Failure when the output resolution is very high?

[davidebeatrici]

Input image

waifu2x-ncnn-vulkan -s 32 -i black_1080p.png -o black_1080p.32x.png

#0  __memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:517
#1  0x000000000042f70d in ncnn::VkCompute::submit_and_wait (this=<optimized out>) at src/ncnn/src/command.cpp:2454
#2  0x0000000000429d42 in Waifu2x::process (this=<optimized out>, inimage=..., outimage=...) at src/waifu2x.cpp:510
#3  0x000000000040a54e in proc (args=<optimized out>) at src/main.cpp:367
#4  0x00007fe592cbcd80 in start_thread (arg=0x7fe584fdd640) at pthread_create.c:481
#5  0x00007fe592bd676f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Please note that I updated the ncnn submodule before generating the backtrace: Tencent/ncnn@32560f4

I tried several resolutions:

Crash

• 1280x720
• 1000x563
• 999x562

"encode image failed"

• 975x548

OK

• 950x534
• 900x506