[FS#3346] Ubox invalid memory access (does not build with gcc10) (Attachment added)

[OpenWrt Bugs]

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User who did this - MartB (MartB) 

Attached to Project - OpenWrt/LEDE Project
Summary - Ubox invalid memory access (does not build with gcc10)
Task Type - Build Failure
Category - Packages
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - See: https://git.openwrt.org/?p=project/ubox.git;a=blob;f=kmodloader.c;h=6f06ee3939f2f3e151357d33cfd165603cb40e4d;hb=HEAD#l699

Prints:
In function 'main_insmod',
    inlined from 'main' at /home/openwrt/openwrt-lam/build/archer-c7-v2eu/build_dir/target-mips_24kc_musl/ubox-2019-12-31-0e34af14/kmodloader.c:1062:10:
/home/openwrt/openwrt-lam/build/archer-c7-v2eu/build_dir/target-mips_24kc_musl/ubox-2019-12-31-0e34af14/kmodloader.c:734:13: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
  734 |  options[0] = 0;
      |  ~~~~~~~~~~~^~~
/home/openwrt/openwrt-lam/build/archer-c7-v2eu/build_dir/target-mips_24kc_musl/ubox-2019-12-31-0e34af14/kmodloader.c: In function 'main':
/home/openwrt/openwrt-lam/build/archer-c7-v2eu/build_dir/target-mips_24kc_musl/ubox-2019-12-31-0e34af14/kmodloader.c:727:12: note: at offset 0 to an object with size 0 allocated by 'malloc' here
  727 |  options = malloc(len);
      |            ^~~~~~~~~~~

Fix im using for my builds is attached.

Kind regards
MartB

One or more files have been attached.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3346

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