (req=0x7fffffffe650, buf=0x5555556cf070) at /usr/src/debug/ubus-git/ubus-git/libubus-req.c:375
#3 ubus_process_req_msg (ctx=<optimized out>, buf=0x5555556cf070, fd=<optimized out>) at /usr/src/debug/ubus-git/ubus-git/libubus-req.c:505
#4 ubus_process_msg (ctx=<optimized out>, buf=0x5555556cf070, fd=<optimized out>) at /usr/src/debug/ubus-git/ubus-git/libubus.c:99
#5 0x00007ffff7e0d80c in ubus_handle_data (u=0x5555556cf010, events=<optimized out>) at /usr/src/debug/ubus-git/ubus-git/libubus-io.c:323
#6 0x00007ffff7e0d976 in ubus_poll_data (ctx=0x5555556cefc0, timeout=<optimized out>) at /usr/src/debug/ubus-git/ubus-git/libubus-io.c:346
#7 ubus_complete_request (ctx=ctx@entry=0x5555556cefc0, req=req@entry=0x7fffffffe650, req_timeout=req_timeout@entry=0) at /usr/src/debug/ubus-git/ubus-git/libubus-req.c:173
#8 0x00007ffff7e0de58 in ubus_add_object (ctx=ctx@entry=0x5555556cefc0, obj=obj@entry=0x5555556cf120) at /usr/src/debug/ubus-git/ubus-git/libubus-obj.c:241
#9 0x00007ffff7e0e6fe in ubus_register_event_handler (ctx=0x5555556cefc0, ev=ev@entry=0x5555556cf120, pattern=pattern@entry=0x55555555b1de "node.event")
at /usr/src/debug/ubus-git/ubus-git/libubus.c:256
while (!list_is_last(&last->list, &tree->list_head)) {
next = avl_next(last);
if (next->leader) { // here
break;
}
last = next;
}
(gdb) p *last
$3 = {list = {next = 0x0, prev = 0x0}, parent = 0x0, left = 0x0, right = 0x0, key = 0x5555556cf160, balance = 0 '\000', leader = true}
node == last, so this is the first iteration of the looplast->list.nextis NULL.&tree->list_headis non-NULL pointerlist_is_lastwon't return truecontainer_of(NULL, struct avl_node, list)is already moot but returns NULL
i'm working on a reproduction using publishable source code (or maybe a fix).
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