================================================================= ==18775==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60b000000362 at pc 0x5628fb5a9b76 bp 0x7ffe04c1dc30 sp 0x7ffe04c1dc20 READ of size 1 at 0x60b000000362 thread T0 #0 0x5628fb5a9b75 in MClearArea /mnt/ram/screen-4.6.2/ansi.c:2656 #1 0x5628fb5a1b04 in ClearLineRegion /mnt/ram/screen-4.6.2/ansi.c:2016 #2 0x5628fb597f84 in DoCSI /mnt/ram/screen-4.6.2/ansi.c:1166 #3 0x5628fb592c6b in WriteString /mnt/ram/screen-4.6.2/ansi.c:592 #4 0x5628fb5f3657 in win_readev_fn /mnt/ram/screen-4.6.2/window.c:1958 #5 0x5628fb699caa in sched /mnt/ram/screen-4.6.2/sched.c:237 #6 0x5628fb5824d2 in main /mnt/ram/screen-4.6.2/screen.c:1466 #7 0x7fc9a260af85 in __libc_start_main (/lib64/libc.so.6+0x20f85) #8 0x5628fb57d319 in _start (/mnt/ram/screen-4.6.2/screen+0x2c319) 0x60b000000362 is located 0 bytes to the right of 98-byte region [0x60b000000300,0x60b000000362) allocated by thread T0 here: #0 0x7fc9a354ce20 in malloc (/usr/lib/gcc/x86_64-pc-linux-gnu/7.3.0/libasan.so.4+0xe0e20) #1 0x5628fb5cf68e in xrealloc /mnt/ram/screen-4.6.2/resize.c:623 #2 0x5628fb5ce51f in CheckMaxSize /mnt/ram/screen-4.6.2/resize.c:544 #3 0x5628fb5caf63 in ChangeScreenSize /mnt/ram/screen-4.6.2/resize.c:182 #4 0x5628fb5ca938 in CheckScreenSize /mnt/ram/screen-4.6.2/resize.c:143 #5 0x5628fb6057c6 in InitTermcap /mnt/ram/screen-4.6.2/termcap.c:413 #6 0x5628fb581d27 in main /mnt/ram/screen-4.6.2/screen.c:1371 #7 0x7fc9a260af85 in __libc_start_main (/lib64/libc.so.6+0x20f85) SUMMARY: AddressSanitizer: heap-buffer-overflow /mnt/ram/screen-4.6.2/ansi.c:2656 in MClearArea Shadow bytes around the buggy address: 0x0c167fff8010: 00 00 00 00 00 00 fa fa fa fa fa fa fa fa 00 00 0x0c167fff8020: 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa fa 0x0c167fff8030: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 0x0c167fff8040: 00 fa fa fa fa fa fa fa fa fa 00 00 00 00 00 00 0x0c167fff8050: 00 00 00 00 00 00 02 fa fa fa fa fa fa fa fa fa =>0x0c167fff8060: 00 00 00 00 00 00 00 00 00 00 00 00[02]fa fa fa 0x0c167fff8070: fa fa fa fa fa fa 00 00 00 00 00 00 00 00 00 00 0x0c167fff8080: 00 00 02 fa fa fa fa fa fa fa fa fa 00 00 00 00 0x0c167fff8090: 00 00 00 00 00 00 00 00 02 fa fa fa fa fa fa fa 0x0c167fff80a0: fa fa 00 00 00 00 00 00 00 00 00 00 00 00 02 fa 0x0c167fff80b0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 Shadow 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 ==18775==ABORTING