二叉树的题，来几个大佬帮忙看看

我在VS上调试没有报错，力扣提交就报错，帮忙看看是什么问题

Line 15:===================================================================22==ERROR: AddressSanitizer: stack-use-after-return on address 0x7fd2bc500120 at pc 0x55771ea67133 bp 0x7fffc92caec0 sp 0x7fffc92caeb0READ of size 8 at 0x7fd2bc500120 thread T0 #0 0x55771ea67132 in BSTtree solution.c:15 #1 0x55771ea66f63 in BSTtree solution.c:15 #2 0x55771ea66f63 in BSTtree solution.c:15 #3 0x55771ea6726f in increasingBST solution.c:15 #4 0x55771ea66a45 in main solution.c:15 #5 0x7fd2be833d8f (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f) (BuildId: 490fef8403240c91833978d494d39e537409b92e) #6 0x7fd2be833e3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e3f) (BuildId: 490fef8403240c91833978d494d39e537409b92e) #7 0x55771ea66dc4 in _start (solution+0x1ddc4) (BuildId: aaf1c4bf7d5c2373dcd1bb374980f1367e5a5959)Address 0x7fd2bc500120 is located in stack of thread T0 at offset 32 in frame #0 0x55771ea66e9f in BSTtree solution.c:15 This frame has 1 object(s): [32, 40) 'root' (line 12) <== Memory access at offset 32 is inside this variableHINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork (longjmp and C++ exceptions *are* supported)SUMMARY: AddressSanitizer: stack-use-after-return solution.c:15 in BSTtreeShadow bytes around the buggy address: 0x7fd2bc4ffe80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc4fff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc4fff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc500000: f1 f1 f1 f1 00 f3 f3 f3 f1 f1 f1 f1 00 f3 f3 f3 0x7fd2bc500080: f1 f1 f1 f1 00 f3 f3 f3 f1 f1 f1 f1 00 f3 f3 f3=>0x7fd2bc500100: f5 f5 f5 f5[f5]f5 f5 f5 00 00 00 00 00 00 00 00 0x7fd2bc500180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc500200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc500280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc500300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7fd2bc500380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb==22==ABORTING